firmware - v0.1.4

From https://github.com/bblanchon/ArduinoJson/releases/download/v7.2.1/ArduinoJson-v7.2.1.h

.gitmodules

@@ -0,0 +1,24 @@
+[submodule "Arduino/CanGrow/Adafruit-GFX-Library"]
+	path = Arduino/CanGrow/Adafruit-GFX-Library
+	url = https://github.com/adafruit/Adafruit-GFX-Library
+[submodule "Arduino/CanGrow/lib/Adafruit-GFX-Library"]
+	path = Arduino/CanGrow/lib/Adafruit-GFX-Library
+	url = https://github.com/adafruit/Adafruit-GFX-Library
+[submodule "Arduino/CanGrow/lib/Adafruit_SSD1306"]
+	path = Arduino/CanGrow/lib/Adafruit_SSD1306
+	url = https://github.com/adafruit/Adafruit_SSD1306
+[submodule "Arduino/CanGrow/lib/Adafruit_BME280_Library"]
+	path = Arduino/CanGrow/lib/Adafruit_BME280_Library
+	url = https://github.com/adafruit/Adafruit_BME280_Library/
+[submodule "Arduino/CanGrow/lib/NTPClient"]
+	path = Arduino/CanGrow/lib/NTPClient
+	url = https://github.com/arduino-libraries/NTPClient
+[submodule "Arduino/CanGrow/lib/Time"]
+	path = Arduino/CanGrow/lib/Time
+	url = https://github.com/PaulStoffregen/Time
+[submodule "Arduino/CanGrow/lib/Adafruit_SHT31"]
+	path = Arduino/CanGrow/lib/Adafruit_SHT31
+	url = https://github.com/adafruit/Adafruit_SHT31/
+[submodule "Arduino/CanGrow/lib/Adafruit_Sensor"]
+	path = Arduino/CanGrow/lib/Adafruit_Sensor
+	url = https://github.com/adafruit/Adafruit_Sensor

Arduino/CanGrow/CanGrow.ino

@@ -3,12 +3,13 @@
  * 
  */
 
+
 /*
  * Includes
  * 
  */
 
-// Libraries
+// Libraries internal (Arduino Core / ESP)
 // https://github.com/arduino/ArduinoCore-avr/tree/master/libraries/SPI
 #include <SPI.h>
 // https://github.com/arduino/ArduinoCore-avr/tree/master/libraries/Wire
@@ -22,32 +23,40 @@
 #include <ESP8266WebServer.h>
 // OTA update 
 #include <ESP8266HTTPUpdateServer.h>
+
+// Libraries external
 // https://github.com/adafruit/Adafruit-GFX-Library
+//include "lib/Adafruit-GFX-Library/Adafruit_GFX.h"
 #include <Adafruit_GFX.h>
 // https://github.com/adafruit/Adafruit_SSD1306
+//include "lib/Adafruit_SSD1306/Adafruit_SSD1306.h"
 #include <Adafruit_SSD1306.h>
-// https://github.com/adafruit/Adafruit_BME280_Library/
+// https://github.com/adafruit/Adafruit_Sensor
+// include "lib/Adafruit_Sensor/Adafruit_Sensor.h"
 #include <Adafruit_Sensor.h>
+// https://github.com/adafruit/Adafruit_BME280_Library
+//include "lib/Adafruit_BME280_Library/Adafruit_BME280.h"
 #include <Adafruit_BME280.h>
+// https://github.com/adafruit/Adafruit_SHT31/
+//#include "lib/Adafruit_SHT31/Adafruit_SHT31.h"
+#include <Adafruit_SHT31.h>
 // https://github.com/bblanchon/ArduinoJson
-#include <ArduinoJson.h>
+#include "lib/ArduinoJson/ArduinoJson-v7.2.1.h"
 // https://github.com/arduino-libraries/NTPClient
+//#include "lib/NTPClient/NTPClient.h"
 #include <NTPClient.h>
 // https://github.com/PaulStoffregen/Time
+//#include "lib/Time/TimeLib.h"
 #include <TimeLib.h>
+
 // DHT support dropped
 // https://github.com/adafruit/DHT-sensor-library
 // #include "DHT.h"
-// SHT30/31 
-// https://github.com/adafruit/Adafruit_SHT31/
-#include "Adafruit_SHT31.h"
-
-
 
 /*
  * CanGrow header files
  */
-
+#include "CanGrow_Version.h"
 #include "CanGrow_PinAssignments.h"
 #include "CanGrow_Init.h"
 #include "CanGrow_Logo.h"
@@ -57,6 +66,7 @@
 #include "CanGrow_WebFunctions.h"
 
 
+
 /*
  * Setup
  * 
@@ -126,25 +136,39 @@ void setup() {
   // dht.begin(); //TODO: Do only, when configured
   
   // initialise BME280
-  Serial.println(":: initialise BME280 sensor ::");
+  // dirty way of supporting multiple addresses, DRY? :p
+  Serial.println(":: initialise BME280 sensor, address 0x76 ::");
   // ToDo: let the user configure somewhere the ID of the BME280 sensor
-  if(!bme.begin(0x76)) {
+  if(!bme_0x76.begin(0x76)) {
-    Serial.println("!! Cannot find BME280 on I2C bus. Please check connection or ID");
+    Serial.println("!! Cannot find BME280 on I2C bus at address 0x76. Please check connection or ID");
+  }
+  Serial.println(":: initialise BME280 sensor, address 0x77 ::");
+  // ToDo: let the user configure somewhere the ID of the BME280 sensor
+  if(!bme_0x77.begin(0x77)) {
+    Serial.println("!! Cannot find BME280 on I2C bus at address 0x77. Please check connection or ID");
   }
   
   // initialise SHT31
-  Serial.println(":: initialise SHT31 sensor ::");
+  Serial.println(":: initialise SHT31 sensor, address 0x44 ::");
-  if (! sht31.begin(0x44)) {   // Set to 0x45 for alternate i2c addr
+  if (! sht31_0x44.begin(0x44)) {   // Set to 0x45 for alternate i2c addr
-    Serial.println("Couldn't find SHT31");
+    Serial.println("!! Cannot find SHT31 on I2C bus at address 0x45. Please check connection or ID");
+  }
+  Serial.println(":: initialise SHT31 sensor, address 0x45 ::");
+  if (! sht31_0x45.begin(0x45)) {   // Set to 0x45 for alternate i2c addr
+    Serial.println("!! Cannot find SHT31 on I2C bus at address 0x45. Please check connection or ID");
   }
   
-  Serial.print("SHT31 Heater Enabled State: ");
+  Serial.print(":: SHT31 (0x44) heater enable state  ::");
-  if (sht31.isHeaterEnabled())
+  if (sht31_0x44.isHeaterEnabled())
     Serial.println("ENABLED");
   else
     Serial.println("DISABLED");
   
-  
+  Serial.print(":: SHT31 (0x45) heater enable state  ::");
+  if (sht31_0x45.isHeaterEnabled())
+    Serial.println("ENABLED");
+  else
+    Serial.println("DISABLED");
   
   
   
@@ -218,12 +242,9 @@ void setup() {
   // we do this here because otherwise on inverted
   // boards like CanGrow PCB v0.6 it would be turned on
   if(configured == true) {
-    pinMode(PinLED, OUTPUT);
+    initOutputs();
-    pinMode(PinPUMP, OUTPUT);
-    pinMode(PinFAN, OUTPUT);
-    // set PWM frequency
-    analogWriteFreq(PWMFrequency);
   }
+
 }
 
 
@@ -249,6 +270,9 @@ void loop() {
     // refresh all sensor values
     refreshSensors();
     
+    // calculate VPD - https://www.grower.ch/forum/threads/diy-grow-controller-cangrow-projektvorstellung.163654/page-4#post-4294197
+    valVPD = (((100 - valHumidity) / 100) * (610.7 * (pow(10, (7.5 * valTemperature / (237.3 + valTemperature))))))/1000;
+    
     // calculate acutal DayOfGrow
     DayOfGrow = int(ceil(float((timeClient.getEpochTime() - GrowStart) / 60 / 60 / 24)));
     // decide if we are in Veg or Bloom phase of grow

Arduino/CanGrow/CanGrow_HTML.h

@@ -186,6 +186,24 @@ input[type=text], input[type=date], input[type=number], input[type=password], se
     margin-bottom: 3px;
   }
 }
+/* VPD colors */
+
+.vpd_danger1 {
+  color: #1a6c9c;
+}
+.vpd_earlyveg {
+  color: #22ab9c;
+}
+.vpd_lateveg {
+  color: #9cc55b;
+}
+.vpd_latebloom {
+  color: #9cc55b;
+}
+.vpd_danger2 {
+  color: #1a6c9c;
+}
+
  </style>
 </head>
 <body>
@@ -452,7 +470,7 @@ const char HTMLgauge[] PROGMEM = R"EOF(
 
 <div class='gaugeWrapper'>
   <div class='gauge gauge--liveupdate spacer' id='gaugeTemperature' style='float:left; margin-right: 10px;'>
-      <div class='gaugeLabel'>Temperature</div>
+      <div class='gaugeLabel'>&#x1F321;&#xFE0F; Temperature</div>
       <div class='gauge__container'>
         <div class='gauge__background'></div>
         <div class='gauge__center'></div>
@@ -467,7 +485,7 @@ const char HTMLgauge[] PROGMEM = R"EOF(
   </div>
   
   <div class='gauge gauge--liveupdate spacer' id='gaugeHumidity' style='float:left; margin-right: 10px;'>
-      <div class='gaugeLabel'>Humidity</div>
+      <div class='gaugeLabel'>&#x2601;&#xFE0F; Humidity</div>
       <div class='gauge__container'>
         <div class='gauge__background'></div>
         <div class='gauge__center'></div>
@@ -482,7 +500,7 @@ const char HTMLgauge[] PROGMEM = R"EOF(
   </div>
   
   <div class='gauge gauge--liveupdate' id='gaugeSoilmoisture' style='float:left;'>
-      <div class='gaugeLabel'>Soilmoisture</div>
+      <div class='gaugeLabel'>&#x1FAB4; Soilmoisture</div>
       <div class='gauge__container'>
         <div class='gauge__background'></div>
         <div class='gauge__center'></div>
@@ -527,7 +545,7 @@ const char HTMLsystemSubNav[] PROGMEM = R"EOF(
 </ul>
 )EOF";
 
-const char JSsoilmoistureTypeSelect[] PROGMEM = R"EOF(
+const char JSsoilmoisture[] PROGMEM = R"EOF(
 <script>
   function MoistureSensorType() {
    let selVal = document.getElementById('SelMoistureSensor_Type').value;
@@ -553,5 +571,30 @@ const char JSsoilmoistureTypeSelect[] PROGMEM = R"EOF(
    break;
    }
   }
+  
+  function loadJSON(callback) {
+    var xobj = new XMLHttpRequest();
+    xobj.overrideMimeType("application/json");
+    xobj.open('GET', '/api/sensors', true);
+    xobj.onreadystatechange = function() {
+        if (xobj.readyState == 4 && xobj.status == "200") {
+            callback(xobj.responseText);
+        }
+    }
+    xobj.send(null);
+  }
+  
+  function SoilmoistureRefresh() {
+    loadJSON(function(response) {
+      json = JSON.parse(response);
+      document.getElementById('iSoilmoistureRaw').textContent = json.soilmoistureRaw; 
+      console.log(json.soilmoistureRaw);
+    });
+  }  
 </script>
 )EOF";
+
+const char HTMLsoilmoistureCalibrateText[] PROGMEM = R"EOF(<p class='helpbox'> <b>Calibration</b><br>
+Put your soilmoisture sensor into dry soil and hit Refresh.<br>
+Adjust the value of '<i>Soilmoisture dry</i>' if needed according to the reading.<br>
+Repeat this with wet soil for '<i>Soilmoisture wet</i>'.</p>)EOF";

Arduino/CanGrow/CanGrow_Init.h

@@ -20,12 +20,20 @@ const bool APhidden = false;
 
 // valSoilmoisture - contains the value of getSoilmoisture()
 unsigned short valSoilmoisture;
+// helper variable for pump control with soilmoisture
+// average of last readings
+unsigned short valSoilmoistureAvg = 0;
+unsigned short valSoilmoistureAvg_tmp = 0;
+byte valSoilmoistureAvg_count = 0;
+short valSoilmoistureRaw;
+
 // valTemperature - contains the value of getTemperature()
 float valTemperature;
 // valTemperature - contains the value of getHumidity()
 float valHumidity;
 // valWaterlevel - contains the value of getWaterlevel()
 byte valWaterlevel;
+
 // do we need a restart? (e.g. after wifi settings change)
 bool NeedRestart;
 bool FirstRun;
@@ -34,6 +42,13 @@ byte ScreenToDisplay = 0;
 // how many seconds actual screen got displayed
 byte ScreenIterationPassed = 0;
 
+// VPD value - https://www.grower.ch/forum/threads/diy-grow-controller-cangrow-projektvorstellung.163654/page-4#post-4294197
+float valVPD;
+
+// DayNight - 
+// true Day , false night
+bool DayNight;
+
 bool MaintenanceMode = false;
 unsigned long MaintenanceStarted = 0;
 
@@ -42,12 +57,7 @@ unsigned long MaintenanceStarted = 0;
 byte PumpOnTimePassed = 0;
 bool PumpOnManual = false;
 
-// helper variable for pump control with soilmoisture
+
-// average of last readings
-unsigned short valSoilmoistureAvg = 0;
-unsigned short valSoilmoistureAvg_tmp = 0;
-byte valSoilmoistureAvg_count = 0;
-//unsigned short 
 
 /*
  * millis timer

Arduino/CanGrow/CanGrow_Sensors.h

@@ -12,16 +12,17 @@
  */
 
 #define SEALEVELPRESSURE_HPA (1013.25)
-Adafruit_BME280 bme;
+// dirty way of having multiple addresses configurable
+Adafruit_BME280 bme_0x76;
+Adafruit_BME280 bme_0x77;
 
 /*
  * SHT30/31 Stuff
  * 
  */
  
- bool enableHeater = false;
+Adafruit_SHT31 sht31_0x44 = Adafruit_SHT31();
- Adafruit_SHT31 sht31 = Adafruit_SHT31();
+Adafruit_SHT31 sht31_0x45 = Adafruit_SHT31(); 
- 
  
 /*
  * Chirp functions
@@ -103,9 +104,11 @@ float getTemperature(byte tempSensor) {
   /*
    * tempSensor
    * ==========
-   * 1 : DHT11 temp sensor
+   * 1 : BME280 0x76 temp sensor
-   * 2 : chirp I2C temp sensor
+   * 2 : BME280 0x77 temp sensor
-   * 3 : SHT31
+   * 3 : SHT31 0x44 temp sensor
+   * 4 : SHT31 0x45 temp sensor
+   * 5 : Chirp I2C 0x20 temp sensor
    */
 
   float temperature = 0;
@@ -113,18 +116,23 @@ float getTemperature(byte tempSensor) {
   switch(tempSensor) {
     case 1:
       // read temperature from BME280
-      temperature = bme.readTemperature();
+      temperature = bme_0x76.readTemperature();
-      // read temperature from DHT11
-      // dht support dropped
-      // temperature = dht.readTemperature();
       break;
     case 2:
-      // read temperature from chrip I2C
+      // read temperature from BME280
-      temperature = readI2CRegister16bit(0x20, 5) * 0.10 ;
+      temperature = bme_0x77.readTemperature();
       break;
     case 3:
       // read temp from SHT31
-      temperature = sht31.readTemperature();
+      temperature = sht31_0x44.readTemperature();
+      break;
+    case 4:
+      // read temp from SHT31
+      temperature = sht31_0x45.readTemperature();
+      break;
+    case 5:
+      // read temperature from chrip I2C
+      temperature = readI2CRegister16bit(0x20, 5) * 0.10 ;
       break;
     default:
       // if sensor type is not recognized, return 99
@@ -138,18 +146,26 @@ float getHumidity(byte HumSensor) {
   
   /*
    * sensors:
-   * 1: BME280
+   * 1 : BME280 0x76 humidity sensor
-   * 2: SHT31
+   * 2 : BME280 0x77 humidity sensor
+   * 3 : SHT31 0x44 humidity sensor
+   * 4 : SHT31 0x45 humidity sensor
    * 
    */
   float humidity;
   
   switch(HumSensor) {
     case 1:
-      humidity = bme.readHumidity();
+      humidity = bme_0x76.readHumidity();
       break;
     case 2:
-      humidity = sht31.readHumidity();
+      humidity = bme_0x77.readHumidity();
+      break;
+    case 3:
+      humidity = sht31_0x44.readHumidity();
+      break;
+    case 4:
+      humidity = sht31_0x45.readHumidity();
       break;
     default:
       humidity = 0.0;
@@ -187,7 +203,7 @@ int getSoilmoisture(byte moistureSensor, bool returnRAW = false) {
       
       digitalWrite(PINsoilmoisture, HIGH);
       // wait a bit to let the circuit stabilize
-      delay(50);
+      //delay(50);
       
       // get analog input value
       // get values 10 times and get the middle for more precise data

Arduino/CanGrow/CanGrow_SysFunctions.h

@@ -114,7 +114,7 @@ bool loadEEPROM() {
    * 249 HumiditySensor_Type (1 byte)
    * 250 PWMFrequency (2 byte)
    * 252 DisplayScreenDuration (1 byte)
-   * 253
+   * 253 ...
    * 
    */
    
@@ -551,10 +551,15 @@ void controlLED() {
       setOutput(1, PinLEDPWM);
     }
     
+    // its daytime
+    DayNight = true;
+    
   } else {
     //Serial.println("good night time");
     // turn off
     setOutput(1, 0);
+    // nighttime
+    DayNight = false;
   }
 }
 
@@ -562,6 +567,7 @@ void refreshSensors() {
   byte soilmoistureAvgSampleCount = 5;
   
   valSoilmoisture = getSoilmoisture(MoistureSensor_Type);
+  valSoilmoistureRaw = getSoilmoisture(MoistureSensor_Type, true);
   valHumidity = getHumidity(HumiditySensor_Type);
   valTemperature = getTemperature(TemperatureSensor_Type);
   valWaterlevel = getWaterlevel();
@@ -730,6 +736,7 @@ void controlPUMP() {
         PumpOnManual = false;
         setOutput(3, 0);
         //digitalWrite(PinPUMP, LOW);
+        PumpLastOn = timeClient.getEpochTime();
         EEPROM.put(237, PumpLastOn);
         EEPROM.commit(); //write to EEPROM
         PumpOnTimePassed = 0;
@@ -824,3 +831,13 @@ void controlFAN() {
   setOutput(4, PinFAN2PWM);
 }
 
+void initOutputs() {
+  pinMode(PinLED, OUTPUT);
+  pinMode(PinPUMP, OUTPUT);
+  pinMode(PinFAN, OUTPUT);
+  // set PWM frequency
+  analogWriteFreq(PWMFrequency);
+  for(byte i = 1; i <= 4; i++) {
+    setOutput(i, 0);
+  }
+}  

Arduino/CanGrow/CanGrow_Version.h

@@ -0,0 +1,13 @@
+/*
+ * 
+ * 
+ * Version
+ * 
+ * 
+ */
+
+#define CANGROW_VER "0.1.4"
+// CANGROW_BUILD default dummy value if not set as Compiler Flag
+#ifndef CANGROW_BUILD
+  #define CANGROW_BUILD "1a2b3c4-0000000000000"
+#endif

Arduino/CanGrow/CanGrow_WebFunctions.h

@@ -78,7 +78,7 @@ String returnHTMLheader(String MenuEntry = "") {
   // status icons and info
   if(MaintenanceMode == true) {
     // status icons
-    header += " | ⏸️ ";
+    header += " | ⛅ ";
     header += MaintenanceDuration - ((millis() - MaintenanceStarted) / 1000);
     header += "s";
   }
@@ -210,33 +210,53 @@ void Syslogout() {
 void SysMaintenance() {
   String body = returnHTMLheader();
   
-  if( (webserver.hasArg("DimmOn")) ) {
+  // when requesting to handle Dimming 
-    MaintenanceMode = true;
+  if( (webserver.hasArg("DimmOn")) || (webserver.hasArg("DimmOff")) ) {
-    MaintenanceStarted = millis();
+    // check first if PWM is disabled / relais is used
-    body += "<div class='infomsg'>&#9208;&#65039; Dimm LED On for ";
+    if(UseLEDrelais == false) {
-    body += MaintenanceDuration;
+      // if not, do it
-    body += "s</div>";
+      if( (webserver.hasArg("DimmOn")) ) {
-  } else if (webserver.hasArg("DimmOff")){
+        MaintenanceMode = true;
-    MaintenanceMode = false;
+        MaintenanceStarted = millis();
-    body += "<div class='infomsg'>&#9208;&#65039; Dimm LED Off</div>";
+        body += "<div class='infomsg'>&#x26C5; Dimm LED ON for ";
+        body += MaintenanceDuration;
+        body += "s</div>";
+      } else if( (webserver.hasArg("DimmOff")) ) {
+        MaintenanceMode = false;
+        body += "<div class='infomsg'>&#x23F9;&#xFE0F; Dimm LED OFF</div>";
+      }
+    } else {
+      // otherwise nice error
+      body += "<div class='warnmsg'>&#x26C5; Cannot dimm LED, <i>Use relais for LED (disable PWM)</i> is set to <i>Yes</i> in &#128262; Grow settings</div>";
+      
+    }
   } else if(webserver.hasArg("PumpOnManual")) {
-    PumpOnManual = true;
+    if(UsePump > 0) {
-    body += "<div class='infomsg'>&#x1F4A7; Pump manual activated for ";
+      PumpOnManual = true;
-    body += PumpOnTime;
+      body += "<div class='infomsg'>&#x1F4A7; Pump manual activated for ";
-    body += "s</div>";
+      body += PumpOnTime;
+      body += "s</div>";
+    } else {
+      body += "<div class='warnmsg'>&#x1F4A7; Cannot activate, <i>Pump mode</i> is set to <i>Off</i> in &#128262; Grow settings</div>";
+    }
+  } else if(webserver.hasArg("PumpOffManual")) {
+    // stooop
+    setOutput(3, 0);
+    PumpOnManual = false;
+    PumpOnTimePassed = 0;
+    body += "<div class='infomsg'>&#x1F4A7; Pump manual stopped</div>";
   }
 
   
   body += "<h2>&#x1f9f0; Maintenance</h2>";
   
-  body += "Dimm LED <a class='button' href='/system/maintenance?DimmOn=1'>On</a>&nbsp;&nbsp;<a class='button' href='/system/maintenance?DimmOff=1'>Off</a><br><br><br>";
+  body += "Dimm LED <a class='button' href='/system/maintenance?DimmOn=1'>&#x26C5; On</a>&nbsp;&nbsp;<a class='button' href='/system/maintenance?DimmOff=1'>&#x23F9;&#xFE0F; Off</a><br><br><br>";
-  body += "Pump manual <a class='button' href='/system/maintenance?PumpOnManual=1'>Activate for ";
+  body += "Pump manual <a class='button' href='/system/maintenance?PumpOnManual=1'>&#x1F4A7; Activate for ";
   body += PumpOnTime;
-  body += "s</a><br>";
+  body += "s</a>&nbsp;&nbsp;";
-  
+  body += "<a class='button' href='/system/maintenance?PumpOffManual=1'>&#x1F6D1; Stop manual</a><br>";
-  
-  
   
+    
   body += FPSTR(HTMLfooter);
   webserver.send(200, "text/html", body);
 }
@@ -359,25 +379,68 @@ void WEBroot() {
       body += "'></a>\n<br>\n";
     }
     
-    body += "<b>Grow started:</b> ";
+    body += "<b>Grow started: &#x1F5D3;&#xFE0F;</b> ";
     body += returnStrDateFromEpoch(GrowStart);
     body += "<br>\n";
-    body += "<b>Day of Grow:</b> ";
+    body += "<b>Harvest date (est.): &#x1F342; </b> ";
+    body += returnStrDateFromEpoch(GrowStart + (60 * 60 * 24 * (DaysVeg + DaysBloom) ) );
+    body += "<br>\n";
+    body += "<b>Day of Grow: </b> ";
+    if(DayNight == true) {
+      body += " &#x1F31E; ";
+    } else {
+      body += " &#x1F31A; ";
+    }
     body += DayOfGrow;
     body += "<br>\n";
     body += "<b>Grow status:</b> ";
     switch(growState()) {
       case 1:
-        body += "&#x1F331; vegetation<br>\n";
+        body += "&#x1F331; Vegetation<br>\n";
       break;  
       case 2:
-        body += "&#x1F33C; bloom<br>\n";
+        body += "&#x1F33C; Bloom (";
+        body += DayOfGrow - DaysVeg;
+        body += ")<br>\n";
       break;
       case 3: 
-        body += "&#x1F342; harvest\n";
+        body += "&#x1F342; Harvest (";
+        body += DayOfGrow - (DaysVeg + DaysBloom);
+        body += ")<br>\n";
       break;
     }
-      
+    
+    // VPD
+    body += "<b>VPD (est.): ";
+    // apply text color to the value according to this chart
+    if(valVPD < 0) {
+      body += "&#x26A0;&#xFE0F; <span class=''>";
+      body += valVPD;
+      body += "</span></b> (Danger! Check for disease!)";
+    } else if(valVPD < 0.4 ) {
+      body += "&#x26A0;&#xFE0F; <span class='vpd_danger1'>";
+      body += valVPD;
+      body += "</span></b> (Danger! Under transpiration!)";
+    } else if(valVPD < 0.8 ) {
+      body += "&#x1F343; <span class='vpd_earlyveg'>";
+      body += valVPD;
+      body += "</span></b> (Early vegetation)";
+    } else if(valVPD < 1.2 ) {
+      body += "&#x1F343; <span class='vpd_lateveg'>";
+      body += valVPD;
+      body += "</span></b> (Late vegetation)";
+    } else if(valVPD < 1.6 ) {
+      body += "&#x1F343; <span class='vpd_latebloom'>";
+      body += valVPD;
+      body += "</span></b> (Late bloom)";
+    } else if(valVPD > 1.6 ) {
+      body += "&#x26A0;&#xFE0F; <span class='vpd_danger2'>";
+      body += valVPD;
+      body += "</span></b> (Danger - over transpiration!)";
+    }
+    body += "<br>\n";
+    
+    
     if(UsePump > 0) {
       body += "<b>Pump water level:</b> ";
       switch(getWaterlevel()) {
@@ -397,7 +460,8 @@ void WEBroot() {
     body += "<b>Growlight brightness:</b> ";
     body += ((PinLEDPWM * 100) / 255);
     body += " %<br>\n";
-    body += "<br>\n";
+
+    
     //~ body += "<form method='post' action='/switch'>\n";
     //~ body += "<b>MOSFET:</b> <select id='output' name='output' >\n";
     //~ body += "<option disabled value='' selected hidden>---</option>\n";
@@ -416,7 +480,7 @@ void WEBroot() {
     
     //~ body += "<input type='submit' value='Save'>\n";
     //~ body += "</form><br>\n";
-    body += "<a class='button' href='/system/maintenance'>&#x1f9f0; Maintenance</a>";
+    body += "<br><a class='button' href='/system/maintenance'>&#x1f9f0; Maintenance</a>";
     
     
     body += FPSTR(HTMLfooter);
@@ -467,32 +531,35 @@ void WEBgrowSettings() {
     body+= "' required><br>\n";
     
     
-    // the input field, which calls javascript convertDateToEpoch() to write data to transmit to id GrowStart
-    body += "Grow start date: <input type='date' id='GrowStart_sel' onChange='convertDateToEpoch(\"GrowStart_sel\", \"GrowStart\");' value='";
-    body += returnStrDateFromEpoch(GrowStart);
-    body += "' required><br>\n";
-    
     body += "<input type='hidden' id='GrowStart' name='GrowStart' value='";
     body += GrowStart;
     body+= "' required>\n";
     
+    // the input field, which calls javascript convertDateToEpoch() to write data to transmit to id GrowStart
+    body += "Grow start date: <input type='date' id='GrowStart_sel' onChange='convertDateToEpoch(\"GrowStart_sel\", \"GrowStart\");' value='";
+    body += returnStrDateFromEpoch(GrowStart);
+    body += "' required><br><br>\n";
     
     
+    
+    body += "<b>Grow duration</b><br>";
     body += "Vegetation duration: <input class='inputShort' type='number' name='DaysVeg' min='0' max='255' value='";
     body += DaysVeg;
-    body+= "' required>days<br>\n";
+    body+= "' required> Days<br>\n";
     
     body += "Bloom duration: <input class='inputShort' type='number' name='DaysBloom' min='0' max='255' value='";
     body += DaysBloom;
-    body+= "' required> days<br>\n";
+    body+= "' required> Days<br><br>\n";
     
-    body += "Time LED ON vegetation: <input class='inputShort' type='number' name='LighthoursVeg' min='0' max='255' value='";
+    
+    body += "<b>Light configuration</b><br>";
+    body += "LED ON vegetation: <input class='inputShort' type='number' name='LighthoursVeg' min='0' max='255' value='";
     body += LighthoursVeg;
-    body+= "' required> hours<br>\n";
+    body+= "' required> Hours<br>\n";
     
-    body += "Time LED ON bloom: <input class='inputShort' type='number' name='LighthoursBloom' min='0' max='255' value='";
+    body += "LED ON bloom: <input class='inputShort' type='number' name='LighthoursBloom' min='0' max='255' value='";
     body += LighthoursBloom;
-    body+= "' required> hours<br>\n";
+    body+= "' required> Hours<br>\n";
     
     body += "Sunrise: <input class='inputShort' type='number' name='SunriseHour' min='0' max='23' value='";
     body += SunriseHour;
@@ -521,7 +588,9 @@ void WEBgrowSettings() {
       body += "<option value='0'" + returnStrSelected(PinLEDPWM, 0) + ">Off</option>\n";
       body += "</select><br>\n";
     }
+    body += "<br>";
     
+    body += "<b>Fan configuration</b><br>";
     if(UseFANrelais == false) {
       body += "FAN1 speed: <input type='range' id='PinFANPWM' name='PinFANPWM' min='0' max='255' value='";
       body += PinFANPWM;
@@ -535,20 +604,42 @@ void WEBgrowSettings() {
     
     body += "FAN2 speed: <input type='range' id='PinFAN2PWM' name='PinFAN2PWM' min='0' max='255' value='";
     body += PinFAN2PWM;
-    body += "'/> %<br>\n";
+    body += "'/> %<br><br>\n";
     
+
+    body += "<b>Pump configuration</b><br>";
+
+    // PumpMode byte
+    body += "Pump mode: <select id='UsePump' name='UsePump' required>\n";
+    if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
+    body += "<option value='0'" + returnStrSelected(UsePump, 0) + ">Off</option>\n";
+    body += "<option value='1'" + returnStrSelected(UsePump, 1) + ">1</option>\n";
+    body += "<option value='2'" + returnStrSelected(UsePump, 2) + ">2</option>\n";
+    body += "<option value='3'" + returnStrSelected(UsePump, 3) + ">3</option>\n";
+    body += "</select><br><p class='helpbox'><b>1:</b> Water every few days.<br> \
+<b>2:</b> Water if the soil moisture falls below <i>Soilmoisture low</i> value<br> \
+<b>3:</b> Water every few days if the soil moisture falls below <i>Soilmoisture low</i> value.</p>\n";
+
+    // TODO ugly. can this done be better? 
+    // PumpOnTime int
+    body += "Pump ON time: <input class='inputShort' type='number' name='PumpOnTime' min='0' max='255' value='";
+    body += PumpOnTime;
+    body += "' required> Seconds<br>\n";
+
+    // SoilmoistureLow byte
+    body += "Soilmoisture low: <input class='inputShort' type='number' name='SoilmoistureLow' min='0' value='";
+    body += SoilmoistureLow;
+    body += "' required> %<br>\n";
+
+
     
     body += "Pump interval vegetation: every <input class='inputShort' type='number' name='PumpIntervalVeg' min='0' max='255' value='";
     body += PumpIntervalVeg;
-    body += "' required ";
+    body += "' required> Days<br>\n";
-    if( (UsePump != 1) && UsePump != 3) { body += "readonly"; }
-    body += "> days<br>\n";
     
     body += "Pump interval bloom: every <input class='inputShort' type='number' name='PumpIntervalBloom' min='0' max='255' value='";
     body += PumpIntervalBloom;
-    body += "' required ";
+    body += "' required> Days<br><br>\n";
-    if((UsePump != 1) && (UsePump != 3)) { body += "readonly"; }
-    body += "> days<br>\n";
   
     
     body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
@@ -585,93 +676,66 @@ void WEBsystemSettings() {
     
     // form starts
     body += "<form method='post' action='/systemSettings/save'>\n";
-    
+        
-    // UseFan bool
+    body += "<b>Output configuration</b><br>";
-    //~ body += "Fan mode: <select id='UseFan' name='UseFan' required>\n";
-    //~ if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
-    //~ body += "<option value='1'" + returnStrSelected(UseFan, 0) + ">Off</option>\n";
-    //~ body += "<option value='1'" + returnStrSelected(UseFan, 1) + ">Use</option>\n";
-    //~ body += "<option value='0'" + returnStrSelected(UseFan, 2) + ">Do not use</option>\n";
-    //~ body += "</select><br>\n";
-
-/*  
-    // UsePump bool
-    body += "Use PUMP: <select id='UsePump' name='UsePump' required>\n";
-    if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
-    body += "<option value='1'" + returnStrSelected(UsePump, 1) + ">Yes</option>\n";
-    body += "<option value='0'" + returnStrSelected(UsePump, 0) + ">No</option>\n";
-    body += "</select><br>\n";
-*/
-
     // OutputInvert bool
     body += "Invert Outputs: <select id='OutputInvert' name='OutputInvert' required>\n";
     if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
-    body += "<option value='1'" + returnStrSelected(OutputInvert, 1) + ">Yes</option>\n";
     body += "<option value='0'" + returnStrSelected(OutputInvert, 0) + ">No</option>\n";
+    body += "<option value='1'" + returnStrSelected(OutputInvert, 1) + ">Yes</option>\n";
     body += "</select><br>\n";
+    body += "<p class='helpbox'>When using CanGrow PCB v0.6, set to <b>Yes</b></p>\n";
 
-    // PumpMode byte
-    body += "Pump mode: <select id='UsePump' name='UsePump' required>\n";
-    if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
-    body += "<option value='0'" + returnStrSelected(UsePump, 0) + ">Off</option>\n";
-    body += "<option value='1'" + returnStrSelected(UsePump, 1) + ">1</option>\n";
-    body += "<option value='2'" + returnStrSelected(UsePump, 2) + ">2</option>\n";
-    body += "<option value='3'" + returnStrSelected(UsePump, 3) + ">3</option>\n";
-    body += "</select><br><p class='helpbox'><b>1:</b> Water every few days.<br> \
-<b>2:</b> Water if the soil moisture falls below <i>Soilmoisture low</i> value<br> \
-<b>3:</b> Water every few days if the soil moisture falls below <i>Soilmoisture low</i> value.</p>\n";
-    
     // UseLEDrelais bool
     body += "Use relais for LED (disable PWM): <select id='UseLEDrelais' name='UseLEDrelais' required>\n";
     if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
-    body += "<option value='1'" + returnStrSelected(UseLEDrelais, 1) + ">Yes</option>\n";
     body += "<option value='0'" + returnStrSelected(UseLEDrelais, 0) + ">No</option>\n";
+    body += "<option value='1'" + returnStrSelected(UseLEDrelais, 1) + ">Yes</option>\n";
     body += "</select><br>\n";
 
     // UseFANrelais bool
-    body += "Use relais for FAN (disable PWM): <select id='UseFANrelais' name='UseFANrelais' required>\n";
+    body += "Use relais for FAN1 (disable PWM): <select id='UseFANrelais' name='UseFANrelais' required>\n";
     if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
-    body += "<option value='1'" + returnStrSelected(UseFANrelais, 1) + ">Yes</option>\n";
     body += "<option value='0'" + returnStrSelected(UseFANrelais, 0) + ">No</option>\n";
-    body += "</select><br>\n";
+    body += "<option value='1'" + returnStrSelected(UseFANrelais, 1) + ">Yes</option>\n";
-    
+    body += "</select><br><br>\n";
-    // TODO ugly. can this done be better? 
+
-    // PumpOnTime int
+
-    body += "Pump ON time: <input class='inputShort' type='number' name='PumpOnTime' min='0' max='255' value='";
+    body += "<b>Sensor configuration</b><br>";
-    body += PumpOnTime;
+
-    body += "' required> Seconds<br>\n";
-  
     // MoistureSensor_Type byte
     body += "Soilmoisture sensor: <select id='SelMoistureSensor_Type' name='MoistureSensor_Type' onchange='MoistureSensorType();' required>\n";
     if(configured == false) {
       body += "<option disabled value='' selected hidden>---</option>\n";
       }
     body += "<option value='1'" + returnStrSelected(MoistureSensor_Type, 1) + ">Analog capacitive</option>\n";
-    body += "<option value='2'" + returnStrSelected(MoistureSensor_Type, 2) + ">I2C Chirp</option>\n";
+    body += "<option value='2'" + returnStrSelected(MoistureSensor_Type, 2) + ">I2C Chirp (0x20)</option>\n";
     body += "</select><br>\n";
   
-    // SoilmoistureLow byte
-    body += "Soilmoisture low: <input class='inputShort' type='number' name='SoilmoistureLow' min='0' value='";
-    body += SoilmoistureLow;
-    body += "' required> %<br>\n";
-    
-    // SoilmoistureWet byte
-    body += "Soilmoisture wet: <input type='number' id='iSoilmoistureWet' name='SoilmoistureWet' min='0' value='";
-    body += SoilmoistureWet;
-    body += "' required>\n";
-    body += "<p class='helpbox'><b>Analog capacitive:</b> <i>160</i><br> \
-<b>I2C Chirp:</b> <i>485</i></p>";
-
     // SoilmoistureDry byte
     body += "Soilmoisture dry: <input type='number' id='iSoilmoistureDry' name='SoilmoistureDry' min='0' value='";
     body += SoilmoistureDry;
-    body += "' required>\n";
+    body += "' required><br>\n";
-    body += "<p class='helpbox'><b>Analog capacitive:</b> <i>360</i><br> \
-<b>I2C Chirp:</b> <i>250</i></p>";
 
+    // SoilmoistureWet byte
+    body += "Soilmoisture wet: <input type='number' id='iSoilmoistureWet' name='SoilmoistureWet' min='0' value='";
+    body += SoilmoistureWet;
+    body += "' required><br>\n";
+    
+    if(configured == true) {
+      // refresh valSoilmoistureRaw to ensure we have fresh data
+      refreshSensors();
+      body += "Soilmoisture raw reading: <i><span id='iSoilmoistureRaw'>";
+      body += valSoilmoistureRaw;
+      body += "</span></i> <input type='button' class='button' value='&#x1F503; Refresh' style='padding: 3px;' onclick='SoilmoistureRefresh();'><br>\n";
+      body += FPSTR(HTMLsoilmoistureCalibrateText);    
+    } else {
+      body += "<p class='helpbox'> <b>Calibration</b><br> \
+      You have to save settings first before you can calibrate the soilmoisture sensor.<p>";
+    }
     
     // MoistureSensor_Type Javascript
-    body += FPSTR(JSsoilmoistureTypeSelect);
+    body += FPSTR(JSsoilmoisture);
 
     
     // TemperatureSensor_Type byte
@@ -679,9 +743,11 @@ void WEBsystemSettings() {
     if(configured == false) {
       body += "<option disabled value='' selected hidden>---</option>\n";
       }
-    body += "<option value='1'" + returnStrSelected(TemperatureSensor_Type, 1) + ">I2C BME280</option>\n";
+    body += "<option value='1'" + returnStrSelected(TemperatureSensor_Type, 1) + ">I2C BME280 (0x76)</option>\n";
-    body += "<option value='2'" + returnStrSelected(TemperatureSensor_Type, 2) + ">I2C Chirp</option>\n";
+    body += "<option value='2'" + returnStrSelected(TemperatureSensor_Type, 2) + ">I2C BME280 (0x77)</option>\n";
-    body += "<option value='3'" + returnStrSelected(TemperatureSensor_Type, 3) + ">I2C SHT31</option>\n";
+    body += "<option value='3'" + returnStrSelected(TemperatureSensor_Type, 3) + ">I2C SHT31 (0x44)</option>\n";
+    body += "<option value='4'" + returnStrSelected(TemperatureSensor_Type, 4) + ">I2C SHT31 (0x45)</option>\n";
+    body += "<option value='5'" + returnStrSelected(TemperatureSensor_Type, 5) + ">I2C Chirp (0x20)</option>\n";
     body += "</select><br>\n";
     
     // HumiditySensor_Type byte
@@ -689,12 +755,18 @@ void WEBsystemSettings() {
     if(configured == false) {
       body += "<option disabled value='' selected hidden>---</option>\n";
       }
-    body += "<option value='1'" + returnStrSelected(HumiditySensor_Type, 1) + ">I2C BME280</option>\n";
+    body += "<option value='1'" + returnStrSelected(HumiditySensor_Type, 1) + ">I2C BME280 (0x76)</option>\n";
-    body += "<option value='2'" + returnStrSelected(HumiditySensor_Type, 2) + ">I2C SHT31</option>\n";
+    body += "<option value='2'" + returnStrSelected(HumiditySensor_Type, 2) + ">I2C BME280 (0x77)</option>\n";
-    body += "</select><br>\n";
+    body += "<option value='3'" + returnStrSelected(HumiditySensor_Type, 3) + ">I2C SHT31 (0x44)</option>\n";
+    body += "<option value='4'" + returnStrSelected(HumiditySensor_Type, 4) + ">I2C SHT31 (0x45)</option>\n";
+    body += "</select><br><br>\n";
+    
+
+
+    body += "<b>General configuration</b><br>";
     
     // NtpOffset int
-    body += "NTP offset: <input class='inputShort' type='number' name='NtpOffset' min='-12' max='14' value='";
+    body += "NTP offset/UTC timezone: <input class='inputShort' type='number' name='NtpOffset' min='-12' max='14' value='";
     body += NtpOffset;
     body+= "' required> Hours<br>\n";
     
@@ -710,12 +782,12 @@ void WEBsystemSettings() {
     // DisplayScreenDuration byte
     body += "Display rotation interval: <input class='inputShort' type='number' name='DisplayScreenDuration' min='0' max='255' value='";
     body += DisplayScreenDuration;
-    body += "' required> s<br>\n";
+    body += "' required> Seconds<br>\n";
     body += "<p class='helpbox'><b>0</b> will always show sensor value screen</p>";
     
     body += "ESP32-Cam IP (optional): <input type='text' name='Esp32CamIP' maxlength='16' value='";
     body += Esp32CamIP;
-    body += "' ><br>\n";
+    body += "' ><br><br>\n";
     
     
     body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
@@ -784,7 +856,7 @@ void WEBwifiSettings() {
   body += "IP: <input type='text' name='WIFIip'><br>\n";
   body += "Subnet mask: <input type='text' name='WIFInetmask'><br>\n";
   body += "Gateway: <input type='text' name='WIFIgateway'><br>\n";
-  body += "DNS: <input type='text' name='WIFIdns'><br>\n";
+  body += "DNS: <input type='text' name='WIFIdns'><br><br>\n";
   body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
   body += "</form>\n";
   body += FPSTR(HTMLfooter);
@@ -824,6 +896,11 @@ void POSTgrowSettings() {
   SunriseMinute = webserver.arg("SunriseMinute").toInt();
   SunFade = webserver.arg("SunFade").toInt();
   SunFadeDuration = webserver.arg("SunFadeDuration").toInt();
+  
+  UsePump = webserver.arg("UsePump").toInt();
+  PumpOnTime = webserver.arg("PumpOnTime").toInt();
+  SoilmoistureLow = webserver.arg("SoilmoistureLow").toInt();
+  
   PumpIntervalVeg = webserver.arg("PumpIntervalVeg").toInt();
   PumpIntervalBloom = webserver.arg("PumpIntervalBloom").toInt();
   
@@ -851,6 +928,15 @@ void POSTgrowSettings() {
   EEPROM.put(248, PinFAN2PWM);
   EEPROM.put(217, SunFade);
   EEPROM.put(218, SunFadeDuration);
+  
+  // size is 1 byte
+  EEPROM.put(163, UsePump);
+  // size is 1 byte
+  EEPROM.put(164, PumpOnTime);
+  // size is 1 byte
+  EEPROM.put(166, SoilmoistureLow);
+  
+  
   // size is 1 byte
   EEPROM.put(241, PumpIntervalVeg);
   // size is 1 byte
@@ -887,6 +973,20 @@ void POSTgrowSettings() {
   Serial.println(PinFANPWM);
   Serial.print("PinFAN2PWM: ");
   Serial.println(PinFAN2PWM);
+
+  Serial.print("UsePump: ");
+  Serial.println(UsePump);
+  Serial.print("PumpOnTime: ");
+  Serial.println(PumpOnTime);
+  Serial.print("SoilmoistureLow: ");
+  Serial.println(SoilmoistureLow);
+
+  Serial.print("PumpIntervalVeg: ");
+  Serial.println(PumpIntervalVeg);
+  Serial.print("PumpIntervalBloom: ");
+  Serial.println(PumpIntervalBloom);
+    
+
   
   webserver.sendHeader("Location", String("/growSettings?success"), true);
   webserver.send(302, "text/plain", "growSettings/save: success!\n");  
@@ -901,9 +1001,8 @@ void POSTsystemSettings() {
   
   NtpOffset = webserver.arg("NtpOffset").toInt();
   MoistureSensor_Type = webserver.arg("MoistureSensor_Type").toInt();
-  SoilmoistureLow = webserver.arg("SoilmoistureLow").toInt();
+
-  UsePump = webserver.arg("UsePump").toInt();
+
-  PumpOnTime = webserver.arg("PumpOnTime").toInt();
   UseFan = webserver.arg("UseFan").toInt();
   UseLEDrelais = webserver.arg("UseLEDrelais").toInt();
   UseFANrelais = webserver.arg("UseFANrelais").toInt();
@@ -921,23 +1020,17 @@ void POSTsystemSettings() {
   // when configured is false, set it to true and ensure outputs are set
   if(configured == false) {
     configured = true;
-    pinMode(PinLED, OUTPUT);
+    initOutputs();
-    pinMode(PinPUMP, OUTPUT);
-    pinMode(PinFAN, OUTPUT);
   }
   
   // size is 1 byte
   EEPROM.put(161, configured);
   // size is 1 byte
   EEPROM.put(162, UseFan);
-  // size is 1 byte
+
-  EEPROM.put(163, UsePump);
-  // size is 1 byte
-  EEPROM.put(164, PumpOnTime);
   // size is 1 byte
   EEPROM.put(165, MoistureSensor_Type);
-  // size is 1 byte
+
-  EEPROM.put(166, SoilmoistureLow);
   // size is 2 byte
   EEPROM.put(167, NtpOffset);
   // size is 1 byte
@@ -991,14 +1084,10 @@ void POSTsystemSettings() {
   Serial.println(configured);
   Serial.print("UseFan: ");
   Serial.println(UseFan);
-  Serial.print("UsePump: ");
+
-  Serial.println(UsePump);
-  Serial.print("PumpOnTime: ");
-  Serial.println(PumpOnTime);
   Serial.print("MoistureSensor_Type: ");
   Serial.println(MoistureSensor_Type);
-  Serial.print("SoilmoistureLow: ");
+
-  Serial.println(SoilmoistureLow);
   Serial.print("NtpOffset: ");
   Serial.println(NtpOffset);
   Serial.print("UseLEDrelais: ");
@@ -1146,9 +1235,11 @@ void APIgetSensors() {
     
   jsonSensors["soilmoisture"] = valSoilmoisture;
   jsonSensors["soilmoistureAvg"] = valSoilmoistureAvg;
+  jsonSensors["soilmoistureRaw"] = valSoilmoistureRaw;
   jsonSensors["temperature"] = valTemperature;
   jsonSensors["humidity"] = valHumidity;
   jsonSensors["waterlevel"] = valWaterlevel;
+  jsonSensors["vpd"] = valVPD;
   
   String body;
   serializeJsonPretty(jsonSensors, body);
@@ -1164,9 +1255,21 @@ void APIgetDebug() {
   JsonObject objRuntime = jsonDebug["runtime"].add<JsonObject>();
   objRuntime["PumpOnTimePassed"] = PumpOnTimePassed;
   objRuntime["PumpOnManual"] = PumpOnManual;
+  objRuntime["valTemperature"] = valTemperature;
+  objRuntime["valHumidity"] = valHumidity;
+  objRuntime["valSoilmoisture"] = valSoilmoisture;
+  objRuntime["valSoilmoistureRaw"] = valSoilmoistureRaw;
   objRuntime["valSoilmoistureAvg"] = valSoilmoistureAvg;
   objRuntime["valSoilmoistureAvg_tmp"] = valSoilmoistureAvg_tmp;
   objRuntime["valSoilmoistureAvg_count"] = valSoilmoistureAvg_count;
+  objRuntime["NeedRestart"] = NeedRestart;
+  objRuntime["FirstRun"] = FirstRun;
+  objRuntime["ScreenToDisplay"] = ScreenToDisplay;
+  objRuntime["ScreenIterationPassed"] = ScreenIterationPassed;
+  objRuntime["DayNight"] = DayNight;
+  objRuntime["MaintenanceMode"] = MaintenanceMode;
+  objRuntime["MaintenanceStarted"] = MaintenanceStarted;
+  
   
   // WiFi
   JsonObject objWiFi = jsonDebug["wifi"].add<JsonObject>();
@@ -1191,7 +1294,14 @@ void APIgetDebug() {
   objSystem["MaintenanceDuration"] = MaintenanceDuration;
   objSystem["PumpOnTime"] = PumpOnTime;
   objSystem["PumpLastOn"] = PumpLastOn;
-  
+  objSystem["OutputInvert"] = OutputInvert;
+  objSystem["SoilmoistureWet"] = SoilmoistureWet;
+  objSystem["SoilmoistureDry"] = SoilmoistureDry;
+  objSystem["HumiditySensor_Type"] = HumiditySensor_Type;
+  objSystem["PWMFrequency"] = PWMFrequency;
+  objSystem["DisplayScreenDuration"] = DisplayScreenDuration;
+  objSystem["Esp32CamIP"] = Esp32CamIP;
+   
   // Grow
   JsonObject objGrow = jsonDebug["grow"].add<JsonObject>();
   objGrow["GrowName"] = GrowName;
@@ -1207,25 +1317,42 @@ void APIgetDebug() {
   objGrow["SunFadeDuration"] = SunFadeDuration;
   objGrow["PinLEDPWM"] = PinLEDPWM;
   objGrow["PinFANPWM"] = PinFANPWM;
+  objGrow["PinFAN2PWM"] = PinFAN2PWM;
   objGrow["DayOfGrow"] = DayOfGrow;
   objGrow["PumpIntervalVeg"] = PumpIntervalVeg;
   objGrow["PumpIntervalBloom"] = PumpIntervalBloom;
   
   
+  
+  
   // Sensors
   JsonObject objSensors = jsonDebug["sensors"].add<JsonObject>();
   
   // Chirp
-  objSensors["chirp"]["temperature"] = getTemperature(2);
+  objSensors["chirp"]["temperature"] = getTemperature(5);
   objSensors["chirp"]["soilmoisture"] = getSoilmoisture(2);
   objSensors["chirp"]["soilmoistureRAW"] = getSoilmoisture(2, true);
   objSensors["chirp"]["light"] = getLightchirp();
   
-  // BME280
+  // BME280 0x76
-  objSensors["bme280"]["temperature"] = getTemperature(1);
+  objSensors["bme280_0x76"]["temperature"] = getTemperature(1);
-  objSensors["bme280"]["humidity"] = getHumidity(1);
+  objSensors["bme280_0x76"]["humidity"] = getHumidity(1);
-  objSensors["bme280"]["preassure"] = bme.readPressure() / 100.0F;
+  //objSensors["bme280_0x76"]["preassure"] = bme.readPressure() / 100.0F;
-  objSensors["bme280"]["appAltitude"] = bme.readAltitude(SEALEVELPRESSURE_HPA);
+  //objSensors["bme280_0x76"]["appAltitude"] = bme.readAltitude(SEALEVELPRESSURE_HPA);
+  
+  // BME280 0x77
+  objSensors["bme280_0x77"]["temperature"] = getTemperature(2);
+  objSensors["bme280_0x77"]["humidity"] = getHumidity(2);
+  //objSensors["bme280_0x77"]["preassure"] = bme.readPressure() / 100.0F;
+  //objSensors["bme280_0x77"]["appAltitude"] = bme.readAltitude(SEALEVELPRESSURE_HPA);
+  
+  // SHT31 0x44
+  objSensors["sht31_0x44"]["temperature"] = getTemperature(3);
+  objSensors["sht31_0x44"]["humidity"] = getHumidity(3);
+  
+  // SHT31 0x45
+  objSensors["sht31_0x45"]["temperature"] = getTemperature(4);
+  objSensors["sht31_0x45"]["humidity"] = getHumidity(4);
   
   // Analog
   objSensors["analog"]["soilmoisture"] = getSoilmoisture(1);

Arduino/CanGrow/lib/Adafruit-GFX-Library

@@ -0,0 +1 @@
+Subproject commit d4720987895bc49bdb38beb9d3e288de8bd59078

Arduino/CanGrow/lib/Adafruit_BME280_Library

@@ -0,0 +1 @@
+Subproject commit 9412f3d1a2e334a3415d79df706dad02925488aa

Arduino/CanGrow/lib/Adafruit_SHT31

@@ -0,0 +1 @@
+Subproject commit 5e34a20df62371150f7cb10330919e9393b884b1

Arduino/CanGrow/lib/Adafruit_SSD1306

@@ -0,0 +1 @@
+Subproject commit 78d6a130b2045a8b7b76616da81603796757ed47

Arduino/CanGrow/lib/Adafruit_Sensor

@@ -0,0 +1 @@
+Subproject commit 7b2473b6b24ae340f41685b5f5b2b90ad896db04

Arduino/CanGrow/lib/NTPClient

@@ -0,0 +1 @@
+Subproject commit 61684d4516839b579b81105be3447499c1417908

Arduino/CanGrow/lib/Time

@@ -0,0 +1 @@
+Subproject commit a18e50dcea4ee17285d732d39e7bc559482d1d3d

cangrow.sh

@@ -3,7 +3,8 @@
 
 test -z $TTY && TTY="/dev/ttyUSB0"
 test -z $IP && IP="192.168.4.20"
-test -z $VER && VER="0.1.0"
+
+VER="$(grep "define CANGROW_VER" Arduino/CanGrow/CanGrow_Version.h | cut -d \" -f2 |sed -e 's/\"//g')"
 BUILD="$(git rev-parse --short HEAD)-$(date '+%Y%m%d%H%M%S')"
 
 ACLI="$HOME/.local/bin/arduino-cli"
@@ -74,7 +75,8 @@ case $1 in
 		check_acli
 		echo ":: Building firmware $VER $BUILD, target dir: $(pwd)/build/"
 		test -d build || mkdir build
-		${ACLI_CMD} --no-color compile -b ${BOARD}  "Arduino/CanGrow/CanGrow.ino" --build-property "build.extra_flags=-DCANGROW_VER=\"${VER}\" -DCANGROW_BUILD=\"${BUILD}\"" --output-dir build/ || exit 1
+		${ACLI_CMD} --no-color compile -b ${BOARD}  "Arduino/CanGrow/CanGrow.ino" --build-property "build.extra_flags=-DCANGROW_BUILD=\"${BUILD}\"" --output-dir build/ || exit 1
+		#${ACLI_CMD} --no-color compile -b ${BOARD}  "Arduino/CanGrow/CanGrow.ino" --build-property "build.extra_flags=-DCANGROW_VER=\"${VER}\" -DCANGROW_BUILD=\"${BUILD}\"" --output-dir build/ || exit 1
 		cp build/CanGrow.ino.bin build/CanGrow_v${VER}_${BUILD}.bin
 		;;
 	u|upload)

playground/html/systemSettings/index.html

@@ -4,21 +4,27 @@
  <head>
  <meta charset='UTF-8'>
  <meta name='viewport' content='width=device-width, initial-scale=1.0'>
-<title>CanGrow - Ruderalis Indica</title>
+<title>CanGrow - Amnesia Haze</title>
 
  <link rel='icon' href='data:;base64,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'>
  <style>
 body {
   color: #cae0d0;
   background-color: #1d211e;
-  font-family: helvetica;
+  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
 }
 
 .center {
-    width: 100%; 
+  width: 100%; 
-    margin: auto;    
+  margin: auto;    
 } 
 
+.centered {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
+
 h1, h2, h3, h4, h5 {
   text-align: center;
 }
@@ -53,6 +59,12 @@ a:active {
   width: 42px;
 }
 
+.helpbox {
+  font-size: 0.8em;
+  margin-left: 15px;
+  margin-top: 5px;
+  margin-bottom: 5px;
+}
 .nav {
   background: #333;
   width: 100%; 
@@ -63,9 +75,27 @@ a:active {
   border-radius: 3px;
 }
 
+.subnav {
+  text-align: center;
+  display: table;
+  margin: auto;
+  margin-bottom: 10px;
+  padding: 0;
+  position: relative;
+  border-radius: 3px;
+}
+
 .nav li {
   display: inline-block;
   list-style: none;
+  border-radius: 3px;
+}
+
+.subnav li {
+  background: #026b45;
+  list-style: none;
+  border-radius: 3px;
+  margin-bottom: 3px;
 }
 
 .nav li:first-of-type {
@@ -73,7 +103,7 @@ a:active {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px;
 }
-.nav li a , .nav span, .button, .button:link, input[type=button], input[type=submit], input[type=reset] {
+.nav li a, .nav span, .subnav li a, .subnav span,  .button, .button:link, input[type=button], input[type=submit], input[type=reset] {
   color: #ddd;
   display: block;
   font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif;
@@ -83,13 +113,13 @@ a:active {
   text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.5);
 }
 
-.nav li a:hover , .activeMenu, .button:link:hover, .button:visited:hover, input[type=button]:hover, input[type=submit]:hover, input[type=reset]:hover  {
+.nav li a:hover, .subnav li a:hover, .activeMenu, .button:link:hover, .button:visited:hover, input[type=button]:hover, input[type=submit]:hover, input[type=reset]:hover  {
   background: #04AA6D;
   color: #fff;
   border-radius: 3px;
 }
 
-.nav li a:active {
+.nav li a:active, .subnav li a:active {
   background: #026b45;
   color: #cae0d0;
 }
@@ -125,73 +155,151 @@ input[type=text], input[type=date], input[type=number], input[type=password], se
   border-radius: 3px;
 }
 
- @media only screen and (min-width: 1280px) {
+ @media only screen and (min-width: 1820px) {
   .center, .nav {
     width: 60%; min-width: 420px;    
   }
+  .subnav li {
+    display: '';
+    margin-bottom: 3px;
+   }
 }
+
+@media only screen and (min-width: 640px) {
+  .subnav li {
+    display: inline-block;
+    margin-bottom: 3px;
+  }
+}
+/* VPD colors */
+
+.vpd_danger1 {
+  color: #1a6c9c;
+}
+.vpd_earlyveg {
+  color: #22ab9c;
+}
+.vpd_lateveg {
+  color: #9cc55b;
+}
+.vpd_latebloom {
+  color: #9cc55b;
+}
+.vpd_danger2 {
+  color: #1a6c9c;
+}
+
  </style>
 </head>
 <body>
- <ul class='nav'><li><a  href='/'>&#x1F331; Ruderalis Indica</a></li>
+ <ul class='nav'><li><a  href='/'>&#x1F331; Amnesiaaaa Haze</a></li>
 <li><a href='/growSettings' >&#128262; Grow settings</a></li>
 <li><a href='/systemSettings' class='activeMenu'>&#9881; System settings</a></li>
 <li><a href='/wifiSettings' >&#128225; WiFi settings</a></li>
 <li><a href='/help' >&#x2753; Help</a></li>
-<li><span class='MenuTime'>00:03:39</span></li>
+<li><span class='MenuTime'>00:23:10</span></li>
-<li><a href='https://git.la10cy.net/DeltaLima/CanGrow' target='_blank'>CanGrow v0.1</a></li>
+<li><a href='https://git.la10cy.net/DeltaLima/CanGrow' target='_blank'>CanGrow v0.1.3-dev</a></li>
-</ul><div class='center'><h2>&#9881; System settings</h2><p>here you can set which features and sensors you use<br></p><form method='post' action='/systemSettings/save'>
+</ul><div class='center'><h2>&#9881; System settings</h2>
-  <table>
+<ul class='subnav'>
-    <tr>
+  <li><a  href='/system/update'>&#x1F504; Firmware update</a></li>
-      <td>Use FAN: </td>
+  <li><a href='/system/restart' >&#x1F501; CanGrow restart</a></li>
-      <td>
+  <li><a href='/system/wipe' >&#x1F4A3; Factory reset</a></li>
-        <select id='UseFan' name='UseFan' required>
+</ul>
-          <option value='1' selected >Yes</option>
+<p>here you can set which features and sensors you use<br></p><form method='post' action='/systemSettings/save'>
-          <option value='0'>No</option>
+<b>Output configuration</b><br>Invert Outputs: <select id='OutputInvert' name='OutputInvert' required>
-        </select>
+<option value='0'>No</option>
-      </td>
+<option value='1' selected >Yes</option>
-    </tr>
+</select><br>
-    <tr>
+<p class='helpbox'>When using CanGrow PCB v0.6, set to <b>Yes</b></p>
-      <td>Use PUMP: </td>
+Use relais for LED (disable PWM): <select id='UseLEDrelais' name='UseLEDrelais' required>
-      <td><select id='UsePump' name='UsePump' required>
+<option value='0' selected >No</option>
-          <option value='1' selected >Yes</option>
+<option value='1'>Yes</option>
-          <option value='0'>No</option>
+</select><br>
-        </select>
+Use relais for FAN1 (disable PWM): <select id='UseFANrelais' name='UseFANrelais' required>
-      </td>
+<option value='0'>No</option>
-    </tr>
+<option value='1' selected >Yes</option>
-    
+</select><br><br>
-    <tr>
+<b>Sensor configuration</b><br>Soilmoisture sensor: <select id='SelMoistureSensor_Type' name='MoistureSensor_Type' onchange='MoistureSensorType();' required>
-      <td>Use relais for LED: 
+<option value='1' selected >Analog capacitive</option>
-      </td>
+<option value='2'>I2C Chirp (0x20)</option>
-      <td>
+</select><br>
-        <select id='UseLEDrelais' name='UseLEDrelais' required>
+Soilmoisture dry: <input type='number' id='iSoilmoistureDry' name='SoilmoistureDry' min='0' value='360' required><br>
-          <option value='1'>Yes</option>
+Soilmoisture wet: <input type='number' id='iSoilmoistureWet' name='SoilmoistureWet' min='0' value='160' required><br>
-          <option value='0' selected >No</option>
+Soilmoisture raw reading: <i><span id='iSoilmoistureRaw'>123</span></i> <input type='button' class='button' value='&#x1F503; Refresh' style='padding: 3px;' onclick='SoilmoistureRefresh();'>
-        </select>
+<p class='helpbox'>
-      </td>
+  <b>Calibration</b><br>
-    </tr>
+  Put your soilmoisture sensor into dry soil and hit Refresh.<br>
-    <tr>      
+  Adjust the value of 'Soilmoisture dry' if needed according to the reading.<br>
-      <td></td>Use relais for FAN: </td>
+  Repeat this with wet soil for 'Soilmoisture wet'.
-      <select id='UseFANrelais' name='UseFANrelais' required>
+</p>
-      <option value='1'>Yes</option>
-      <option value='0' selected >No</option>
-      </select>
-    </tr>
-    PUMP ON time: <input class='inputShort' type='number' name='PumpOnTime' min='0' max='255' value='3' required> Seconds<br>
-    Soilmoisture sensor: <select id='MoistureSensor_Type' name='MoistureSensor_Type' required>
-    <option value='1' selected >Analog capacitive</option>
-    <option value='2'>I2C chirp</option>
-    </select><br>
-    Soilmoisture low: <input class='inputShort' type='number' name='SoilmoistureLow' min='0' value='20' required> %<br>
-    Temperature sensor: <select id='TemperatureSensor_Type' name='TemperatureSensor_Type' required>
-    <option value='1' selected >DHT11/22</option>
-    <option value='2'>I2C chirp</option>
-    </select><br>
-    NTP offset: <input class='inputShort' type='number' name='NtpOffset' min='-12' max='14' value='2' required> Hours<br>
-    Maintenance Duration: <input class='inputShort' type='number' name='MaintenanceDuration' min='0' max='900' value='300' required> Seconds<br>
-    <input type='submit' value='Save'>
 
-</table>
+<script>
+
+  function loadJSON(callback) {
+      var xobj = new XMLHttpRequest();
+      xobj.overrideMimeType("application/json");
+      xobj.open('GET', '/api/sensors', true);
+      xobj.onreadystatechange = function() {
+          if (xobj.readyState == 4 && xobj.status == "200") {
+              callback(xobj.responseText);
+          }
+      }
+      xobj.send(null);
+  }
+  
+  function SoilmoistureRefresh() {
+    loadJSON(function(response) {
+      json = JSON.parse(response);
+      document.getElementById('iSoilmoistureRaw').textContent = json.soilmoistureRaw; 
+      console.log(json.soilmoistureRaw);
+    });
+  }
+  
+  
+  function MoistureSensorType() {
+   let selVal = document.getElementById('SelMoistureSensor_Type').value;
+   let wet = document.getElementById('iSoilmoistureWet'); 
+   let dry = document.getElementById('iSoilmoistureDry'); 
+   switch(selVal) { 
+   case '1': 
+     wet.value = 160;
+     dry.value = 360;
+     console.log(selVal);
+   break;
+   
+   case '2': 
+     wet.value = 485;
+     dry.value = 250;
+     console.log(selVal);
+   break;
+   
+   default:
+     wet.value = 0;
+     dry.value = 0;
+     console.log(selVal);
+   break;
+   }
+  }
+</script>
+Temperature sensor: <select id='TemperatureSensor_Type' name='TemperatureSensor_Type' required>
+<option value='1' selected >I2C BME280 (0x76)</option>
+<option value='2'>I2C BME280 (0x77)</option>
+<option value='3'>I2C SHT31 (0x44)</option>
+<option value='4'>I2C SHT31 (0x45)</option>
+<option value='5'>I2C Chirp (0x20)</option>
+</select><br>
+Humidity sensor: <select id='HumiditySensor_Type' name='HumiditySensor_Type' required>
+<option value='1' selected >I2C BME280 (0x76)</option>
+<option value='2'>I2C BME280 (0x77)</option>
+<option value='3'>I2C SHT31 (0x44)</option>
+<option value='4'>I2C SHT31 (0x45)</option>
+</select><br><br>
+<b>General configuration</b><br>NTP offset/UTC timezone: <input class='inputShort' type='number' name='NtpOffset' min='-12' max='14' value='1' required> Hours<br>
+Maintenance Duration: <input class='inputShort' type='number' name='MaintenanceDuration' min='0' max='900' value='300' required> Seconds<br>
+PWM Frequency: <input type='number' name='PWMFrequency' min='0' max='20000' value='13370' required> Hz<br>
+Display rotation interval: <input class='inputShort' type='number' name='DisplayScreenDuration' min='0' max='255' value='3' required> Seconds<br>
+<p class='helpbox'><b>0</b> will always show sensor value screen</p>ESP32-Cam IP (optional): <input type='text' name='Esp32CamIP' maxlength='16' value='' ><br><br>
+<input type='submit' value='&#x1F4BE; Save settings'>
 </form>
 
  </div>