diff --git a/Arduino/CanGrow/CanGrow.ino b/Arduino/CanGrow/CanGrow.ino
index 807841d..854b61b 100644
--- a/Arduino/CanGrow/CanGrow.ino
+++ b/Arduino/CanGrow/CanGrow.ino
@@ -20,6 +20,8 @@
 #include <WiFiUdp.h>
 // https://github.com/esp8266/Arduino/tree/master/libraries/ESP8266WebServer
 #include <ESP8266WebServer.h>
+// OTA update 
+#include <ESP8266HTTPUpdateServer.h>
 // https://github.com/adafruit/Adafruit-GFX-Library
 #include <Adafruit_GFX.h>
 // https://github.com/adafruit/Adafruit_SSD1306
@@ -46,12 +48,12 @@
 #include "CanGrow_Logo.h"
 #include "CanGrow_Sensors.h"
 
+#include "CanGrow_Version.h"
 #include "CanGrow_HTML.h"
 #include "CanGrow_SysFunctions.h"
 #include "CanGrow_WebFunctions.h"
 
 
-
 /*
  * Setup
  * 
@@ -89,7 +91,11 @@ void setup() {
   // Write a line before doing serious output, because before there is some garbage in serial
   // whats get the cursor somewhere over the place
   Serial.println("420");
-  Serial.println(".:: CanGrow Start ::.");
+  Serial.print(".:: CanGrow v");
+  Serial.print(CanGrowVer);
+  Serial.print(" build ");
+  Serial.print(CanGrowBuild);
+  Serial.println(" starting ::.");
   
   Serial.println(":: initialise I2C ::");  
   // initialise Wire for I2C
@@ -232,6 +238,9 @@ void loop() {
     } else {
       controlLED();
     }
+    
+    
+    
     displayScreens();
     
     // current time gets previous time for new interval
diff --git a/Arduino/CanGrow/CanGrow_HTML.h b/Arduino/CanGrow/CanGrow_HTML.h
index 3cbec47..5568809 100644
--- a/Arduino/CanGrow/CanGrow_HTML.h
+++ b/Arduino/CanGrow/CanGrow_HTML.h
@@ -146,7 +146,7 @@ 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: 1856px) {
   .center, .nav {
     width: 60%; min-width: 420px;    
   }
@@ -470,3 +470,14 @@ const char HTMLgauge[] PROGMEM = R"EOF(
 </script>
 
 )EOF";
+
+
+const char HTMLupdate[] PROGMEM = R"EOF(
+<p>You find the latest CanGrow firmware version on the <a href='https://git.la10cy.net/DeltaLima/CanGrow/releases' target='_blank'>release page</a> of the git repository.</p>
+<form method='POST' action='/system/applyUpdate' enctype='multipart/form-data'>
+   <b>Select .bin file:</b><br>
+   <input type='file' accept='.bin,.bin.gz' name='firmware'>
+   <input type='submit' value='Update Firmware' onclick="document.getElementById('divUploading').style.display = '';">
+</form>
+<div id='divUploading' style='display: none;' class='warnmsg'>Uploading, please wait...<div>
+)EOF";
diff --git a/Arduino/CanGrow/CanGrow_Init.h b/Arduino/CanGrow/CanGrow_Init.h
index 9849b26..3b142e6 100644
--- a/Arduino/CanGrow/CanGrow_Init.h
+++ b/Arduino/CanGrow/CanGrow_Init.h
@@ -3,7 +3,6 @@
  * Constants 
  * 
  */
-const char* CanGrowVer = "0.1";
 const char* APssid = "CanGrow-unconfigured";
 /*
  * TODO - does not work atm. idk why. 
@@ -144,6 +143,7 @@ NTPClient timeClient(ntpUDP);
  */
  
 ESP8266WebServer webserver(80);
+ESP8266HTTPUpdateServer webUpdater;
 
 /* I2C Stuff 
  *  
diff --git a/Arduino/CanGrow/CanGrow_Version.h b/Arduino/CanGrow/CanGrow_Version.h
new file mode 100644
index 0000000..868e23f
--- /dev/null
+++ b/Arduino/CanGrow/CanGrow_Version.h
@@ -0,0 +1,5 @@
+/* CanGrow_Version.h gets generated from cangrow.sh */
+
+const char* CanGrowVer = "0.1-dev";
+const char* CanGrowBuild = "4ad16c9";
+
diff --git a/Arduino/CanGrow/CanGrow_WebFunctions.h b/Arduino/CanGrow/CanGrow_WebFunctions.h
index 2d1b340..45f2d87 100644
--- a/Arduino/CanGrow/CanGrow_WebFunctions.h
+++ b/Arduino/CanGrow/CanGrow_WebFunctions.h
@@ -235,6 +235,22 @@ void SysMaintenance() {
   webserver.send(200, "text/html", body);
 }
 
+void SysUpdate() {
+  String body = returnHTMLheader();
+  
+  body += "<h2>&#x1F504; Firmware update</h2>";
+  
+  body += "<b>Version:</b> ";
+  body += CanGrowVer;
+  body += "<br><b>Build:</b> ";
+  body += CanGrowBuild;
+  
+  body += FPSTR(HTMLupdate);
+  
+  body += FPSTR(HTMLfooter);
+  webserver.send(200, "text/html", body);
+}
+
   /*
    * TODO
    * DOES NOT WORK WHEN CONNECTED TO EXISTING WIFI
@@ -426,7 +442,7 @@ void WEBgrowSettings() {
     
   
     
-    body += "Grow name: <input type='text' name='GrowName' maxlength='32' value='";
+    body += "Grow name: <input type='text' name='GrowName' maxlength='31' value='";
     body += GrowName;
     body+= "' required><br>\n";
     
@@ -487,7 +503,7 @@ void WEBgrowSettings() {
       body += "'/> %<br>\n";
     }
     
-    body += "<input type='submit' value='Save'>\n";
+    body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
     body += "</form>\n"; 
     body += FPSTR(JSconvertDateToEpoch);
     body += FPSTR(HTMLfooter);
@@ -593,8 +609,9 @@ void WEBsystemSettings() {
     body += "' ><br>\n";
     
     
-    body += "<input type='submit' value='Save'>\n";
-    body += "</form>\n";  
+    body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
+    body += "</form><br><a class='button' href='/system/update'>&#x1F504; Firmware update</a>\n";  
+    
     
     body += FPSTR(HTMLfooter);
     
@@ -659,7 +676,7 @@ void WEBwifiSettings() {
   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 += "<input type='submit' value='Save'>\n";
+  body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
   body += "</form>\n";
   body += FPSTR(HTMLfooter);
   
@@ -1098,6 +1115,11 @@ void WebHandler() {
   webserver.on("/system/wipe", HTTP_GET, SysWipe); 
   // Maintenance mode
   webserver.on("/system/maintenance", HTTP_GET, SysMaintenance); 
+  // system update with binary
+  // update form
+  webserver.on("/system/update", HTTP_GET, SysUpdate); 
+  // update itself
+  webUpdater.setup(&webserver, "/system/applyUpdate");
   // does not work atm TODO
   //webserver.on("/logout", [](){ webserver.send(401, "text/html", "logged out!"); });
   
diff --git a/cangrow.sh b/cangrow.sh
index 162b8f7..2ce35c3 100755
--- a/cangrow.sh
+++ b/cangrow.sh
@@ -3,6 +3,7 @@
 
 TTY="/dev/ttyUSB0"
 IP="192.168.30.212"
+VER="0.1-dev"
 
 function help() {
 	echo "$0 [build|upload|webupload|monitor]"
@@ -15,7 +16,12 @@ case $1 in
 	b|build)
 		echo "building firmware binary into $(pwd)/build/"
 		test -d build || mkdir build
-		~/.local/bin/arduino-cli --no-color compile -b esp8266:esp8266:d1_mini_clone  "Arduino/CanGrow/CanGrow.ino" --output-dir build/
+		echo "/* CanGrow_Version.h gets generated from cangrow.sh */
+
+const char* CanGrowVer = \"${VER}\";
+const char* CanGrowBuild = \"$(git rev-parse --short HEAD)\";
+" > Arduino/CanGrow/CanGrow_Version.h
+		~/.local/bin/arduino-cli --no-color compile -b esp8266:esp8266:d1_mini_clone  "Arduino/CanGrow/CanGrow.ino" --output-dir build/ || exit 1
 		;;
 	u|upload)
 		echo "uploading to $TTY"
diff --git a/playground/html/root/index.html b/playground/html/root/index.html
index ed67ad9..f92a4c5 100644
--- a/playground/html/root/index.html
+++ b/playground/html/root/index.html
@@ -4,8 +4,8 @@
  <head>
  <meta charset='UTF-8'>
  <meta name='viewport' content='width=device-width, initial-scale=1.0'>
-<title>CanGrow - Ruderalis Indica</title>
-<link rel='stylesheet' type='text/css' href='gauge.css'>
+<title>CanGrow - Amnesia Haze</title>
+
  <link rel='icon' href='data:;base64,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'>
  <style>
 body {
@@ -139,93 +139,23 @@ input[type=text], input[type=date], input[type=number], input[type=password], se
  </style>
 </head>
 <body>
- <ul class='nav'><li><a  href='/'>&#x1F331; Ruderalis Indica</a></li>
+ <ul class='nav'><li><a  href='/'>&#x1F331; Amnesia Haze</a></li>
 <li><a href='/growSettings' >&#128262; Grow settings</a></li>
 <li><a href='/systemSettings' >&#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'>01:53:31</span></li>
+<li><span class='MenuTime'>09:48:27</span></li>
 <li><a href='https://git.la10cy.net/DeltaLima/CanGrow' target='_blank'>CanGrow v0.1</a></li>
-</ul><div class='center'><h2>&#x1F331; Ruderalis Indica</h2>
+</ul><div class='center'><h2>&#x1F504; Firmware update</h2>Version: 0.1<br>Build: 4ad16c9
+<p>You find the latest CanGrow Firmware Version on the projects <a href='https://git.la10cy.net/DeltaLima/CanGrow/releases' target='_blank'>release page</a></p>
+<form method='GET' action='' enctype='multipart/form-data'>
+   Firmware .bin file:<br>
+   <input type='file' accept='.bin,.bin.gz' name='firmware'>
+   
+</form>
+<button onclick="document.getElementById('divUploading').style.display = ''; window.alert('click');">asd</button>
+<div id='divUploading' style='display: none;' class='warnmsg'>Uploading, please wait...<div>
 
-<div class='gaugeWrapper'>
-  <div class='gauge gauge--liveupdate spacer' id='gaugeTemperature' style='float:left; margin-right: 10px;'>
-      <span class='gaugeLabel'>Temperature</span>
-      <div class='gauge__container'>
-        <div class='gauge__background'></div>
-        <div class='gauge__center'></div>
-        <div class='gauge__data'></div>
-        <div class='gauge__needle'></div>
-      </div>
-      <div class='gauge__labels mdl-typography__headline'>
-          <span class='gauge__label--low'></span>
-          <span class='gauge__label--spacer'></span></span>
-          <span class='gauge__label--high'></span>
-      </div>
-  </div>
-  
-  <div class='gauge gauge--liveupdate spacer' id='gaugeHumidity' style='float:left; margin-right: 10px;'>
-      <span class='gaugeLabel'>Humidity</span>
-      <div class='gauge__container'>
-        <div class='gauge__background'></div>
-        <div class='gauge__center'></div>
-        <div class='gauge__data'></div>
-        <div class='gauge__needle'></div>
-      </div>
-      <div class='gauge__labels mdl-typography__headline'>
-          <span class='gauge__label--low'></span>
-          <span class='gauge__label--spacer'></span>
-          <span class='gauge__label--high'></span>
-      </div>
-  </div>
-  
-  <div class='gauge gauge--liveupdate' id='gaugeSoilmoisture' style='float:left;'>
-      <span class='gaugeLabel'>Soilmoisture</span>
-      <div class='gauge__container'>
-        <div class='gauge__background'></div>
-        <div class='gauge__center'></div>
-        <div class='gauge__data'></div>
-        <div class='gauge__needle'></div>
-      </div>
-      <div class='gauge__labels mdl-typography__headline'>
-          <span class='gauge__label--low'></span>
-          <span class='gauge__label--spacer'></span>
-          <span class='gauge__label--high'></span>
-      </div>
-  </div>
-          
-
-</div>
-
-<script src='gauge.js'></script>
-<script>
-  var gaugeTemperature = new Gauge(document.getElementById('gaugeTemperature')); 
-  var gaugeHumidity = new Gauge(document.getElementById('gaugeHumidity'));
-  var gaugeSoilmoisture = new Gauge(document.getElementById('gaugeSoilmoisture'));
-</script>
-
-<script>gaugeTemperature.value('21.27', 42, ' °C'); gaugeHumidity.value('61.83'); gaugeSoilmoisture.value('98'); </script><br>
-<img class='centered' src='http://192.168.30.6/capture' alt='Image capture from ESP32CAM at 192.168.30.6'>
-<br>
-Grow started: 2024-04-12<br>
-Day of Grow: 41<br>
-Pump water level: <span style='color: red;'>Critical</span><br>
-Growlight brightness: 100 %<br>
-<form method='post' action='/switch'>
-MOSFET<select id='output' name='output' >
-<option disabled value='' selected hidden>---</option>
-<option value='1'>LED</option>
-<option value='2'>FAN</option>
-<option value='3'>PUMP</option>
-</select><br>On/Off: <select id='state' name='state' >
-<option disabled value='' selected hidden>---</option>
-<option value='1'>On</option>
-<option value='0'>Off</option>
-</select><br>
-Intensity: <input type='range' id='OutputPWM' name='OutputPWM' min='1' max='255' value='255'/><br>
-<input type='submit' value='Save'>
-</form><br>
-<a class='button' href='/system/maintenance'>Maintenance Mode</a>
  </div>
 </body>
 </html>