diff --git a/arduino-max485-epever-json-serial.ino b/arduino-max485-epever-json-serial.ino
index 5e14ed7..4717c1a 100644
--- a/arduino-max485-epever-json-serial.ino
+++ b/arduino-max485-epever-json-serial.ino
@@ -48,18 +48,18 @@
   MAX485 => Arduino 
   GND => GND
   VCC => 5V
-  DI => 11
+  DI => 9
   DE => 3
   RE => 2
-  RO => 10
+  RO => 8
 
   MAX485 Nr 2 =>Arduino 
   GND => GND
   VCC => 5V
-  DI => 9
+  DI => 11
   DE => 5
   RE => 4
-  RO => 8
+  RO => 10
 
   TRACER => MAX485
   blue => B
@@ -80,8 +80,8 @@
 bool twoController = false;
 int twoControllerBoolPin = 7;
 
-SoftwareSerial myserial(10, 11); // RX, TX
-SoftwareSerial myserial2(8, 9); // RX, TX
+SoftwareSerial myserial(8, 9); // RX, TX
+SoftwareSerial myserial2(10, 11); // RX, TX
 
 
 #define MAX485_DE      3
diff --git a/serial-to-file.py b/serial-to-file.py
index 759432b..68bd66c 100755
--- a/serial-to-file.py
+++ b/serial-to-file.py
@@ -8,7 +8,7 @@
 import serial
 import time
 
-ser = serial.Serial('/dev/ttyACM0', baudrate = 115200, timeout = 6)
+ser = serial.Serial('/dev/ttyUSB0', baudrate = 115200, timeout = 6)
 outfile = "epever-tracer.json"
 #time.sleep(3)