diff --git a/release/port.txt b/release/port.txt
new file mode 100644
index 0000000..b390b6c
--- /dev/null
+++ b/release/port.txt
@@ -0,0 +1 @@
+COMX
diff --git a/release/update.bat b/release/update.bat
new file mode 100644
index 0000000..af826cc
--- /dev/null
+++ b/release/update.bat
@@ -0,0 +1,16 @@
+@echo off
+set /p port=<port.txt
+
+if %port% == COMX (
+    echo Arduino PORT not set
+    echo Please set Arduino PORT in port.txt to one of the following devices:
+    mode
+    pause
+    exit
+)
+
+set version=0.3.3
+echo Arduino PORT set to %port%
+echo Upload Software Version %version%
+avrdude-v7.1-windows-x64\avrdude.exe -v -p atmega328p -C avrdude-v7.1-windows-x64\avrdude.conf -c arduino -b 115200 -D -P %port% -U flash:w:firmware-%version%.hex:i
+pause
\ No newline at end of file