Powering device with Lipo battery #9
HighWay777
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The code working fine.
I was not able to find proper USB cable , that is why I decided to power it with JST connector and an external battery.
Found that display does not show anything, while device working fine.
So , I added few lines in your code and now it working on battery too:
#define LCDpin 15
....
In setup
...
pinMode(LCDpin, OUTPUT);
digitalWrite(LCDpin, HIGH); //enable battery backlight
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