So to set the pin #0 LED on and off (which would be pin #3 in Lua) first make it an
output:
gpio.mode(3, gpio.OUTPUT)
Turn the LED on with:
gpio.write(3, gpio.LOW)
And off with:
CHPD (Note, don't use this pin or set it
to be an output!)
3
9
4
1
5
2
9
11
10
12
12
6
13
7
14
5
15
8
16
0
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