ESP8266 Community Forum

- Sun Apr 03, 2016 8:15 pm #44756

Code: Select all#define PIN 4 // GPIO pin  <-- Pin 4 is actually the broken out pin marked GPIO2


edit: changed diagram and pin number in code.

Ok, I'm fiddling with this right now... and GPIO2 appears to be pin 2 in Arduino, not 4. Where did 4 come from?