In diagnosing the problem he realized that his circuit connected to GPIO_0 was inadvertently putting the ESP8266 into programming mode, since it was holding the pin LOW unless the intercom button ...

‘He does this by connecting GPIO pins from the ESP8266 GPIO’ – Eh, that doesn’t make much sense :D. Report comment. Reply. ChrisE999 says: July 1, 2021 at 2:33 am ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor ...

The ESP8266 runs at 3.3 volts and has GPIO pins with a maximum current capacity of only 12 mA. To drive the 12 volt, high-current LED strip, we are going to need some help, in the form of a beefy ...