[SOLVED] How to wire a physical push switch for Wemos D1

Solved
1

Hi
If I wish to connect a push switch to a defined input for my wemos d1 board is this how I would connect the switch
thanks oldvolt

Push Switch.png819×460 1.6 KB

2

If you use:

pinMode(SwitchPin, INPUT_PULLUP);

With SwitchPin being defined as one of the WeMos pins with internal pullup resistors you don’t need a resistor.

There is also the INPUT_PULLDOWN function but this is only available for GPIO 16 (reset pin).

Don’t forget to debounce the switch.