Description
A simple button shield for Wemos D1
This shield just contains a button wired on the D3 input. The D3 input already have a 10K ohms pull-up resistor maintaining the voltage to 3.3v. Pressing the button will ground the D3 pin.
The D3 input value will be HIGH when the button is not pressed and LOW when the button is pressed.
Content
The button sensor shield and a section of male pinHeader to plug it on the Wemos.
Ressources
- Wemos D1 Button Shield Wiki page (english)
Contains technical information, code, sample, etc.
Data sheet
WEMOS-D1-BUTTON
3232100012004