Welcome to World of Module Sensor Kit repository
1.Introduction of module

Buttons are indispensable in our life, which can used as switches for many products. This button module is a self-resetting button. Its feature is that when the button is pressed, the action is triggered, OUT pin and GND pin will conduction. When the button is released, OUT pin in a floating state. When we set the OUT pin as a pull-up input mode and use a multimeter to test this pin, we can find that the OUT pin is high level. When the button is pressed, the OUT pin becomes low level.