資料來源:https://www.seeedstudio.com/Grove---Red-LED-Button-p-3096.html
The Grove - Red LED Button is stable and reliable with 100 000 times long life. With the build-in LED, you can apply it to many interesting projects, it is really useful to use the LED to show the status of the button. We use a high-quality N-Channel MOSFET to control the LED to ensure the high swithching speed and a low consumption.All in all, you want some really awesome button? Here you go ..
Features
Long Operating life
Easy to use
Grove Digital interface
Pin Map