D1 Key Expansion Board 1 Button Shield

This is a D1 Key Expansion Board 1 Button Shield. This Button shield is commonly used with a great variety of applications. By default, the button is connected to the D3 I/O port on the WiFi D1 mini. If you wish to use another I/O port, just cut off the connection to D3 and solder it to another pad, as needed.

Features:

1. The button is connected to the D3 I/O port on the WiFi D1 mini.
2. This button is used to Control light operations.

Package Includes:

1 x D1 Key Expansion Board 1 Button Shield

1 x Berg Pins 

specification: