20Pcs Keyes Brick Button Sensor (pad hole) with Pin Header Module Digital Signal

Description This sensor is fully compatible with ARDUINO single chip microcomputer and its connection port is also compatible with Arduino sensor expansion board The sensor inputs a key signal and the output is a digital voltage signal The sensor comes with 4 positioning holes which is convenient for you to fix the sensor to other equipment Specification Operating voltage 3 3V 5V DC Interface 3PIN interfaceOutput signal digital signalSize 35 22 16mmWeight 3 7g 1pcs Package included 20 x Button Sensor the UNO does not includes