20Pcs Keyes Brick Collision Sensor (pad hole) with Pin Header Module

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 can output a digital voltage signal When the sensor presses the button due to a collision object the sensor signal terminal outputs a low level signal and when the button is released the sensor signal terminal maintains a high level The sensor can be used as a position switch in a 3D printer The sensor comes with 2 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 38 22 6mmWeight 2 7g 1pcs Package included 20 x Collision Sensor the UNO does not includes