20Pcs Keyes Brick Laser Head Sensor Module (pad hole) with Pin Header Board Digital Signal

Description This sensor is fully compatible with ARDUI NO single chip microcomputer and its connection port is also compatible with Arduino sensor expansion board It is mainly composed of a laser head which is composed of a light emitting tube core a condenser lens and a copper adjustable sleeve After connecting to the power supply we directly input a high level digital signal at the signal end and the sensor starts to work It can be used in laser toys electronic pointer pens electronic spirit levels miniature LCD projectors etc The sensor comes with 4 positioning holes which is convenient for you to fix the sensor to other equipment Specification Operating voltage 3 3 5V DC Interface 3PIN interfaceInput signal Digital signalSize 35 22 10mmPackage included 20 x Laser Head Sensor Module the other items are not includes