20pcs LM393 DC 5V Optoelectronic Sensor PIR Sensor Module With LED Instruction Slot Single Signal Output

Specifications: The distance between PCB two circular hole (point to point center) is 1.5cm, and the aperture is 0.3cm. Slot type optocoupler slot width : 10mm Main chip: LM393, slot type optocoupler H2010 Working voltage: DC 5V Size: 32mm x11mm x 20mm Characteristic: 1. There is a signal output indication. 2. Single signal output. 3. When the object is blocked, the output is high level (LED lights out) and the output is low when there is no shelter. (LED lights). 4. The sensitivity is not adjustable. 5 It can be used for workpiece counting and motor speed measurement. 6. Circuit board output switch quantity Package Included: 20 x Optoelectronic PIR Sensor Module