Product features

1, size: 32mm (length) * 11mm (width) * 20mm (height)

2. The main chip: LM393, the infrared head of the opposite type

3. Working voltage: 5V DC

4, with signal output indicator.

5, can be used to detect the number of workpieces and motor speed

6, circuit board outputs switch quantity

7. The sensitivity is not adjustable.

8, Can be used for counting the workpiece, measuring motor speed....