Motor Speed Sensor Module
1. size: 32mm(length) *11mm(width)*20mm(height)
2. the main chip: LM393, the opposite type infrared head
3. working voltage: 5V DC
4. with signal output indicator.
2, single signal output.
3, the effective output signal is of low level.
4, the sensitivity is not adjustable.
5, can be used for workpiece count, motor speed measurement….
6. circuit board output switch value!
30 in stock