Description
The use of highly sensitive switch SW-520D as sensors.
Comparator output signal clean, waveform, and driving ability, than 15mA.
Rated voltage and 3.3V-5V
Output: digital switch outputs (0 and 1)
Provided with fixing bolt holes for easy installation
Small Board PCB dimensions: 3.2cm x 1.4cm
Using wide LM393 voltage comparator


