Widely used in motor speed detection, pulse count, position limit, etc. Using a optical coupling sensor with just 5mm width.
It has an output state light. If the output is in a high level, the lights are off. If output is on a low level, the lights are on. Good signal and waveform, with strong driving ability for more than 15mA.
The DO output interface can be directly connected to a micro-controller IO port.
DO module can be connected to relays, limit switches, or other functions, it can also compose an alarm with the active buzzer module.
32 x 14 x 16mm
Parts as depicted in the photos.