Scurta prezentare Hobbymarket:
Modul senzor electric tip counter (masoara viteza de rotatie).
The photo electric counter uses a groove IR Optocoupler to detect if there is anything between the IR emitter and IR receiver. With this method, this module can detect the number of obstructions in a given time, to detect the speed of the rotation.
- opto sensor didn't covered, the D0 output logic LOW, the signal indicates LED light,
- opto sensor covered, the D0 output logic HIGH and the LED off, adjust the potentiometer to adjust the sensitivity of the sensor.
- LM393 Comparator to make the output signal easy to read
- Nothing detected: Output low, LED on;
- Obstruction between the emitter and receiver: Output high, LED off.
This product was added to our catalog on 15 noiembrie, 2016.