Tag is 5V relay module photodiode module
Relay&Relay Module 5V relay module photodiode module,light control switch, light detection, light sensors
5V relay module photodiode module,light control switch, light detection, light sensors
Uses:
Light detection , brightness detection, by detecting the brightness potentiometer adjustable valve point , comes relays, do all kinds of brightness detection switch , you can control all kinds of...Read More
5V relay module photodiode module