PC817 Adapter Module Optocoupler with Arduino. PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V. Product Introduction: 1.Driving Port Signal Voltage:3.6-24V ...

The dropControllerV3 circuit is fairly simple and building one should not be that difficult for anybody with any kind of electronics or Arduino experience. It will be little harder if you are totally ...

4. PWM Signal Generation Unit. In the final step, a PWM pulse is given to the TRIAC as per the speed requirements, which in turn varies the ON/OFF timing of the AC signal and provides a variable ...