PC817 2 Channel Optocoupler Isolation Board Switch Converter Adapter Module DC 3.6 -30V Driver Photoelectric Isolated Module

Using 2-way 817 optocoupler, to achieve the control signal and the control signal isolation, you can directly use the microcontroller or other devices IO port to achieve voltage isolation control, you can achieve a small voltage control, the control side can be an external transistor MOS tube or different voltage levels Of the device interface
 
Specification:
Driving Port Signal Voltage: 3.6-24V
Output Port Voltage Port: 3.6-30V
Jumper Cap Can Achieve Output Port Is High POtential Or Pull Down Output
Onboard 2-Channel 817 Are Independent: can achieve different voltage control at then same time