3pcs PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Pho

Specifications: 1.Driving Port Signal Voltage:3.6-24V 2.Output Port Voltage Port:3.6-30V 3.Jumper Cap Can Achieve Output Port Is High POtential Or Pull Down Output 4.Onboard 4-Channel 817 Are Independent:can achieve different voltage control at then same time 5.Features :Using 4-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 Package Included: 3 X 4-Channel Optocoupler Isolation Module