Features 【PCB】Optocoupler isolation board is manufactured with high quality PCB material, featuring reliability and miniaturization, easy to maintain and replace. 【OUTPUTS】Optical isolator module can realize the outputs as high level outputs or pull-down outputs through jumper caps. 【INDEPENDENT CONTROL】The four 817 channels on the photoelectric isolated module board are independent, allowing simultaneous control of different voltages. 【CONTROLLED TERMINAL】Voltage converter adapter module can realize 3.3V or 5V control interface, after the control terminal is turned on, the controlled terminal will also be turned on at the same time. 【APPLICABLE】Optocoupler optoisolator has strong anti-interference ability, it can drive high power transistors, MOS tubes and other occasions that require high voltage drive, and it can also directly drive low power 24V relay work. Features 【PCB】Optocoupler isolation board is manufactured with high quality PCB material, featuring reliability and miniaturization, easy to maintain and replace. 【OUTPUTS】Optical isolator module can realize the outputs as high level outputs or pull-down outputs through jumper caps. 【INDEPENDENT CONTROL】The four 817 channels on the photoelectric isolated module board are independent, allowing simultaneous control of different voltages. 【CONTROLLED TERMINAL】Voltage converter adapter module can realize 3.3V or 5V control interface, after the control terminal is turned on, the controlled terminal will also be turned on at the same time. 【APPLICABLE】Optocoupler optoisolator has strong anti-interference ability, it can drive high power transistors, MOS tubes and other occasions that require high voltage drive, and it can also directly drive low power 24V relay work. Specification ItemType: Optocoupler Isolation Board Material: PCB Driver Semaphore Voltage: 3.6-24V Output Voltage Range: 3.6-30V (output current depends on the specific situation, but the maximum power is not exceed 10MA, the total power is constant, the voltage and current are inversely proportional) Package List 1 x Optocoupler Isolation Board NoteIf it is a pulse semaphore, please note that the limit of 817 is below 4KHZ, please do not use this module for control semaphore greater than 4KHZ, which will not work properly. Package List 1 x Optocoupler Isolation Board