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8pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module home2023 PURE SUPPORT: our natural formula8pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3. 6 30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module PC817 Optocoupler Module can achieve an interface with a voltage level of 3. 6 24V controlled by 3. 3V or 5V. After the control terminal is connected, the controlled terminal will also be connected. Strong photoelectric isolation and anti interference ability. Later, it can drive high power transistors, MOS