5V 4 Channel Relay Module with light coupling for Arduino PIC ARM DSP AVR Raspberry Pi B58
- Relay contact capacity 250V10A. Relay output normally open, normally closed;
- active low. 5V relay signal input voltage range :0-5V;
- VCC system power. JD-VCC relay power. Default 5V relay. JD-VCC and VCC shorted.
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