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Arduino compatible, 4-channel relay, 5V active HIGH, R3 board compatible, High-power relays, suitable for various appliances.

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KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board
KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board
WHY CHOOSE KEYESTUDIO! 1.EXCELLENT QUALITY solder is very clean, everything is aligned nicely, all b..
US$0.00
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