Relay Module 8 Contact relays for 10A, 3.0V, 5.0V ,12V (3.0V for Raspb Pi/ESP8266-32/STM32) for DIY projects

Relay Module 8 Contact relays for 10A, 3.0V, 5.0V ,12V (3.0V for Raspb Pi/ESP8266-32/STM32) for DIY projects

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