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5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current Equiped with high-current relay, AC250V 10A ; DC30V 10A Standard
DWEII 5pcs 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 Mega 2560 1280 DSP Arm Pic AVR STM32
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Siri/iOS HomeKit Garage Door Control w/Raspberry Pi – Part 1: Hardware
5V low level trigger 2 channel relay module to switch up to 10A DC30V or AC250V loads
RELAY MODULE – diymore
FOR ARDUINO – Tagged Relay – diymore
5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current Standard interface that can be controlled directly by microcontroller
4pcs 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for
SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 Arm Pic AVR 8C-5V
Geekstory 5PCS 2 Channel 5V Relay Module 10A with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP Electronic STM32 Raspberry Pi : Electronics