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Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Tools & Home Improvement
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KY-019 5V Relay Module for Arduino AVR PIC (Pack of 5) : Tools & Home Improvement
HiLetgo 5V 4 Channel Relay Shield for UNO R3 Relay Shield Four Channel Relay Shield for UNO R3 : Electronics
ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR : Industrial & Scientific
