4 Channel 5V Relay Shield Module
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4 Channel 5V Relay Module
Amazon.com: HiLetgo 5V 4 Channel Relay Shield for UNO R3 Relay Shield Four Channel Relay Shield for UNO R3 : Automotive
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4-Channel General Purpose SPDT Relay Controller + 4 GPIO with I2C Interface - store.ncd.io
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4 Relay Module 30A | Makerfabs
Relay4 Board - MikroElektronika
4 Circuit Relay Panel – Kwik Wire | Electrify Your Ride
