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Keyestudio RPI 4 Channel Relay Shield Module Expansion Board for gives all the best attributes with an impressive cheap price of 6.17$ which is a deal. It has a plethora attributes including model, country region of manufacture, China and mpn.
Store Sign Now You also 4 Relay Shield Module Raspberry Pi Product Description Introduction keyestudio RPI 4-Relay Shield with Raspberry 2 Model B 3 Model B. high filed like home with Raspberry Pi A+/B+/Pi B 3 BA quality with load of 30V/10AWith indicator check state SONGLE relay, providing 4-channel input relays isolated the channels can control up to or 250V 10 A. to control components lights motors Raspberry 3. directly your pi with will find LED indicates the status of the relays. will provide source code and guide PDF.