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Amazon.com: Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 12V) : Automotive
uxcell DC 12V Relay Module 1 Channel Low Lever Trigger for UNO R3 DSP ARM PIC AVR STM32 - - Amazon.com
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3 Channels Momentary Switch Control SPDT 10Amp Power Relay Module (DC 12V): Amazon.com: Industrial & Scientific
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Relay 12V, DC 12V Single Channel Relay Module RF Wireless Switch Receiver + Remote Control Transmitter Relais Module - - Amazon.com
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