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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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Relay Controller,USB Relay Switch 12V 8 Channel Relay Module with USB Interface Drive-Free for Computer Smart Control Switch: Amazon.com: Industrial & Scientific
Amazon.com: DC12V Serial Port 32 Channels Switch Control Relay Module for Industry Sector Smart Home Control R421C32 : Automotive
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Schneider Electric RM22LA32MT Level Control Relay Relais Zelio New NFP: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
uxcell DC 12V Relay Module 1 Channel Low Lever Trigger for UNO R3 DSP ARM PIC AVR STM32 - - Amazon.com
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NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB): Amazon.com: Industrial & Scientific