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1 Channel Relay Module Interface Board Shield For Arduino 5V/12V/24V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V|Relays| - AliExpress
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CentIoT - 2 Channel 5V 10A Relay Module with OPTOCOUPLER - AC and DC Appliance Control - for Arduino DSP AVR PIC ARM : Amazon.in: Industrial & Scientific
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