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Excelity 2 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM - - Amazon.com
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250V/10A 1 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU: Amazon.com: Industrial & Scientific
ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR: Amazon.com: Industrial & Scientific
Auslese™ 5V Relay One Channel Module for Raspberry Avr Pic Low Level Trigger : Amazon.in: Industrial & Scientific
Amazon.com: 2 Channel 5V 10A DC Relay Module : Electronics
Relay Module with Optocoupler 1 Channel High Low Level Trigger Relay Module Board AC 250V/10A DC 30V/10A (5V): Amazon.com: Industrial & Scientific