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Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
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Amazon.com: 2 Channel 5V 10A DC Relay Module : Electronics
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Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
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Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific
Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific
250V/10A 1 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU: Amazon.com: Industrial & Scientific
Amazon.com: 2 Channel 5V 10A DC Relay Module : Electronics
ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR: Amazon.com: Industrial & Scientific
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NOYITO 5V 2-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board: Amazon.com: Industrial & Scientific
Amazon.com: SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+ : Electronics
250V/10A 1 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
