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5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific
Tanbupu 3PCS Relay Module 5V DC 1 Channel Relay Switch Board with OPTO-Isolated High Or Low Level Trigger Board for Arduino X-002-1-5VDC: Amazon.com: Industrial & Scientific
Excelity 2 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM - Amazon.com
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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
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Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Industrial & Scientific
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![Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/710lO84lESL._AC_UF1000,1000_QL80_.jpg "Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific")
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Amazon.com: SainSmart 2-Channel Relay Module : Automotive
Amazon.com: Relay Module with Optocoupler 1 Channel High&Low Level Trigger Relay Module Board(24V) : Industrial & Scientific
Amazon.com: SainSmart 8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC : Everything Else
Amazon.com: HiLetgo 5V 4 Channel Relay Shield for UNO R3 Relay Shield Four Channel Relay Shield for UNO R3 : Automotive
3 Channel Relay Module with Optocoupler Isolation Opto-Isolated Compatible 3.3V 5V Signal High-Voltage Relay: Amazon.com: Industrial & Scientific
Songhe DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module for Arduino (Pack of 5): Amazon.com: Industrial & Scientific
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
Amazon.com: HiLetgo 5V 8 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger : Industrial & Scientific
Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
Amazon.com: ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR : Electronics
Tanbupu 3PCS Relay Module 12V DC 1 Channel Relay Optocoupler Isolation Switch Board with OPTO-Isolated Support High Or Low Level Trigger Board for Arduino X-002-1-12VDC: Amazon.com: Industrial & Scientific
Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
