Geekstory 5PCS 2 Channel 5V Relay Module 10A with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP Electronic STM32 Raspberry Pi - - Amazon.com
4 Channel Relay Module Board with Optocoupler High & Low Trigger Module 5V/12V/24V Optional(5V): Amazon.com: Industrial & Scientific
2 x Relay Board Single 10A / 250V for microcontroller 5V Logic Level : Amazon.ca: Industrial & Scientific
Amazon.com: 5V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 5V Relay) : Industrial & Scientific
NE555 Trigger Timer Switch Delay Connect Module Adjustable Time Delay Relay Module DC 5V 10A 0-10S with LED Indicator Board: Amazon.com: Industrial & Scientific
Amazon.com: 2 Channel 5V 10A DC Relay Module : Electronics
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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
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Amazon.com: AGT 5V DC 5-Pin Coil SPDT Power Electromagnetic Relay 10A 250VAC PCB SSR Type (Pack of 10) : 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: 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