Amazon.com: YWBL-WH Breaker,Voltage Protection Relay Adjustable Automatic Reconnect Over&Under Voltage Protector Automatic Recovery Voltage Protection Relay Digital Display AC 230V 50Hz 63A, Breaker : Industrial & Scientific
Amazon.com: SainSmart 5V 2-Channel Solid State Relay Board for Arduino Uno Duemilanove Mega2560 Mega1280 Arm Dsp Pic : Everything Else
Excelity 2 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM - - Amazon.com
Amazon.com: Ailavi AC 110V/220V to DC 5V 2A 10W Switching Mode Power Supply Board AC-DC Power Adapter Module 5V2A : Electronics
Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics
Amazon.com: ARCELI 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Relay : Electronics
Liyafy 5V 4 Channel Solid State Relay Module with Fuse: Amazon.com: Tools & Home Improvement
Amazon.com: Solid State Relay SSR Board for Arduino Uno Yun Leonardo Zero : Electronics
Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics
Amazon.com: Acxico 2Pcs AC-DC Converter AC 110V 220V 230V to DC 5V 12V 24V Power Supply Mini PCB Module(DC 5V 2A Version) : Electronics
Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics
Amazon.com: SainSmart 5V 2-Channel Solid State Relay Board for Arduino Uno Duemilanove Mega2560 Mega1280 Arm Dsp Pic : Everything Else
Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics
Amazon.com: Yizhet 5V 2 Channel-Relay DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi PIC AVR MCU DSP ARM TTL Logic (1 PCS) : Industrial & Scientific
Amazon.com: Waveshare Raspberry Pi Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Supports Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home Appliances : Electronics
Amazon.com: SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM : Everything Else
Amazon.com: sb components Zero Relay 2 Channel 5V Relay Shield for Raspberry Pi, Relay HAT Expansion Relay Board for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W | Power Relay Module for Raspberry Pi :
Amazon.com: 2Pcs AC DC Converter Module Universal 110V 120V 220V 230V to DC 5V 12V Isolated Switching Power Supply Board (DC 5V 700mA Version) : Electronics
Amazon.com: SHANGMAOYO Relays 2PCS/Lot Relay G2R-1-12VDC 10A G2R-2-24VDC 5A G2R-1-E-5VDC 16A 5V 12V 24V 110V 230V Brand New and Original Power Relay Electronic Component (Pins : G2R-1-24VDC 5Pin) : Industrial & Scientific