kwmobile 2 Channel Relay Module - 5V Relay Board for Arduino Raspberry Pi with Optocoupler - Pack of 3 : Amazon.co.uk: Electronics & Photo
Amazon.com: SainSmart 8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC : Everything Else
Amazon.co.jp: 2 Channel Time Delay Relay DC 12V Time Delay Relay 4 Channel RS485 Deray Timer Switch Relay for Arduino R3 : Industrial & Scientific
One 1 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger Power Supply Module for Arduino: Amazon.com: Industrial & Scientific
Module de Relais à 8 Canaux 5V / 12V / 24V Carte d'Extension de Déclenchement de Bas Niveau pour Arduino Carte Relais Isolement par Photocoupleur(24V) : Amazon.fr: Commerce, Industrie et Science
ANMBEST 5PCS 3V Relay Module with Optocoupler High Level Trigger Expansion Board for Raspberry Pi Arduino: Amazon.com: Industrial & Scientific
OLatus 12V Single Channel Relay Board Module For Arduino | Raspberry Pi | Avr | Pic | 8051 : Amazon.in: Industrial & Scientific
SainSmart 16-Channel Canal 12V Relay Relais Module pour Arduino DSP AVR PIC ARM : Amazon.fr: Informatique
Amazon.com: Oiyagai 4 Channel Relay Module DC 12V with Optocoupler H/L Level Triger for Arduino : Electronics
SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific
Amazon.com: ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V) : Industrial & Scientific
Amazon.com: AITRIP 2Pcs 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board Compatible with Arduino UNO R3 Raspberry Pi DSP AVR PIC ARM : Industrial & Scientific
Amazon.com: AITRIP 1PCS 8 Channel 5V Solid State Relay Module Board High Level Trigger Compatible with Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC (1PCS) : Industrial & Scientific
Amazon.com: WMYCONGCONG 5 PCS 12V 2 Channel Relay Module with Optocoupler Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
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One 1 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger Power Supply Module for Arduino: Amazon.com: Industrial & Scientific
Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC.: Amazon.com: Industrial & Scientific