Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
Amazon.com: SainSmart 2-Channel Relay Module : 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: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
Amazon.com: SainSmart 8-Channel Relay Module : Everything Else
Amazon.com: Xiuxin 2pcs 5V 8 Channel Relay Module Board for Arduino PIC AVR DSP ARM : Electronics
Module Relai 2 Canaux 5V - Arduino - 2 Relais Arduino
Delay Relay Board, DC 12V Delay Turn Off Switch Module with Timer,Relay Delay for Smart Home Tachograph GPS Industrial Control Electronic Experiment Arduino Robot,Trigger: Amazon.com: Tools & Home Improvement
SainSmart USB 4 Channel Relay Automation (5V): Amazon.com: Industrial & Scientific
WINGONEER 5PCS KY-019 5V un modulo di relè della Manica bordo dello schermo per PIC AVR DSP del BRACCIO per relè arduino : Amazon.it: Informatica
Amazon.com: SainSmart 8-Channel Relay Module : Everything Else
LM2576 Power Supply 16-Channel 5V Relay Shield Module with Optocoupler 16 CH Relay Microcontroller for Arduino: Amazon.com: Industrial & Scientific
5V/12V/24V Relay Module,1 Channel Optocoupler Relay Module Board High & Low Trigger (5V): Amazon.com: Industrial & Scientific
Solid State Relay Module, 4 Channel Solid State Relay Module Board 5V DC-AC High Level Trigger with Fuse 2A: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
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
SainSmart 4-Channel Relay Module
Amazon.com: SainSmart 5V 2-Channel Solid State Relay Board for Arduino Uno Duemilanove Mega2560 Mega1280 Arm Dsp Pic : Everything Else
Amazon.com: SainSmart 8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC : Everything Else
ANMBEST Relay Module with Optocoupler High/Low Level Trigger for Arduino (3, 3V Relay 1 Channel): Amazon.com: Industrial & Scientific
Amazon.com: AC100V-250V 30A High Power 2-Channel Relay High Current DC5V High-Low Level Trigger Switch Module for Arduino : Electronics
ANMBEST Relay Module with Optocoupler High/Low Level Trigger for Arduino (3, 3V Relay 1 Channel): Amazon.com: Industrial & Scientific
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: SainSmart 8-Channel Relay Module : Everything Else
2Pcs 5V Relay Module 1 Channel Relais Board Shield KY 019 One Channel Relays for Arduino PIC AVR DSP ARM|Relays| - AliExpress
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
![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")