ELEGOO Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi – ELEGOO Official
Amazon.com: HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger : Industrial & Scientific
Amazon.com: SainSmart 4-Channel Relay Module : Automotive
ELEGOO 4 Channel DC 5V Modulo Relay con Accoppiatore Ottico per UNO R3 Mega 1280 DSP Arm PIC AVR Raspberry Pi : Amazon.it: Informatica
ANMBEST Relay Module with Optocoupler High/Low Level Trigger for Arduino (3, 3V Relay 1 Channel): Amazon.com: Industrial & Scientific
Tzt 5v 1 2 4 6 8 Channel Relay Module With Optocoupler. Relay Output 1 /2 /4 /6 / 8 Way Relay Module 12v 24v For Arduino Blue - Integrated Circuits - AliExpress
Amazon.com: AITRIP 4 Channel 5V Solid State Relay Module Board High Level Trigger Compatible with Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC : Industrial & Scientific
Amazon.com: ARCELI 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Relay : Electronics
Amazon.com: SainSmart 4-Channel Relay Module : Automotive
Amazon.com: SainSmart 2-Channel Relay Module : Automotive
Amazon.com: LGDehome 2pcs DC 5V 4 Channel Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
Amazon.com: KEYESTUDIO 5V DCAC 4-Channel Relay Hat Shield Module Expansion Board for Raspberry Pi 4/A+/B+/Pi 2 Model B/Pi 3 Model B : Electronics
JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics - Amazon.com
Scheda relè a 4 canali per relè con optoaccoppiatore Scheda di espansione trigger a basso livello per Arduino 5V / 12V / 24V(5V) : Amazon.it: Fai da te
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
SunFounder Lab Modulo 4 Relè 5V 4 Channels Relay Module Compatible with Arduino R3 1280 Arm PIC AVR STM32 : Amazon.it: Fai da te
Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
Amazon.com: Ethernet Controller Network Web Server + 16-Channel Relay Module with RJ45 Interface for Controlling Lights, and Refrigerator : Electronics
Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
4 Relay Module 5V opto-isolated
![Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/710lO84lESL.jpg "Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific")
Arduino 4 Relays Shield [A000110]: Amazon.com: Industrial & Scientific
Amazon.com: Tolako 5V 2 Channel Solid State Relay 2CH SSR Module for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC (2CH) : Industrial & Scientific
Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
Arduino Relay Tutorial - Control High Voltage Devices with Arduino
