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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
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DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
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Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
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Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
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Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$11.99
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
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Amazon.com
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KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
Amazon.com
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KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
Amazon.com
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A000067 ARDUINO - Components & Relay PC Board Mount Supplies
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2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
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2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
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Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
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Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
AliExpress
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Velleman 5V Relay Module Arduino Compatible By Whadda
Jameco Electronics
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Velleman 5V Relay Module Arduino Compatible By Whadda
Jameco Electronics
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A000052 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
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5V 12V 24V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Relay Module For Arduino
Aliexpress
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5V 12V 24V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Relay Module For Arduino
Aliexpress
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TSX00003 ARDUINO - Panel Accessories & Relay/Socket Supplies
Radwell.com
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Radwell.com
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5 V 2 Channel Relay Module Arduino Pi Arm Avr Dsp Pic Umt Media®
Everymarket INC
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5 V 2 Channel Relay Module Arduino Pi Arm Avr Dsp Pic Umt Media®
Everymarket INC
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3Pcs 5V 4 Channel Relay Module Compatible With Arduino And Other Boards
Evalm
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3Pcs 5V 4 Channel Relay Module Compatible With Arduino And Other Boards
Evalm
Arduino Relay Module Tutorial - From Beginner to PRO
1:58
YouTubeHuHamster
Arduino Relay Module Tutorial - From Beginner to PRO
🔌 Buy a Relay Module: 🟥 Amazon: https://cutt.ly/hr15BQia 🟧 AliExpress: https://cutt.ly/nrnRIZpG 📂 Download Firmware: https://cutt.ly/LrnRO7tc In this video, you'll learn everything about relay modules! What is a relay and how does it work? ⚡ How to connect it to Arduino? 🔧 How to use it to control high-power devices? Relays are ...
40.7K viewsFeb 7, 2025
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8 Channel Relay Module - Complete Arduino Guide! ⚡🔌
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How to operate a relay module with the Arduino UNO board #arduino #srituhobby ‪@sritu_hobby‬
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Shop arduino relay board

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$24.26
A000073 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
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A000073 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
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2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
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2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
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Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
AliExpress
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Velleman 5V Relay Module Arduino Compatible By Whadda
Jameco Electronics
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Velleman 5V Relay Module Arduino Compatible By Whadda
Jameco Electronics
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ABX00017 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
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ABX00017 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
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5V 12V 24V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Relay Module For Arduino
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5V 12V 24V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Relay Module For Arduino
Aliexpress
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TSX00003 ARDUINO - Panel Accessories & Relay/Socket Supplies
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DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
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DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
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5 V 2 Channel Relay Module Arduino Pi Arm Avr Dsp Pic Umt Media®
Everymarket INC
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5 V 2 Channel Relay Module Arduino Pi Arm Avr Dsp Pic Umt Media®
Everymarket INC
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3Pcs 5V 4 Channel Relay Module Compatible With Arduino And Other Boards
Evalm
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3Pcs 5V 4 Channel Relay Module Compatible With Arduino And Other Boards
Evalm

Shop arduino relay board

Sponsored
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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$2.70
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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$2.70
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
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Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
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Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$11.99
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
Amazon.com
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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
Amazon.com
$29.99
KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
Amazon.com
$29.99
KRIDA Electronics 8 Channel I2C Interface Relay Module For Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch
Amazon.com
$35.55
A000067 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$35.55
A000067 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$41.45
A000062 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$41.45
A000062 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$24.26
A000073 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$24.26
A000073 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$2.10
$5.99
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
64% off
$2.10
$5.99
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$54.99
Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
Amazon.com
Free shipping
$54.99
Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
Amazon.com
$25.13
TSX00005 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$25.13
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Radwell.com
$39.00
A100053 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$39.00
A100053 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$3.76
$7.69
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
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AliExpress
64% off
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
AliExpress