Best Arduino Relay Breadboard of 2026

Last updated on 29/01/2026

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AZDelivery 4 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board compatible with Arduino Including E-Book! (Pack of 5)

AZDelivery 4 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board compatible with Arduino Including E-Book! (Pack of 5)

Perfect for DIY projects.
Drives multiple devices effectively.
Includes helpful E-Book guide.

Main Highlights

✅ AZ-Delivery 4 Relay 5V Module with Optocoupler Low Level Trigger compatible is perfect for all different DIY projects and is 100% compatible.
✅ This 5V 4-channel relay module with optocouplers is perfect for driving up to 4 devices with larger current.
✅ The 4 channel relay module is equipped with high current relay and standard screw terminals, which can be controlled directly by the microcontroller.
✅ Dimensions of the AZ-Delivery 5V 4 Relay Module with Optocoupler Low Level Trigger are approximately (L x W x H): 76 mm x 56 mm x 19 mm.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

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AZDelivery 4 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board compatible with Arduino Including E-Book! (Pack of 5)

Perfect for DIY projects.
Drives multiple devices effectively.
Includes helpful E-Book guide.

Main Highlights

✅ AZ-Delivery 4 Relay 5V Module with Optocoupler Low Level Trigger compatible is perfect for all different DIY projects and is 100% compatible.
✅ This 5V 4-channel relay module with optocouplers is perfect for driving up to 4 devices with larger current.
✅ The 4 channel relay module is equipped with high current relay and standard screw terminals, which can be controlled directly by the microcontroller.
✅ Dimensions of the AZ-Delivery 5V 4 Relay Module with Optocoupler Low Level Trigger are approximately (L x W x H): 76 mm x 56 mm x 19 mm.
✅ This product includes an E-Book that provides useful information on how to begin your project, it helps with a quick setup and saves time on the configuration process. We provide an array of application examples, full installation guides and libraries.

Value for Money

SUNFOUNDER Electronics Fun Kit with 1602 LCD Module, Breadboard, LED, Resistor for Arduino UNO Mega Gold Raspberry Pi

SUNFOUNDER Electronics Fun Kit with 1602 LCD Module, Breadboard, LED, Resistor for Arduino UNO Mega Gold Raspberry Pi

Comprehensive Arduino/Raspberry Pi kit.
Tutorials accelerate learning process.
Excellent compact storage provided.

Main Highlights

Starter Kit for Arduino or Raspberry Pi - Our starter kit contains over 300 components you need to get started in Arduino or Raspberry Pi programming
Most Expensive Component Kit - Package includes 400 point mockup, 1602 LCD display, servo motors, link wires, DuPont wires, color LCD display and resistors, capacitors, relay, USB cable, horns etc.
21 Lessons on offer - An improved fun electronic kit contains over 20 interesting lessons that will give you a dynamic and creative learning experience
Detailed Instructions - With the detailed PDF tutorial on the CD, you can learn how to code and program faster and easier with all components
GREAT PACKAGING - A nice compact storage container to store all the components of the kit without losing them

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SUNFOUNDER Electronics Fun Kit with 1602 LCD Module, Breadboard, LED, Resistor for Arduino UNO Mega Gold Raspberry Pi

Comprehensive Arduino/Raspberry Pi kit.
Tutorials accelerate learning process.
Excellent compact storage provided.

Main Highlights

Starter Kit for Arduino or Raspberry Pi - Our starter kit contains over 300 components you need to get started in Arduino or Raspberry Pi programming
Most Expensive Component Kit - Package includes 400 point mockup, 1602 LCD display, servo motors, link wires, DuPont wires, color LCD display and resistors, capacitors, relay, USB cable, horns etc.
21 Lessons on offer - An improved fun electronic kit contains over 20 interesting lessons that will give you a dynamic and creative learning experience
Detailed Instructions - With the detailed PDF tutorial on the CD, you can learn how to code and program faster and easier with all components
GREAT PACKAGING - A nice compact storage container to store all the components of the kit without losing them

DODUOS Basic Starter Kit for ESP32 ESP-32S WiFi I OT Development Board with Arduino IDE, ESP32 Kit Bread Board Electronic Kit, Breadboard Kit for Beginners, Electronics Component Fun Kit

DODUOS Basic Starter Kit for ESP32 ESP-32S WiFi I OT Development Board with Arduino IDE, ESP32 Kit Bread Board Electronic Kit, Breadboard Kit for Beginners, Electronics Component Fun Kit

Ideal for electronics beginners.
Rich tutorials for easy learning.
Great for STEM education fun.

Main Highlights

【Ideal for Beginners】: ESP32 starter kit is an ESP32 development kit specially designed for beginners, making it easy to get started with electronics and programming.
【Rich Tutorial Resources】: Bread board electronic kit provides code examples to facilitate programming learning. Electronics component fun kit teaches you step-by-step how to assemble the kit and control various modules.
【STEM Starter Kit】: ESP32 starter kit is a very cost-effective and fun STEM educational electronics starter kit. Breadboard kit features an ESP32 ESP-32S WiFi board, HC-SR501 PIR sensor module, 5V 2-channel relay module, 128X64 OLED module, and more.
【Thermal Sensor Integration】: Electronic components kit uses popular microcontrollers and thermal sensors, meeting the diverse needs of students and beginners.
【Compatibility】: Starter kit breadboard set contains the ESP32 ESP-32S WIFI module, compatible with the Arduino IDE, supporting Internet of Things (IoT) development.

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DODUOS Basic Starter Kit for ESP32 ESP-32S WiFi I OT Development Board with Arduino IDE, ESP32 Kit Bread Board Electronic Kit, Breadboard Kit for Beginners, Electronics Component Fun Kit

Ideal for electronics beginners.
Rich tutorials for easy learning.
Great for STEM education fun.

Main Highlights

【Ideal for Beginners】: ESP32 starter kit is an ESP32 development kit specially designed for beginners, making it easy to get started with electronics and programming.
【Rich Tutorial Resources】: Bread board electronic kit provides code examples to facilitate programming learning. Electronics component fun kit teaches you step-by-step how to assemble the kit and control various modules.
【STEM Starter Kit】: ESP32 starter kit is a very cost-effective and fun STEM educational electronics starter kit. Breadboard kit features an ESP32 ESP-32S WiFi board, HC-SR501 PIR sensor module, 5V 2-channel relay module, 128X64 OLED module, and more.
【Thermal Sensor Integration】: Electronic components kit uses popular microcontrollers and thermal sensors, meeting the diverse needs of students and beginners.
【Compatibility】: Starter kit breadboard set contains the ESP32 ESP-32S WIFI module, compatible with the Arduino IDE, supporting Internet of Things (IoT) development.

Miuzei Starter Kit for Arduino R3 projects without microcontroller, 235 components with 58 lessons, LC display, breadboard, sensors, relays, GPIO extension, Compatible with Arduino/Raspberry Pi

Miuzei Starter Kit for Arduino R3 projects without microcontroller, 235 components with 58 lessons, LC display, breadboard, sensors, relays, GPIO extension, Compatible with Arduino/Raspberry Pi

Offers extensive DIY learning resources.
All-inclusive kit with crucial components.
Enhances future soldering projects.

Main Highlights

More than 235 components (microcontroller board not included), DIY projects for learning how to and programming with Arduino and Raspberry Pi.
Contains important components such as LC display 1602, resistors, LEDs, sensors, relays, breadboard, power supply module, GPIO extension, etc.
The components are already soldered, and all modules can be connected using a pin header. The three "double-sided PCB boards" can be used to your further projects that require soldering.
The 58 Lessons include 26 Arduino lessons and 32 Raspberry Pi lessons (instructions in English). Product Tutorial: http://geekdiywiki.com/miuzei
High-quality box with electrostatic bags, you can put everything you don't need in it.

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Miuzei Starter Kit for Arduino R3 projects without microcontroller, 235 components with 58 lessons, LC display, breadboard, sensors, relays, GPIO extension, Compatible with Arduino/Raspberry Pi

Offers extensive DIY learning resources.
All-inclusive kit with crucial components.
Enhances future soldering projects.

Main Highlights

More than 235 components (microcontroller board not included), DIY projects for learning how to and programming with Arduino and Raspberry Pi.
Contains important components such as LC display 1602, resistors, LEDs, sensors, relays, breadboard, power supply module, GPIO extension, etc.
The components are already soldered, and all modules can be connected using a pin header. The three "double-sided PCB boards" can be used to your further projects that require soldering.
The 58 Lessons include 26 Arduino lessons and 32 Raspberry Pi lessons (instructions in English). Product Tutorial: http://geekdiywiki.com/miuzei
High-quality box with electrostatic bags, you can put everything you don't need in it.

5x7CM Double Side Prototype Board Breadboard Protoshield For Arduino Relay ESP8266 WIFI ESP-12F ESP-12E ESP32 ESP32S

5x7CM Double Side Prototype Board Breadboard Protoshield For Arduino Relay ESP8266 WIFI ESP-12F ESP-12E ESP32 ESP32S

Main Highlights

5x7CM Double Side Prototype Board Breadboard Protoshield For Arduino Relay ESP8266 WIFI ESP-12F ESP-12E ESP32 ESP32S

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5x7CM Double Side Prototype Board Breadboard Protoshield For Arduino Relay ESP8266 WIFI ESP-12F ESP-12E ESP32 ESP32S

Main Highlights

5x7CM Double Side Prototype Board Breadboard Protoshield For Arduino Relay ESP8266 WIFI ESP-12F ESP-12E ESP32 ESP32S

Hailege 2pcs 12V 1 Channel Relay Module Relay Switch With Optocoupler Isolation Support High or Low Level Trigger

Hailege 2pcs 12V 1 Channel Relay Module Relay Switch With Optocoupler Isolation Support High or Low Level Trigger

High-quality relay ensures reliability.
Optocoupler ensures stable performance.
User-friendly interface for convenience.

Main Highlights

Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A
Using optocoupler chip isolation, strong drive capability, stable performance; trigger current 5mA
Module can be set by jumper high or low trigger
Fault-tolerant design, even if the control line is broken, the relay will not move
The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient

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Hailege 2pcs 12V 1 Channel Relay Module Relay Switch With Optocoupler Isolation Support High or Low Level Trigger

High-quality relay ensures reliability.
Optocoupler ensures stable performance.
User-friendly interface for convenience.

Main Highlights

Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A
Using optocoupler chip isolation, strong drive capability, stable performance; trigger current 5mA
Module can be set by jumper high or low trigger
Fault-tolerant design, even if the control line is broken, the relay will not move
The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient

ELEGOO Relay Module 4 Channel DC 5V with Optocoupler for Arduino UNO R3 MEGA Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi

ELEGOO Relay Module 4 Channel DC 5V with Optocoupler for Arduino UNO R3 MEGA Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi

Versatile compatibility with microcontrollers.
Ideal for smart home applications.
Clear indicators for safe operation.

Main Highlights

5V Active Low Operation: This relay module operates at 5V and should not be powered by 3.3V, as it may not drive the relays effectively. Ensure the power supply current exceeds 1A for reliable performance.
High Current Handling: Each relay can handle maximum contact ratings of AC250V 10A and DC30V 10A, making it suitable for controlling various appliances and devices requiring high current. Working status indicator lights are conducive for the safety use
Standard Microcontroller Interface: Features a standard interface for direct connections with microcontrollers such as Arduino IDE, Raspberry Pi, STM32, AVR, PIC, and ARM, allowing for easy integration into projects.
GPIO Low-Level Logic Control: This 4-channel relay module utilizes low-level logic voltage to drive the relays, which reduces power consumption and protects the control board from damage. This allows ESP32 and Raspberry Pi GPIOs to directly control the relays without the need for external transistors or logic-level converters.
Applications: Widely used for all MCU control, industrial sector, PLC control, smart home control.

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ELEGOO Relay Module 4 Channel DC 5V with Optocoupler for Arduino UNO R3 MEGA Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi

Versatile compatibility with microcontrollers.
Ideal for smart home applications.
Clear indicators for safe operation.

Main Highlights

5V Active Low Operation: This relay module operates at 5V and should not be powered by 3.3V, as it may not drive the relays effectively. Ensure the power supply current exceeds 1A for reliable performance.
High Current Handling: Each relay can handle maximum contact ratings of AC250V 10A and DC30V 10A, making it suitable for controlling various appliances and devices requiring high current. Working status indicator lights are conducive for the safety use
Standard Microcontroller Interface: Features a standard interface for direct connections with microcontrollers such as Arduino IDE, Raspberry Pi, STM32, AVR, PIC, and ARM, allowing for easy integration into projects.
GPIO Low-Level Logic Control: This 4-channel relay module utilizes low-level logic voltage to drive the relays, which reduces power consumption and protects the control board from damage. This allows ESP32 and Raspberry Pi GPIOs to directly control the relays without the need for external transistors or logic-level converters.
Applications: Widely used for all MCU control, industrial sector, PLC control, smart home control.

DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

Versatile for various applications.
Reliable control for electronics.
Strong output drive capacity.

Main Highlights

This relay module is designed to control AC circuits by switching them ON or OFF in response to signals from microcontrollers like for Arduino or Raspberry Pi.
It has an output drive capacity of 10A 250V AC, 10A 125V AC, 10A 30V DC, and 10A 28V DC, with an operating voltage of 5V.
The design advantage includes the use of an 8050 Triode to increase relay coil drive, as well as a pull-down circuit on the control pin to prevent false actions.
This relay module can be used as a single-chip development board module or as a controller for home appliances.
It finds wide applications in IoT projects for controlling lights and other electronic devices, as well as in remote controls, communication systems, mechatronic devices, and powerful electronics devices.

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DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

Versatile for various applications.
Reliable control for electronics.
Strong output drive capacity.

Main Highlights

This relay module is designed to control AC circuits by switching them ON or OFF in response to signals from microcontrollers like for Arduino or Raspberry Pi.
It has an output drive capacity of 10A 250V AC, 10A 125V AC, 10A 30V DC, and 10A 28V DC, with an operating voltage of 5V.
The design advantage includes the use of an 8050 Triode to increase relay coil drive, as well as a pull-down circuit on the control pin to prevent false actions.
This relay module can be used as a single-chip development board module or as a controller for home appliances.
It finds wide applications in IoT projects for controlling lights and other electronic devices, as well as in remote controls, communication systems, mechatronic devices, and powerful electronics devices.

WINGONEER 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for arduino Relay

WINGONEER 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for arduino Relay

Versatile for various projects.
Easy to integrate with Arduino.
High-quality, brand new modules.

Main Highlights

Name:Arduino kits module
5V relay module 1 way relay module ARDUINO
New 5V relay module
This product contains 5 modules
100% brand new

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WINGONEER 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for arduino Relay

Versatile for various projects.
Easy to integrate with Arduino.
High-quality, brand new modules.

Main Highlights

Name:Arduino kits module
5V relay module 1 way relay module ARDUINO
New 5V relay module
This product contains 5 modules
100% brand new

RUNCCI-YUN 1 pcs 24V 4-Channel relay module with Optocoupler 4-Channel Relay Board,High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

RUNCCI-YUN 1 pcs 24V 4-Channel relay module with Optocoupler 4-Channel Relay Board,High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

Main Highlights

✔This is an isolated 4-channel relay module (24 V, 10 A). Each relay can be individually switched on and off via an opto-isolated digital input. The standard interface allows direct connection to microcontrollers and control by a wide variety of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc. – very convenient.
✔Equipped with a high-current relay, maximum load: AC 250 V, 10 A, 15 A, 125 V AC, DC 30 V, 10 A; optocoupler trigger current: 5 mA.
✔RELIABLE: Fault-tolerant design, even if the control line is interrupted, the relay remains de-energized. The optical coupling ensures more reliable and stable triggering.
✔EASY TO INSTALL: Equipped with a screw-on terminal block and fixed bolt holes (diameter: 3.1 mm) on both sides for easy installation.
✔High/low-level trigger selectable via jumper. Very versatile, you can reverse the input logic with the jumper.

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RUNCCI-YUN 1 pcs 24V 4-Channel relay module with Optocoupler 4-Channel Relay Board,High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

Main Highlights

✔This is an isolated 4-channel relay module (24 V, 10 A). Each relay can be individually switched on and off via an opto-isolated digital input. The standard interface allows direct connection to microcontrollers and control by a wide variety of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc. – very convenient.
✔Equipped with a high-current relay, maximum load: AC 250 V, 10 A, 15 A, 125 V AC, DC 30 V, 10 A; optocoupler trigger current: 5 mA.
✔RELIABLE: Fault-tolerant design, even if the control line is interrupted, the relay remains de-energized. The optical coupling ensures more reliable and stable triggering.
✔EASY TO INSTALL: Equipped with a screw-on terminal block and fixed bolt holes (diameter: 3.1 mm) on both sides for easy installation.
✔High/low-level trigger selectable via jumper. Very versatile, you can reverse the input logic with the jumper.

We scanned 484 products

We reviewed these offers relevant to the Arduino Relay Breadboard within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like AZDelivery, SUNFOUNDER, DODUOS, Miuzei, Casetlong, Hailege, ELEGOO, DollaTek, WINGONEER, RUNCCI-YUN, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Arduino Relay Breadboard in the market, we considered we took a deep dive into 2421 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is AZDelivery 4 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board compatible with Arduino Including E-Book! (Pack of 5). We love many things about this product by AZDelivery. What sets it apart from the competition is Perfect for DIY projects. , Drives multiple devices effectively. , Includes helpful E-Book guide. .
The best value product for most shoppers and where user satisfaction is continuously the highest is SUNFOUNDER Electronics Fun Kit with 1602 LCD Module, Breadboard, LED, Resistor for Arduino UNO Mega Gold Raspberry Pi by SUNFOUNDER based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Arduino Relay Breadboard and the best cost-to-value ratio is ELEGOO Relay Module 4 Channel DC 5V with Optocoupler for Arduino UNO R3 MEGA Project 1280 DSP ARM PIC AVR STM32 Raspberry Piat ELEGOO with a 15% discount.
Our list of the best Arduino Relay Breadboard is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.