Best Arduino Relay Breadboard of 2026

Last updated on 04/04/2026

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RUNCCI-YUN 10pcs Relay Module DC 24V 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger for Arduino

RUNCCI-YUN 10pcs Relay Module DC 24V 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger for Arduino

RUNCCI-YUN

Why we love it

Reliable fault-tolerant design.
Easy wiring with screw terminals.
Compatible with multiple devices.

Main Highlights

✔【24V Relay Module】 Operating voltage: DC 24 V; Maximum load: AC 250 V/10 A, DC 30 V/10 A; Optocoupler operating current: 5 mA
✔【Fault-tolerant design】 The relay will not switch even if the control line is interrupted. All relay interfaces can be wired directly via the terminals (NC and NC).
✔【Optocoupler isolation】 The 1-channel relay board uses optocoupler isolation with high drive power and stable performance. The isolation circuit prevents damage to the I/O ports caused by relay switching current.
✔【Jumper design】 The relay module features a jumper that allows you to change the device state when the signal is high or low. It has screw terminals for relay (NC, C, NO) and input. Coil +, Coil -, and Trigger
✔【Versatile】DC 24V relay module works well with ARM / PIC / AVR / MCU / Raspberry Pi / CNC machine / PS4, etc.

9.7

Exceptional

9.7

Exceptional

RUNCCI-YUN

RUNCCI-YUN 10pcs Relay Module DC 24V 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger for Arduino

Why we love it

Reliable fault-tolerant design.
Easy wiring with screw terminals.
Compatible with multiple devices.

Main Highlights

✔【24V Relay Module】 Operating voltage: DC 24 V; Maximum load: AC 250 V/10 A, DC 30 V/10 A; Optocoupler operating current: 5 mA
✔【Fault-tolerant design】 The relay will not switch even if the control line is interrupted. All relay interfaces can be wired directly via the terminals (NC and NC).
✔【Optocoupler isolation】 The 1-channel relay board uses optocoupler isolation with high drive power and stable performance. The isolation circuit prevents damage to the I/O ports caused by relay switching current.
✔【Jumper design】 The relay module features a jumper that allows you to change the device state when the signal is high or low. It has screw terminals for relay (NC, C, NO) and input. Coil +, Coil -, and Trigger
✔【Versatile】DC 24V relay module works well with ARM / PIC / AVR / MCU / Raspberry Pi / CNC machine / PS4, etc.

Value for Money

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA R3 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA R3 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi

ELEGOO

10% Off

Why we love it

Effortless device control potential.
Flexible relay configurations available.
Safe and reliable operation guaranteed.

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: The 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.
Safe and Reliable: The 8 channels are optically isolated, anti-interference, and widely used for all MCU control, industrial sector, PLC control, smart home control.

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA R3 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi

10% Off

Why we love it

Effortless device control potential.
Flexible relay configurations available.
Safe and reliable operation guaranteed.

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: The 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.
Safe and Reliable: The 8 channels are optically isolated, anti-interference, and widely used for all MCU control, industrial sector, PLC control, smart home control.

kwmobile 2 Channel Relay Module - 5V Relay Board for Arduino Raspberry Pi with Optocoupler - Pack of 3

kwmobile 2 Channel Relay Module - 5V Relay Board for Arduino Raspberry Pi with Optocoupler - Pack of 3

kwmobile

Why we love it

Easy installation and setup.
Compatible with multiple devices.
Real-time relay status display.

Main Highlights

USES: The kwmobile channel relay module can be used for the wireless automation of high voltage devices in your home. For example, you can switch on and off your LED lights, AC and more.
CONVENIENT: The two relay modules are already soldered to a breakout board for easy installation and use and is equipped with high current relay, AC250V 10A; DC30V 10A standard interface, which can be directly operated from the microcontroller.
LED DISPLAY: A display attached to the module allows you to check the relay output status. In addition, there is also optocoupler to regulate voltage outputs from one side so as not to damage components on the other side.
COMPATIBILITY: Made for Arduino, 8051, AVR, PIC,DSP, ARM, ARM, MSP430, TTL-Logik and more.
BASED IN EUROPE: kwmobile is at home in Germany. Since 2012 we offer you a wide range of accessories for your electronic devices.

kwmobile 2 Channel Relay Module - 5V Relay Board for Arduino Raspberry Pi with Optocoupler - Pack of 3

Why we love it

Easy installation and setup.
Compatible with multiple devices.
Real-time relay status display.

Main Highlights

USES: The kwmobile channel relay module can be used for the wireless automation of high voltage devices in your home. For example, you can switch on and off your LED lights, AC and more.
CONVENIENT: The two relay modules are already soldered to a breakout board for easy installation and use and is equipped with high current relay, AC250V 10A; DC30V 10A standard interface, which can be directly operated from the microcontroller.
LED DISPLAY: A display attached to the module allows you to check the relay output status. In addition, there is also optocoupler to regulate voltage outputs from one side so as not to damage components on the other side.
COMPATIBILITY: Made for Arduino, 8051, AVR, PIC,DSP, ARM, ARM, MSP430, TTL-Logik and more.
BASED IN EUROPE: kwmobile is at home in Germany. Since 2012 we offer you a wide range of accessories for your electronic devices.

AZDelivery 16 Channel Relay Module DC 12V with Optocoupler Low Level Trigger Relay Module Board compatible with Arduino Including E-Book!

AZDelivery 16 Channel Relay Module DC 12V with Optocoupler Low Level Trigger Relay Module Board compatible with Arduino Including E-Book!

AZDelivery

Why we love it

Perfect for DIY projects.
Drives multiple high current devices.
Includes helpful E-Book guides.

Main Highlights

✅ AZ-Delivery 16 Relay 12V Module with Optocoupler Low Level Trigger is compatible board with 16 relays for max. 50V AC / 5A or 30V DC / 5A is perfect for all kinds of DIY projects and 100% compatible with several applications.
✅ This 16-channel relay module with optocouplers is perfect for driving up to 16 devices with higher current.
✅ The optocouplers on 16 Relay 12V Module serve to transmit the signals between the two galvanically isolated circuits - e.g. your connected device with a higher current. In addition, a LED display is integrated to read the relay output status.
✅ AZ-Delivery 16-Relay 12V Module with Optocoupler Low Level Trigger is equipped with high current relay which can be controlled directly by the microcontroller.
✅ 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.

AZDelivery 16 Channel Relay Module DC 12V with Optocoupler Low Level Trigger Relay Module Board compatible with Arduino Including E-Book!

Why we love it

Perfect for DIY projects.
Drives multiple high current devices.
Includes helpful E-Book guides.

Main Highlights

✅ AZ-Delivery 16 Relay 12V Module with Optocoupler Low Level Trigger is compatible board with 16 relays for max. 50V AC / 5A or 30V DC / 5A is perfect for all kinds of DIY projects and 100% compatible with several applications.
✅ This 16-channel relay module with optocouplers is perfect for driving up to 16 devices with higher current.
✅ The optocouplers on 16 Relay 12V Module serve to transmit the signals between the two galvanically isolated circuits - e.g. your connected device with a higher current. In addition, a LED display is integrated to read the relay output status.
✅ AZ-Delivery 16-Relay 12V Module with Optocoupler Low Level Trigger is equipped with high current relay which can be controlled directly by the microcontroller.
✅ 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.

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

ELEGOO

18% OffLimited time deal

Why we love it

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.

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

18% OffLimited time deal

Why we love it

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.

VooGenzek 5 PCS 5V KF301 1-Channel Relay Module Board Shield Low Level Trigger for PIC AVR DSP ARM MCU Compatible with Arduino, with LED Indicator

VooGenzek 5 PCS 5V KF301 1-Channel Relay Module Board Shield Low Level Trigger for PIC AVR DSP ARM MCU Compatible with Arduino, with LED Indicator

VooGenzek

Why we love it

Controls various electronic devices.
High output drive capacity.
Versatile for IoT projects.

Main Highlights

Product Function: The relay module KF301 is used to control AC circuits and switches them ON or OFF. It's an electrical switch that responds to the signal received from the microcontroller (like in Arduino or Raspberry Pi).
Output Drive Capacity: 10A 250V AC, 10A 125V AC, 10A 30V DC, 10A 28V DC. Operating Ovltage: 5V/12V.
Design Advantage: Diodes drives to increase the relay coil.
The relay can be used not only as a single-chip development board module, but also as a home appliance controller.
Wide Applications: It is often used in IoT projects to control lights and other electronic devices, such as remote controls, communication, mechatronic devices, powerful electronics devices, etc.

VooGenzek 5 PCS 5V KF301 1-Channel Relay Module Board Shield Low Level Trigger for PIC AVR DSP ARM MCU Compatible with Arduino, with LED Indicator

Why we love it

Controls various electronic devices.
High output drive capacity.
Versatile for IoT projects.

Main Highlights

Product Function: The relay module KF301 is used to control AC circuits and switches them ON or OFF. It's an electrical switch that responds to the signal received from the microcontroller (like in Arduino or Raspberry Pi).
Output Drive Capacity: 10A 250V AC, 10A 125V AC, 10A 30V DC, 10A 28V DC. Operating Ovltage: 5V/12V.
Design Advantage: Diodes drives to increase the relay coil.
The relay can be used not only as a single-chip development board module, but also as a home appliance controller.
Wide Applications: It is often used in IoT projects to control lights and other electronic devices, such as remote controls, communication, mechatronic devices, powerful electronics devices, etc.

DollaTek 8 Channel 5V DC Relay Module Expansion Board for Arduino Raspberry Pi DSP AVR PIC ARM

DollaTek 8 Channel 5V DC Relay Module Expansion Board for Arduino Raspberry Pi DSP AVR PIC ARM

DollaTek

Why we love it

High-current relays for versatility.
Supports multiple microcontroller interfaces.
Indication LEDs for easy monitoring.

Main Highlights

5V 8-Channel Relay interface board, and each one needs 15-20mA Driver Current
Equiped with high-current relay, AC250V 10A ; DC30V 10A
Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
Application：Supports all MCU control, The industrial field, PLC control, Smart home control
Indication LED's for Relay output status

DollaTek 8 Channel 5V DC Relay Module Expansion Board for Arduino Raspberry Pi DSP AVR PIC ARM

Why we love it

High-current relays for versatility.
Supports multiple microcontroller interfaces.
Indication LEDs for easy monitoring.

Main Highlights

5V 8-Channel Relay interface board, and each one needs 15-20mA Driver Current
Equiped with high-current relay, AC250V 10A ; DC30V 10A
Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
Application：Supports all MCU control, The industrial field, PLC control, Smart home control
Indication LED's for Relay output status

Garosa Universal 4 Key Push Button Switch Module, 4 Channel Relay Control Board with Momentary Toggle Switch for DIY Electronics Projects, compatible with Arduino

Garosa Universal 4 Key Push Button Switch Module, 4 Channel Relay Control Board with Momentary Toggle Switch for DIY Electronics Projects, compatible with Arduino

Garosa

Why we love it

High quality electronic components.
Durable and long-lasting design.
Perfect for various microcontrollers.

Main Highlights

brand new and high quality
GND K1 K2 K3 K4" 4 PIN OUT 2.54mm
Can be inserted directly into due,Ideal for linking up to your Mini Nano Breadboard banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.)
4-button Common Cathode key module(When pressed output low level)
Adopted of high quality electronic components, and precision process, ensure for the durability

Garosa Universal 4 Key Push Button Switch Module, 4 Channel Relay Control Board with Momentary Toggle Switch for DIY Electronics Projects, compatible with Arduino

Why we love it

High quality electronic components.
Durable and long-lasting design.
Perfect for various microcontrollers.

Main Highlights

brand new and high quality
GND K1 K2 K3 K4" 4 PIN OUT 2.54mm
Can be inserted directly into due,Ideal for linking up to your Mini Nano Breadboard banana pi etc,or others MCU PLD CPU ( AVR STM32 ARM PIC C51 NRF24LE1 CC2530 MSP430 STM8 FPGA CPLD etc.)
4-button Common Cathode key module(When pressed output low level)
Adopted of high quality electronic components, and precision process, ensure for the durability

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

DollaTek

Why we love it

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.

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

Why we love it

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

WINGONEER

Why we love it

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

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

Why we love it

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

We scanned 1839 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 RUNCCI-YUN, ELEGOO, kwmobile, AZDelivery, VooGenzek, DollaTek, Garosa, WINGONEER, 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 9196 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 RUNCCI-YUN 10pcs Relay Module DC 24V 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger for Arduino. We love many things about this product by RUNCCI-YUN. What sets it apart from the competition is Reliable fault-tolerant design. , Easy wiring with screw terminals. , Compatible with multiple devices. .
The best value product for most shoppers and where user satisfaction is continuously the highest is ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA R3 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi by ELEGOO 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 18% 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.