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Best 4 Channel Dc 5v Relay Module For Arduino Raspberry Pi Dsp Avr Pic Arm of 2026
Last updated on 07/01/2026
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1
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.
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9.8
Exceptional
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9.8
Exceptional
kwmobile
kwmobile 2 Channel Relay Module - 5V Relay Board for Arduino Raspberry Pi with Optocoupler - Pack of 3
Check Price
Show More
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.
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Value for Money
2
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
9% 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.
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9.8
Exceptional
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9.8
Exceptional
ELEGOO
ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA R3 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi
9% Off
Check Price
Show More
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.
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3
SunFounder 4 Channel 5V Relay Module compatible with Arduino R3 MEGA 1280 DSP ARM PIC AVR STM32 Raspberry Pi
SUNFOUNDER
Why we love it
Controls appliances with large current.
Compatible with various microcontrollers.
Easy installation and fixation.
Main Highlights
This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current, each one needs 15-20mA Driver Current
Equiped with high-current relay, the maximum output of the relay: DC 30V/10A, AC 250V/10A
Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
There are four fixed screw holes at each corner of the board, easy for install and fix. The diameter of the hole is 3.1mm. Indication LED’s for Relay output status
Note: This item is suitable for 14 years ond older
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9.8
Exceptional
Check Price
9.8
Exceptional
SUNFOUNDER
SunFounder 4 Channel 5V Relay Module compatible with Arduino R3 MEGA 1280 DSP ARM PIC AVR STM32 Raspberry Pi
Check Price
Show More
Why we love it
Controls appliances with large current.
Compatible with various microcontrollers.
Easy installation and fixation.
Main Highlights
This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current, each one needs 15-20mA Driver Current
Equiped with high-current relay, the maximum output of the relay: DC 30V/10A, AC 250V/10A
Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
There are four fixed screw holes at each corner of the board, easy for install and fix. The diameter of the hole is 3.1mm. Indication LED’s for Relay output status
Note: This item is suitable for 14 years ond older
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4
Yizhet 5V 8 Channel-Relay, DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic
Yizhet
Why we love it
Durable hard PCB construction.
Directly compatible with microcontrollers.
Indication LED for status monitoring.
Main Highlights
New 5V relay module, 8 Channel, Material: Durable hard PCB.
DC 5V 8 Channel Relay interface board, and each one needs 15-20mA Driver Current.
5v 8 channel relay module equiped with high-current relay, AC250V 10A; DC30V 10A.
Standard interface that can be controlled directly by microcontroller such as Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, PLC, TTL logic
8 channel relay module with indication LED's for Relay output status.
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9.8
Exceptional
Check Price
9.8
Exceptional
Yizhet
Yizhet 5V 8 Channel-Relay, DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic
Check Price
Show More
Why we love it
Durable hard PCB construction.
Directly compatible with microcontrollers.
Indication LED for status monitoring.
Main Highlights
New 5V relay module, 8 Channel, Material: Durable hard PCB.
DC 5V 8 Channel Relay interface board, and each one needs 15-20mA Driver Current.
5v 8 channel relay module equiped with high-current relay, AC250V 10A; DC30V 10A.
Standard interface that can be controlled directly by microcontroller such as Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, PLC, TTL logic
8 channel relay module with indication LED's for Relay output status.
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5
AOICRIE 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi
AOICRIE
Why we love it
Versatile for various microcontrollers.
Safe with working status indicators.
High current handling capability.
Main Highlights
This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.
Standard interface can be directly connected with for microcontrollers.
Working status indicator lights are conducive to the safe use
4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as for Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current.
Widely used for all MCU control, industrial sector, PLC control, smart home control.
Show More
9.7
Exceptional
Check Price
9.7
Exceptional
AOICRIE
AOICRIE 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi
Check Price
Show More
Why we love it
Versatile for various microcontrollers.
Safe with working status indicators.
High current handling capability.
Main Highlights
This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.
Standard interface can be directly connected with for microcontrollers.
Working status indicator lights are conducive to the safe use
4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as for Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current.
Widely used for all MCU control, industrial sector, PLC control, smart home control.
Show More
6
Gasea 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi
Gasea
Why we love it
Compatible with various microcontrollers.
Active low for safety use.
Controls high current appliances easily.
Main Highlights
4-Channel Relay Board – Compatible with Arduino, Raspberry Pi, AVR, PIC, ARM, PLC, and other microcontrollers for easy integration.
5V Active Low Design – Features optocoupler isolation and indicator lights for reliable and safe operation in DIY electronics projects.
High Power Output Capacity – Supports AC 250V 10A and DC 30V 10A loads, with each channel requiring only 50–60mA driver current.
Appliance & Equipment Control – Connects directly to microcontrollers, enabling control of motors, lights, fans, pumps, and other high-current devices.
Wide Application Use – Ideal for MCU control, industrial automation, PLC systems, robotics, and smart home projects.
Show More
9.7
Exceptional
Check Price
9.7
Exceptional
Gasea
Gasea 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi
Check Price
Show More
Why we love it
Compatible with various microcontrollers.
Active low for safety use.
Controls high current appliances easily.
Main Highlights
4-Channel Relay Board – Compatible with Arduino, Raspberry Pi, AVR, PIC, ARM, PLC, and other microcontrollers for easy integration.
5V Active Low Design – Features optocoupler isolation and indicator lights for reliable and safe operation in DIY electronics projects.
High Power Output Capacity – Supports AC 250V 10A and DC 30V 10A loads, with each channel requiring only 50–60mA driver current.
Appliance & Equipment Control – Connects directly to microcontrollers, enabling control of motors, lights, fans, pumps, and other high-current devices.
Wide Application Use – Ideal for MCU control, industrial automation, PLC systems, robotics, and smart home projects.
Show More
7
GERUI 7pcs 5V KY-019 1-Channel Relay Module Board Shield High Level Trigger for Arduino, Raspberry Pi, PIC, AVR, DSP, ARM
GERUI
Why we love it
Compact size fits various projects.
LED indicators show relay status.
Reliable switching operations ensured.
Main Highlights
The relay module is used to control AC circuits and switches them on or off for max. 50V AC / 5A or 30V DC / 5A.
The 4-channel relay module is equipped with transistors, diodes and optocouplers to ensure higher loads. Thanks to its compact size, the 1-channel relay can be used in almost any project.
Each channel of the module is additionally connected to an LED that indicates the switching state of the relay, each group has a simple 3-wire structure for output, with 6 reserved output terminals.
The relay can not only be used as a single-chip development board module, but also the module is equipped with a generously sized relay to reliably perform many switching operations.
Full SMT components, most reasonable drive circuit design, with 8050 transistor to drive relay action. The KY-019 relay is used to control AC circuits.
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9.7
Exceptional
Check Price
9.7
Exceptional
GERUI
GERUI 7pcs 5V KY-019 1-Channel Relay Module Board Shield High Level Trigger for Arduino, Raspberry Pi, PIC, AVR, DSP, ARM
Check Price
Show More
Why we love it
Compact size fits various projects.
LED indicators show relay status.
Reliable switching operations ensured.
Main Highlights
The relay module is used to control AC circuits and switches them on or off for max. 50V AC / 5A or 30V DC / 5A.
The 4-channel relay module is equipped with transistors, diodes and optocouplers to ensure higher loads. Thanks to its compact size, the 1-channel relay can be used in almost any project.
Each channel of the module is additionally connected to an LED that indicates the switching state of the relay, each group has a simple 3-wire structure for output, with 6 reserved output terminals.
The relay can not only be used as a single-chip development board module, but also the module is equipped with a generously sized relay to reliably perform many switching operations.
Full SMT components, most reasonable drive circuit design, with 8050 transistor to drive relay action. The KY-019 relay is used to control AC circuits.
Show More
8
Bestgle 2 Pack 4-Channel Relay Module DC 12V with Optocoupler, Relay Board for Arduino UNO R3, MEGA R3, STM32, Raspberry Pi, DSP, ARM, PIC, AVR & Smart Home Projects
Bestgle
Why we love it
Versatile for various applications.
Easy integration with microcontrollers.
Indicator lights enhance safety.
Main Highlights
4-Channel Relay Module 12V – Features 4 independent relays with DC 12V power supply, supporting load voltage up to AC 250V 10A / DC 30V 10A, ideal for switching applications.
Microcontroller Compatible Relay Board – Designed with a standard interface, this relay module can be directly connected to Arduino, Raspberry Pi, STM32, PIC, AVR, and ARM microcontrollers.
Relay Module with Indicator Lights – Equipped with working status LED indicators, making it easy to monitor relay activity and ensuring safe and reliable operation.
Optocoupler Isolation for Stable Performance – The relay interface board uses optocoupler isolation to improve signal stability, reduce interference, and protect your microcontroller projects.
Versatile Applications for Control Systems – Widely used in MCU control, PLC control, industrial automation, smart home projects, DIY electronics, and robotics, making it a must-have relay module kit.
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9.5
Superb
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9.5
Superb
Bestgle
Bestgle 2 Pack 4-Channel Relay Module DC 12V with Optocoupler, Relay Board for Arduino UNO R3, MEGA R3, STM32, Raspberry Pi, DSP, ARM, PIC, AVR & Smart Home Projects
Check Price
Show More
Why we love it
Versatile for various applications.
Easy integration with microcontrollers.
Indicator lights enhance safety.
Main Highlights
4-Channel Relay Module 12V – Features 4 independent relays with DC 12V power supply, supporting load voltage up to AC 250V 10A / DC 30V 10A, ideal for switching applications.
Microcontroller Compatible Relay Board – Designed with a standard interface, this relay module can be directly connected to Arduino, Raspberry Pi, STM32, PIC, AVR, and ARM microcontrollers.
Relay Module with Indicator Lights – Equipped with working status LED indicators, making it easy to monitor relay activity and ensuring safe and reliable operation.
Optocoupler Isolation for Stable Performance – The relay interface board uses optocoupler isolation to improve signal stability, reduce interference, and protect your microcontroller projects.
Versatile Applications for Control Systems – Widely used in MCU control, PLC control, industrial automation, smart home projects, DIY electronics, and robotics, making it a must-have relay module kit.
Show More
9
Yizhet Relay 5V 4 Channel, DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (4 Channel)
Yizhet
Why we love it
Durable hard PCB construction.
High-current relay capabilities.
Compatible with various microcontrollers.
Main Highlights
New 5V relay module, 4 Channel, Material: Durable hard PCB.
DC5V 4 channel relay module interface board, and each one needs 15-20mA Driver Current.
5v relay board equiped with high-current relay, AC250V 10A; DC30V 10A.
Standard interface that can be controlled directly by microcontroller such as Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, PLC, TTL logic
4 channel relay 5v with indication LED's for Relay output status.
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9.4
Superb
Check Price
9.4
Superb
Yizhet
Yizhet Relay 5V 4 Channel, DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (4 Channel)
Check Price
Show More
Why we love it
Durable hard PCB construction.
High-current relay capabilities.
Compatible with various microcontrollers.
Main Highlights
New 5V relay module, 4 Channel, Material: Durable hard PCB.
DC5V 4 channel relay module interface board, and each one needs 15-20mA Driver Current.
5v relay board equiped with high-current relay, AC250V 10A; DC30V 10A.
Standard interface that can be controlled directly by microcontroller such as Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, PLC, TTL logic
4 channel relay 5v with indication LED's for Relay output status.
Show More
10
Relay Module 4 Channel Dc 5v Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino UNO R3 MEGA Project 1280 DSP ARM PIC AVR STM32 TTL Logic High or Low Level Trigger Expansion
TIANXUAN
8% Off
Why we love it
Heavy-duty switching for reliability.
Advanced isolation protects circuits.
Dual trigger modes for flexibility.
Main Highlights
10A Heavy-Duty Switching – Each main relay control module handles 10A@250V AC or 30V DC loads (motors, lights, appliances). Industrial-grade contacts rated for 100,000+ operations with LED status indicators.
4000V Optocoupler Isolation – Relay module 4 channel dc 5v advanced optical isolation protects microcontrollers from voltage spikes/EMI. Maintains relay state during signal loss for fail-safe operation.
Dual Trigger Modes – Dual channel relay board jumper-selectable high/low level triggering (5V/5mA) compatible with 3.3V-5V logic (for Raspberry Pi, Arduino). No logic converter needed.
Universal Microcontroller Support – Marine relay control module plug-and-play with for Arduino UNO R3, MEGA, STM32, PIC, AVR. Standard 5V TTL logic works with 3.3V systems when externally powered.
Professional-Grade Applications – Relay power controller module ideal for smart home automation, PLC systems, IoT prototypes, and industrial controls.
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9.3
Superb
Check Price
9.3
Superb
TIANXUAN
Relay Module 4 Channel Dc 5v Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino UNO R3 MEGA Project 1280 DSP ARM PIC AVR STM32 TTL Logic High or Low Level Trigger Expansion
8% Off
Check Price
Show More
Why we love it
Heavy-duty switching for reliability.
Advanced isolation protects circuits.
Dual trigger modes for flexibility.
Main Highlights
10A Heavy-Duty Switching – Each main relay control module handles 10A@250V AC or 30V DC loads (motors, lights, appliances). Industrial-grade contacts rated for 100,000+ operations with LED status indicators.
4000V Optocoupler Isolation – Relay module 4 channel dc 5v advanced optical isolation protects microcontrollers from voltage spikes/EMI. Maintains relay state during signal loss for fail-safe operation.
Dual Trigger Modes – Dual channel relay board jumper-selectable high/low level triggering (5V/5mA) compatible with 3.3V-5V logic (for Raspberry Pi, Arduino). No logic converter needed.
Universal Microcontroller Support – Marine relay control module plug-and-play with for Arduino UNO R3, MEGA, STM32, PIC, AVR. Standard 5V TTL logic works with 3.3V systems when externally powered.
Professional-Grade Applications – Relay power controller module ideal for smart home automation, PLC systems, IoT prototypes, and industrial controls.
Show More
