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It’s hard to know which is good relay board for raspberry pi 4. There are alot of relay board for raspberry pi 4 reviews on internet. In this article we suggest top 10 the best relay board for raspberry pi 4 for you. Please read carefully and choose what is the best relay board for raspberry pi 4 for you.

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Best relay board for raspberry pi 4 reviews

1. JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

Feature

Equiped with high-current relay, AC250V 10A ; DC30V 10A
5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current
Be able to control various appliances, and other equipments with large current
ApplicationSupports all MCU control, The industrial field, PLC control, Smart home control
Indication LED's for Relay output status

2. Electronics-Salon RPi Power Relay Board Expansion Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B

Feature

Supports Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B, the RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.
High quality Panasonic JS1-5V-F power relays, loads up to 10Amp/250VAC, 5Amp 30VDC.
One LED for power and three LEDs for relays status indicating. Darlington transistors circuit driving relay, improve the reliability of action. Relay control jumper, allows to control the relays by custom pins other than the default pins
Terminal blocks: pitch - 5.0mm/0.197", wire size 26~12 AWG / 2.5mm square, stripping length 7mm/0.28", Metric M2.5 slotted screw. 2 x 20 pins expansion pin header, height 10mm/0.39".
Package included: 1x RPi Relay Board, 4x M2.5 14mm brass standoffs, 8x M2.5x4mm metal screws.

3. JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

Feature

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)
Indication LED's for Relay output status

4. XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+

Feature

Raspberry Pi Expansion Board, Power Relay
The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.
Standard Raspberry Pi 40PIN GPIO extension header, Supports Raspberry Pi A+/B+/2B/3B/3B+/4B and later versions
High quality relays, loads up to 5A 250V AC or 5A 30V DC
Photo coupling isolation, prevent interference from high voltage circuit

5. 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

Feature

This shield uses SONGLE relay, providing 4-channel input and output. And works with Raspberry Pi A+/B+/Pi 2 Model B/Pi 3 Model B
All the channels can control up to 24V DC or 250V AC on 10 A
providing installation package, source code and quick start guide PDF
With functional testing, voltage and current testing, all our boards are fully qualified before selling
Adopting environmental-friendly raw materials, passed the United States FCC certification and the EU CE certification

6. Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy

Feature

The RPi Relay Board (B) is an expansion board with 8-ch relays for Raspberry Pi
It gives your Pi the ability to control high voltage products such as home appliances.
Standard Raspberry Pi 40PIN GPIO extension header, Supports Raspberry Pi A+/B+/2B/3B/3B+/4B and later versions, Jetson Nano
High quality relays, loads up to 5A 250V AC or 5A 30V DC
Photo coupling isolation, prevent interference from high voltage circuit

7. GeeekPi Raspberry Pi Expansion Board 4 Channel Relay Board Module Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming Required/Programmable)

Feature

Supports Raspberry Pi 3A+/B+/2B/3B/3B+/4B/Pi Zero/Pi Zero W, Arduino UNO R3 / MEGA 2560 / STM32/ESP32/ESP8266
The Relay Board gives your Raspberry Pi board the ability to control high voltage/high current devices, and easily makes normal home appliances become intelligent. Can be accessed programmatically or directly by shell
Up to 4 layers can be stacked.The 4 Channel Relay uses high-quality relay modules combined with the most popular microcontroller technology to communicate with the Raspberry Pi.
You can use mulitiple relay modules stacked together to add many channels;
The 4 Channel module is very fast, easy to install, and supports multi-language development, making it ideal for smart home projects.

8. MakerFocus Raspberry Pi Expansion Board 4 Channel Relay Board Module Power Relay Module for Raspberry Pi 4B/3 Model B+/Raspberry Pi 3/2 Model B (No Programming Required/Programmable)

Feature

The product operation guide can be obtained in the product guide and document. This Raspberry Pi expansion board supports Raspberry P
The Relay Board gives your Raspberry Pi board the ability to control high voltage/high current devices, and easily makes normal home appliances become intelligent. Can be accessed programmatically or directly by shell. Up to 4 layers can be stacked.
Switch the I2C address of the device through the DIP switch on the circuit board to ensure that the four-layer module gets different addresses, thus avoiding the problem of address duplication.
The 4 Channel Relay uses high-quality relay modules combined with the most popular microcontroller technology to communicate with the Raspberry Pi. You can use mulitiple relay modules stacked together to add many channels; You can stack up to four layers.
The 4 Channel module is very fast, easy to install, and supports multi-language development, making it ideal for smart home projects

9. Ingcool Compatible with Raspberry Pi Expansion Board Power Relay Module Kits for Raspberry Pi 4B/3B+/3B/2B/ A+/B+ 5A 250V AC/ 5A 30V DV

Feature

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.
High quality relays, loads up to 5A 250V AC or 5A 30V DC.Photo coupling isolation, prevent interference from high voltage circuit
Relay control jumper, allows to control the relays by custom pins other than the default pins.Onboard LEDs for indicating relays status
Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835

10. ANMBEST 2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

Feature

It is 4 Channel Isolated 5V 10A Relay Module, each relay can individually switch on/off by an opto-isolated digital input, Standard interface can be directly connected with microcontrollers and be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc., very convenient.
Equipped with high-current relay, maximum load: AC250V 10A, 15A 125VAC, DC30V 10A; Trigger current of opto-isolator: 5mA.
RELIABLE: Fault-tolerant design, even if the control line breaks, the relay will not move; With optical coupling isolation, triggering more reliable, more stable.
EASY to INSTALL: Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation.
High/Low level trigger can be selected by jumper. Very versatile, you can reverse the input logic with the jumper.

Conclusion

By our suggestions above, we hope that you can found the best relay board for raspberry pi 4 for you. Please don't forget to share your experience by comment in this post. Thank you!