KEYESTUDIO Raspberry Pi 4-Channel Relay Hat Shield Module 5V DCAC Expansion Board for Raspberry Pi 4/A+/B+/Pi 2 Model B/Pi 3 Model B

4.4 out of 5 stars 115 ratings

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  • KEYESTUDIO 4 channel relay module shield control various appliances and other devices with large current.
  • Relay 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, 250V AC on 10 A.
  • Compatible with Raspberry Pi 4/3, each relay with a LED state display.
  • Tutorials Download:

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Product description

This shield uses SONGLE relay, providing 4-channel input and output.
The relays are isolated in the PCB.
It allows you to control high power components like lights and motors via Raspberry Pi 3/4B.
Just plug it directly into your pi with 5 V.
We will provide installation package, source code and quickstart guide PDF.
We will teach you step by step, so don't worry!

Control Signal: TTL Level
Rated Load:
10A 250VAC
10A 125VAC
10A 30VDC
10A 28VDC
Rated Current: 10A(NO) 5A(NC)
Max Switching Voltage: 250VAC 30VDC
Contact Time: under 10ms
Package Includes:
keyestudio RPI 4-channel Relay Module Shield

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4.4 out of 5 stars
4.4 out of 5
115 global ratings
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Top review from Australia

Reviewed in Australia on 29 August 2021
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Top reviews from other countries

W. Sedky
5.0 out of 5 stars Great product so far
Reviewed in Canada on 6 November 2020
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5.0 out of 5 stars Great product so far
Reviewed in Canada on 6 November 2020
I am posting this review after my initial test since I won't be able to use it for some time. The board works great and easy to setup. I control it with python using code that I created for the Raspberry Pi Gertboard. I think the posted online manual is not accurate in terms of the GPIOs that are used (at least in my case), but that is not a problem. I used my multimeter and figured it out. In case it might help someone, here is what I found:
GPIO4 is Relay 1
GPIO22 is Relay 2
GPIO6 is Relay 3
GPIO26 is Relay 4

One thing to note is that I couldn't use it with any of my Pi cases. I can only use the base of the case (see the pictures), but that's not an issue.
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5 people found this helpful
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5.0 out of 5 stars Fait ce à quoi il est prévu
Reviewed in France on 15 November 2019
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9 people found this helpful
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T. Schubert
4.0 out of 5 stars Great product with room for improvement on the documentation
Reviewed in Germany on 1 June 2019
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4 people found this helpful
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5.0 out of 5 stars Works great (120v lights)
Reviewed in Canada on 3 January 2019
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2 people found this helpful
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Liane H.
3.0 out of 5 stars Might work, but not with PLCOpen out of the box
Reviewed in Germany on 14 January 2019
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