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Maker Advisor

Best Tools and Gear for Makers

5V 2-Channel Relay Module with Optocoupler

Aliexpress - 5V 2-Channel Relay Module with Optocoupler
Aliexpress - 5V 2-Channel Relay Module with Optocoupler
Aliexpress - 5V 2-Channel Relay Module with Optocoupler
$1.04
in stock
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Aliexpress
eBay - 5V 2-Channel Relay Module with Optocoupler
eBay - 5V 2-Channel Relay Module with Optocoupler
eBay - 5V 2-Channel Relay Module with Optocoupler
$3.93
in stock
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eBay
Amazon.de - 5V 2-Channel Relay Module with Optocoupler
Amazon.de - 5V 2-Channel Relay Module with Optocoupler
Amazon.de - 5V 2-Channel Relay Module with Optocoupler
€5.89
in stock
2 new from €5.89
as of January 27, 2025 12:02 pm
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Amazon.de
Amazon.com - SunFounder - 5V 2-Channel Relay Module with Optocoupler
Amazon.com - SunFounder - 5V 2-Channel Relay Module with Optocoupler
Amazon.com - SunFounder - 5V 2-Channel Relay Module with Optocoupler
$6.79
in stock
2 new from $2.09
as of January 27, 2025 12:02 pm
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Amazon.com
Amazon.es - 5V 2-Channel Relay Module with Optocoupler
Amazon.es - 5V 2-Channel Relay Module with Optocoupler
Amazon.es - 5V 2-Channel Relay Module with Optocoupler
€6.99
in stock
as of January 27, 2025 12:02 pm
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Amazon.es
Amazon.co.uk - 5V 2-Channel Relay Module with Optocoupler
Amazon.co.uk - 5V 2-Channel Relay Module with Optocoupler
Amazon.co.uk - 5V 2-Channel Relay Module with Optocoupler
£6.99
as of January 27, 2025 12:02 pm
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Amazon.co.uk
Banggood - 5V 2-Channel Relay Module with Optocoupler
Banggood - 5V 2-Channel Relay Module with Optocoupler
Banggood - 5V 2-Channel Relay Module with Optocoupler
$5.99
out of stock
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Banggood.com

Learn how to use and control a relay module:

  • Guide for Relay Module with Arduino
  • ESP32 Relay Module – Control AC Appliances (Web Server)
  • ESP8266 Relay Module – Control AC Appliances (Web Server)
  • MicroPython: ESP32/ESP8266 Relay Module Web Server (AC Appliances)

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Affiliate Disclosure

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. We also participate in programs from Banggood, eBay, Aliexpress, ShareASale, and other sites. Maker Advisor is compensated for referring traffic and business to these companies (read more).