2 Channel 3.3V/5V 10A Relay Module for Arduino RPi ESP8266 +Optocoupler

A really useful 2 way relay module, triggered by 3.3V or 5V with built in optocouplers. The relay on the board is a 5 volt version, but the board has been configured in such a way that it can be powered and reliably triggered by 3.3 volt micro controllers. I realise that these are quite expensive, compared to the 5V versions, but I needed one in a hurry a few weeks ago and discovered that there weren't any on eBay (at least in the UK). So I imported some for me and some for eBay... They were actually quite hard you find ;)

2 Channel 3.3V/5V 10A Relay Module for Arduino RPi ESP8266 +Optocoupler

A really useful 2 way relay module, triggered by 3.3V or 5V with built in optocouplers.

The relay on the board is a 5 volt version, but the board has been configured in such a way that it can be powered and reliably triggered by 3.3 volt micro controllers.

I realise that these are quite expensive, compared to the 5V versions, but I needed one in a hurry a few weeks ago and discovered that there weren't any on eBay (at least in the UK). So I imported some for me and some for eBay... They were actually quite hard you find ;)

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