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golob03/12/2015
Great little relay in useful for many occasions, it works on 3.3V as well as 5V logic. Unlike may others this is positive logic (unlike many other relay modules) that is why it is useful for interfacing with esp8266, that doesn't have pull down resistors. I use it with pics, avr, arm microcontrollers as well. I would give it 5 stars if it would be seperated with optocoupler.
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United Kingdom , USD
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