Sonoff Basic R2 relay isolation and mod to low voltage
amazon.com link to 3 pack of Sonoff: https://amzn.to/3hewTqu
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Modding Sonoff Basic R2 to make a low voltage module with relay isolation. I wanted a remote switch that could be easily powered by battery. I also plan to connect a temperature or temperature/humidity sensor(check my other videos to see how to add those). This video is a little long, but I included some notes in the video on where to skip to to see important parts.