I just noticed this SSR that was for DCV instead of all the others that are normally for AC. [image] [image] Although I can not find the datasheet for it, it does seem compatible with Arduino. http://www.ebay.com/itm/251138639900 auction site and also SainSmart 2 Channel SSR-2F Solid State Relay…

Arduino SSR 5V DC (Mager GJ-3FA-L)

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