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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
Does it? It's got 3-32v written right by the input. I haven't tried mine in anger yet, but at the very least the 'active' LED lights up with the 3.3v output from the Espruino.
I was pretty sure that these kind of triac-style solid state relays force themselves on when energised, so need a very low amount of current to get working. Only issue is they only turn off because they're connected to AC - you can't use them to drive anything that's DC.