RandomOrbit wrote: > > > Hi. I'm new to the forum, and new to embedded computing. I would like > to use the FOx Board to do several things. One of the things is to > control relays to turn on/off 110 VAC devices (using a separate > external relay). > > Can anyone tell me if this is possible, and a general direction on how > to do it? I searched through the documentation, but couldn't find > anything. I do this via the 1-wire buss (Dallas semiconductor) and use an ETT opto-isolated relay board (4 SPDT relays) with an adapter called an LP-IO. You can get these from Springbok Digitronics.
You'd have to write some code to accomplish this. Otherwise a GPIO pin could be interfaced to drive a transistor or FET to control an external relay. Then you could do it via a simple device driver. Some strict isolation, because you're dealing with 110v devices, is called for. /m
