Hi - The lava lmp board "lsgpio" - level shifted gpio - is designed for that, plus provides 15 other wires you can "press other buttons" with or sense LED states etc.
You don't need a relay channel for it. The software interface is documented in the spec pdf from the wiki, it's ttyACM and ascii chars as usual. Unfortunately I am just out the door to Korea for a week, I can send you one when I get back. -Andy Dave Pigott <[email protected]> wrote: > >On 21 Jan 2013, at 19:49, Michael Hudson-Doyle ><[email protected]> wrote: > >> Dave Pigott <[email protected]> writes: >> >>> Hi all, >>> >>> Looks like we have a requirement for a software controllable relay >to >>> physically press a reset switch on a board. >> >> <facepalm/> >> >> Does it _have_ to physically press the switch? Can we snip out the >> switch and wire a relay across instead? You can get usb-controlled >> relays. >> >>> I've been doing some hunting but so far have come up with nothing >that >>> looks likely. >>> >>> Requirements: >>> >>> Dimensions: At present unknown until we have a physical board in our >hands >>> Mountable: It must be something we can attach to the shelf next to >the board >>> Controllable: Must have some sort of standard interface for >operation. USB would be a preference, but at a push we could use >another board's GPIO pins. >>> >>> Anyone know of such a product? >> >> I'm sure Andy Green could build one in half a day… > >Andy G? Any ideas? > >Thanks > >Dave
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