On 11/9/06, Constantine A. Murenin <[EMAIL PROTECTED]> wrote:
On 09/11/06, Eric Huiban <[EMAIL PROTECTED]> wrote:
> >> has anyone advise to find cheap sensors (temperature, but also humdity,
> >> pressure, light, electricity before UPS, ...) which are known to work
> >> with openbsd ?
[...]
> Modems are also great thing to recycle
> from junk yard as monitor for power supply before UPS. Power availability
can be
> sensed using an old 2400bps modem... there is an OK answer to any AT
question
> while power is here !
This should be nominated for the best-recycling-advice-of-the-year
award, for innovation! :)
Don't forget to hook a phone line up to it, for
really simple remote power querying. If the modem squeals at you,
power is all good. It's a trick I've used before.
--
Jon
