FreeBSD and controlling an alarm via relay

Bernt Hansson bernt at
Tue Jul 5 11:30:52 UTC 2011

2011-07-05 12:02, Achilleas Mantzios skrev:
> Στις Tuesday 05 July 2011 11:41:38 ο/η Bernt Hansson έγραψε:
>> 2011-07-04 12:39, Achilleas Mantzios skrev:
>>> Hello, sorry for the cross-post but i believe this question might seat in both lists.
>>> I am the guy who had the done the old 1.23.3 zoneminder port some years ago, and i am thinking of installing/testing
>>> the new 1.24.4 port, submitted by bsam at
>>> Besides the basic functions, i am thinking of re-using some old techniques by which i controlled
>>> the home alarm via a NC/NO circuit (basically it was an enhanced door contact),
>>> driven by an old zyXel modem,  which in turn was driven by a small perl program driving the com port, and
>>> which was called by a deamon reading zoneminder shared memory info directly.
>>> That way i could trigger the alarm system getting into alarm state, whenever zoneminder detected motion,
>>> in a fully controlled and programmatic way.
>> Is this what you you are looking for
> Basically i am thinking of something like this:
> a USB controlled 8-channel relay board, rs232 serial controlled

OK. Velleman has 8 & 16 channel relay boards, K8056, K6714 (8channels) 
and K6714-16 (16Channels). I have an schematic from elektor/elektuur 
with which you can control 64+ outputs from the printerport.

> What would be my chances with this on FreeBSD 8.2?

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