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Electronics decoding of outputs


  • To: "UKHA Group" <ukha_d@xxxxxxx>
  • Subject: Electronics decoding of outputs
  • From: "Mick Furlong" <hiltoneltd@xxxxxxx>
  • Date: Fri, 7 Jun 2002 15:55:23 +0100
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

Ok the same Linux box mentioned in my previous email has 4 outputs which are
relay based potential-free switch contacts. These are rated 1.5A at 230 V AC
and 2A at 30VDC.

What I would like to do is to decode these outputs giving me  additional
states (something similar to how frank is doing the HV/IR stuff I guess) if
my math holds up I should be able to control 16 relays using combinations of
the 4 signals.

Is it as simple as using a set of logic gates to do this?

Is there a solution on a chip ?

Any other help?

btw I am VERY rusty with my electronics....23 years rusty ....so go easy on
me ;)

Thanks
Mick



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