Experimental analog-circuit gas detector / alarm

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ki3u
Posts: 14
Joined: Mon Sep 23, 2013 12:31 pm

Experimental analog-circuit gas detector / alarm

Postby ki3u » Mon Oct 30, 2017 3:58 pm

For anyone interested I've put online on my website a description of my experiments resulting in
the development of an experimental gas detector / alarm based on analog circuitry, and not involving any digital electronics :

http://ki3u.byethost3.com/Instruments_e ... alarm.html

The detector / alarm system was primarily geared toward natural gas (methane) and butane, but there were
interesting surprises with what it sniffed.

Berj / KI3U

NealXu
Posts: 1
Joined: Thu Dec 14, 2017 10:28 am

Re: Experimental analog-circuit gas detector / alarm

Postby NealXu » Thu Dec 14, 2017 10:31 am

Hi...i am a new user here. I took a look at your circuit and there a few things that I can mention. Firstly, if you need something as complex as a GSM Modem, you will need to create a LabVIEW instrument for it if that is possible. If you know the exact input you are going to receive, you can use something like a PIECEWISE_LINEAR_VOLTAGE source which is in the Sources Group and the SIGNAL_VOLTAGE_SOURCES Family.


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