From: "Innes Cathcart"
Subject: Re: Need help designing a circuit...
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Date: Thu, 16 Jan 2003 18:40:12 GMT
NNTP-Posting-Date: Thu, 16 Jan 2003 13:40:12 EST
Why don't you just let the animal go free? Why would anyone wish to
imprison a live being? Did it commit a crime worthy of imprisonment? :)
"ryanm" wrote in message
> Ok, I'm handy with mechanical things and have a basic understanding of
> electronics and can read a schematic, but when it comes to circuit design,
> don't even know where to begin. I need a fairly simple circuit, consisting
> of an LED or LCD display, a thermistor, and some kind of humidity sensor,
> both on about a 5' length of wire. To start at the beginning, I'm building
> an animal enclosure and need to monitor the temperature and humidity
> the enclosure. I have looked for a consumer-level product that does what I
> need, but no one seems to make one, and the higher-end panel mount
> indicators start at about $85 for temperature and $120 for humidity, which
> is way too much for $25 worth of parts.
> So, basically, what I need is a circuit that will monitor two probes
> twice per second and return the values to an LCD. I can handle any
> needed, I know Java, VisualBasic, and C++, so even if I don't know the
> language it needs to be written in I can figure out enough of it to hack
> some code together for it. Any help, suggestions, references to premade
> schematics online, etc, are appreciated.