cheros asks: "Due to lack of options I had to stick one of my machines in a spot where I'm worried it might get hot, so I am looking for a low cost way to monitor environment temperature. As it's a humble 486 it doesn't have sensors, but it DOES have a joystick port. I'm merely looking for one of 'OK', 'Warm', 'Hot', or 'Get the fire extinguisher!' style status info so I'm not too bothered about granularity. If I remember correctly, a joystick port gives me 2 channels to fool with. I was wondering if anyone has already been playing with the idea to use an NTC (temperature sensitive resistor), and if they got anywhere. In my case it's a matter of scanning the port every so often and sending an SMS email if the situation warrants attention. As a matter of fact, the joystick port also has a couple of switch lines as well - there's all sorts of fun to be had. The last time I've coded was in 6303 assembler on Psion Organisers, so don't expect too much of me in the way of coding skills - it'll take me a while to get up to speed in Perl. Yes, I run Linux [it's a 486 - what did you expect? XP? ;-)]"
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