Cheap and Easy Digital Thermometer

I had to monitor my aquarium’s temperature. For the purpose, the idea came to my mind why not use digital table clock that can also display the environment’s temperature. Most of you will have such a clock at home I am sure.

Step 1 What you will need:

A table digital clock with temperature display

A male stereo pin and a female jack too (hope you will not have to buy these)

1 foot or so length of shielded cable (as used in headphones)

Heat Shrink tubes

Mercury thermometer (for comparison purpose only, no calibration reqd)

Solder wire

Soldering iron

Comments

[halothan]

Could use a medical thermometer?

[azarpisces]

if you mean a clinical thermometer then obviously not, but if you mean anything like digital thermometer then yes but it needs some intelligence (i m sure you have enough).

[azarpisces]

@zack247Sorry i forgot to mention that this is an ordinary digital clock with temperature display built-in. it not something special "Temperature Clock". The prices in you region may be higher, I cant comment on that but cheaper China made versions may be available at your Local super marts.

[zack247]

where can i get a clock like that? i want to monito the remperature inside my computer, (the sensors on the mobo arent registering) but i cant find anything like a clock thermometer or thermometer that i can afford. where can i find one for under $5? (in canada)

as soon as i find something suitable, i am definitely going to do this! great instructable!

[azarpisces]

Thank you for your comments. The clock i used is a cheaper version China made bought from Metro Store (Pakistan). It cost me around 3 US Dollors. I think ebay.com may help you in getting one at cheaper price.