Temp sensor

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michaelrolo
Posts: 2
Joined: Mon May 13, 2013 7:14 pm

Temp sensor

Post by michaelrolo » Mon May 13, 2013 7:24 pm

I have a project I would like to carry out but I am a novice and could do with some help. I need a temperature sensor circuit with red, amber and green L.e.d's. Each l.e.d will illuminate within different temperature parameters. For example 17-23 degrees - green lit. 2 degrees either side - amber lit. upto 15 and over 25 - red lit.
Can anyone help with a circuit design? Would you recommend using PICS?

Cheers

piratepaul
Posts: 432
Joined: Mon May 20, 2013 2:45 pm

Re: Temp sensor

Post by piratepaul » Fri May 31, 2013 4:50 pm

Cost you £500.

michaelrolo
Posts: 2
Joined: Mon May 13, 2013 7:14 pm

Re: Temp sensor

Post by michaelrolo » Fri Jun 07, 2013 6:01 pm

lol..

piratepaul
Posts: 432
Joined: Mon May 20, 2013 2:45 pm

Re: Temp sensor

Post by piratepaul » Sat Jun 08, 2013 12:37 pm

I would use TTL's that's the easy bit ... the logic is a doddle, TTL's are cheap... choosing the right sensors is a lot of research.

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