Circuit Board Design
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I need a circuit designed including a parts list and if possible the board solder design also.
The circuit has to be as simple and as cheap to build as possible.
The circuit will be used to detect a temperature change...
So when the circuit is powered it will be at base level, if the temperature raises 3 degrees a red LED will light up. If the temperature rises back to base the LED will shut off. If the temperature rises 3 degrees a blue LED will light up.
If possible I would like the circuit to fit on a 1" x 2" board or as close as possible