Temperature controller


Posted on Feb 27, 2013

Temperature control is achieved using the REF-02 +5 V Reference/Thermometer and a CMP-02 Precision Low Input Current Comparator. The CMP-02 turns on a heating element driver (Ql) whenever the present temperature drops below a setpoint temperature determined by the ratio of Rl to R2


Temperature controller
Click here to download the full size of the above Circuit.

The circuit also provides adjustable hysteresis and single supply operation.




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