Automatic Fan Controller circuit
This is automatically fan controller for heatsink. when it hot so the fan controlled to high speed. it use LM334z as temperature sensor that is accurate. [...]
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July 23, 2013
Temperature controlled on off relay circuit using LM393
The temperature controlled on off relay circuit,main ideals is thermistor will change its resistance.IC1-LM393 to bias transistor to drive relay works. [...]
August 13, 2012