The temperature upper and lower limit controller circuit

Published:2011/6/30 21:40:00 Author:qqtang | Keyword: temperature, limit controller | From:SeekIC

The circuit consists of one of the dual D trigger CD4013, which is simple and has the upper/lower limit temperature control function. The controlled temperature can be preset by the potentiometer, when it is over the preset temperature, the power is cut-off automatically. It can be used in heating process industrious equipment, the circuit is shown in the figure. In the circuit, the D trigger is assembled as a RS trigger, and the thermistor MF51,which is used in industrious control, is the temperature sensor.



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