Computer host overheating alarm circuit
Source: InternetPublisher:吃掉星星 Keywords: Alarm circuit computer electromechanical temperature sensor Updated: 2021/12/26
Working principle of the circuit: This circuit is powered by the 5v power supply in the computer host. It uses a negative
temperature coefficient thermistor RT as the temperature sensor . This resistor is installed in the appropriate part where the air flow of the cooling fan of the computer host
power supply passes, and is connected with R2, R3, Rp . R4 consists of
Wheatstone bridge.
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