Transistor BC547 Fan Switch

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Automatic Temperature Controlled DC Fan using 10k Thermistor and BC547 Transistor

4:02

YouTubeFG Experiments

Automatic Temperature Controlled DC Fan using 10k Thermistor and BC547 Transistor

Assalamualaikum friends! This is a compact and energy-efficient heat control system that automatically powers a BLDC fan based on surrounding temperature. The circuit uses a 10kΩ NTC thermistor, BC547 NPN transistor, a 470Ω resistor, and a 7V battery to operate a brushless DC fan. When the temperature rises, the resistance of the thermistor ...

7.5K views11 months ago

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