How To Make A Automatic Fan Controller Circuit Based on Temperature with UA741 IC | Techeonics

Опубликовано: 29 Март 2020
на канале: TECHEONICS

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In This video we Will make a simple Circuit to automatically switch ON and control the speed of a fan according to the temperature.

Working: This project uses IC UA741 as a sensor for detecting accurate centigrade temperature. The output voltage of this sensor is linearly proportional to the Celsius (Centigrade) temperature. This sensor uses the fact that, as temperature increases, the voltage across a diode increases at a known rate.

CHECK OUT DETAIL POST = https://techeonics.com/fan-controller...

Part List of Automatic Fan Controller :
1) UA741 IC
2) NPN Transistor BC140
3) 4.7k NTC Thermistor
https://www.electronicscomp.com/10k-o...

4)4.7k and 47 ohm resistor
https://www.electronicscomp.com/4.7k-...
https://www.electronicscomp.com/470-o...
5)9V battery or any DC Source
https://www.electronicscomp.com/9v-zi...
6) 100K or 500k Potentiometer
https://www.electronicscomp.com/10k-o...
7) 1N4007 DIODE
https://www.electronicscomp.com/1n400...
8) Breadboard or PCB
PCB:- https://www.electronicscomp.com/6x8-c...
Breadboard :- https://www.electronicscomp.com/bread...

Hope you like it.
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#temperaturecontrolledfan #automaticfan #temperatuefan