Thermistor MOSFET Fan controller (How to specify the turn ON Temperature) - Part 4

Описание: In this tutorial we see how to calculate the Gate to Source Resistance that form part of the voltage divider with the thermistor resistance. This calculation is important because it lets you specify the temperature in which you want your fan to come on.

The MOSFET is a semiconductor device that can be controlled just like a normal on/off switch, this mean it can switch any type of load connected to it assuming that circuit is properly wired.
In this experiment we use an NTC (Negative Temperature Coefficient) Thermistor whose resistance varies based on the temperature it is exposed to, this properties is then used to control the voltage drop across the resistor and in return set up an appropriate voltage at the Gate of the MOSFET to turn it on, this voltage is called Vth (Threshold voltage).

Discover how to construct a Thermistor MOSFET Fan Controller circuit in this comprehensive tutorial. Ideal for electronics enthusiasts and engineering students, this video walks you through the step-by-step process of building a fan controller that adjusts speed based on temperature changes. Learn the principles, components, and practical applications of this useful project.

🔧 What You’ll Learn:
Introduction to Thermistor and MOSFET Components
Circuit Design and Schematic Explanation
Step-by-Step Circuit Construction
Practical Tips for Testing and Troubleshooting
Real-World Applications and Benefits

📌 Key Topics Covered:
Overview of Thermistor and MOSFET
Designing the Thermistor MOSFET Fan Controller Circuit
Detailed Schematic Explanation
Step-by-Step Construction Guide
Testing the Circuit and Troubleshooting Common Issues
Applications and Benefits of the Fan Controller

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🔗 Related Videos:
How to Design a Temperature Sensor Circuit
Understanding MOSFETs and Their Applications
Building a Simple PWM Fan Controller

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