Ahmad Al-Shalabi and Bassma Karbouj show us how to control a DC fan using easy to find components. The fan works when temperature reach into pre-specified threshold.
The purpose of this project is creating a cooling system by controlling in a DC fan in a simple way without using Microcontrollers or Arduino but by using electronic components that it’s very simple and available. The DC fan controlling achieved by a Thermistor and which is a type of resistor whose resistance is dependent on temperature. there is two type of thermistor that is NTC ” Negative Temperature Coefficient” , PTC ” Positive Temperature Coefficient “
Temperature controlled Fan – [Link]
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