CIRCUIT DESIGN: TEMPERATURE CONTROLLER
CIRCUIT DESIGN: TEMPERATURE CONTROLLER
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I had embarked on an exciting and challenging journey to design and build a temperature-controlled fan and warning lights system. This project, part of our electronics lab course ECE 203, required us to enhance our understanding and application of various electronic components and circuits.
Project Demonstration.mp4Demonstration Video 2: The NTC thermistor measures the temperature and causes the fan to turn on.
Circuit Design: Temperature Controller Project Overview:
Our system utilizes a negative temperature coefficient (NTC) thermistor to measure temperature changes accurately. As the temperature increases, the resistance of the thermistor decreases, allowing us to adjust the fan speed and activate different colored LEDs based on the temperature range detected.
Key Components:
Temperature Measurement Bridge - Adjusts the DC operating point to remain stable despite room temperature fluctuations.
Instrumentation Amplifier - Amplifies the temperature difference for clearer fan speed and LED adjustments.
LED Indicators - Provides visual feedback through a green, yellow, or red LED depending on the temperature range.
Motor Driver - Drives the cooling fan, ensuring it operates at the correct speed based on the current temperature.
Design and Assembly: My design process involved meticulous planning and PSpice simulation using KiCad software to ensure every component was perfectly integrated.
Project Demonstration 2.mp4Demonstration Video 2: The NTC thermistor measures the temperature and causes the fan to turn on.
Circuit Schematic: The NTC thermistor measures the temperature and causes the fan to turn on.
Born to Change the world
Born to Change the world
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