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LM35 Temperature Sensor Interfacing with ATmega32 and LED Display

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In this project, we will learn How to interface a LM35 temperature sensor with AVR ATmega32 Microcontroller and LED display. Here, we will measure the temperature of the surrounding or any other material to which the LM35 temperature sensor is connected for its temperature measurement and we will display the temperature value in degree centigrade in 1X8 LED array.

Since the output of LM35 temperature sensor is analog in nature and microcontroller cannot process the analog signal directly. So, first it will convert the analog output of LM35 temperature sensor to digital values using its analog to digital converter and then it process the digital value to convert the digital value in degree centigrade value. Then, the microcontroller will display the temperature in degree centigrade in the 1X8 LED array.

Now, lit a match stick or lighter near the LM35 temperature sensor and see the changes in its output value in the 1X8 LED array.

Softwares Required

Circuit Diagram

Circuit_Diagram_of_LM35_Temperature_Sensor_Interfacing_with_AVR_ATmega32_Microcontroller_and_LED_Display.png

Video

Downloads

LM35 Temperature Sensor Interfacing with ATmega32 and LED Display C File
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LM35 Temperature Sensor Interfacing with ATmega32 and LED Display Circuit Diagram
  • 27 downloads 187 Kb
LM35 Temperature Sensor Interfacing with ATmega32 and LED Display Hex File
  • 26 downloads 1 Kb
ADC Header File v1.0
  • 1747 downloads 2 Kb

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