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DHT11 Sensor Demo with AVR's Interrupt and Timer

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Author: Shawon Shahryiar

Last Updated: 2016-07-06

Package Version: 1.0.0.0

Category: Measurement

Downloaded: 729 times

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License: MIT license  

This is a demo of DHT11 relative humidity-temperature sensor using interrupt and timer of a ATMega8515L. Interrupt + timer based method don't block program sequence unlike polling methods and so the CPU can do other tasks. Falling edge interrupt is used to detect the output from the sensor and a timer detects pulse widths.

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DOWNLOAD LINK RELATED COMPILER CONTAINS
mikroC PRO for AVR
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc

Project Blog

Non-Polling DHT11 Sensor Demo

DHT11 Sensor Demo with AVR's Interrupt and Timer

Watch on YouTube
Project Setup

Project Setup

DHT11 Sensor Demo with AVR's Interrupt and Timer

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DHT11 Sensor

DHT11 Sensor

DHT11 Sensor Demo with AVR's Interrupt and Timer

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Saleae Logic Analyser Visualization

Saleae Logic Analyser Visualization

DHT11 Sensor Demo with AVR's Interrupt and Timer

View full image

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