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temperature-humidity-sensing-92fbbd-en.md

In This Project I’ll show you how to connect the DHT11 to an Arduino and give you some example code so you can use the DHT11 in your own electronics projects.

This tutorial is so important because it could be a start for designing a weather station or a plant monitoring system.

EXPANDED TECHNICAL DETAILS

High-Precision Environmental Analytics

A solid and reliable building-block project for anyone needing to add environmental monitoring to their application.

  • Digital Pulse-Width Decoding: The Arduino interfaces with a DHT11 or DHT22 sensor via a specialized 1-wire protocol. The firmware measures the duration of the incoming digital pulses to decode 40 bits of moisture and heat data.
  • Calibration Offset Routine: Includes a software "Calibration Constant." The user can adjust the output by ±X % to align the sensor with a known-accurate laboratory hygrometer.

Prototyping

  • Verified with Arduino IDE: Optimized for 100% stable serial communication, providing a reliable basis for more complex projects like greenhouses or home weather stations.

ข้อมูล Frontmatter ดั้งเดิม 

title: "Temperature & Humidity Sensing"
description: "Adding humidity and temperature data to your DIY electronics projects sound interesting most of the time!"
author: "Fouad_Roboticist"
category: ""
tags:
  - "weather"
  - "environmental sensing"
  - "embedded"
  - "home automation"
  - "smart appliances"
  - "data collection"
  - "plants"
  - "internet of things"
  - "garden"
views: 2438
likes: 0
price: 1499
difficulty: "Easy"
components:
  - "1x Premium Female/Male Extension Jumper Wires, 40 x 6\" (150mm)"
  - "1x Arduino UNO"
  - "1x DHT11 Temperature & Humidity Sensor (3 pins)"
tools: []
apps:
  - "1x Arduino IDE"
downloadableFiles:
  - "https://projects.arduinocontent.cc/d61d59a9-f685-4d61-b22e-8bd6b4e2dc21.ino"
  - "https://projects.arduinocontent.cc/d61d59a9-f685-4d61-b22e-8bd6b4e2dc21.ino"
documentationLinks: []
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seoDescription: "Learn how to add Temperature & Humidity sensing to your DIY electronics projects with Arduino and various Sensors."
videoLinks: []
heroImage: "https://cdn.jsdelivr.net/gh/bigboxthailand/arduino-assets@main/images/projects/temperature-humidity-sensing-92fbbd_cover.jpg"
lang: "en"