DHT22 (AM2302) Digital Temperature & Humidity Sensor – High-Precision Climate Monitoring 🌡️💧
The DHT22 Temperature & Humidity Sensor is a high-accuracy, low-cost digital sensor, perfect for IoT, weather monitoring, and smart home applications. It features a capacitive humidity sensor and a thermistor to measure environmental conditions, outputting a digital signal via a single data pin.
🚀 A step up from DHT11! More precise, wider range, and higher resolution!
🔧 Key Features:
✅ High Accuracy – ±0.5°C temperature & ±2% humidity precision 📊
✅ Digital Output – Simple 1-wire communication 📡
✅ Extended Measuring Range – -40°C to 80°C & 0% to 99.9% RH 🌍
✅ Low Power Consumption – Ideal for battery-operated applications 🔋
✅ Easy Integration – Works with Arduino, Raspberry Pi, ESP8266, ESP32, etc. 🛠️
✅ Compact & Lightweight – Fits in small projects effortlessly 📏
📌 Specifications:
Temperature Range: -40°C to 80°C 🌡️
Humidity Range: 0% to 99.9% RH
Temperature Accuracy: ±0.5°C
Humidity Accuracy: ±2% RH
Resolution: 0.1°C (Temp), 0.1% RH (Humidity)
Operating Voltage: 3.3V – 5.5V DC
Sampling Rate: Every 2 seconds
Output Signal: Digital (Single-Wire Communication, NOT One-Wire Compatible)
Dimensions: 3cm x 2cm x 1cm
Weight: 5g
📡 Applications:
✔️ Weather Monitoring Systems 🌦️
✔️ Smart Home Automation 🏡
✔️ IoT & Remote Climate Control 📶
✔️ Greenhouse & Agriculture Monitoring 🌱
✔️ Industrial & Environmental Sensing 🏭
📦 Package Includes:
✔️ 1 x DHT22 Temperature & Humidity Sensor
💡 Upgrade to DHT22 for better accuracy, wider range, and higher resolution than DHT11! 🌡️📈