DHT22 RED Digital Temperature and Humidity Sensor

Product Overview

The DHT22 RED Digital Temperature and Humidity Sensor is a high-precision module designed for accurate environmental monitoring. It provides reliable temperature and humidity readings, making it ideal for weather stations, HVAC systems, and IoT applications. With digital output and factory calibration, it ensures stable performance and easy integration into microcontroller-based projects.

Key Features

1. High Accuracy: ±0.5°C for temperature, ±2% for humidity.
2. Digital Output: Simplifies data processing and reduces noise.
3. Wide Measurement Range: Temperature from -40°C to 80°C, humidity from 0% to 100%.
4. Factory Calibrated: Ensures reliable performance out of the box.
5. Low Power Consumption: Suitable for battery-powered devices.
6. Single-Wire Communication: Easy connection to microcontrollers like Arduino and Raspberry Pi.

Technical Specifications

1. Temperature Range: -40°C to +80°C
2. Humidity Range: 0% to 100% RH
3. Temperature Accuracy: ±0.5°C
4. Humidity Accuracy: ±2% RH
5. Operating Voltage: 3.3V – 5.5V DC
6. Output Signal: Digital (single-wire protocol)
7. Sampling Rate: 0.5 Hz (one reading every 2 seconds)
8. Dimensions: 25mm x 15mm x 7mm

Benefits

1. Reliable Environmental Monitoring: Provides accurate real-time data.
2. Plug-and-Play: Pre-calibrated for immediate use.
3. Easy Integration: Works with Arduino, ESP32, and Raspberry Pi.
4. Stable Performance: High precision with minimal drift over time.
5. Ideal for IoT Projects: Compatible with smart home and automation systems.

Usage Instructions

1. Wiring: Connect the VCC, GND, and data pin to a microcontroller.
2. Code Implementation: Use libraries like DHT in Arduino IDE for data retrieval.
3. Data Reading: Ensure a 2-second delay between readings for accurate results.
4. Environmental Placement: Keep away from direct heat or moisture sources for best accuracy.

Applications

1. Weather Monitoring Systems
2. Smart Home Automation
3. HVAC Systems & Air Quality Monitoring
4. Agriculture & Greenhouse Control
5. IoT & Embedded Systems

Why Choose the DHT22 RED Digital Temperature and Humidity Sensor?

With its high accuracy, digital output, and easy integration, the DHT22 RED is an excellent choice for professionals and hobbyists alike. Whether for weather stations, smart home applications, or industrial monitoring, this sensor delivers reliable performance for precise environmental tracking.