The DHT22 Temperature & Humidity Sensor is a reliable and high precision digital sensor designed for accurate environmental monitoring in electronics and IoT projects. Unlike older analog or basic humidity sensors, the DHT22 features a fully calibrated digital output via a single wire interface, providing stable and precise temperature and relative humidity measurements with minimal external components required. Thanks to its low power consumption and fast response time, it’s ideal for smart home systems, weather stations, greenhouse automation, and portable monitoring devices. With simple 3-pin connectivity (VCC, GND, DAT), the DHT22 integrates easily with Arduino, ESP32, Raspberry Pi, and other compatible microcontroller boards, making it perfect for both beginners and advanced makers. Whether you're building a climate monitoring system or adding environmental sensing to your robotics project, the DHT22 is a dependable and modern solution. Highlights: Measures temperature & relative humidity. Digital single wire communication interface. Factory calibrated for accurate readings. Low power consumption. Compact and easy to integrate module. Compatible with Arduino, ESP32, Raspberry Pi & more. Specifications: Operating Voltage: 3.3-5V. Sensor Model: DHT22. Communication Protocol: Single wire digital. Temperature Range: −40°C to +80°C. Temperature Accuracy: ±0.5°C. Humidity Range: 0% - 100% RH. Humidity Accuracy: ±2 % RH. Response Time: ~2s. Dimensions: ~38×22×9mm. Interface: 3-pin (VCC, GND, DAT). Ideal For: 🌦️ DIY weather station projects. 🏠 Smart home automation. 🌱 Greenhouse & indoor farming systems. 🌍 IoT environmental monitoring stations. 🎓 Arduino & STEM education projects. Note: Product appearance may vary slightly from the images shown. Text or markings on the sensor may differ depending on the batch.
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