DHT22 – Temperature and Humidity Sensor Module
The DHT22 Temperature and Humidity Sensor Module is a high-accuracy digital sensor designed for measuring environmental temperature and humidity in embedded systems and IoT applications. It is widely used in weather stations, smart home automation systems, industrial monitoring, greenhouse automation, and smart water management projects. The sensor provides calibrated digital output, ensuring reliable and stable readings with minimal external components.
The DHT22 sensor offers better accuracy and wider measurement range compared to traditional DHT11 sensors. It can easily interface with microcontrollers such as Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other development boards. Due to its low power consumption and simple single-wire communication protocol, it is an ideal choice for battery-operated and wireless monitoring systems.
At RoboCircuitHub, we provide quality-tested electronic modules suitable for students, hobbyists, makers, and professional developers. The DHT22 module is perfect for learning embedded systems, building IoT projects, and developing real-time environmental monitoring solutions.
Specifications
- Sensor Type: Digital Temperature & Humidity Sensor
- Operating Voltage: 3.3V to 6V DC
- Temperature Range: -40°C to +80°C
- Humidity Range: 0% to 100% RH
- Temperature Accuracy: ±0.5°C
- Humidity Accuracy: ±2% RH
- Communication Protocol: Single Wire Digital Interface
- Sampling Rate: 0.5Hz (1 reading every 2 seconds)
- Low Power Consumption
- Easy Interface with Arduino & ESP32
Applications
- IoT Monitoring Systems
- Smart Weather Stations
- Home Automation Projects
- Industrial Environmental Monitoring
- Smart Agriculture Systems
- HVAC Systems
- Smart Water Management Projects
- Educational & DIY Electronics Projects
RoboCircuitHub provides reliable electronics components and embedded development solutions to help innovators build smarter and more efficient projects.
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