SparkFun
Humidity and Temperature Sensor - DHT20
The DHT20 is a factory-calibrated digital humidity and temperature sensor with an I²C interface. An upgrade to the popular DHT11/DHT22 series, it provides re...
The DHT20 is a factory-calibrated digital humidity and temperature sensor with an I²C interface. An upgrade to the popular DHT11/DHT22 series, it provides reliable environmental measurements without requiring additional calibration or external components.
Key Features
- I²C Digital Output – Standard I²C interface (address 0x38) for easy microcontroller integration
- Factory Calibrated – Ready to use out of the box, no additional calibration needed
- Humidity and Temperature – Measures both relative humidity and temperature
- Low Power – Suitable for battery-powered and remote sensing applications
Specifications
- Interface: I²C (address 0x38)
- Humidity Range: 0–100% RH
- Humidity Accuracy: ±3% RH (typical)
- Temperature Range: −40 °C to 80 °C
- Temperature Accuracy: ±0.5 °C (typical)
- Supply Voltage: 2.2–5.5 V
Ideal For
- Weather stations and environmental monitoring
- HVAC and climate control systems
- Data loggers and IoT sensor nodes
- Dehumidifier and automation projects
Package Contents
- 1× DHT20 humidity and temperature sensor
Jargon buster
Plain-language definitions for the technical terms used above.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
Find this product in
Brands
DHT20 Datasheet
Datasheet · 1.1 MB · Click any page to view full size
Supplier page — sparkfun.com
Supplier Description · 482.0 KB · Click any page to view full size
Related Tutorials
Free guides on learn.littlebird.com.au
