Description
The DHT11 is a compact and cost effective digital sensor for measuring temperature and humidity.
Featuring a capacitive humidity sensor and an NTC thermistor, it outputs reliable digital data and requires no analog input.
Perfect for Arduino, Raspberry Pi, PIC, or ARM microcontroller projects, the DHT11 offers dependable performance with minimal power use and excellent long term stability.
- Product: DHT11 Digital Humidity & Temperature Sensor
- Type: Digital Sensor with Thermistor & Humidity Sensing
- Quantity: 1 Sensor Module
- Measures humidity and temperature
- Digital output signal – no ADC required
- Stable, reliable, and easy to use
- Compatible with most microcontrollers
- Compact form factor with 4-pin header
Specifications:
- Operating Voltage: 3V to 5V
- Max Current During Measurement: 2.5mA
- Humidity Range: 20%–80% RH (±5% accuracy)
- Temperature Range: 0°C to 50°C (±2°C accuracy)
- Sampling Rate: 1Hz (1 reading per second max)
- Size: 15.5mm x 12mm x 5.5mm
- Pin Spacing: 0.1″ standard (2.54mm)
What’s Included:
- 1 x DHT11 Digital Temperature & Humidity Sensor
Great For:
- Weather stations and environment monitoring
- IoT and smart home applications
- Arduino and Raspberry Pi projects
- HVAC and automation systems
- Educational electronics and STEM learning
Usage Tips:
- Connect to any digital input pin
- Requires a pull-up resistor on the data line (typically 10kΩ)
- Use libraries for easier integration with Arduino or Pi
- Allow sensor to stabilise for best accuracy
- Sample no more than once per second for reliable data
