The DHT-11 is a small humidity and temperature sensor that you can connect to your Arduino and get readings for temperature and humidity in the environment.
Features:
- Power supply: DC 5V / 3.3V
- Size: L 30.5mm x W 12mm x H 7.2mm
- Humidity measurement range: 20 ~ 90% RH
- Humidity measurement accuracy: ± 5% RH
- Temperature measurement range: 0 ~ 50 ℃
- Temperature measurement accuracy: ± 2 ℃
- Digital signal output
- Data port with pull-up resistor
- With 3mm fixing screw holes for easy installation
- VCC → 3.3V / 5V positive pole
- GND → power negative
- DATA → MCU IO port








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