DHT11 Digital Temperature and Humidity Sensor
The DHT11 is a basic, composite digital temperature and humidity sensor utilizing a capacitive humidity sensor element and a thermistor. It outputs a pre-calibrated digital signal on a single pin, eli...
The DHT11 is a basic, composite digital temperature and humidity sensor utilizing a capacitive humidity sensor element and a thermistor. It outputs a pre-calibrated digital signal on a single pin, eliminating the need for external analog-to-digital conversion. Suitable for measuring ambient indoor climate conditions, it easily integrates with Arduino, Raspberry Pi, and ESP microcontrollers for weather stations, HVAC monitoring, greenhouse environment management, and incubator controls.
| Operating Voltage | 3V - 5.5V DC |
|---|---|
| Temperature Range | 0°C to 50°C (±2°C accuracy) |
| Humidity Range | 20% to 90% RH (±5% RH accuracy) |
| Output Signal | Single-bus Digital Interface |
| Sampling Period | 1 Hz (1 reading per second) |