DHT11 Humidity & Temperature Sensor

DHT11 Humidity and Temperature Sensor

The DHT11 is a digital sensor used to measure both temperature and relative humidity. It contains a humidity sensing element and a thermistor, along with an integrated signal-processing circuit that provides calibrated digital output. The sensor is widely used in weather monitoring systems, smart home applications, IoT devices, and Arduino-based projects due to its low cost and ease of interfacing.

• Sensor Type: Digital Temperature and Humidity Sensor
• Operating Voltage: 3.3 V – 5.5 V
• Humidity Measurement Range: 20% – 90% RH
• Humidity Accuracy: ±5% RH
• Temperature Measurement Range: 0°C – 50°C
• Temperature Accuracy: ±2°C
• Output Type: Digital Signal
• Sampling Rate: 1 Hz (one reading per second)