DHT11 Temperature and Humidity Sensor

With a very small design, DHT11 is a composite temperature and humidity sensor, which sends calibrated digital signal output. DHT11 temperature and humidity sensor has an 8-bit microcontroller, low cost, fast response and anti-interference.

DHT11 Sensor Details

• Low cost
• 3 to 5V power and I/O
• 2.5mA max current use during conversion (while requesting data)
• Good for 20-80% humidity readings with 5% accuracy
• Good for 0-50°C temperature readings ±2°C accuracy
• No more than 1 Hz sampling rate (once every second)
• Body size 15.5mm x 12mm x 5.5mm
• 4 pins with 0.1"" spacing