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DHT11 Low Cost Humidity and Temperature Sensor
DHT11 digital temperature and humidity sensor is a composite sensor measuring temperature and relative humidity in a single four pin package. The sensor includes a resistive humidity sensor and an NTC thermistor. A high-performance 8-bit microcontroller converts raw measurements of the sensors to a calibrated digital output every two seconds.
DHT11 measures relative humidity in the range 20% to 95% with +-5% accuracy.
DHT11 measures temperature in the range 0 to 50 degrees Clesius with an accuracy of +-2 degrees.
Supply voltage range is 3.3 V-5 V but works best at 5V.
One bi-directional digital output for temperature and humidity measurements.
One line of code reads humidity with the EzSBC1.
Humidity=DHTHUM( PinNo, 11)
One line of code reads temperature with the EzSBC1
Temperature=DHTTEMP( PinNo, 11)
See the DOWNLOADS tab for the datasheet.