DHT11 Temperature And Humidity Sensor Module

SKU: VM121

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Description

DHT11 is a low-cost digital sensor for sensing temperature and humidity.  This sensor can be easily interfaced with any micro-controller such as Arduino, Raspberry Pi etc… to measure humidity and temperature instantaneously.

DHT11 humidity and temperature sensor is available as a sensor and as a module. The difference between this sensor and module is the pull-up resistor and a power-on LED. DHT11 is a relative humidity sensor.  To measure the surrounding air this sensor uses a thermistor and a capacitive humidity sensor.

Technical Specification:

  • Operating Voltage: 3.5V to 5.5V
  • Operating current: 0.3mA (measuring) 60uA (standby)
  • Output: Serial data
  • Temperature Range: 0°C to 50°C
  • Humidity Range: 20% to 90%
  • Resolution: Temperature and Humidity both are 16-bit
  • Accuracy: ±1°C and ±1%

Features:

  • DHT11 sensor with PCB and LED indicator along with cable; 3 to 5V power and I/O, 4 pins with 0.1″ spacing
  • Good for 20-80% humidity readings with 5% accuracy
  • 2.5mA max current use during conversion (while requesting data)
  • Good for 0-50°C temperature readings ±2°C accuracy.
  • The board has a pre-built 4.7K or 10K resistor, which you will need to use as a pull-up from the data pin to VCC

Applications:

  • Measure temperature and humidity
  • Local Weather station
  • Automatic climate control
  • Environment monitoring

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