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DHT11 Temperature And Humidity Sensor Module with LEDFeatures-DHT11 sensor with PCB and LED indicator along with cable; 3 to 5V power and I/O, 4 pins with 0.1″ spacingThe 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.2.5mA max current us..

SeeedStudio Grove Temperature & Humidity Sensor DHT11Features-Relative humidity and temperature measurementFull range temperature calibrated compensationSingle bus digital outputHigh precision capacitive humidity sensorLong term stabilityLong transmission distance (>20m)Low power consumptionC..