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The DHT11 sensor can measure relative humidity and temperature with the following specifications.holzpreise schweiz 2023ĮSP32 - Temperature Humidity Sensor ESP32 Tutorial
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KY-015 Temperature and Humidity Sensor Module Fritzing Part.
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This protocol requires very precise timing in order to get the data from the sensor. The sensor can operate between 3 and 5.5V DC and communicates using its own proprietary OneWire protocol. The DHT11 is a 4-pin (one pin is unused) temperature and humidity sensor capable of measuring 20% - 90% relative humidity and 0 to 50 ☌.