DHT11 Temperature and Humidity Sensor with Pinguino

DHT11 Temperature and Humidity Sensor with Pinguino

DHT11 is a common humidity & temperature sensor. This sensor has a single wire serial interface with special timing diagram for the single wire interface.

dht11_timing_diagram

When the MCU sends a start signal, DHT11 sends a response signal followed by the humidity reading and then the temperature reading.

dht11_pinout

To know more details about the operation of DHT11, a project on hackster.io made by Jan Zumwalt, demonstrates how you can connect DHT11 with Olimex Pic32 Pinguino Micro.
Jan said that he tested the code with a DHT11, and should work with DHT22. DHT22 have a larger ranges for humidity and temperature readings.

[Project Page]
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Embedded Hardware Engineer interested in open hardware and was born in the same year as Linux. Yahya is the editor-in-chief of Atadiat and believes in the importance of sharing free, practical, spam-free and high quality written content with others. His experience with Embedded Systems includes developing firmware with bare-metal C and Arduino, designing PCB&schematic and content creation.

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