Difference: TheDHT11TemperatureAndHumiditySensor (2 vs. 3)

Revision 32020-05-14 - UliRaich

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Exercise 4: The DHT11 Temperature and Humidity Sensor

Introduction

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For this reason I have added a second driver allowing to read raw bit values as they appear in the DHT11 protocol. This allows the student to understand how the DHT11 actually works and what the driver is doing to extract the temperature and humidity values.

Here is the DHT11 data sheet:

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https://afnog.iotworkshop.africa/pub/IoT_Course_English/TheDHT11TemperatureAndHumiditySensor/DHT11.pdf

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Please read it carefully!

Exercise 1: The DHT11 using the MicroPython driver

Write a script which reads out thee DHT11 and prints its temperature and humidity values. As mentioned in the introduction, the DHT11 is connected to the ESP32 through GPIO pin 16.

The description of the MicroPython driver is found in the !MicroPython documentation.

Exercise 2: Understanding the DHT11 protocol

Uli Raich - 2020-05-06

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