Difference: WiFi (4 vs. 5)

Revision 52022-09-25 - UliRaich

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META TOPICPARENT	name="Exercises"

Connecting to WiFi

Exercise 1:

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Exercise 6 :

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Move the server to the ESP32. In this case, the WiFi initialization is needed before starting the server part. Test the communication as you did in exercise 5.
Move the client to the ESP32 and run the server on the PC.

Exercise 7 :

Changed:

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Move the server to the ESP32. In this case, the WiFi initialization is needed before starting the server part. Test the communication as you did in exercise 5.

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Write a client on the ESP32 which reads the temperature and humidity from the DHT11 every 5s and packs the result into a message of the following form:
temperature [°C]: 25,humidity [%]: 56
Send this message to a server on the PC

The server parses the message and extracts the parameter names (temperature [°C] and humidity [%]) and the values and plots them in a dynamic plot created with matplotlib. The parameter names are used for the legend, the values are displayed graphically.

In the above plot, I put a finger on the DHT11, which quickly increases the measured humidity and more slowly increases the temperature.

Uli Raich - 2022-08-29

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META FILEATTACHMENT	attachment="solution_ex2.png" attr="" comment="" date="1662234773" name="solution_ex2.png" path="solution_ex2.png" size="72697" user="UliRaich" version="2"
META FILEATTACHMENT	attachment="wifi_connect.py.png" attr="" comment="" date="1661761728" name="wifi_connect.py.png" path="wifi_connect.py.png" size="21352" user="UliRaich" version="1"
META FILEATTACHMENT	attachment="client-server.png" attr="" comment="" date="1662279423" name="client-server.png" path="client-server.png" size="203943" user="UliRaich" version="1"

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META FILEATTACHMENT	attachment="dht11Plot.png" attr="" comment="" date="1664094975" name="dht11Plot.png" path="dht11Plot.png" size="32021" user="UliRaich" version="1"

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