Solutions to Exercise 9: Real Time Clock and Data Logging

Exercise 1:

Since connecting to the Internet through WiFi is a very common task, we develop a module doing only this. The module can be put into the /lib directory on the ESP32 (or even better: frozen into the binary of MicroPython) making it available also for later exercises.

Here is a program connecting to the Internet through WiFi. You will have to modify it in order to adapt it to your WiFi SSID and password.

https://afnog.iotworkshop.africa/pub/IoT_Course_English/SolutionsToRealTimeClockAndDataLogging/wifi_connect_UCC.py.txt

... and this is how to access it and what it will print as answers:

Exercise 2:

Sometimes you may not have access to WiFi but you want to set the time nevertheless. Then the solution to exercise 2 comes in handy:

https://afnog.iotworkshop.africa/pub/IoT_Course_English/SolutionsToRealTimeClockAndDataLogging/esp32RTC.py.txt

The exercise sheet already shows how to use the program

-- Uli Raich - 2020-05-06

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