If you want a gorgeous e-paper weather display, the design work has already been done for you with this ESP32 project.

Using hardware I2C on an ESP32? Do you need to connect multiple I2C devices with the same address? Normally, you wouldn’t be able to do that without extra parts, but on the ESP32, [BastelBaus] h ...

But many modern microcontrollers, like the ESP32 ... mainloop schema in my mind, which for instance the Arduino inherited and formalized in its setup() and loop() functions. Pin mappings go ...