Perhaps without many of us realising it, our single board computers perform the task of making programming their processor or SoC a lot easier. They take care of setting the right lines or commands… ...

In this example a PlatformIO project has already been created. The project configuration can be inspected in the platformio.ini file. The platformio (or pio) command-line interface should be installed ...

Take the ESP32-CAM, a board that started appearing on the market in early 2019. On paper, the thing is amazing: an ESP32 with support for a camera and an SD card, all for less than $10.