If you include a library file through the menu, and it’s not part of the core Arduino libraries, the IDE locates its source code and compiles and links it in to the core library for you.

The esp32-hal-ledc.* files provide helper functions to set up the hardware PWM generator, and with these libraries, getting a 16-bit LED fade in straight C or “Arduino” is easy.

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If you want to develop a program on Arduino with Raspberry Pi, then this tutorial has all the steps you need to take for it, in detail.

After waiting almost a month, I opened up the OLED and went right to testing it out. The link in the description pointed me to this website, which is a tutorial from Adafruit. Apparently, Adafruit ...