Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...

Arduino supplies a Java class file to do the task, but I got frustrated because the class file needed Java 11 and I didn’t want to put it on every machine I use, so I just rewrote it in C.

There is no “Arduino language” and your “.ino” files are three lines away from being standard C++. And this obfuscation hurts you as an Arduino user and artificially blocks your progress ...

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.

Plotclock combines Arduino and 3D printing for a clock that writes and rewrites the time every minute.