While a Raspberry Pi is a full-fledged computer that can do more complex things than an Arduino microcontroller, it's not the best choice for every project.

However, the Arduino can achieve several things that a Raspberry Pi can't. Arduino and Raspberry Pi models are both affordable, and there are many Raspberry Pi projects that won't break the bank.

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.

The Raspberry Pi team has released the Pico, a $4 microcontroller that competes with Arduino.

Programming the Raspberry Pi Pico with Arduino IDE The tutorial on Hackster.io provides a comprehensive guide on how to program the Raspberry Pi Pico using the Arduino IDE.

GPIO programming on a Raspberry Pi using Arduino's Web IDE - this post brings Raspberry Pi and Arduino together.

TL;DR: As of April 4, you can sign up for the All-in-One Raspberry Pi and Arduino Developer Bundle for just $69.99 — that's less than $8 per course.

The Udoo mini PC has four times the power of a Raspberry Pi with all the functions of an Arduino Due microcontroller.

Now, finally, there are nightly builds of Arduino IDE on the Raspberry Pi and other single board Linux computers.