This document provides a list of 20 advanced Arduino projects with descriptions:
1. Several projects involve displaying information on screens or displays, including a 7-segment display project, an audio DAC options project comparing different DAC methods, and a project displaying images on an OLED display.
2. Other projects include a laser shooting game, a laser tag game using Circuit Playground and ESP8266 boards, a single digit clock, and a GRBL-based coil winder made from PVC pipes.
3. Additional projects cover topics like multiplexing 7-segment displays with shift registers, a Halloween pop-up prop, an Arduino RSS feed display, a rainbox jar using RGB LEDs controlled