1. This document lists 29 Arduino projects with an advanced level of complexity. They include projects such as a matrix LED candle light, brushless motor thrust stand, Arduino polygraph machine (lie detector), and controlling home appliances with a TV remote.
2. Many projects involve integrating Arduino with other devices like LED matrices, motors, sensors, and home appliances. Example applications include measuring thrust of brushless motors, detecting physiological signals to create a lie detector, and controlling lights through gestures.
3. The projects cover a wide range of applications from entertainment, like a Connect 4 game and Simon toy, to practical devices like a digital level and radioactivity counter. Many enhance the functionality of existing devices, such