Check below Arduino based projects,full tutorial,click to watch.
Small oled screen Attiny project:https://youtu.be/x54wzKgsd40
10 Led Chaser using Arduino:https://youtu.be/UeT0DYLiTLs
Legoino - Arduino PCB Minifigure:https://youtu.be/L05MI-HIKY0
Did you miss our previous article...
https://coolstufftomake.com/gadgets/3-gadgets-men-will-like-shorts