In order to make machines, I need to learn how to practice making small prototypes first. The Alterra board project was a good one to help me learn how FGPAs work. Here is a list of further machines to make once you get time or need further inspiration from. --- - [DIY Laser Projector built from old hard drive](https://www.youtube.com/watch?v=u9TpJ-_hBR8) - uses an arduino - ![video](https://www.youtube.com/watch?v=u9TpJ-_hBR8]) - [16x16x16 LED Cube](https://www.youtube.com/watch?v=ciaFar8nfHc) - uses arduino - designed with KiCad