Mitxela's Project Concepts
mitxela.com
mitxela.com
I'm not affiliated with him and recently discovered his channel on youtube[3]. But his homepage is just a sparkling land of great and funny things, I had to share it.
[1] https://mitxela.com/projects/hardware
[2] https://mitxela.com/projects/software
[3] https://www.youtube.com/channel/UCeEf90AEmmxaQs5BUkHqR3Q