This DIY project encompasses the widest range of knowledge fields I've tackled so far. Despite facing numerous setbacks throughout the process, I gained a wealth of knowledge.
The video doesn't cover many technical details and behind-the-scenes stories due to time constraints.
Regardless, it's a satisfying achievement for me, especially having gone through the firsthand experience. There's been some improvement in the video craftsmanship as well.
Open-source link: https://github.com/RealCorebb/bbAir
Also, there is a video to show my story and the result of it (it has English subtitles):