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1.
▲
Show HN: I made open source, zero power PCB hackathon badges
github.com/KaiPereira
18 comments
3 months ago
kaipereira
158 points
2.
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Show HN: I designed my own 3D printer motherboard
github.com/KaiPereira
40 comments
7 months ago
kaipereira
127 points
3.
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I built a system to detect guns in schools and call 911
github.com/KaiPereira
10 comments
2 years ago
kaipereira
8 points