Collaborate Disseminate
Sometimes, whether we like it or not, ordering PCBs results in extra PCBs lying around, either because of board house minimums, mistakes on either end, or both. What’s to be …read more Continue reading Cyberpunk Guitar Strap Lights Up with Repurposed PCBs
[Hari Waguna] wanted to build a computerized Sudoku game. Ordinarily, that wouldn’t be a big deal. You can buy one, of course, but what fun is that? There’s plenty of apps for phones, but again, not much of a challenge. If you want to preserve your hacker cred, you’d use a CPU board like an Arduino or a Raspberry Pi with an LCD screen, right? But if you want to grow your hacker cred, you’d follow [Hari’s] lead and use 81 seven-segment displays and a membrane keyboard.
Driving that many displays takes some doing (in this case shift registers). [Hari] …read more
Continue reading Handheld Sudoku (Assuming You Have Large Hands)