What building things actually taught me: real test results, mistakes I caught, and what I would do next.https://lucasbianco.com/notes/en-ushttps://lucasbianco.com/notes/99-phone-scans-card-scanner/https://lucasbianco.com/notes/99-phone-scans-card-scanner/My Pokémon card scanner looked great on test images. Then I scanned 99 real cards with my phone and found out the real problem was finding the card at all.Fri, 31 Jul 2026 00:00:00 GMThttps://lucasbianco.com/notes/trading-bot-proved-it-doesnt-work/https://lucasbianco.com/notes/trading-bot-proved-it-doesnt-work/I built a forex signal scanner, then backtested it honestly. It won 46% of the time when it needed 55.6%. Here's how I found out, and what I kept.Mon, 13 Jul 2026 00:00:00 GMT