I made a little LED Matrix and everything went wrong

5pcs 6-20 layer PCBs with free Via-in-Pad from $2 , Sign up here to Get $60 Coupons:https://jlcpcb.com/?from=bitluni (Sponsor) I designed this matrix 5 years ago and finally took some time to assemble and test it. All went wrong but I manage to make it work anyways. ...and it's bright! Pixel Pump & SMD magazines: https://link.bitluni.net/pixelPump (Sponsor) code: https://github.com/bitluni/sao1c Maker Faire Hannover: https://maker-faire.de/hannover/ Meetup@Musikkabinett: https://pretix.eu/smmkgmbh/meet2024/redeem?voucher=BITLUNI-10 (20% off) Tools and parts (affiliate links): Thermal Camera Infiray T2S+ /w focus lens: https://aliexpress.bitluni.net/t2splus Preheating Station: https://aliexpress.bitluni.net/heatingStation Low Temp Solder Paste: https://aliexpress.bitluni.net/lowTempPaste Flux: https://aliexpress.bitluni.net/flux Soldering Mat: https://aliexpress.bitluni.net/mat SK6805 RGB LEDs: https://aliexpress.bitluni.net/sk6805 Clampmeter: https://amazon.bitluni.net/clamp Tweezers: https://aliexpress.bitluni.net/tweezers Github Sponsors: https://github.com/sponsors/bitluni Patreon: https://www.patreon.com/bitluni Channel membership: https://www.youtube.com/channel/UCp_5PO66faM4dBFbFFBdPSQ/join Paypal: https://paypal.me/bitluni bitluni live: https://www.youtube.com/@bitluniLive Twitch: https://www.twitch.tv/bitluni Mastodon: https://chaos.social/@bitluni Twitter: @bitluni Discord: https://link.bitluni.net/discord