project12 min read · Jun 5, 2026
Reviving the WHY2025 Badge, part 1: Firmware Port, Bluetooth & the LED Matrix
The WHY2025 camp is over, that doesn't mean it should collect dust. Part 1 mentions bringing BadgeVMS up to a newer firmware build, surviving the porting war stories, implementing Bluetooth Low Energy and support for the LED-matrix add-on.
why2025badgeesp32-p4esp32-c6firmwareembeddedbluetoothblebadgevmsreverse-engineering