Telephreak 19 Badge

A badge created for Telephreak's 19th year.

Board design and firmware are completely original to this project.

Was a rushjob. No real secrets, puzzles, or special art. Sorry.

Usage

A user manual will be written later.

When the user manual is available, you will find it here.

CH32L103 MCU: 62K Flash, 20K SRAM
Power optimized firmware
- Running at 48MHz nominal, even slower while asleep
- Power optimized animation programming and sleep
SSD1306 OLED, 128x32, reverse mounted board
15x front-firing RGB and purple LEDs
10x side-firing rear RGB LEDs
Infrared transmit and receive
Ambient light sensing
USB Type C for power and firmware updates
4x buttons for menuing, control, and bootloader
- Menus are used to program the nametag
- Bootloader can be used to load new firmware with USB
SC7A20H accelerometer
- Used for animations (maybe)
- Detects badge idle state to save power
AK09919C magnetometer
- Other than a compass, what can it do?
Powered by 3xAAA battery

Note

These should be accurate to the REV1 boards released at con, but there may be inaccuracies.