Using the badge’s existing accelerometer to work out what its wearer is doing, with everything from data collection to inference running on the badge itself
Motion Sensing on the DEF CON 34 Badge
Making Ubuntu Usable on a Dell Latitude 7280
Fixing standby and WiFi issues on Dell Latitude 7280
N64 TAS (Tool-Assisted) Speedrun Research
Reverse engineering the Nintendo 64 JTAG debug interface
Installing hass.io (Home Assistant + Supervisor) on Raspbian with log2ram
Reduce SD card wear by running Home Assistant with log2ram
Testing and Tuning an 80W Laser Cutter from Amazon
Setting up and modifying a Chinese 80W CO2 laser cutter