Jacek Fedoryński's blog

What I've been up to

DIY Surface Dial

Two mice, two cursors

Razer Raion padhack

Flatbox

Fightsticks

Bluetooth trackball Mark II

Dactyl Manuform build log

Lean back to scroll

Hat mouse

Plotting sensor data with MS Paint and Bluetooth HID

USB "rubber ducky" with mouse input

Human trackball

Bathroom occupancy monitor

Darkroom enlarger timer

Darkroom tray timer

Bluetooth trackball with all the electronics inside the ball

Time tracking wifi cube

Google Assistant support for IKEA TRÅDFRI lights

External notification light for your phone

Morse code Bluetooth keyboard

Bluetooth mouse from a Wii nunchuck

Bluetooth emergency mute button

DIY presentation clicker

Bluetooth thermometer