The Clio 3 dash has two things worth replacing: the radio and the little info display above it. I did both, as two separate installs - a Pioneer 1-DIN head unit that drives the speakers and sub, and a rooted, degoogled …
A Raspberry Pi 4 in the car reads ~20 sensors off the OBD-II port over a Bluetooth dongle, logs them to a local time-series database, and shows them on a custom touch HUD and Grafana. The interesting parts: estimating …
The K2 Plus runs a Klipper fork with a 1.88 MB Cython binary at its core. What is inside it, how I read it without the source, and what the firmware does that the touchscreen does not admit.
A LoRa mesh that needs no cell towers, no ISP, no permission. End-to-end encrypted, kilometre range on a coin cell. Here is the protocol I picked, the power math that decides everything, and what it extends into: sensor …
Klipper on a Pi Zero 2W hidden inside the printer base, powered and serial-fed from the stock display header. Plus direct-drive, dual Z, custom heatbreaks, and the mods that followed once the host was clean.
I learned FreeCAD 1.x by drawing parts for hobby rockets: nosecones, fin sections, motor mounts, recovery bays. The channel that taught me the workflow, and the parametric discipline that stuck around for everything …
I forked okalachev/flix, printed a frame, and learned the IMU pipeline the slow way. Here is what every step between 'motor spins' and 'thing hovers' actually costs.