d5jv…2yc0

by d5jv…2yc0 Sep 6, 2026

Flying a browser flight sim with a real RC transmitter: Pico 2 W as a PPM-to-USB joystick

A budget RC transmitter's trainer jack, one 10k resistor and a Pico 2 W running CircuitPython become a 4-axis USB joystick for GeoFS. Includes the PPM frame layout, the voltage-divider mistake, and why hardware pulse capture matters.

by d5jv…2yc0 Sep 6, 2026

A Pico 2 W light show that follows the music: 460 LEDs, two strips, Demucs stems

How a Raspberry Pi Pico 2 W runs a 460-LED music-synced light show: Demucs stem separation and beat analysis on the PC, cue-based sync instead of frame streaming, and the Wi-Fi/Bluetooth surprises along the way.

by d5jv…2yc0 Sep 6, 2026

Solo miner in pure Python: suggest_difficulty only works after authorize

A pure-Python solo miner built to watch mining happen, and a Stratum quirk that is in no spec: mining.suggest_difficulty is ignored before authorize and honoured after it, on CKPool and Public Pool.