From https://mangavalk.com/Hexapod/Hexapod @ 7945005 (its Hexapod_Teensy is identical to the copy already in LEGACY). Earlier electronics generation: on-board IK driving an external SSC-32-style servo controller. Notes on what still applies are in CLAUDE.md. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>