Audience: developers. Tone: tutorial. Target: 32 slides. Brand: Rangle.io (coral primary, charcoal, white, mono code). Only reference doc found was "Rangle" (# RANGLE MARP DECK) with no retrievable body.
Interpretation: "kilter tutorial" = developer tutorial on building apps against the Kilter Board climbing trainer ecosystem (Kilter/Aurora API + SQLite sync model + BLE LED control). 32 slides covering API, auth, sync, decoding frames, rendering, BLE, and building a mini client.