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Setup

Marker sheet

Six ArUco markers let the overhead camera find the arena, the robot and you. Print them once, place them, and the console takes it from there.

Print on A4 at 100% scale, one marker per page. The exact size is not critical — the arena is measured between marker centres — but keep the white border around each marker and keep the paper flat.
  1. #0 · Robot

    On top of the robot

    Lay it flat with the arrow pointing to the robot’s front. If it ends up rotated anyway, the Calibrate button corrects it.

  2. #1 – #4 · Corners

    Around the arena

    On the floor, counter‑clockwise seen from above: #1 near‑left, #2 near‑right, #3 far‑right, #4 far‑left. Enter the centre distances #1→#2 (W) and #1→#4 (H) in the console. Best raised to the robot marker’s height.

  3. #5 · Follow me

    In your hand

    Hold it flat and facing the camera. Press Follow me in the console and the robot keeps a polite distance behind you.

Preview

Dashed lines are cut guides