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61c716ee58
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feat: UWB tag enclosure + stem anchor mounts (#57, #61, #62)
3× MaUWB ESP32-S3 follow-me UWB system: 1 wearable tag, 2 robot anchors.
chassis/uwb_tag_enclosure.scad
Belt-clip enclosure for MaUWB PCB (~50×25×10 mm) + TP4056 micro-USB
charger + 18650 cell. Snap-fit PETG shell + TPU 95A bumper sleeve.
IP44-ish 4 mm overlap + 2-turn labyrinth seam. Open antenna window in
lid (no PLA within 10 mm of UWB antenna). Power switch cutout (Y− face),
micro-USB port (X− face), LED window hole (Y+ face). Belt clip integrated
(PETG spring arm, 42 mm belt slot). RENDER: body/lid/tpu_bumper/assembly.
chassis/uwb_anchor_mount.scad
Stem-mounted anchor bracket for 25 mm OD stem. Split D-collar with M4
thumbscrews (tool-free), M4 hex nut pockets, M4 set screw height lock.
Anti-rotation flat tab on front half prevents axial rotation without stem
modification. USB cable routing channel in rear half. Module bracket tilted
10° outward — antenna faces horizon, clears stem metal. Back-wall cutout
behind antenna section (10 mm clearance). 250 mm anchor spacing (RENDER
"pair" shows both on stem section). RENDER: collar_front/collar_rear/
bracket/assembly/pair.
chassis/uwb_assembly.md
Full assembly notes: antenna clearance rules, IP44 seam description, stem
positioning diagram (anchors at 450 mm + 700 mm), USB cable routing,
complete BOM (~300 g total, tag ~130 g).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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2026-03-01 00:41:45 -05:00 |
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