arsen
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2538fa2fab
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docs: import hardware photos + sensor inventory
9 photos of the additional sensor/antenna hardware staged for ADR-120+
experimentation (captured 2026-05-18):
sensor_01 5× u.FL pigtail antennas (bare)
sensor_02 4× flat PCB-strip 2.4 GHz antennas w/ 3M backing + u.FL
sensor_03 HLK-LD2402 24 GHz mmWave radar (close-up, chip S1KM0008)
sensor_04 CP2102 USB-to-UART bridge (AMS1117-3.3 LDO)
sensor_05 HLK-LD2402 + USB-UART wired together (working setup)
sensor_06 ESP32-S3 dev board with microSD slot (back)
sensor_07 ESP32-S3-WROOM with OV-camera + ribbon FFC mounted
sensor_08 YD-ESP32-23 2022-V1.3 (back) — spare matching nodes 1-6
sensor_09 YD-ESP32-23 (front) — ESP32-S3-N16R8 + FTDI
assets/sensors/README.md catalogues each photo + suggests where each
piece fits in the roadmap:
* u.FL antennas → attach to n1/n5 (near-AP, sep_ratio ~0.05 per ADR-118)
* HLK-LD2402 → vitals ground-truth reference for WiFi pipeline
* Camera-ESP32-S3 → on-device camera capture for WiFlow Pack E.2 retrain
* YD-ESP32-23 spare → flashable as node 7 when needed
Photos referenced only from this README, not used by any code path.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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2026-05-18 11:09:45 +07:00 |