| Layer | Where |
|---|---|
| Pendant firmware (XIAO ESP32-S3 Sense) | firmware/ |
| Backend (FastAPI, 4-layer AI) | backend/ |
| Android companion app | app/ |
| Printable case | hardware/CASE.stl |
| You want to | Open |
|---|---|
| Flash the pendant | firmware/readme.md |
| Run the backend | backend/README.md |
| Build the Android app | app/README.md |
| Print the case | hardware/README.md |
Pendant streams audio and frames over Wi-Fi. Backend turns them into searchable memory. The app is how you ask the memory a question.
Off-the-shelf parts. Printable case. No proprietary enclosure.
| Piece | Spec |
|---|---|
| MCU | XIAO ESP32-S3 Sense |
| Mic | Digital PDM |
| Camera | OV2640 |
| Wireless | Wi-Fi 2.4GHz + BLE 5.0 |
| Case | hardware/CASE.stl |
Total BOM: around $50 USD. Component list and assembly notes live in hardware/README.md.
MIT licensed. Built by a four-person undergrad team in Pune.