| Smart XXX Ring |
▴ Product concept |
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▴ Hardware architecture |
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▴ PCB schematic / routing (6 revs) |
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▴ FPC schematic / routing (8 revs) |
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▴ 4-layer FPC design |
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▴ SMT prototyping |
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▴ PIFA antenna design + tuning |
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▴ 6-axis IMU |
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▴ Ultrathin flexible LiPo battery |
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▴ Waterproof magnetic connectors |
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▴ Cost/power optimization |
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▴ Charging dock design |
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▴ CAD enclosure design |
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▴ 3DP prototyping |
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▴ Silicone cast prototyping |
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| Firmware |
▴ █████ BLE core |
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▴ Motion datalogging |
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▴ SPIFFS storage |
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▴ Mobile data visualisation |
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| Data / ML |
▴ Algorithm design |
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▴ Feature extraction / definition |
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▴ Position/motion classifier training |
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▴ Thrust counter |
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▴ Angle/speed/depth tracking |
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