| Data / ML |
▴ Algorithm design |
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▴ Classifier training |
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▴ Python MQTT server |
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▴ Data transform pipeline |
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▴ Feature extraction / definition |
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▴ Coach / health-assistant models (e.g. Oura, Whoop) |
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▴ Cloud algorithm + model deployment |
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▴ > 20 supported exercises |
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▴ < 20ms detection latency |
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| Overhand Tracker |
▴ Hardware architecture |
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▴ PCB schematic / routing (21 revs) |
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▴ 6-layer PCB design |
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▴ SMT prototyping |
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▴ RF antenna design + tuning |
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▴ Charger schematic / routing |
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▴ Waterproof magnetic connectors |
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▴ Power / cost optimization |
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▴ Pilot production (200 units) |
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▴ Gym / Kiosk / Exhibit installations |
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| Firmware |
▴ AVR sensor fusion |
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▴ ESP MQTT over WiFi |
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▴ 1kHz ODR |
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▴ 18kbps TX rate |
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▴ < 10ms RX latency |
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▴ > 20m range |
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▴ > 40 simultaneous units |
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