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UbiWatch

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A smartwatch built from scratch, featuring a custom 4-layer PCB, nRF5340-based (Dual-core ARM Cortex-M33) firmware written in Rust, and a resin-printed chassis.

altium arm-cortex-m33 ble embedded-systems nrf5340 ppg rust smartwatch solidworks step-counting

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Name		Name	Last commit message	Last commit date
firmware/ubiwatch		firmware/ubiwatch
hardware		hardware
pictures		pictures
.gitignore		.gitignore
README.md		README.md

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JWatch

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This watch is entirely built from scratch. A significantly improved version of [BumWatch][BW]!

MCU: NORA-B106 (nRF5340) - Dual-core ARM Cortex-M33

Power: MCP73832 (Charger), MAX17055 Fuel Gauge, TPS7A02 (Dual-rail LDOs)

Peripherals: MAX30102 (Heartrate Sensor), BMI270 (IMU), DRV2605L (Haptics Driver), GC9A01 (1.28" Round SPI TFT)

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About

A smartwatch built from scratch, featuring a custom 4-layer PCB, nRF5340-based (Dual-core ARM Cortex-M33) firmware written in Rust, and a resin-printed chassis.

altium arm-cortex-m33 ble embedded-systems nrf5340 ppg rust smartwatch solidworks step-counting

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