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Tag: smartwatch

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This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control
diy projects

This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control

A maker built an open-source STM32L4 smartwatch with a six-axis IMU, BLE, and USB-C mass storage, then released every line of firmware to fork.

Ann Arandia Jul 8, 2026

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