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.
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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.
M5Stack's $45 StopWatch Dev Kit squeezes an ESP32-S3R8, AMOLED touchscreen, 6-axis IMU, RTC, mic and speaker into a pocketwatch-sized maker board.
Wrist-mounted Spider-Man web slinger built from a custom PCB and 3D-printed shell, with addressable RGB LEDs and a satisfying click on each shot.