Health-Monitoring Flexible Smartwatch

Hackaday Prize Entry: Health-Monitoring Flexible Smartwatch

[Nick Ames]’s Flexible Smartwatch project aims to create an Open Source smartwatch made out of a flexible, capacitive e-ink touchscreen that uses the whole surface of the band. This wraparound smartwatch displays information from the on-board pulse and blood oximetry sensor as well as the accelerometer and magnetometer, giving you a clear idea of how stressed…

 

Health-Monitoring Flexible Smartwatch

Tilt activated LED watch

askoog89 saw a major flaw with many LED watches – you have to press a button to see the time:

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A Watch

I tried fix that problem by using a tilt switch to active the LED showing the time when tilt your arm to look at the watch

The watch uses the low power MSP430G2211 MCU from Texas instruments to control the LED and mesure the time with the help of a 32kHz watch cristal. The MCU sleeps most of the time only waking up ones a second to count up the time and check if the tilt switch is active.  To show the time the watch uses 12 charlieplexed orange LEDs.

Tilt activated LED watch