Michael Martyn
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Blog.

Welcome to my blog. It is a simple blog in the style of the 90s. If you like what you read, contact me through my social links in the footer


Showing posts tagged #fitness. Clear filter

Teaching my Apple Watch where my hand is

1 Sep 2026 | Michael Martyn | 8 min read #wearables#fitness#machine-learning

The question Can one determine where a person is holding their wrist using nothing but the accelerometer and gyroscope in an Apple Watch Series 8? The candidate positions are a coat pocket, a jeans pocket, an arm hanging by the side, a forearm raised for …

Wearable data analytics: A year-long exploration of smartwatches and data engineering

2 Oct 2023 | Michael Martyn | 4 min read #wearables#fitness

Intro This project began as an attempt to put three separate interests in the same place: a hobbyist’s enthusiasm for fitness and wearables, a professional background in data engineering and data science, and a wish to spend more time in cloud infrastructure and web development. …