Heartrate monitoring in wearable design
May 23, 2019
4 Mins read

Introduction A very noticeable feature in modern wearables and smartwatches these days is the presence of an optical photoplethysmograph (PPG) heart-rate sensor. PPG is a non-invasive method of measuring the variation in blood volume in tissues using a light source and a detector. In this article, we will talk about some component-level heart-rate measurement (HRM) […]

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The LG watch R teardown
March 31, 2015
10 Mins read

Here at Thesis, we’re all fans of the latest and coolest gizmos and [smart]watches. The announcement of the new LG Urbane, the successor to the LG watch R was a surprise owing to the fact that the watch R was relatively new on the market. I got the opportunity to test this smartwatch myself and […]

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