Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

This article will explain how to code a simple EA and a custom indicator in MQL4 (MetaQuotes Language 4), using a moving average crossover strategy for the EA and a color-coded Relative Strength ...

Another warned fellow shoppers: "It's a shame the watch looks great but the pulse sensor doesn't work, watch is probably too thick, so no sleep data either." And a third customer noted that ...

Wish to burn calories but don't know where to start from? These spin bikes are for your rescue.

The operating principle of a self-mixing sensor is described, which ensures the separation of signals from individual targets in the radio wave monitoring zone. The operating principle is based on the ...

Apple announced it’s launching a redesigned blood oxygen feature where the metric will be calculated on the iPhone instead of the watch itself.