Интересный девайс для удобного контроля над отклонением пульса (или других параметров: каденса, скорости etc.) от заданной величины:
4iiii Sportiiiishttp://4iiii.com/sportiiiis.htmlЦитата:
What is Sportiiiis?
Sportiiiis is a heads-up display that attaches to virtually any pair of sunglasses. The compact unit displays critical performance data through seven multi-colored LEDs on a small boom that is positioned just outside your primary visual plane, allowing you to be safe and focused on the road while monitoring data. Sportiiiis also provides audible data cues for precise feedback when needed.
How does it work?
Using the Mac, PC or Smartphone software, the LEDs can be programmed to visually respond to data from ANT+ devices. For example, when paired with a heart rate strap, you can create a custom setup for how the LEDs will respond to your heart rate (or load a preset workout based on your personal data). This workout program is then downloaded to the Sportiiiis unit.
Информация позаимствована с
Бироты.