Microcontroller enables sports watch to go the extra mile

07 January 2014

The EFM32 Giant Gecko microcontroller has been used by Magellan in this Echo smartphone-compatible sports watch.

Named as a CES Innovations 2014 Design and Engineering Award Honoree, the Echo is the first open, smart, sports watch that enables application developers to augment apps to be viewed on and controlled from the wearer’s wrist.

It uses Silicon Labs’ EFM32 Giant Gecko 32bit microcontroller, based on the ARM Cortex-M3 core, enabling it to operate for 11 months on a single CR2032 coin-cell battery, says Silicon Laboratories.

The display and watch face can be customised to reflect various sports and fitness activities from running, biking, hiking to golfing and can remotely control music and sports apps from a smartphone. It uses the smartphone’s integrated GPS and communicates directly with Bluetooth Smart-enabled iPhone and Android smartphones.

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