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Gym Equipment OEM Module

The GEM module has been designed to allow OEMs to easily add Bluetooth and ANT+ wireless connectivity in their product offering. The GEM module incorporates Wahoo Fitness software specifically designed to enable fitness machines such as treadmills, exercise bikes, ellipticals, rowers, stair climbers, step machines to wirelessly communicate exercise data to smart phone or tablets as well as leaderboard software systems.

The GEM module is based on Nordic Semicondutor’s nRF51422 dual band Bluetooth and ANT+ chipset. The GEM module offers a variety of peripheral interfaces including UART, SPI, I2C, ADC, and GPIO, has a maximum transmit power of +4dBm, and a sensitivity of -93 dBm.

Star Trac

Case Study

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Star Trac: A Connected Fitness Machine Success Story

Star Trac, a global equipment manufacturer, wanted to offer wireless connectivity across all products so people could use their favorite smartphone apps to collect workout data in real-time. In less than eight months, Wahoo Fitness fully integrated Gym Connect, a solution that combines a wireless connectivity module, embedded firmware that communicates directly with the fitness machine as well as a companion mobile app to allow users to collect, view and store their fitness machine workouts. Star Trac now enters the market with a new system that gives users the freedom to easily send workout data in real-time to their preferred health and fitness app. Download the full case study for more information.

OEM Module B

User Guides

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GEM DEV Board Users Guide

The Wahoo GEM module development board (GEMDEV) provides an easy-to-use platform for prototyping and integrating the Wahoo Fitness GEM OEM module. Download this guide now to gain an understanding of how the GEM module operates. You can also test your application with the GEMDEV and Wahoo Fitness Equipment Console simulator software.


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GEM Module Hardware Guide

With the GEM Module, OEMs can easily add Bluetooth and ANT+ wireless connectivity to their product offering. Download this guide now to learn how the GEM module incorporates Wahoo Fitness software specifically designed to enable fitness machines such as treadmills, exercise bikes, ellipticals, rowers, stair climbers and step machines to wirelessly communicate exercise data with smartphone or tablets as well as leaderboard software systems. For applications other than fitness machines, developer’s can use Nordic Semiconductor’s SDK to create their own embedded application specific software.


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Equipment Profile Dev Guide

Download the Wahoo Fitness Machine Profile Dev guide now to understand the services and characteristics exposed to an application connecting over the Bluetooth Smart with a fitness equipment device that has incorporated the Wahoo Fitness GEM OEM module or Wahoo Fitness GEM retrofit module.


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GEMSAFE Application Reference and Command API

Download this guide now to learn more about the GEMSAFE application. It is designed to interface with a fitness equipment device over a serial connection using CSAFE protocol, read exercise data from the fitness equipment device, provide a method(s) for establishing a Bluetooth connection, communicate exercise data to a connected Bluetooth device with compatible application and optionally broadcast workout data over ANT+. The GEMSAFE application is a part of a complete system known as GymConnect.