Overview / Usage

Nurro is a wearable Muscle Stress calculator that calculates the stress on a targeted muscle and gives a feedback to the user and stream the data via BLE to a connected iPad or iPhone.

Nurro was initially built to provide real time stress data of a muscle so the problem of making decisions based on qualitative/visual data is substituted with real time accurate data.

Since it is a standalone wearable device, the user can wear it and perform training or day to day activities. The data will be logged and later synced with the App and Cloud Server. The user can also set a stress level so that the device will vibrate every time this threshold is crossed.

Methodology / Approach

Muscle Stress Data acquisition can happen in multiple ways and one of the best, cost effective methods to do so is through Electromyography (EMG) Signal extraction.

Reusable/Non-Reusable EMG acquisition and active noise cancellation system is the main part of this unit. The acquired data is digitized using with the help of an ADC and passed on to an Intel Curie module for further computations.

A touch sensor attached to Intel Curie is used to select modes or set stress level thresholds that triggers the vibrations sensor.

The entire hardware is designed with Bio Med specs for EMG acquisition and uses sensors and ICs approved for Bio Med applications.

An iPad app was designed to gather and analyse data and for settings adjustments.

The next step is to use ML to identify and/or predict various conditions including onset of fatigue and over stressing.

Technologies Used

Intel Curie, Arduino, Python, Swift, Eagle PCB Design

Collaborators