Android based Bluetooth Electrocardiogram

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Android Bluetooth Electrocardiogram is a personalized home monitoring and feedback android app for ECG and heart health. The main aim of this project is to build a low-cost electrocardiogram device that can be easily used by someone with low technical expertise. This project can be used as semester project or final year project by Electronics/Communication Students.

You can download the complete source code and project report of Android based Bluetooth Electrocardiogram from the link below. The source code and project report are in a pdf file which contains detailed description of the project: summary, problem description, hardware overview, software overview, android application overview, and future enhancements.

Download Android based Bluetooth Electrocardiogram with Source Code and Project Report

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Download Android based Bluetooth Electrocardiogram with Source Code and Project Report

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Android Bluetooth Electrocardiogram:

Electrocardiograms:

Electrocardiograms (ECGs) are used by medical professionals to monitor the heart of a patient. These devices usually operate with up to 12 leads connected to the patient’s skin in a prescribed pattern. An ECG can be used to detect abnormal cardiovascular symptoms, measure heart rates, and monitor heart diseases.

The most common non-medical application of an ECG is to measure a heart rate during a workout; however, the aim of this project is to prototype a device that could aid remote monitoring as well as feedback.

In addition to hospital based systems, there are also long-term home monitoring systems such as Holter monitors. These systems record 3 to 12 electrodes worth of data onto the device, and are then brought in by the patient for analysis. These monitors are intended to be used over longer periods or to test for off-site conditions such as daily routine or specific triggers.

Why Android Platform:

The Android environment was chosen for ECG software for multiple reasons. One reason for choosing the Android platform is that it provides the option to run the app as a ‘service’, which allows it to run constantly in the background while iOS does not provide this option to developers. And, Android application is Java-based, which is a familiar language amongst the team members.

How the System Works:

The Android Bluetooth Electrocardiogram consists of the software and hardware material for a typical wireless electrocardiogram device. It also consists of Android application which together with the hardware records and displays the user’s heart signal and health.

The proposed prototype was developed to work in the following sequence:

  • read the voltage signal generated by the test subject
  • filter out the background noise, amplify the signal to a manageable level
  • convert this analog signal to 10 digital bits
  • transmit this signal over Bluetooth
  • display the data graphically on the paired Android device
  • save the data for future reference within the application

Future Possibilities:

Future enhancements and further development of this prototype include: extending the android application, firmware improvements, and hardware improvements. Extending the Android application includes real-time heart rate monitoring and analysis, multiple mobile devices attached to one ECG, and improved data saving and analysis.

Firmware improvements include migration to micro controller and low-power Bluetooth. Whereas, hardware improvements include enhancements to the hardware components such as leads, PCB, electrodes, isolation, and power.

Prototype Overview:

MainActivity.java layout
Real-Time Charting Screen in Action

Also see,
Bluetooth Activation Android App
SmartFTP Client Android App
All Android Projects

Conclusion:

The proposed prototype of a personalized self-monitoring heart health android app can be used as a reference project by Electronics/Communication students. It can also be valuable as a starting point for those looking to create either a similar project or extend the proposed prototype to meet the goals detailed above.

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