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wraggster
June 9th, 2014, 21:45
http://hackadaycom.files.wordpress.com/2014/06/ecg.jpg?w=580&h=262
The title of [Nuclearrambo's] post says it all, “Android based wireless ECG monitoring (http://nuclearrambo.com/wordpress/android-based-wireless-ecg-monitoring-temperature-sensor-glucometer-included/)(Temperature sensor and glucometer included).” Wow! What a project!
The project is built around the HC-06 bluetooth module (http://mcuoneclipse.com/2013/06/19/using-the-hc-06-bluetooth-module/) and the Stellaris LaunchPad from TI (http://www.ti.com/ww/en/launchpad/launchpads-connected-ek-tm4c123gxl.html), an inexpensive ARM developer kit. Building an ECG (http://hackaday.com/2014/02/23/mobilecg-goes-open-source/) is a great way to learn about instrumentation amplifiers (http://hackaday.com/2014/02/13/arduino-powered-ecg-informs-users-of-their-death/), a type of differential amplifier used for its extremely high common mode rejection ratio (CMRR). Please be sure to keep in mind that there are a myriad of safety issues and regulation concerns for medical device, and there is no doubt that an ECG is considered a medical device. Sadly, [Nuclearrambo's] post does not include all of the code and design files you need to build the system, which is understandable considering this is a medical device. That being said, he provides a lot of information about building high-quality ECG instrumentation and the web interface.
It would be great if [Nuclearrambo] could post the Android application code and Stellaris LaunchPad code. Even with these omissions, this post is still worth reading. Designing medical devices requires a lot of know-how, but who knows, maybe your next project can save your life!
http://hackaday.com/2014/06/05/android-based-wireless-ecg/