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ECG Logger

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ECG Logger is a Wearable Cardio Monitor for Long-Term ECG Data Acquisition and Analysis.

The ECG Logger project is aimed for providing a very low-cost open-source “Hardware and Software” for a Cardiac Rhythmic Holter. The hardware has been made very simple and is based on an Arduino Nano micro-controller with two companion boards for the SD card mass-storage and the instrumentation differential amplifier. It can help monitoring arrhythmia syndromes such as bradycardia, tachycardia, extra-systoles or pause.

WARNING:
In no case it can be use to replace a professional medical examination.
Device MUST NOT BE CONNECTED to appliance powered by mains – risk of electrical shocks
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ECG Logger Viewer : Companion software for programming and viewing Holder recording (https://sourceforge.net/p/ecg-logger-viewer)

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Website https://ecg-logger.sourceforge.io
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License
Features
  • Stable, reliable and durable recorder, based on "Arduino Nano".
  • Very low cost (less than 30 €/35 $) and easy to built device.
  • ECG waveform recording and Event marking.
  • Record up to 24-hour of ECG signal.
  • Built-in SD card for storage (removable).
  • Record waveform details based on high precision and sampling frequency.
  • Record the state of heart rate using higher sampling frequency (250Hz).
  • Accurate start time record and sampled data (8/10-bit).
  • Automatic R-R peaks detection using Pan-Tompkins.
  • Small in size (L100 x W60 x H25 mm).
  • International standard of 3 leads (single channel).
  • No need to compress or delete original data, thanks to the large storage capability.
  • Very simple and user friendly interface (1 LED + 1 Button).
  • ECG data format has been optimized and details are available from the documentation.
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  • BUILDING INSTRUCTIONS:
  • Device assembly instructions and list of components are available from the PDF documentation.
  • Firmware source code is available from the Files section.
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  • NOTES:
  • ECG File format is proprietary (details are available in documentation).
  • EDF/BDF format exportation requires the companion software application (ECG Logger Viewer).
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  • DISCLAIMER: *** RISK OF ELECTRICAL SHOCKS AND DEATH ***
  • Persons unskilled, not familiar or unaware of electrical risks are discouraged to get involved.
  • This project is ONLY for educational purposes and not aimed for medical diagnostics.
  • Use of this project information is under the SOLE RESPONSIBILITY of the USERS.
  • This device has not been approved for any kind of use.