ECG Logger
ECG Logger is a complete Holter system incl. device and firmware.
NEW V3 version with RTC and buzzer (require V3+ ECG Logger Viewer application)
The ECG Logger project is a Wearable Cardio Monitor for Long-Term (up to 24h) ECG Data Acquisition and Analysis (aka Holter) with an ECG live (real-time) mode.
This project provides 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 boards for SD card mass-storage, instrumentation differential amplifier and RTC. It can help monitoring arrhythmia syndromes such as bradycardia, tachycardia, extra-systoles, pause or flutter.
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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see also:
ECG Logger Viewer application : https://sourceforge.net/projects/ecg-logger-viewer/