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IMP-ERSONATOR: Electric Imp + Arduino + Wave Shield = Remote Sound File Player

This Instructable will demonstrate how to make a remotely activated sound file player. It uses an Electric Imp, an Adafruit Wave shield and an Arduino Uno The Electric Imp enables you to quickly connect devices (including arduinos) to the internet through your Wifi network. The Adafruit Wave shield makes it simple to play audio files […]

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Open source multi channel EEG ECG EMG

Open source multi-channel EEG/ECG/EMG

Introduction Electrodes on the skin can be used to measure muscle (electromyography, EMG) brain (electroencephalography, EEG) and heart (electrocardiogram, ECG/EKG) activity. These electrophysiological measures are popular for clinical, research and hobbyist applications (such as brain computer interfaces). Most commercial systems are “medical grade” – these expensive systems offer high precision (16-24 bits), participant electrical isolation

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