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PiEEG-Open Source Raspberry Pi Shield that Measures EEG, EMG, and ECG biosignals

by: Mar 18,2022 10535 Views 2 Comments Posted in Technology

Bio Sensing Raspberry Crowdfunding Project

PiEEG is a open source Raspberry Pi shield that can measure biosignals in electroencehalography(EEG),electromyography(EMG), electrocardiography(ECG),etc. PiEEG can be used in various ways in a very easy way and it is compatible with different types of electrodes. What is worth mentioning is that PiEEG is designed for everyone to use, all you should do is connect the electrodes and run the Python script to measure biosignals. And applications include gaming, entertainment, sports,health,meditation and so on.

PiEEG relies on open source software to process biological signals in real time. Our open source models are stored in GitHub, which can help you to control things like robots by using brain-generated EEG signals.The devices is designed to help you understand not only neuroscience but also processing, filters and machine learning.

This creative project is originally posted on Crowd Supply and is currently in the crowdfunding stage. Welcome to support it!

PiEEG Demo

You can use PiEEG to creat a lot of applications, such as smart-home control, gaming, robotics, virtual-keyboard input, or even DIY polygraph experiments

Features & Specifications

  • Compatible with Raspberry Pi 3 or 4
  • 8 channels for connecting wet or dry electrodes
  • Data transfer via SPI protocol with a frequency from 250 SPS to 16 kSPS and a resolution of 24 bits per channel
  • Programmable signal gain: 1, 2, 4, 6, 8, 12, 24
  • Ability to measure impedance
  • Common-Mode Rejection Ratio CMRR - 120
  • Internal noise - 0.4 μV
  • External noise - 0.8 μV
  • Signal-to-noise ratio (SNR) - 130 dB
  • LEDs for power indication and ADS1299 connection indication
  • 3 free pins for connecting external objects (ground and Raspberry Pi channel)
  • 33 Pins from the Raspberry Pi GPIO40 can be used for various tasks, like connecting external devices
  • Easy programming with the provided open source software for reading and processing data in Python, C, and C++

PiEEG Pinout Diagram

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