The BioAmp EXG Pill is now certified Open Source Hardware:
BioPotential amplification on your finger tip!
BioAmp EXG Pill is a small (2.54 X 1.00 cm) and elegant Analog Front End (AFE) board for BioPotential signal acquisition that you can use with any 5v Micro Controller Unit (MCU) with an ADC. It is capable of recording publication-quality BioPotential signals like ECG, EMG, EOG, and EEG without the inclusion of any dedicated Hardware/Software filter.
OSH Park 
Thanks for sharing Drew,
If anybody wants to make one at home can do so by ordering PCB from OSHPark (https://oshpark.com/shared_projects/OPELY7qK) and then follow the parts placement image on Hackaday.io for assembling their own Perfect Purple BioAmp EXG Pill!
Stay safe 🙂
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