FreeEEG32 + alpha1.5 based on https://hackaday.io/project/165748-freeeeg32-prealpha2 and https://hackaday.io/project/20618-freeeeg32-alpha-32-channels-electroencephalography

pcba FreeEEG32 plus alpha1.5 32B1H743 https://docs.google.com/spreadsheets/d/1l08JTSrGSRcxZXpl6SzznG30cp7E945ALPTCCIwC7Yk/edit#gid=996100150

BOMs FreeEEG32 plus alpha1.5 32B1H743 https://docs.google.com/spreadsheets/d/1l08JTSrGSRcxZXpl6SzznG30cp7E945ALPTCCIwC7Yk/edit#gid=815577919