Salvaged : Full 5V-tolerant Arduino ZERO compat.

The reason of newly coming ARM based Arduino has gray terminals is not fashion but non-5V tolerant !! Here is an solution!!

microwavemont

SAMD21E_Uno_Zero.sch sch - 748.21 kB - 02/19/2016 at 02:12		Download
SAMD21E_Uno_Zero.pro Eagle file pro - 977.00 bytes - 02/18/2016 at 01:42		Download
SAMD21E_Uno_Zero.brd Eagle file brd - 161.56 kB - 02/18/2016 at 01:42		Download