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You can download here

the Gerber files to

make/edit/view/distribute/etc

the "451PCB Arduino ProtoShield v2.1".

Our last protoshield board for

Arduino is open source now!

ARDUINO PROTOSHIELD BOARD v2.1

Some minor changes:

- Silk screen changes:

- - Letters by numbers in a row.

- - Delete GPIO marks

- - Change to board version v2.1