Home » I/O Port Prototyping Board & Build Files are Available I/O Port Prototyping Board & Build Files are Available July 1, 2020 Posted in Prototype Share: XFacebookPinterestRedditVKDiggLinkedinMix The Digital I/O Port prototyping boards have arrived an they look good so I am releasing the build files on the Documentation page. Schematics here and build files here. Related Articles 0 42 Bus Protoboard v1.0b Build Files Released 0 36 What Do YOU Like in a PROTOBOARD? 0 53 I/O Port ProtoBoard