A few months ago, I funded my first kickstarter project for production of the Digispark: a tiny (less than a square inch) Arduino-compatible device based on the AVR ATtiny85. Plugged-in Digispark Though I received the occasional progress update email, I pretty much forgot about the Digispark. Until last week, that is, when I received a…

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This document–a re-print of an old but still relevant and useful article I wrote–details the creation of professional quality printed circuit boards (PCBs) using a laser printer and easily obtainable tools and materials. completed PCB