What is there to do? Well, for general reference, I loaded this BOM file into OctoPart and using Digi-Key, Mouser and Element14 as distributors, the lowest parts cost to build a single Arduino (ie: single quantity pricing) is $28.41. With the publishing of the full KiCad schematic and matching BOM, the initial goal, phase one of the project, is now complete. The Arduino From Scratch series will now continue from a product and manufacturing perspective. The BOM was regenerated and is included in the repo. * Update August 6, 2021: The full schematic has been updated to be KiCad v5 compliant as of the latest commit. This schematic was developed using KiCad* v4.0.0_RC1, and has now been published to the Rheingold Heavy GitHub repository:Ĭlick here for the files associated with this post at the Rheingold Heavy GitHub repo. I truly hope the community finds this a useful resource now and in the future.īuild An Arduino UNO R3 from Scratch Table of Contents Every component has been loaded into a nice, clean schematic (using an opensource EDA tool as well, I might add), and in this post, will now be published to GitHub for anyone to retrieve, along with an accurate and detailed BOM, as of the writing of this post (1). We’ve identified each subsystem and noted the type, value and purpose of every single component in the UNO R3 design.
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