This is a forum that summarizes the technical issues of hardware and software from the planning of gadgets embedded in microcomputers to the design, production, and sales, as well as their solutions and tips. We are working on the above series of work using Linux open source applications, and we post the know-how for introducing applications required in each work phase and the problems that occurred at that time as topics. The topic is also used as a work memo, and is corrected and added as necessary, so there may be many incomplete parts about the content. This forum will also be used to follow up on Blogs posted on the F9E main site.

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