![]() ![]() This article is targeted at embedded engineers who are familiar with microcontrollers but not with microprocessors or Linux, so I wanted to put together something with a quick primer on why you’d want to run embedded Linux, a broad overview of what’s involved in designing around application processors, and then a dive into some specific parts you should check out - and others you should avoid - for entry-level embedded Linux systems. There’s an occult consortium of engineering pros who drop these chips into designs with utter confidence, while the uninitiated cower for their Raspberry Pis and overpriced industrial SOMs. ![]() Massive shifts over the last few years have seen internet-connected devices become more featureful (and hopefully, more secure), and I’m finding myself putting Linux into more and more places.Īmong beginner engineers, application processors supplicate reverence: one minor PCB bug and your $10,000 prototype becomes a paperweight. ![]() After I published my $1 MCU write-up, several readers suggested I look at application processors - the MMU-endowed chips necessary to run real operating systems like Linux. ![]()
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