Path: ...!Xl.tags.giganews.com!local-1.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Fri, 17 May 2024 21:10:29 +0000 From: John Larkin Newsgroups: sci.electronics.design Subject: Re: smart people doing stupid things Date: Fri, 17 May 2024 14:08:34 -0700 Organization: Highland Tech Reply-To: xx@yy.com Message-ID: References: X-Newsreader: Forte Agent 3.1/32.783 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 44 X-Trace: sv3-uqzERSn2oq0RQ+6MkCTbm3BhNVfxbbA7olx3TuuBLXrUwdwcnqCS4z9idWVmWWBMY//ZYwO/s1QYakR!vjypPz1gaV42cSsyDpglFtqfYnyj2Viw7YDch3lCGExBHYAipxZYXxfuyWtT0y6KlLMiWleHXqy+!l6YByQ== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2965 On Fri, 17 May 2024 16:55:57 -0400, Joe Gwinn wrote: >On Fri, 17 May 2024 13:14:30 -0700, John Larkin > wrote: > >>On Fri, 17 May 2024 15:36:55 -0400 (EDT), Martin Rid >> wrote: >> >>>John Larkin Wrote in >>> message:r >>>> https://www.youtube.com/watch?v=5Peima-Uw7wSee graph at 9:50 in.I see this a lot, engineers wanting to do complex stuff because it'samusing to them, when simple common-sense things would work and bedone. >>> >>>My current project requires iec62304 and it is amusing . >>> >>>Cheers >> >>Yikes. What does it cost to buy the standard? Does it reference other >>standards? > >It's 345 Swiss franks (USD 380). Probably cites many things, so you >may need a bunch of these expensive standards. > >It documents the now obsolete waterfall model of software development, >at great length, for medical devices. > >. > >I've had to follow this approach (but not this standard), and it >didn't go well, because it didn't deal with practical constraints at >all. The electronic-design parallel would be a process that requires >that a transistor with very specific properties exist and be >available. But in the real world, we have to use the transistors that >are available, even if they are not perfect - make what you want from >what you can get. > >The solution was to design from the middle out, and when it all >settled down, document as if it were developed from the top down. > >Joe Gwinn That's the Microsoft Project Effect: the more tasks you define in a project, the longer it takes.