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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 71,937 of 72,318   
   RobH to Jeroen Belleman   
   Re: Amateur alarm circuit problem   
   25 Nov 20 09:55:21   
   
   From: rob@despammer.com   
      
   On 25/11/2020 09:40, Jeroen Belleman wrote:   
   > On 2020-11-25 09:10, Phil Hobbs wrote:   
   >> On 11/24/20 4:54 PM, Jeroen Belleman wrote:   
   >>   
   >>>   
   >>> For an older electronics professional, it is sometimes good to   
   >>> be reminded how many errors a beginner can make. I had your   
   >>> problems fifty years ago. (No, I didn't have 555s then.)   
   >>   
   >> And you had to make protons go round and round in mason jars. ;)   
   >>   
   >> Cheers   
   >>   
   >> Phil Hobbs   
   >>   
   >> "In my day, we defragged hard disks by editing the inodes by hand.   
   >> With magnets"   
   >>   
   >>   
   >   
   > In those days, I had no idea that one could become a 'physicist'.   
   > There were no engineers or academics in my environment, or my   
   > choices might have been quite different. I discovered the very   
   > existence of labs dedicated to physics research when I was 19   
   > years old, quite accidentally as a side effect of my negligence   
   > to secure a local position as a technical student. It turned out   
   > to be a lucky strike. :-)   
   >   
   > Jeroen Belleman   
      
   Aah, well I was a mechanical engineer for over 40 years, and I can read   
   drawings including schematics. I can't draw tho'.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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