555 Memorial Circuit

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By Gareth Branwyn
Posted 2012/08/23 @ 7:40 pm
Category Electronics

To mark the passing of Hans R. Camenzind (designer of the 555 timer chip), MAKE reader Jim Frize freeformed this lovely little oscillating circuit as a solemn tribute.

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15 Responses to 555 Memorial Circuit

Jim Frize on August 24th, 2012 at 4:05 am said:

Thanks Gareth, much apreciated.

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Tommy Phillips on August 24th, 2012 at 9:02 am said:

Bonus! What a great way to visualize how the standard astable mode works!

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Augur on August 24th, 2012 at 11:28 am said:

It would be a truly epic memorial for thousands (dare I say millions) of these to be made by diy’s worldwide… I don’t suppose Gareth Branwyn would consider posting the circuit? (Yeah, I can figure it out, but I would still appreciate a circuit diagram….) Or creating an Instructable on http://www.instructables.com?

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- Jim Frize on August 24th, 2012 at 12:07 pm said:
  
  Here’s the circuit schematic: http://www.sonodrome.co.uk/wp-content/uploads/2012/08/hans.png
  
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  Augur on August 24th, 2012 at 4:00 pm said:
  
  Thank you Thank you Thank you…
  
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  Augur on August 26th, 2012 at 6:39 am said:
  
  Jim. Thanks so much for the schematic. Would you mind if I post it on Facebook and http://www.instructables.com? I will be sure to prominently ID you as the designer… I think it would be wicked cool to see this go “viral.” I’m going to mount a solar powered one in a jar on a base with appropriate label (etched brass maybe). “Hans R. Camenzind (1934-2012), designer of the 555 chip, (555 memorial design by Jim Frize)”
  
  ,
  
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  Augur on August 26th, 2012 at 6:42 am said:
  
  Hmmmm…. Maybe encapsulate in clear expoxy….
  
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  Jim Frize on August 26th, 2012 at 7:02 am said:
  
  Sure no problem, glad you like the circuit. Send me a link of your post/s too so I can check it out (jim@sonodrome.co.uk)
  
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  Augur on August 26th, 2012 at 7:13 am said:
  
  Thanks… and Will Do… and thank you for thinking up such a nifty memorial…
  
  Gareth Branwyn on August 26th, 2012 at 6:13 pm said:
  
  We’d love it if you posted this to Make: Projects (makeprojects.com). I was thinking about driving a “campaign” to have a bunch of these memorial circuits made. If you put it up in M:P, we can promote it through all of our channels. Should get a lot of interest/attention.
  
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  Augur on August 26th, 2012 at 7:16 pm said:
  
  Will do…
sparky3489 on August 25th, 2012 at 8:58 pm said:

Schematic please.

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- Augur on August 25th, 2012 at 9:20 pm said:
  
  Jim Frize (circuit designer) has mad this available to us:
  Here’s the circuit schematic: http://www.sonodrome.co.uk/wp-content/uploads/2012/08/hans.png
  
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  Augur on August 26th, 2012 at 6:40 am said:
  
  *made
  
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