Homebrew PCBs

Thanks, checking it out now!

No part numbers on the schematic :o( but its a very simple looking circuit.... will try the 101 group.

jon
  ----- Original Message ----- 
  From: Steve Greenfield 
  To: Homebrew_PCBs@yahoogroups.com 
  Sent: Sunday, February 24, 2002 12:58 AM
  Subject: Re: [Homebrew_PCBs] ultrasonic cleaners


  Some good places to look for links to tutorials:
  http://groups.yahoo.com/group/nwpropmasters/links
  http://groups.yahoo.com/group/mad_scientist/links

  A good place for links and to ask for help learning
  electronics:
  http://groups.yahoo.com/group/Electronics_101/

  The ultrasonic cleaner schematics should have part
  numbers for the transistors. I'd suggest going to the
  Electronics_101 list, post the schematic to the files
  section and ask for help there. I'm on that list also,
  there are over 1000 members.

  Steve Greenfield

  --- J Mitchell <jonster_man@...> wrote:
  > Hi,
  > 
  > I have been lurking on this list for ages, as I want
  > to learn more about electronics (especially
  > interfacing pic chips to the real world), but as of
  > yet I am still learning and mostly confused! :o)
  > 
  > Although I can assemble small project PCBs and
  > roughly understand how they work, my understanding
  > of why "that" resistor is "there" is next to zero.
  > 
  > I have a couple of questions for the group.
  > 
  > 1.    are there any good basic electronic foundation
  > tutorials on the net? all the ones I find are too
  > basic (like what a resistor is)
  > 
  > 2.    Anyone here have any experience of ultrasonic
  > cleaning baths? I have the schematic for the
  > electrical side, with an explanation of many of the
  > components, but I have no idea what specific
  > components to use, anyone interested in looking at
  > the schematic, helping me make one of these and
  > furthering my electrical experience and
  > understanding?
  > 
  > thanks in advance
  > 
  > Jon
  > 
  > PS:    Anyone here ever known someone to buy one of
  > the cheap (under $300) fibrescopes? (also known as a
  > borescope or endoscope)... I would love one of
  > these, but I suspect they are trash.


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