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USB DSO: The Populated PCB

Discussion in 'BoM Blogs' started by Blackthorne TA, Mar 31, 2012.

  1. Blackthorne TA

    Blackthorne TA Master in his Own Mind Staff Member ★ SPS Account Holder Adored Veteran Pillars of Eternity SP Immortalizer (for helping immortalize Sorcerer's Place in the game!) New Server Contributor [2012] (for helping Sorcerer's Place lease a new, more powerful server!) Torment: Tides of Numenera SP Immortalizer (for helping immortalize Sorcerer's Place in the game!)

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    Remove all ads!
    So who wants to see the PCB populated with parts?

    Well first, how about a picture of the workstation I used for soldering? I did it all by hand, and since much of the soldering is on a submillimeter scale, I used the magnifying lamp the whole time.

    [​IMG]

    For the vias (connection from one side of the board to the other) I used a very thin wire (wire wrap wire) through the via holes.

    And here is the PCB fully populated with the parts all soldered in place.

    [​IMG]
     
    Last edited by a moderator: Sep 20, 2015
    Blackthorne TA, Mar 31, 2012
    #1
  2. Dice

    Dice ★ SPS Account Holder Adored Veteran

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    What size is the PCB?

    I like the workstation. I've used some of those tools but I've only ever tried rudimentary soldering. Is the liquid on the bottom right corner of the blue mat a soldering compound or is it a glue?
     
    Dice, Apr 1, 2012
    #2
  3. Blackthorne TA

    Blackthorne TA Master in his Own Mind Staff Member ★ SPS Account Holder Adored Veteran Pillars of Eternity SP Immortalizer (for helping immortalize Sorcerer's Place in the game!) New Server Contributor [2012] (for helping Sorcerer's Place lease a new, more powerful server!) Torment: Tides of Numenera SP Immortalizer (for helping immortalize Sorcerer's Place in the game!)

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    The PCB is 3x5 inches.

    The tube on the far right of the anti-static mat is rosin soldering flux.

    The pen-shaped thing in the pouch next to it is an interesting device for cleaning contacts. It contains dozens of tiny fiberglass filaments that act as a kind of sandpaper. The back end has a twistable part that advances the filaments out the front.

    The blue-handled device is a wire-wrap tool that I used to strip the red kynar wire you see on the spool.

    I think everything else is identifiable.

    The left side of the mat that shows the spool of solder, the alcohol dispensing bottle and the anti-static wrist strap are in another picture I have, but since it also has the final form of the project in the picture, I'll show that later :) I don't want to spoil anything ;)
     
    Blackthorne TA, Apr 1, 2012
    #3
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