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Thread: Looking for critique

  1. #11
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    Default Re: Looking for critique

    I was thinking the same thing except solder them to the strings. Would save time and money. Either of these would most likely work.

    http://www.mouser.com/ProductDetail/...%2fRiRIy4Ubiuq

    http://www.mouser.com/ProductDetail/...K0fGF78uSRQ%3d
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  2. #12
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    Default Re: Looking for critique

    Quote Originally Posted by deonb View Post
    Curious. Why are you using individual diodes instead of a pre-made bridge rectifier?

    You can shrink the board even more if you use something like a EDF1DM, and you would only need a single-sided board. Soldering components on 2 sides of a board is not fun to do in bulk.

    I like LabRat's idea though of a spot on the board for an inline resistor.
    Mainly because I have 200 diodes on hand that I was using to splice into the cords and just figured this would be an easier way to use them. I like the idea of a spot for an inline resistor as well.

  3. #13
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    Default Re: Looking for critique

    Quote Originally Posted by Wayne J View Post
    I was thinking the same thing except solder them to the strings. Would save time and money. Either of these would most likely work.

    http://www.mouser.com/ProductDetail/...%2fRiRIy4Ubiuq

    http://www.mouser.com/ProductDetail/...K0fGF78uSRQ%3d
    If I didn't already have the diodes, this is probably what I would have gotten (The DFM06MA). I ordered the diodes based on the LED strand shortening document. Now I just want to use them, but I'd rather solder them to a board than mess with the putting the 180 left into the strands directly. I figure if I can get these boards for equivalent of 30 cents each, then I'll do that. It was also a good way to learn how eagle works. ;)

  4. #14
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    Default Re: Looking for critique

    Quote Originally Posted by kmalsom View Post
    If I didn't already have the diodes, this is probably what I would have gotten (The DFM06MA). I ordered the diodes based on the LED strand shortening document. Now I just want to use them, but I'd rather solder them to a board than mess with the putting the 180 left into the strands directly. I figure if I can get these boards for equivalent of 30 cents each, then I'll do that. It was also a good way to learn how eagle works. ;)
    .....and that is why this is DIYC.

    Keep us informed on how your project goes.
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  5. #15
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    Default Re: Looking for critique

    There seems to be a significant price difference between the EDF1DM and four 1N4005 diodes. Seems to me to be nice the way it is.
    Phil

  6. #16
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    Default Re: Looking for critique

    This is really nice progress.

    I know first hand what it is like to hear and take board design 'critiques' on a forum.
    However, folks designs, including my own, are much better as a result.


    By being brave and sharing your design, you have gained much.
    - Your board is now smaller yielding less cost
    - Your board has larger traces on it yielding a board that is safer
    - You have added the ability to add power resistors so the board can be used with cut off strings yielding a more versatile design that extends its use beyond your own personal needs.

  7. #17
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    Default Re: Looking for critique

    Great job kmalsom! Definitely interested in getting several when you get to placing a larger order.

  8. #18
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    Default Re: Looking for critique

    If you want to prototype a couple of boards, I uploaded the design to OSHpark and you can get 3 of these boards, shipped to your house for $1.50. That's three boards, not three panels of boards.

    You may also want to post your board design where you've loaded 10 of these to a 5x5cm panel.

    Quote Originally Posted by kmalsom View Post
    Taking in some of the suggestions, here is a 2 sided board with 50 mil traces.
    Top: Attachment 20524
    Bottom: Attachment 20525

    each board is .825" x .370" With this configuration I can fit 10 on a 5cm x 5cm board.

    Here are the updated files:
    Attachment 20526
    Attachment 20527

  9. #19
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    Default Re: Looking for critique

    Quote Originally Posted by ukewarrior View Post
    This is really nice progress.

    I know first hand what it is like to hear and take board design 'critiques' on a forum.
    However, folks designs, including my own, are much better as a result.


    By being brave and sharing your design, you have gained much.
    - Your board is now smaller yielding less cost
    - Your board has larger traces on it yielding a board that is safer
    - You have added the ability to add power resistors so the board can be used with cut off strings yielding a more versatile design that extends its use beyond your own personal needs.
    Thanks, I agree that it has made it better. Especially since it's the first time I've created a board.

    I haven't added the ability to add resistors to the board yet as I don't need them and I'm not sure if anyone else will want to mess with soldering in a jumper if they don't need them. I'm open to adding it, what does everyone think? And what would you use as a jumper? Just a small piece of AC cord or maybe something like this? KOA-Speer Z25YC but size the location for a 3 watt resistor like the PR03?

    Quote Originally Posted by ukewarrior View Post
    If you want to prototype a couple of boards, I uploaded the design to OSHpark and you can get 3 of these boards, shipped to your house for $1.50. That's three boards, not three panels of boards.

    You may also want to post your board design where you've loaded 10 of these to a 5x5cm panel.
    I've looked on there and may want to do that for some prototypes. Thank you. I'll post the 5x5 panel later tonight.

  10. #20
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    Default Re: Looking for critique

    Quote Originally Posted by kmalsom View Post
    Thanks, I agree that it has made it better. Especially since it's the first time I've created a board.

    I haven't added the ability to add resistors to the board yet as I don't need them and I'm not sure if anyone else will want to mess with soldering in a jumper if they don't need them. I'm open to adding it, what does everyone think? And what would you use as a jumper? Just a small piece of AC cord or maybe something like this? KOA-Speer Z25YC but size the location for a 3 watt resistor like the PR03?



    I've looked on there and may want to do that for some prototypes. Thank you. I'll post the 5x5 panel later tonight.
    the resistor is a good idea but not needed... you can easily solder it inline ... making this design small and easy is the best most usable manner. small board, big traces is the best concept
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