Im 1/2 way there, LED 3rd brake light

Discussion in 'The Projects Forum' started by SWINGRRRR, Jun 13, 2007.

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  1. SWINGRRRR

    Thread Starter New Member

    May 15, 2007
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    Another stupid project for the truck. Its a LED 3rd brake light. This is the left half, obviously, and the right half with have the "O P"
    This will all be hooked into a strobe controller that will alternate the flash when you hit the brakes.
    I know its not the best soldering in the world, it has been several years since I used one.
    Opinions please.
    [​IMG]
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  2. cumesoftware

    Senior Member

    Apr 27, 2007
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    Well, you should not bridge the pads using solder only. The best way to bridge is using a solid corewire and two drops of solder for each connection to the wire (or you can cross the legs of adjacent LEDs and solder on top).

    Also, you used the wrong type of board. You can use a seroboard (board with copper bands or strips) or boards with three hole pads (called a TriPad board, manufactured by Velleman, but not only). The last type is the best suited for your job. With these boards you don't need to bridge on the copper side.

    See this link: http://en.wikipedia.org/wiki/Stripboard
     
  3. SWINGRRRR

    Thread Starter New Member

    May 15, 2007
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    I still have to coat it using the liquid electrical tape. It works. I just touch the wires to my truck battery. I need the front part with the LED flat so you wont see components through the 3rd brake light plastic.

    I dont understand what you are saying about the other board. If the strips run all the way across the board, then there is the possibility to run into a + coming up against a -.

    O; and the legs are cut long, then bent down and soldered across, its just not the pad in between. When I do the second half, Ill take better pics.
     
  4. cumesoftware

    Senior Member

    Apr 27, 2007
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    No, because you have the possibility to use different strips for + and -, but if you have to use the same trip for different nodes, you can cut the strip with a drill bit (normal procedure in case of stripboards). You wont have that problem at all with tripad board, since tha pads are separated, and each one contains three holes, which makes possible connecting different components and wiring through them.
    Ill send a pic of one project made with a tripad board.
     
  5. SWINGRRRR

    Thread Starter New Member

    May 15, 2007
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    Thanks dude. I am holding off starting on the next part till I see this type of board you are talking about.
     
  6. cumesoftware

    Senior Member

    Apr 27, 2007
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    Please! Don't hold off. I don't know when I can post it. I need to take the picture.

    You can see an example of a tripad board being used here: http://uk.geocities.com/brettoliver@btinternet.com/clock_electronic_1a.htm
    There is also an example of a regular stripboard, where the oscillator is assembled (the two small pics below the one with the tripad board layout).
     
  7. cumesoftware

    Senior Member

    Apr 27, 2007
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    Ok. Here are the photos of my decoder circuit, which was made from a tripad board.

    View attachment 996
    Board back, where you can see the three-hole pads

    View attachment 997
    Board front, where you can see the driver chip used to drive the 7-segment display

    View attachment 998
    Yup, it actually works (yet)

    View attachment 999
    Now it is showing a 6

    To light the numbers, I simply used 6 solder wires (rosin core), connected to a 5V power supply.
     
    Last edited by a moderator: Mar 7, 2012
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