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redman

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Posts posted by redman


  1. If you're looking for an easy to build, strong bench, this is a basic guide to making your own design.  I made one with 2 shelves underneath and a back board to use as a standup work bench.  Change the sizes to suit your needs.  You can easily change the front 2x4 design so you can get your feet underneath.   I let home depot cut the wood to size.

     

    http://www.hammerzone.com/archives/workshop/bench/below20xl.html

     

    wswba30bmu_basic_workbench_dimensions.jpg.2462b7a9fa351b6b5c6dfbab8feb57d4.jpg

    The lumber, after the cutting was done:

    The side "stretchers", 45" long. (3" less than the overall length.) - (4) each
    The legs, about 32" long. - (4) each
    The end stretchers, 26" long. - (4) each

     

     

    • Like 2

  2. I mounted my Sdrive-Max in a 5 1/4 x 3 x 2 1/8 inch aluminum box. This gave room to add some switches.
    I have a SPDT power switch that connects the +5 volt connection on the Arduino to Pin 10 on the SIO or a socket for a 5 volt wall wart.
    I had to drill 2 holes in the screen board to securely mount the assembly.

    /
    /
    (A) pin 10 on SIO ------* * *------ wall wart connector (B)
    |
    |
    |
    +5 volt connection on Arduino

    So (A) connects the Sdrive-Max to Atari power and (B) to wall wart power. In the (B) position, I can use power from the other power connectors
    already on the Arduino if a wall wart is not plugged in. Since there has been so much discussion about if and when diodes are needed, I wired in
    both the Tx and Rx diodes with SPST switches across them. Now I can switch either of them in or out of the circuit.

    The pictures show how the box was machined. There is also a picture of my boy (Leonardo) getting ready for Santa.



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    • Like 2

  3. Hehe, sorry, I'm afraid not. ijor is a long-time contributor to our preservation project and the author of the ATX specification. I'd send it to him for free if I could - I just don't know how to easily get my hands on an SIO cable :-P

     

    Here are the parts I ordered for my last one and it worked fine:

     

    https://www.aliexpress.com/item/2-8-inch-TFT-color-LCD-touch-screen-module-for-Arduino-UNO-MEGA2560-R3-Development-board/32831754174.html?spm=a2g0s.9042311.0.0.4fc74c4dsRrZrr

     

    https://www.aliexpress.com/item/2016-high-quality-One-set-UNO-R3-CH340G-MEGA328P-for-Arduino-UNO-R3-NO-USB-CABLE/32697443734.html?spm=a2g0s.9042311.0.0.4fc74c4dsRrZrr

     

    https://www.aliexpress.com/item/50Pcs-1N5819-5819-1A-40V-SCHOTTKY-DIODE-NEW/32216810320.html?spm=a2g0s.9042311.0.0.4fc74c4dsRrZrr

     

    You talked me into getting 2 of each.

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