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5-11under

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Posts posted by 5-11under

  2. Posted

    How hard were they to install? Pretty straight forward? Basic soldering?

     

    It looks fantastic, awesome work on this!

     

    See pictures above. If all goes well, and the supplier can fix the contrast range, then no soldering is required. If they can't fix it, then one resistor (I would supply) would need to be installed in parallel with one of the existing resistors. This could be done by soldering ideally, or optionally with a couple of drops of conductive epoxy.

    • Like 1

  3. Posted

    Below are some pictures of the disassembly of a Microvision, as well as the other 4 samples I received. As mentioned, the new screens have the top polarizer and bottom polarizing reflector attached to the glass, so re-assembly reverses all the steps, except you don't need the front polarizer. I did use the polarizing reflector, only because it helps keep the side Zebra connector in the correct place. Re-installation with the new LCD took about 5 minutes (although I've put these together a few times before).

     

    post-3127-0-12424600-1526517518.png post-3127-0-38594500-1526517524.png post-3127-0-36119700-1526517530.png post-3127-0-48621000-1526517535.png post-3127-0-70126100-1526517540.png post-3127-0-87615100-1526517544.png post-3127-0-25000500-1526517550.png post-3127-0-17268800-1526517556.png post-3127-0-99525300-1526517561.png post-3127-0-11801800-1526517566.png

     

    • Like 5

  7. Posted

    It's tough to get a good picture, but here's what the prototype looks like:

     

    post-3127-0-87866500-1526337427.png

     

    It looks and works great. Besides the scratches that are on the game I'm playing, the LCD looks pristine. There's one thing, however, that I'll need to contact the supplier about. The range of the contrast isn't wide enough. Even with the contrast as low as it will go, the pixels that are off are still showing somewhat dark. It looked barely/almost good enough. I had to solder in a resistor in parallel with one of the existing resistors to get the contrast in a good range. Hopefully the supplier will be able to fix this. I'll keep you posted.

     

    One cool thing is that the front and rear polarizers are fixed onto the glass of the LCD. No extra parts to install incorrectly.

    • Like 13

  10. Posted

    I'm unhappy about all the trouble my stuff seems to cause, but what can I do? The big drama featuring some of my games on the Facebook fan page still haunt me today, and none of us could have predicted this mess.

     

    Just remember it's not your fault... it's the slimy Coleco guy, and one or two others trying to take advantage of people.

    • Like 3

  16. Posted

    The current pre-order count is an impressive 143. That's a bit past the break-even point, so that means the price of each unit starts to go down. Right now it's down about $1 per unit. The exact price will depend on a number of unknown factors such as shipping and customs/taxes costs for both the prototype and production runs (but the maximum price is the number listed in the first post).

     

    Pre-orders can still continue, at least through early May, when the prototypes are set to arrive (I'll give official advanced notice for when pre-orders will end).

    • Like 1

  17. Posted

    Thanks 5-11under. I asked if someone could write one, as I still can't figure out how to make screen white using that rom.

     

    That's the 15th block on the screen, so you'll need to add up to 15. For instance, press and hold 8 on keypad #2 (like a shift key), then press and release 7 on keypad #1, then release keypad #2.

    • Like 1

  18. Posted

     

    Would it possible to have a menu to select the color of the screen, i.e. Red, Green, Blue, White? Then entire screen would be that color until button was pressed. I know there are multiple greens and its hard to tell if you have the right color or not.

     

    It's an old program... you'll have to make your own if you want it fancier. I found the original instructions from another thread. The colors are in order for the top half of the screen, so you can compare to an emulator's color chart (if they're showing the colors in order, that is). Note that there's sometimes some little blocks that don't change color, for some reason. It is what it is...:

     

    The main screen shows all 16 colours in blocks in two ways. The top half shows the colours in order, from 1 to 15, then 0. The bottom half also shows all of the colours (except one of the blacks), but with similar colours beside each other, to better highlight the differences (or similarities) between each, for instance, showing all three "green" colours in a row.

     

    A cursor also flashes on the screen. The joystick can be used to move the cursor around the screen. Pressing the main fire button cycles the colours up, and pressing the secondary fire button cycles the colours down. The colour of the whole screen will change if a number is pressed on the keypad. Only numbers 1 through 9 are accepted, but if you press and hold a key on the second keypad (1 through 8 ), then press a number key on the first keypad, the numbers will be added (to access colours 10 through 15). If you don't want to use the second keypad, you can of course manipulate the blocks individually.

     

    There is a little bonus added. The program uses mode 3, which is a 64 x 48 grid (of 4x4 pixels). Press the 9 key on the second keypad to access it. Now that I think about it, the control scheme is fairly non-user-friendly. icon_wink.gif Anyway, using the first keypad, the colours of each 4x4 pixel can be changed the same way as described in the previous paragraph (sorry, the wholesale colour change is not available). There you have it - a brute-force pixelated drawing program. icon_smile.gif

     

    • Like 1

  22. Posted

    An update: the drawings the supplier made (from my drawings) have been approved, so production of the tooling and 5 samples will start. This may take up to 6 weeks, although I'm not sure exactly. As always, the first post has all the key information.

     

    It's great to see a lot of people interested in these. As of now, 63 people have requested 126 total units. During this prototype stage, pre-order (i.e. serious requests) can continue. When it comes down to the point where I need to order a production run, that's when the pre-order stage will end.

    • Like 3
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