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Found 5 results

  1. Current status (31-March-2020): Project is rolling again. For current status, refer to latest post(s) in this thread. Older status (04-June-2018): Received the 5 prototypes. Installed one. Works great, except need to contact supplier to see if they can get the contrast in the correct range. Screenshot here. Inside of Microvision shown here. Initial Post (10-Feb-2018): As many of you are aware, the Microvision by Milton Bradley is notorious for something people have called "screen rot", where the LCD screen becomes dark and unusable. Unfortunately, this effect is all too common. A fix for these would hopefully bring back to life these interesting and (I think) fun handheld systems. It took a few months or so, but I was finally able to get a couple of quotes for replacement LCD screens for the Microvision (unfortunately, minimum order quantities for small LCDs are typically in the thousands). These are intended to be drop-in replacements for existing screens. These would also include the reflecting and polarizing layers, but would not include the rubber "Zebra" connectors that connect the LCD screen to the board (will need to be re-used). Here are the steps in the project: 1. Find out if enough people want these (starts now!) 2. Order prototypes (6 week delay; I pay for that up-front to supplier) 3. Order production run (6 week delay; payment required up-front to supplier) 3. Payment for units (to me) 4. Ship units to you Yes, there are two #3s listed above. The order of these two will depend on how much money I have on hand at the moment. I'm not a big fan of receiving payment prior to items being ready to ship (because life and shit happens, and I don't really want to have your money if I'm not able to ship these out for any reason). If needed at the time, maybe a down-payment or voluntary early payment system could be used. That's all well ahead of us, though... the first step is finding out who all wants one or more of these, so let's concentrate on that... There's a number of costs related to this project. Some are known, such as engineering cost and production cost, and some are unknown, such as customs and duty, and shipping parts to me. Therefore, I've come up with some maximum prices in US dollars (shipping not included): Quantity 1: $22.00 maximum Quantity 2+: $20.50 each, maximum Quantity 4+: $19.00 each, maximum Quantity 8+: $17.50 each, maximum I want to stress that the goal of this initial offering is not to make money, but to get this project going. As an estimate, if about 70 are pre-ordered, which is about the lowest I can go, I'll need to put a fair bit of my own money into the project (but will hopefully be able to sell the extras on an ongoing basis later on, maybe for $25 each, and eventually break even). If about 130 are pre-ordered, that is the break-even point for the prices listed above. If more than about 130 are pre-ordered, then the price will go down accordingly. If I recall correctly from my spreadsheet, if 170 are pre-ordered, your price goes down by about $5 for each unit (at least the lower quantity orders - the higher quantity orders might go down a bit less). The main reason for this is the fixed engineering cost, which would get spread out thinner over a higher quantity of units. If the quantities reach high enough (like 130+), I'll keep you updated with the current maximum price. At some point this pre-order stage will end... I will give at least 2 weeks advance notice for that (open ended for now, until the numbers go up). I should mention that once you've bought and received your replacement screens, they're yours to do whatever you want with them... resell them at any price you see fit, put them in systems and sell those at any price you see fit, keep them on your shelf to look at, etc. So, the first step is to find out if enough people want these. If you do want one or more of these, please reply to this thread with the quantity you're seriously interested in purchasing. That's the simplest for me to keep track of. There may be reasons you don't want to publish the quantity you want - in that case, send me a PM. Either way, I'll post the total number requested here in this thread, to keep everyone updated. Also, reply ideally, or send a PM, if you have any questions. Finally, thanks for everyone who pre-orders. I want this to happen as I have about 10 Microvisions, including only about 1 that works well. As incentive, the plan is that the pre-order price will be the lowest price to get these. Also, any help in spreading the word is appreciated (feel free to post with links, if applicable). Links: 1. Shorter version of initial post at DigitPress: https://forum.digitpress.com/forum/showthread.php?175968-Microvision-replacement-screen-project-pre-order-amp-purchase-here 2. Much shorter version of initial post at CGCC: http://cgcc.ca/forum/viewtopic.php?f=4&t=31048 3. Dan's post at Hand Held Museum: http://www.handheldmuseum.com/forum/viewtopic.php?t=2275 FAQ: 1. Will the new screens be susceptible to screen rot? They shouldn't be. These will be brand new displays, built to high standards. We're used to the Microvision display being very poor, but most or nearly all other small LCD displays work well for many, many years. 2. What is the operating and storage temperature of the display. Operating Range: 0C to +50C. Storage Range: -10C to +60C. 3. Are the Zebra connectors (that connect the LCD screen to the board) reusable? Yes.They tend to stick a bit when they've been connected for a long time, but they seem to be robust in their ability to connect well with repeated use. 4. Are there installation instructions? Is it easy to install? Note that I'm still working with the supplier to fix the contrast range, so ignoring any potential work that may require, here are some pictures of disassembly of a Microvision (re-assembly is basically the reverse, although the front polarizer is not required). It's fairly easy, although sometimes the wires and other parts like to move around a bit, so plan on 20 minutes for a full upgrade.
  2. can anyone out there fix the old microvision? Mine is not working and i would love to get it running. i have a bunch of games i wanna try. please let me know or if you know anyone who can help
  3. Hi! I've released a new version of Paul Robson's MVEM emulator that supports fullscreen, is more front-end friendly, and has overlays and snaps for all the games. You can read about it here, and there are download links there as well for both the executable package and the source. https://www.raphkoster.com/2017/05/07/microvision-emulator-release/ Release notes: This is an updated build of Paul Robson's Microvision emulator, which came out in 2014. All I have done is add some nicer UX and a lot of artwork sourced from the Internet. The intent was to make playing with the emulator something more appealing that could be integrated with a frontend. To run the emulator from a frontend, this is the command line: mvem %rom% widthxheightx1 For example mvem "Alien Raiders.bin" 1920x1080x1 This will launch the specified game at full screen on a 1920x1080 monitor. If the last parameter isn't included, the game will launch at 800x600 in a window. Many thanks to Paul Robson and the others who did all the hard parts! BUILD 15 CHANGESMay 6th 2017 Allow passing in of screen res and full screen from the command line. Format is <width>x<height>x<fullscreen> where fullscreen = 1 for full and 0 for windowed. The Enter/Return key now toggles fullscreen. Emulator now chooses optimal size for playfield plus overlay based on the screen size. Default screen to 800x600 windowed. Add 1 pixel gap between pixels on LCD display. Lighten the LCD pixel color so it is a closer match to actual LCD black. Added overlays for all games. These are based on the American editions of the carts except for Super Blockbuster. Replaced the one by Paul Robson for Pinball. Load snaps of carts and display on the side at full screen height. Overlay key mappings on top of the snaps. Created new snaps for the two homebrew games by Paul Robson. Added linear filtering to textures for smoother images. Slide playfield over so that both always fit. There is now a knob that represents the range of motion for the paddle, rather than just the bar. Made the existing bar-shaped render of knob position have alpha transparency, so it would blend into the overlays.
  4. The last game I need in a box for a complete Microvision set. I have a loose copy but i'm looking to complete the box set. Been waiting for one on eBay to show up, but one hasn't yet.
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