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That's right! There is now a project to fully build your own Colecovision. The github repository contains most of the information needed to build your own from scratch. The idea of this project was to provide a extensive amount of documentation of the system, including the creation of the original PCB's. I used original parts as much as possible, and only varied if parts no longer exist. For instance the RF sub board has a variable tank no longer made. This is substituted with a variable coil plus capacitor. Project Contents: schematic (kicad 7) PCB (kicad 7) datasheets (PDF) 3D printable case parts (inventor 2024/STL exports) Wiki guides Console Project: https://github.com/sparkletron/righteous_tentacle_colecovision Controller Project: https://github.com/sparkletron/Colecovision_Controller After creating my own schematic I did verify it by using @ChildOfCv schematic as a reference. He did a great job, and saved me a great deal of time (My RF board contained the errors, go figure the easier board!). Special thanks to him for his work. There are minor value differences since mine is based on rev F vs the later rev that his is based on. The PCB is as 1:1 as I could make it to the original, alterations for DB9 ports, and non-plated hole building were made to make it easier for mills/etching a PCB. On that note my dream is to turn this into a community project, where people can update the schematic and create a pull request with there revision of the PCB. Creating a complete repository that documents all the revisions. No there is no step by step on how to assemble and create. If people would like that, make it a pull request on the wiki and will go from there. Some ideas for issue requests are below. PCB creation guide 3D printed parts guide Full assembly guide Controller guide If anyone wants to help out with the above let me know! The wiki page https://github.com/sparkletron/righteous_tentacle_colecovision/wiki/Tear-Down-Notes describes the tear down process. Parts listing for purchasing: https://github.com/sparkletron/righteous_tentacle_colecovision/wiki/Detailed-Part-Listing-For-Orders Documentation of various signals: https://github.com/sparkletron/righteous_tentacle_colecovision/wiki/Testing-and-Verification A few other minor notes, no I will not be selling any boards and I won't be selling any parts in general for this. This is for the community to enjoy and do with as they wish. Enjoy! -Jay Pics Incoming... - 3D printed case, with 3D printed controllers. - Inside of the 3D printed case. - Completed PCB during testing (created using a PCB mill). - RF cage open
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- 3d printed
- reverse engineering
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Though I've posted about my channel and videos before, I figured keeping a central place in one thread would make more since. While I have done more videos than I will likely ever post in here, I thought it would be good to start off with my 40th official video for my channel and to start off April right. I present my unboxing and game play review for the Neo Games home-brew release of the limited boxed edition of Spies in the Night for the Atari 2600! Enjoy and thank you for watching!- 57 replies
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- itc
- ivory tower
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The first question is the age old debate -- Should I recap the the entire system just on general principles. Realistically, it is 40 years old. Secondly, I have been considering replacing the UA7812C with its mega heat sink (photo attached) with the TSR-1 (Data Sheet Attached). What says you folks that are way smarter than me? It looks like a good option to reduce heat and make they system for efficient. I'm just looking for opinions. I fully get the "if it's not broke, don't fix it" and the "keep it all original" mindsets....... tsr1_datasheet.pdf
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I took some time and hooked up the Axlon Andy Circuit on a breadboard. I used the schematic, data sheets, and a lot of trial and error, but I got it working, so I thought I would share the results. It was really a thrill to hear and see him come alive! It's really an ingenious design. 3 CMOS gates, three transistors, and a 10 transistor motor driver. Very inexpensive parts. The circuit I build is exactly from the schematic except for a couple of resistor values I had to change to get the sensors working. I have no idea what values were used in the original Andy (I do not own one) so I had to adjust for what I had available. The sound sensor is still actually a bit too sensitive, but I am still working on that. Also, I replaced the motor driver section with a SN754410 motor driver chip which saved me ten transistors! It will also allow a smaller and more efficient Andy to be build. Here are some pics of the circuit: Here's the video of Andy in action: [media=320x240] [/media]
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- Axlon
- Axlon Andy
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Hey guys, I came across this program a few months ago called 'Electronics Assistant' it has many electronic calculators for led's, capacitors, resistors, frequency and many more. The screenshot is just a few of the calculators open, but there are many more in there. It's free and is clean. Just hoping someone will get as much out of it as I do. EDIT: after posting I realized this was a direct download link, here is the website link so you can read about it before downloading. Site: https://www.electronics2000.co.uk/ Direct Download: http://www.electronics2000.co.uk/assist/assist.exe *Also checkout the program 'Evil Genius - Resistor Attack' under the Software link and tell me he never played TI Invaders...
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- electronics
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I have been back using my Atari 800 XL for about six months now. I bought a MyIDE cart to backup all my old floppies. Most of them were still readable. I did not really like the MyIDE cart though. Well, the cart is fine, it's mainly the patched O.S. It's a pity it doesn't support mixing SIO and IDE devices very well. So, I dug out my old SIO2PC cables. I had one MAX232 version and one using an MC1489. Both looked like crap (they were soldered very badly) so I decided to rebuild one. I "designed" a small PCB for the MAX232 version. Here it is: Schematic: PCB: (normal and mirrored version) Component placement:
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- electronics
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I finally compiled all the different Eagle parts I had drawn over the last year into a single Eagle library and adjusted them to be more or less uniform in look. While I was at it, I also added all missing chips and connectors. Currently, it contains the following parts: 74LS08 74LS14 74LS51 74LS74 74LS138 74LS158 74LS375 4050 4051 4164 6502C/Sally 6520A/PIA 27128/OS PROM ANTIC BASIC ROM Cartridge Cartridge Socket EP8212 GTIA Joystick Port Keyboard Socket LM358 MMU Monitor Jack Parallel Bus Interface Parallel Bus Interface Device POKEY Power Jack RF Modulator SIO Jack Basically, it's everything you find on an 800XL motherboard. Update 2014-04-29: added conversion to Eagle 6.5.0 (XML file format). atari.lbr.gz eagle-6.5.0-atari.lbr.gz
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What exactly is missing from our knowledge of the Atari VCS/2600's hardware that prevents us from making a perfect hardware clone of it? I've looked around, and apparently there's already a lot of information, and even hand-drawn schematics, on the TIA custom chip. What else is there missing?
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Hi AtariAgers, I have of course Googled this concept and found a schematic, but I'd like some first-hand opinion please. Back in the day several companies sold small devices that could be installed inside the computer are and solder to the motherboard. Has anyone done this? I am looking for some pictures. Thank you. Cheers, KB -
From the album: MarkO's 001
I bought these at my local Radio-Shack on 11-MAR-2015. There were discounted %70. Each of these are normally $21.99, I got them for $6.60 each!!! -
All remaining items for sale are at eBay under eBay Seller: nolakl.
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- ColecoVision
- Sega
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