Alexiev
BULGARIA • + Follow
Dec 08,2019
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RetroWiz - ATMEGA328 based retro AT-PC computer

2 Layers PCB 74 x 44 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
retro gaming platform based around and ATmega chip
3580
6
9
Published: Dec 08,2019
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Topic
Arduino
Hardware
game arduino ATMEGA328 based retro AT-PC computer
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  • Here is my board.

    Jul 16,20240 Comments
    Reply

  • I finished building the Retrowiz VGA game device and it works! See attached pictures. I used solder paste and a hot air gun to solder all the smd parts but had trouble with the reset switch because I was afraid to plastic might melt. As a result there was a path for the current to flow from R3 to GND resulting in the AVR to be permanently in reset mode. I redid the switch with a soldering iron (still difficult) and the problem went away. I also programmed the AVR using my STK600 + TQFP32 adapter before soldering, to minimize potential problems. I programmed the Pacman binary, as included with the retrowiz release (also attached) and set the fuses properly (specifically clear the DIV8 fuse and set the full swing crystal fuse). Once the board was working, I tested the ISP connection (pin 1 of the ISP header is next to R10, not obvious) and it worked great. All in all, I am pleased with the result though there are definitely software bugs in the Pacman game, where pacman is allowed to go outside of the maze. Hopefully I can find time in the future to fix these. Many thanks to Jaromir Dvorak, the designer and coder of this project. JdR (Dutchtronix)

    Jul 16,20240 Comments
    Reply

  • Hi guys. I download all file. source code and PCB. I assemble it in PCB. I test with 4 hex file for ATMega328 that given in source code for test. but they do not work at all. and I start debugging. the hex file not run, because the Vsinc and Hsync pin have not output. I cheek with Oscilloscope. if anyone that want to build ... /// !!! and if somebody build it, please help me. I need hex file that tested in real board. I see video of this retrowiz in youtube. and send email to designer, but it do not active, contact with me and send any useful data about this project. because I want build it. thank a lot ff_electronic@yahoo.com

    Dec 26,20230 Comments
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  • Hi, Alexiev. The link to the software (retrowiz-src.zip) don't work anymore. Do you have another link? The creator of this project, Jaromir Dvorak, aka Jerry, is very difficult to find! jrseattle

    Mar 18,20224 Comments
    Alexiev 2022-03-19 18:41:49Reply

    working for me , if you can not download it , tell me your email I will send it

    J dR 2022-03-21 05:19:13Reply

    Strange. Please send to jrseattle at msn dot com (jrseattle@msn.com). Thanks!

    J dR 2022-03-21 05:30:20Reply

    Update: Chrome doesn't work for me but Edge was able to download the file. Security related. Thanks for posting this project. I ordered the PCB.

    J dR 2022-03-21 11:29:56Reply

    Do you have a copy of the file Eagle.zip? The images on the backup website don't load anymore.

    Reply

  • I didn't know that was possible! Very cool!

    Mar 20,20200 Comments
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