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The `GX16-8` connector can power Commodore retrocomputers.\n\n![Front view](/pics/psu3.jpg)\n\n## Commodore retrocomputers support\n\nThe power supply has been tested with:\n\n- Commodore VIC-20\n- Commodore 16\n- Commodore 64\n- Commodore 128\n- Commodore Amiga 500\n\n## Bench PSU outputs\n\nOutput voltages are:\n\n- 5VCC\n- 9VCC\n- 12VC\n- 9VAC - through `GX16-8` connector\n- Variable CC output\n\n## 3d printed parts\n\nSTL files can be printed using:\n\n- PLA filament\n- 0.1mm layer height\n- 15% infill\n- 4 walls\n\n## Parts needed\n\n- 1x Meanwell RT-65B power supply ([link](https://www.aliexpress.com/item/1005006587968530.html))\n- 1x Core transformer 220VAC to 9VAC ([link](https://www.aliexpress.com/item/4001293606204.html))\n- 1x `GX16-8` male \u0026 female connectors ([link](https://www.aliexpress.com/item/1005005686517100.html))\n- 4x red \u0026 black banana socket pairs ([link](https://www.aliexpress.com/item/32969822440.html))\n- 1x Precision multiturn 10kOhm potentiometer ([link](https://www.aliexpress.com/item/32858999042.html))\n- 1x Miniature toggle switch single pole double throw ([link](https://www.aliexpress.com/item/33012530737.html))\n- 1x IEC 320 power plug socket 2.0mm AC-01-2, Copper Contact ([link](https://www.aliexpress.com/item/1005004921974470.html))\n- 3x M430 10A Digital Voltmeter Ammeter ([link](https://www.aliexpress.com/item/1005002338207839.html))\n- 1x MP1584EN Adjustable 3A DC-DC step down converter ([link](https://www.aliexpress.com/w/wholesale-mp1584en.html))\n\n## GX16-8 pinout\n\nConnector pinout (solder side):\n\n| Pin | Description   |\n|-----|---------------|\n| 1   | GND           |\n| 2   | +5VDC         |\n| 3   | +9VDC         |\n| 4   | +12VDC        |\n| 5   | -12VDC        |\n| 6   | 9VAC          |\n| 7   | 9VAC          |\n| 8   | Shield ground |\n\n## Commodore pinouts\n\n### Commodore VIC-20\n\n7 Pin DIN connector - solder side\n\n| Pin | Description   |\n|-----|---------------|\n| 1   | GND           |\n| 2   | GND           |\n| 3   | GND           |\n| 4   | N/C           |\n| 5   | +5VDC         |\n| 6   | 9VAC          |\n| 7   | 9VAC          |\n\n### Commodore 16\n\nBarrel connector:\n\n- +9VDC, center negative\n\n### Commodore 64 \u0026 128\n\n![Commodore 64 \u0026 128 pinouts](/pics/C128_TO_C64_PSU-105237736.jpeg)\n\n![Side view](/pics/C64-Power-and-Cable-Pin-Numbers-1024x576.jpg)\n\n### Commodore Amiga 500\n\n![Amiga 500 pinout](/pics/amiga500-pinout.3.jpg)\n\n## Schematics\n\n[WORK IN PROGRESS]\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffabriziofiorucci%2Fretrobench-psu","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ffabriziofiorucci%2Fretrobench-psu","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffabriziofiorucci%2Fretrobench-psu/lists"}