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Cody Computer Site showcases an open-source DIY 8-bit home computer project, rather than an online course platform in the traditional sense. The project is inspired by 1980s Commodore home computers, but it is not Commodore-compatible. Its hardware is built around Western Design Center’s 65C02, 65C22, and the Parallax Propeller microcontroller. The site provides a free PDF draft of The Cody Computer Book, GitHub design files and source code, Thingiverse STL files, and several demo videos. Its positioning is a “simple, fun, and somewhat educational” retro computer building project.
In terms of subject areas, it covers open-source hardware, electronics making, 3D-printed structures, BASIC programming, assembly language, and retro computer architecture. The format is not live classes, recorded lessons, or 1-on-1 tutoring; it is mainly based on documentation, source code, design files, and video demos, so learners need a fairly high level of self-motivation. The project can boot into Cody BASIC, and it also supports assembly cross-development with 64tass. On the hardware side, it includes NTSC graphics, SID-style audio, expansion/cartridge ports, UART, and Atari-style joystick interfaces, making it suitable for people who want to understand how a “small but complete computer” works.
The site clearly states that the PDF is free to download, and future content is also planned to be made available online for free. All design files and software are released under GPLv3, so the learning materials themselves are very low-cost. However, the original Cody Computer kit is no longer available. If you want to recreate the physical machine, you will need to source electronic components, PCBs, 3D-printed parts, and other materials yourself, so the actual cost and difficulty will depend on your own resources and experience. The site does not offer certification, completion certificates, or formal training services.
Its strengths are its high degree of openness and complete hands-on workflow. It can help learners practice hardware schematic reading, soldering and assembly, mechanical fabrication, and low-level programming at the same time. The materials are free, making it a useful reference for retro computer education. The downsides are also clear: it is not a structured course, and it lacks a clear syllabus, assignment feedback, or a guided learning path. The PDF is still a draft, and future BASIC, assembly, and electronics project content is only described as something the author “hopes” to provide. The discontinuation of the kit also significantly raises the barrier for beginners.
It is better suited to hobbyists, teachers, or makers who already have some electronics background and are willing to tinker with open-source hardware. It is not ideal for users who simply want to earn a certificate quickly, learn a general-purpose programming language, or buy a ready-made course. The teaching materials are in English. Access from China cannot be confirmed from the site text alone; related resources such as GitHub, Thingiverse, and Discord may be unstable to access from mainland China, and payment information is not disclosed. If you want a more mature Chinese-language beginner path, Arduino, Raspberry Pi Pico, 6502 tutorials, or domestic maker courses may be better alternatives.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on codycomputer.org official site.
codycomputer.org is an United States Education provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach codycomputer.org directly.