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==== Open Source electronic designDevelopment ====
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Do you guys know about [https://mtorromeo.github.io/gmenu2x/index.html Gmenu2X]? It's a popular launcher in the retro gaming community that is commonly used on emulation devices, including the RG350 and PocketGo systems. With the FunKey S we instead created FunKey-OS using [http://retrofe.nl/ RetroFE] as a launcher, allowing us to optimize the user interface and themes for the device's small screen. As Gmenu2X is a feature-rich alternative that provides developers and tinkerers easy access to the system to create custom software, we have decided to add support for it in an upcoming update to FunKey-OS. A lightweight alternative to the current launcher, it will be another tool that developers can use to create and share additional apps and emulators for the FunKey S! 😊
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[[File:A15-I4.png|right|256px|alt:Digital schematics of the FunKey S electronic components.]]
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[[File:A15-V2.mp4|right|256px|alt:Video of the Super Nintendo Entertainment System game Donkey Kong Country being played on the FunKey S.]]
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[[File:A15-I4.png|right|256px|alt:Digital schematics of the FunKey S electronic components.]]
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While we have put countless hours into creating the FunKey S, it wouldn't have been possible without the availability of many open source resources from other hardware and software projects. This includes the LicheePi Zero, which has its CPU in common with the FunKey S, as well as many software projects, such as U-Boot, Linux, Busybox, Buildroot, and SDL. As a tribute to all these great projects and because we strongly believe in the public availability of knowledge, we are committed to make the hardware and software of the FunKey S open source as well so that others can benefit from the same gift we were granted. In the prior two updates we provided the source for the FunKey-OS firmware as well as the mechanical 3D files for the FunKey S enclosure, so this week we present the [https://github.com/FunKey-Project/FunKey-S-Hardware electronic hardware design] in source format. This includes the schematics and layout in KiCAD editable formats, an HTML interactive BOM for easy manual part pick & place, datasheets for all major components, and Gerber production-ready files. Basically, you have the keys!
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