Appearance and function match the final product, but is made with different manufacturing methods.

Looks like the final product, but is not functional.

Demonstrates the functionality of the final product, but looks different.

A prototype is a preliminary model of something. Projects that offer physical products need to show backers documentation of a working prototype. This gallery features photos, videos, and other visual documentation that will give backers a sense of what’s been accomplished so far and what’s left to do. Though the development process can vary for each project, these are the stages we typically see:

These photos and videos provide a detailed look at this project’s development.

In 2011 the original Gameduino brought vintage gaming to the Arduino.

In 2013 Gameduino 2 set a new standard in hand-held open-source gaming.

Now Gameduino 3 raises the bar again. Even more processing power for your games and applications - plus real video playback, all using a regular Arduino.

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It's completely compatible with the Gameduino 2, but adds even more graphics power, smooth video playback, and dozens of new features. Together with microSD storage for game assets, headphone audio output, and a top quality full-color 4.3 inch touch screen.

Gameduino 3 is designed, tested, documented and the prototypes are built. The videos were all taken from the real hardware - everything you see is running on a stock Arduino with the prototypes. What needs to happen next is a manufacturing run. Your pledge gets you a Gameduino 3 from this first run.

The Gameduino 3 uses an FT810 EVE, an integrated graphics processor that is backwards compatible with the FT800 in Gameduino 2, and has about 4X more power:

video decompressor for full-screen 30 fps video

1 megabyte of onboard RAM, 1 gigapixel per second fill rate

microSD card and audio output with sample playback

high contrast 4.3" 480x272 LCD panel with resistive touch screen

support for maps created with the Tiled Map Editor

PNG image loading from microSD

accelerated JPEG loader

hardware portrait/landscape orientation switching

Full support for Arduino, ESP8266 and Teensy 3.2

online tools for graphics, audio, font and video preparation

All these features are available from the GD library for Arduino, which now includes full support for both GD2 and GD3. The Gameduino 2 Cookbook will gain an extra chapter on the Gameduino 3's extra features.

There are examples and code on the project page at http://excamera.com/sphinx/gameduino3/.

The Gameduino 3 hardware, software and documentation is open-source (BSD license).

Graphics used in the demos are by Kenney, and videos are from pixabay and the internet archive. The music is High School Snaps by Broke for Free.