Parts: 4×4 RGB button pad controller SPI

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We covered SparkFun's new RGB button pad controller a few weeks ago. This is a full-color clone of the monome interface; a 4x4 grid of buttons with tri-color LEDs underneath. Each LED has 24bits of color control, for more than 16million color combinations. Up to 10 panels can be chained together to create huge button grids, like SparkFun's Tetris table. We previously used a smaller version in our … [Read more...]

A history of SparkFun prototypes

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If you haven't checked out SparkFun Electronics' prototype collection yet, you're missing out. They unearthed many of their old prototypes and published them to show what kind of mistakes could be made. You'll see plenty of errors and get hints on what to look for while developing your own hardware. This pairs well with their Design for Manufacture post. Along with the pile of broken board … [Read more...]