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Posts Tagged ‘minimatrix’

Inside Minimatrix

Wednesday, April 24th, 2013

[embed]http://www.youtube.com/watch?v=QNA6DSa0spc[/embed] In this video Nick Johnson demonstrates his tiny Minimatrix project and wrote a detailed explanation describing the build: While minimatrix is in principle a pretty simple device, there’s a surprising amount of detail that goes into getting it right - and some interesting lessons to be learned in designing...

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Posted in LEDs, open source | 2 Comments »

Minimatrix: A small and simple self-powered LED matrix

Monday, February 18th, 2013

Nickjohnson posted his minimatrix project in the forum. It's AVR powered 8x8 LED matrix, with an IR sensor for communication. It has just 8 parts in its BoM: A one-color 3cm LED matrix, an ATTiny2313/4313 to power and drive it, an 8-way resistor network, a battery holder, and two decoupling...

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Posted in project logs | No Comments »

Recent Comments

  • Alan: Reminds me of "bug zappers" shaped like tennis racquet. Outer mesh is ground for human contact, inner mesh has high voltage. They typically run from...
  • KH: He had qualms about electrolytic cap leakage impacting sleep current. I think such leakage is very low and hard to measure using hobby equipment, so...
  • Mike: Love these! great source for makers!
  • KH: Is my eyes playing tricks on me or did he just use gobs and gobs of solder on the top side?
  • Doug: When do we find out the winner??