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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

  • KH: IMHO PCA9685 is not a really good part for this application. It's a PWM LED driver for goodness' sake. NXP _does_not_ mention servos in the...
  • KH: So it's a servo library designed by a software guy, or a library targeted at embedded newbies, or a learner bike. Given the design of...
  • Max: A thing I wish I knew getting into Arduino-controlled servos is that the typical "180 degrees" servos DO NOT move 180 degrees for the standard...
  • Max: I have certainly noticed certain suppliers (like Adafruit, Pololu) being... "western-facing" - which is another way to say their prices definitely aren't Eastern Europe compatible,...
  • Shawn: Hello