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Home › Magazines › 2009 › January › Three-Dimensional Light Source

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Three-Dimensional Light Source

Programmable LED matrix with 125 LEDs

Published in issue 385, January 2009

Three-Dimensional Light Source
Here we present a 3D display of LEDs, each of which can be controlled individually.
This magnificent cube has at its heart an Atmel AVR microcontroller. These controllers are easy to obtain and superb open-source tools are available. Not only for Windows, but also for the Linux and Mac operating systems.

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Hardware specifications
- 125 LEDs in a special 3D matrix
- ATMEGA32 microcontroller running @ 1 MHz internal clock
- 10-way ISP-connector for reprogramming
- 5 transistors for switching the layers
- 25 transistors for switching the columns

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Magazine January 2009
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