MAY8

Wireless POV display

As the authors stated, "a POV display is a display created by rotating an array of LEDs rapidly. Due to the fact that human eyes can only render so many images per second, the fast spinning LEDs seem like a solid display".

This modular RGB POV display is a final work of two students from Cornell university. It is possible to write custom messages from PC via wireless XBee connection and even update firmware. Microcontroller used in this project is Atmega644 and it is all built on two PCB boards: main board with microcontroller and LED board with 96 LEDs. Position detection of rotating part is accomplished by using Hall effect sensor. Source code is written in AVR GCC C and it is available for download on the project page.

© Jonathan Diamond, Honghao Tian

[ Source: Jonathan Diamond, Honghao Tian ]

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