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Auto-calibrating Display using Unconstrained Layouts of Individually-addressable LEDs

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aduli-led

Auto-calibrating Display using Unconstrained Layouts of Individually-addressable LEDs

Hardware Used

  • AMD Spartan-7 FPGA
  • WS2812b LED strands: sequentially addressed LEDs used to display content.
  • OV5640 Camera Module: used both for calibration and input data for displaying on the LED display.
  • HW-221 level shifter: drives the 5V logic from the 3.3v logic of the Urbana board.

Demo

Calibration demo

log ( n ) calibration

Camera feed demos

Heart demo

SMPTE demo


Useful commands:

Build on Vivado farm

lab-bc run ./ obj

Flash to FPGA

openFPGALoader -b arty_s7_50 obj/final.bit

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Auto-calibrating Display using Unconstrained Layouts of Individually-addressable LEDs

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