NEW GUIDE: Image Correction for RGB LED Matrices
A NEW GUIDE in the Adafruit Learning System: Image Correction for RGB LED Matrices.
Working with RGB LED matrices in CircuitPython (or Arduino with the Adafruit_Protomatter library), you might notice that certain graphics appear washed out. High-contrast elements such as text or “LED sand” look fine, but something appears off when you try loading a more subtly-shaded BMP image.
We’ve come up with a couple techniques for preprocessing images to look better on these matrices, as seen in the graphically-intensive Moon Clock and Matrix Portal Eyes projects.
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