Did you know that you can make light paintings with a long exposure camera? Light painting is a photographic technique in which exposures are made by moving a hand-held light source while taking a long exposure photograph. We take this a step further by finely controlling the light source’s movement with a stepper motor driven rover. The results are stunning. The project consists of a Raspberry Pi 3, two stepper motors, and a Neopixel LED matrix. It can easily be recreated with a 3D printer and all of the code is provided.
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Adafruit NeoPixel NeoMatrix 8×8 – 64 RGB LED Pixel Matrix: Put on your sunglasses before wiring up this LED matrix – 64 eye-blistering RGB LEDs adorn the NeoMatrix for a blast of configurable color. Arranged in an 8×8 matrix, each pixel is individually addressable. Only one microcontroller pin is required to control all the LEDs, and you get 24 bit color for each LED. (read more)
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