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Light Painting with an LED Robot

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Published on Mar 16, 2017

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.

Here are some examples of normal light photography
Tutorial: https://www.youtube.com/watch?v=2vCai...
Roomba art: https://www.google.com/search?q=light...

Hacker House is supported by fans on Patreon. Help us make more projects by donating here: http://www.patreon.com/hackerhouse

USEFUL LINKS:

Find all the 3d printable parts for this project on our Hackaday.io page: https://hackaday.io/project/20365-lig...

All the code can be found on Github: https://github.com/HackerHouseYT/Ligh...

Raspberry Pi Neopixel library: https://github.com/jgarff/rpi_ws281x

Follow Hacker House on Instagram:
https://www.instagram.com/hacker_hous...

Subscribe to Hacker House: https://www.youtube.com/channel/UCEcN...

MATERIALS:

2× Nema-17 200 steps/rev Stepper Motors
https://www.adafruit.com/products/324

2× Stepper Motor Drivers
https://learn.adafruit.com/adafruit-t...

1× Raspberry Pi 3
https://www.raspberrypi.org/products/...

1× Neopixel 8x8 LED Matrix
https://www.adafruit.com/product/1487

1× Female Jumper Wires
https://www.adafruit.com/products/794

1× Cell Phone Charging Battery
https://www.amazon.com/Anker-PowerCor...

1× 12v Step Up Chip
https://www.amazon.com/Qunqi-XL6009-A...

2× Might Need a Couple USB Splitters
https://www.amazon.com/Cute-USB-2-Por...

MUSIC:
Joakim Karud: https://soundcloud.com/joakimkarud
Andrew Applepie: https://andrewapplepie.bandcamp.com/

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