https://github.com/boy1dr/led_pov_globe

Make an RGB LED POV globe. (Persistance of vision, arduino)
https://github.com/boy1dr/led_pov_globe

Last synced: about 2 months ago
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Make an RGB LED POV globe. (Persistance of vision, arduino)

• Host: GitHub
• URL: https://github.com/boy1dr/led_pov_globe
• Owner: boy1dr
• Created: 2015-10-04T13:17:39.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2015-10-04T13:38:18.000Z (about 9 years ago)
• Last Synced: 2023-03-05T01:38:17.740Z (almost 2 years ago)
• Language: Arduino
• Size: 129 KB
• Stars: 0
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# LED_POV_Globe

Make an 8x RGB LED POV globe. (Persistence of vision, Arduino)

See it running here

 https://youtu.be/0UaTpHEGnHw

 

 https://youtu.be/WNXS8rF-QKY

 

The supplied Arduino files are experimental, you will need to adjust to suit your project.

I originally used a Leostick but a Nano would suffice. LED's: Common Anode/Cathode, doesn't matter.

Basic mode of operation.

Since having 8 RGB LED's connected would require 8x4 pins on the Arduino we need to optimise the circuit a little. This is achieved by displaying 1 colour at a time. All RGB LED's have 4 pins. One for ground or supply and 1 for each colour (RGB). Connect all 8 RED pins together. Then connect all 8 BLUE together, then all GREEN. 

These 3 common wires connect to 3 pins on the Arduino. 

The remaining wire for each LED (ground or supply) connects to a separate pin on the Arduino.

So to control 8 RGB LED's you need to have only 12 pins.