3 x 3 x 3 LED Tutorial

Welcome

This will be a step by step tutorial on how to create your own 3X3X3 LED cube from home.

Step 1

What do you need:

  • 1x Arduino Uno.
  • 27x LED's (i use 3 colors, 9 of each color)
  • 9x 220 ohm Resistors
  • 3x 22k Ohm Resistors
  • Soldering wire and rod
  • Jumper wires
  • Three 2N3904 npn transistors
  • perforated circuit board
  • Step 2

    Prepare the LED's

    Bend the negative terminal (cathode) of the LEDs and arrange them on the mold with the bent cathodes touching each other as shown in the photo. For those who do not know, the negative terminal is the shorter one

    Step 3

    Solder the LED Cube

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    What is a web site?

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