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Sunday 12 October 2014

How to Turn on Diagonal LEDs of a 3*3*3 LED Cube (Part 8 of 10)

by realfinetime  |  in LED Cube at  02:18

<<<<  Read Previous Part (Part 7)

Arduino program to turn on diagonal LEDs only (Part 1 of 3)

          We had already seen the circuit for 3*3*3 LED cube in previous blogs. Here, we will generate a program to turn on the diagonal LEDs only, as shown in the following circuit.
          We cannot turn on the diagonal LEDs directly as done in previous posts. To turn on these three LEDs, HIGH voltage should be given to the "pos1", "pos2" and "pos3" terminals. Similarly, LOW voltage should be given to the "neg1", "neg5" and "neg9" terminals. This will turn on nine LEDs instead of three LEDs as shown in following image.
          That is, we have to go for another method to turn on diagonal LEDs only. Principle of "persistence of vision" is used here, which means a frame seen by our eyes will remain in our eyes for the next 1/16th part of a second. If the next frame is seen within this time interval, our eyes will feel that both frames are continuous.

Continued in Next Part (Part 9) >>>>



All the circuits, published in this blog is only after testing and getting proper results in my private lab. When you try these circuits, you should check the supply voltage, polarity of components, presence of childrens nearby and shorts in the circuits. This website will not be responsible for any harm happened to you or your components caused by your carelessness.

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