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We had already seen the internal circuit of 2*2*2 LED cube in the last blog. Here, we will make some modifications in the circuit to turn on LED 1 only.
If the circuit is done as given above, LED 1 will turn on. Positive terminal of 5V cell is connected to the anode terminals of LED 1, LED 2, LED 3 and LED 4 through a current limiting resistor of 1K. Negative terminal of 5V cell is connected to the cathode terminals of LED 1 and LED 5. From these two connections, we can conclude that the only LED which will get both positive and negative voltages is LED 1. Then, LED 1 will turn on.
We had already seen the internal circuit of 2*2*2 LED cube in the last blog. Here, we will make some modifications in the circuit to turn on LED 1 only.
If the circuit is done as given above, LED 1 will turn on. Positive terminal of 5V cell is connected to the anode terminals of LED 1, LED 2, LED 3 and LED 4 through a current limiting resistor of 1K. Negative terminal of 5V cell is connected to the cathode terminals of LED 1 and LED 5. From these two connections, we can conclude that the only LED which will get both positive and negative voltages is LED 1. Then, LED 1 will turn on.
Continued in Next Part (Part 3) >>>> |
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