What is the purpose of using aluminum-gallium-arsenide in LEDs?

The purpose of using aluminum-gallium-arsenide in LEDs is to create a highly conductive material that can efficiently convert electrical energy into light.

If a common cathode RGB LED has a forward voltage drop of 2 volts for the red LED, 3 volts for the blue LED, and 2.5 volts for the green LED, and the forward current for each LED is 20 mA, what would be the total voltage and current required to power the RGB LED at full intensity with all three colors on

Suppose we have a common anode RGB LED connected to a microcontroller that can generate PWM signals with a resolution of 8 bits (0-255). If we want to create a specific color by adjusting the intensity of each LED, how many different combinations can we create using the 8-bit PWM signals for each LED?

Write a program to create different shades of red using a loop.

What is the purpose of using aluminum-gallium-arsenide in LEDs?

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