4A Graphical User Interface for a Multicolor LED
In this project, we’ll introduce you to the multicolor RGB LED, and you’ll learn how to build a simple graphical user interface in Tkinter to control your electronics.
PARTS REQUIRED
Raspberry Pi
Breadboard
Common cathode RGB LED
Three 330 Ω resistors
Jumper wires
INTRODUCING RGB LEDS
RGB LEDs are three LEDs in one—red, green, and blue—that can produce almost any color by combining those three colors.
With an RGB LED you can, of course, produce red, green, and blue light, and by configuring the intensity of each LED, you can produce other colors as well. For example, to produce purely blue light, ...
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