Happy Holidays

165

02:34:47

Simple Xmas light display.

published 5 years ago

luisfergd13

5 years ago

Thanks, that’s cool. Any ideas on how do they make lights of the same color turn on and fade at the same time and one color at the time?

Sheen140

5 years ago

@luisfergd13 Thanks man! You can make each LED any color you want, and it works by having each LED controlled by two transistors: one that let's current flow through the LED at a certain input voltage, and a second one that turns off the first transistor when the input voltage gets a bit higher, cutting off current flow through the LED. These voltages are determined by the voltage dividers formed by the 2 resistors joined at the base of each transistor.

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