Joy-it RB-P-XPLR-SET handleiding

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Handleiding

4.2 RGB LEDS

RGB LEDs are a type of light-emitting diode that combines red, green and blue to produce a variety of colors. Much like a buzzer only produces simple

tones, RGB LEDs cannot display complex images, but they are excellent at mixing and varying colors. Each LED in an RGB unit can be varied in intensity to

produce dierent hues, from so pastels to bright, saturated colors. This makes them ideal for mood lighting, decorative lighting and in applications where

visual signals are required, such as in gaming setups or as status indicators in electronic devices. Their versatility and energy eiciency have made them a

popular choice in modern lighting systems, although, like the buzzer, their simple operation means they cannot create complex images or patterns without

additional control units.

The GPIO LEDs are connected to the GPIO pin GP1.

# Load libraries

from machine import Pin, PWM

from utime import sleep

from neopixel import NeoPixel

ledPin = 1

ledCount = 4

# Initialize GPIOs

led = Pin(ledPin, Pin.OUT)

led = NeoPixel(Pin(ledPin, Pin.OUT), ledCount)

while True:

# Turn LEDs white

for i in range (ledCount):

led[i] = (255, 255, 255)

led.write()

sleep(1)

# Turn LEDs red

for i in range (ledCount):

led[i] = (255, 0, 0)

led.write()

sleep(1)

# Turn LEDs blue

for i in range (ledCount):

led[i] = (0, 0, 255)

led.write()

sleep(1)

# Turn LEDs green

for i in range (ledCount):

led[i] = (0, 255, 0)

led.write()

sleep(1)

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