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#include <Adafruit_NeoPixel.h> #define PIN 28 #define NUMPIXELS 1 Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800); char receivedChar; bool newData = false; int redValue = 0; int greenValue = 0; int blueValue = 0; void setup() { Serial.begin(9600); pixels.begin(); pixels.show(); } void loop() { receiveData(); if (newData) { processCommand(); newData = false; } } void receiveData() { if (Serial.available() > 0) { receivedChar = Serial.read(); newData = true; } } void processCommand() { switch (receivedChar) { case 'R': setColor(255, 0, 0); break; case 'r': setColor(0, greenValue, blueValue); break; case 'G': setColor(0, 255, 0); break; case 'g': setColor(redValue, 0, blueValue); break; case 'B': setColor(0, 0, 255); break; case 'b': setColor(redValue, greenValue, 0); break; case 'W': setColor(255, 255, 255); break; case 'w': setColor(0, 0, 0); break; default: break; } } void setColor(int red, int green, int blue) { redValue = red; greenValue = green; blueValue = blue; pixels.setPixelColor(0, pixels.Color(redValue, greenValue, blueValue)); pixels.show(); }
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