Created
July 2, 2020 10:10
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// include the library code: | |
#include <LiquidCrystal.h> | |
// initialize the library with the numbers of the interface pins | |
LiquidCrystal lcd(13, 12, 10, 9, 8, 7); | |
int led = 11; // the PWM pin the LED is attached to | |
int brightness = 0; // how bright the LED is | |
int fadeAmount = 5; // how many points to fade the LED by | |
// the setup routine runs once when you press reset: | |
void setup() { | |
// declare pin 9 to be an output: | |
pinMode(led, OUTPUT); | |
lcd.begin(16, 2); | |
// initialize the serial communications: | |
Serial.begin(9600); | |
lcd.write("WHITE LED Fading !"); | |
} | |
// the loop routine runs over and over again forever: | |
void loop() { | |
// set the brightness of pin 11: | |
analogWrite(led, brightness); | |
// change the brightness for next time through the loop: | |
brightness = brightness + fadeAmount; | |
// reverse the direction of the fading at the ends of the fade: | |
if (brightness <= 0 || brightness >= 255) { | |
fadeAmount = -fadeAmount; | |
} | |
// wait for 30 milliseconds to see the dimming effect | |
delay(30); | |
} |
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