PCEval / esp32 /level3 /button_RGB_led /src /main_esp.cpp
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/**
Press the button to turn on the LED
8 APR 2025 by Blind Author
*/
#include <Arduino.h>
const int BUTTON_R = 5;
const int BUTTON_G = 4;
const int BUTTON_B = 2;
const int LED_R = 14;
const int LED_G = 13;
const int LED_B = 12;
void setup() {
pinMode(BUTTON_B, INPUT);
pinMode(BUTTON_G, INPUT);
pinMode(BUTTON_R, INPUT);
pinMode(LED_B, OUTPUT);
pinMode(LED_G, OUTPUT);
pinMode(LED_R, OUTPUT);
}
void loop() {
if (digitalRead(BUTTON_R) == LOW) analogWrite(LED_R, 255);
else analogWrite(LED_R, 0);
if (digitalRead(BUTTON_G) == LOW) analogWrite(LED_G, 255);
else analogWrite(LED_G, 0);
if (digitalRead(BUTTON_B) == LOW) analogWrite(LED_B, 255);
else analogWrite(LED_B, 0);
}