75 lines
1.5 KiB
Arduino
75 lines
1.5 KiB
Arduino
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/**
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* @file led.ino
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* @brief RGB status LED cycle example for the ESP32 Arduino LVGL
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* WiFi/Bluetooth Development Board with 2.4" LCD TFT module
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* @see
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* https://github.com/pschatzmann/arduino-audio-tools/wiki/Audio-Boards#esp32-arduino-lvgl-wifibluetooth-development-board-24inch-lcd-tft-module
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* @author Phil Schatzmann
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* @copyright GPLv3
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*/
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#define LED_R 4
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#define LED_G 16
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#define LED_B 17
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void setup() {
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pinMode(LED_R, OUTPUT);
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pinMode(LED_G, OUTPUT);
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pinMode(LED_B, OUTPUT);
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// Start with LED OFF
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digitalWrite(LED_R, HIGH);
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digitalWrite(LED_G, HIGH);
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digitalWrite(LED_B, HIGH);
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}
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void loop() {
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// RED
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digitalWrite(LED_R, LOW);
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digitalWrite(LED_G, HIGH);
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digitalWrite(LED_B, HIGH);
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delay(1000);
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// GREEN
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digitalWrite(LED_R, HIGH);
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digitalWrite(LED_G, LOW);
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digitalWrite(LED_B, HIGH);
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delay(1000);
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// BLUE
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digitalWrite(LED_R, HIGH);
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digitalWrite(LED_G, HIGH);
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digitalWrite(LED_B, LOW);
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delay(1000);
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// YELLOW = RED + GREEN
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digitalWrite(LED_R, LOW);
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digitalWrite(LED_G, LOW);
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digitalWrite(LED_B, HIGH);
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delay(1000);
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// CYAN = GREEN + BLUE
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digitalWrite(LED_R, HIGH);
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digitalWrite(LED_G, LOW);
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digitalWrite(LED_B, LOW);
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delay(1000);
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// MAGENTA = RED + BLUE
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digitalWrite(LED_R, LOW);
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digitalWrite(LED_G, HIGH);
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digitalWrite(LED_B, LOW);
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delay(1000);
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// WHITE = RED + GREEN + BLUE
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digitalWrite(LED_R, LOW);
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digitalWrite(LED_G, LOW);
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digitalWrite(LED_B, LOW);
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delay(1000);
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// OFF
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digitalWrite(LED_R, HIGH);
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digitalWrite(LED_G, HIGH);
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digitalWrite(LED_B, HIGH);
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delay(1000);
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}
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