47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#include <Arduino.h>
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#include <LiquidCrystal.h>
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#define LCD_COLS 16
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#define LCD_ROWS 2
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#define BUTTON_GREEN 2
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#define BUTTON_YELLOW 10
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#define BUTTON_BLUE 12
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#define BUTTON_RED 3
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#define LED_GREEN A5
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#define LED_YELLOW A4
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#define LED_BLUE A3
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#define LED_RED A2
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#define TONE_BLUE 329
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#define TONE_RED 440
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#define TONE_GREEN 165
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#define TONE_YELLOW 277
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#define BUZZER 11
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const uint8_t LEDS[] = {LED_GREEN, LED_YELLOW, LED_BLUE, LED_RED};
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const uint8_t BUTTONS[] = {BUTTON_GREEN, BUTTON_YELLOW, BUTTON_BLUE, BUTTON_RED};
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const uint16_t TONES[] = {TONE_GREEN, TONE_YELLOW, TONE_BLUE, TONE_RED};
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LiquidCrystal lcd(9, 8, 4, 5, 6, 7);
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void setup() {
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, HIGH);
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lcd.begin(LCD_COLS, LCD_ROWS);
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pinMode(BUZZER, OUTPUT);
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for (int i = 0; i < 4; i++) {
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const uint8_t led = LEDS[i];
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pinMode(led, OUTPUT);
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pinMode(BUTTONS[i], INPUT_PULLUP);
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digitalWrite(led, HIGH);
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tone(BUZZER, TONES[i]);
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delay(300);
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}
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noTone(BUZZER);
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digitalWrite(LED_BUILTIN, LOW);
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}
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void loop() {
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} |