feat: Added button

Arduino/Program/Program.ino

@@ -4,6 +4,7 @@ const int redPin = 4;
 const int greenPin = 5;
 const int bluePin = 13;
 const int whitePin = 14;
+const int btnPin = 18;
 
 #define PIN_WS2812B 27
 #define NUM_PIXELS 68
@@ -13,6 +14,12 @@ Adafruit_NeoPixel ws2812b(NUM_PIXELS, PIN_WS2812B, NEO_GRB + NEO_KHZ800);
 String inputCommand = "";
 String inputColor = "";
 
+int buttonState = 0;
+int lastButtonState = LOW;
+
+unsigned long lastDebounceTime = 0;  // the last time the output pin was toggled
+unsigned long debounceDelay = 50;
+
 void setup() {
   ws2812b.begin();
   Serial.begin(9600);
@@ -21,6 +28,7 @@ void setup() {
   pinMode(greenPin, OUTPUT);
   pinMode(bluePin, OUTPUT);
   pinMode(whitePin, OUTPUT);
+  pinMode(btnPin, INPUT);
 
   analogWrite(redPin, 0);
   analogWrite(greenPin, 0);
@@ -60,6 +68,30 @@ void loop() {
       inputColor = "";   // Clear the inputColor string
     }
   }
+
+  int reading = digitalRead(btnPin);
+
+  if (reading != lastButtonState) {
+    // reset the debouncing timer
+    lastDebounceTime = millis();
+  }
+
+  if ((millis() - lastDebounceTime) > debounceDelay) {
+    // whatever the reading is at, it's been there for longer than the debounce
+    // delay, so take it as the actual current state:
+
+    // if the button state has changed:
+    if (reading != buttonState) {
+      buttonState = reading;
+
+      // only toggle the LED if the new button state is HIGH
+      if (buttonState == HIGH) {
+        Serial.write("1");
+      }
+    }
+  }
+
+  lastButtonState = reading;
 }
 
 void setLight(int brightnessValue) {