Simple button script

arduino/Button code/simple-buttons.ino

@@ -0,0 +1,40 @@
+//connect the 3v3 directly to the button and the other end of the button to a pin.
+//this script adds a digital resistor so you dont have to add one yourself
+
+const int buttonPin = 21;  // the number of the pushbutton pin
+const int buttonPin1 = 1;  // the number of the pushbutton pin
+const int buttonPin2 = 37;  // the number of the pushbutton pin
+
+
+// variables will change:
+int buttonState = 0;  // variable for reading the pushbutton status
+int buttonState1 = 0;  // variable for reading the pushbutton status
+int buttonState2 = 0;  // variable for reading the pushbutton status
+
+void setup() {
+  // initialize the pushbutton pin as an input:
+  pinMode(buttonPin, INPUT_PULLDOWN);
+  Serial.begin(9600);
+}
+
+void loop() {
+  // read the state of the pushbutton value:
+  buttonState = digitalRead(buttonPin);
+  buttonState1 = digitalRead(buttonPin1);
+  buttonState2 = digitalRead(buttonPin2);
+  
+
+  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
+  if (buttonState == HIGH) {
+    Serial.println("ik ben high");
+  } 
+  else if (buttonState1 == HIGH){
+    Serial.println("ik ben higher");
+  }
+  else if (buttonState2 == HIGH){
+    Serial.println("ik ben highest");
+  }
+  else {
+    // turn LED off:
+  }
+}