Add Button

lib/Button/examples/basic_usage/basic_usage.ino

@@ -0,0 +1,29 @@
+#include <Button.h>
+
+Button button1(2); // Connect your button between pin 2 and GND
+Button button2(3); // Connect your button between pin 3 and GND
+Button button3(4); // Connect your button between pin 4 and GND
+
+void setup() {
+	button1.begin();
+	button2.begin();
+	button3.begin();
+	
+	while (!Serial) { }; // for Leos
+	Serial.begin(9600);
+}
+
+void loop() {
+	if (button1.pressed())
+		Serial.println("Button 1 pressed");
+	
+	if (button2.released())
+		Serial.println("Button 2 released");
+	
+	if (button3.toggled()) {
+		if (button3.read() == Button::PRESSED)
+			Serial.println("Button 3 has been pressed");
+		else
+			Serial.println("Button 3 has been released");
+	}
+}