Add basic version of code

examples/my_hat.py

@@ -0,0 +1,32 @@
+from gpio_components import LED, Buzzer, Button
+from time import sleep
+
+
+class MyHat(object):
+    def __init__(self):
+        self.red = LED(9)
+        self.yellow = LED(10)
+        self.green = LED(11)
+        self.buzzer = Buzzer(14)
+        self.button = Button(15)
+
+        self.leds = [self.red, self.yellow, self.green]
+        self.outputs = self.leds + [self.buzzer]
+
+    def all_on(self):
+        for device in self.outputs:
+            device.on()
+
+    def all_off(self):
+        for device in self.outputs:
+            device.off()
+
+
+if __name__ == '__main__':
+    hat = MyHat()
+
+    while True:
+        if hat.button.is_pressed():
+            hat.all_on()
+        else:
+            hat.all_off()