Add buzzer and led support

rpi/hardware/buzzer/buzzer.py

@@ -0,0 +1,20 @@
+import _thread
+import time
+
+import grovepi
+
+class Buzzer:
+
+    _pin : int
+
+    def __init__(self, pin : int):
+        self._pin = pin
+        grovepi.pinMode(self._pin, "OUTPUT")
+
+    def beep(self, duration = 1):
+        _thread.start_new_thread(self._beep, (duration,))
+
+    def _beep(self, duration = 1):
+        grovepi.digitalWrite(self._pin, 1)
+        time.sleep(duration)
+        grovepi.digitalWrite(self._pin, 0)

rpi/hardware/led/led.py

@@ -0,0 +1,15 @@
+import grovepi
+
+class Led:
+
+    _pin : int
+
+    def __init__(self, pin : int):
+        self._pin = pin
+        grovepi.pinMode(self._pin, "OUTPUT")
+
+    def on(self):
+        grovepi.digitalWrite(self._pin, 1)
+
+    def off(self):
+        grovepi.digitalWrite(self._pin, 0)