added led.py script

rpi/timer/led.py

@@ -0,0 +1,17 @@
+import grovepi
+import time
+
+LED = 2  # Digital port D2
+grovepi.pinMode(LED, "OUTPUT")
+
+def on():
+   grovepi.digitalWrite(LED, 1)
+
+
+def off():
+   grovepi.digitalWrite(LED, 0)
+
+if __name__ == "__main__":
+    on()
+    time.sleep(1)
+    off()