updated timer script

rpi/timer/main.py

@@ -1,4 +1,4 @@
-from grove_rgb_lcd import *
+import led
 import sys
 import select
 
@@ -22,6 +22,8 @@ def update_timer(white_total_time, black_total_time):
     setText(f"W {white_minutes:02d}:{white_seconds:02d}\nB {black_minutes:02d}:{black_seconds:02d}")
 
 if __name__ == "__main__":
+    led.off()
+    led.on()
     setRGB(255, 255, 255)
     while whiteTime > 0 and blackTime > 0:
         currentTime = 0
@@ -32,8 +34,11 @@ if __name__ == "__main__":
 
         update_timer(whiteTime, blackTime)
 
+        # wait up to 1 second for Enter
         rlist, _, _ = select.select([sys.stdin], [], [], 1)
 
         if rlist:
             sys.stdin.readline()  # consume Enter
             current = "black" if current == "white" else "white"
+
+led.off()