diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..3d23a4b
Binary files /dev/null and b/.DS_Store differ
diff --git a/Freenove_Ultimate_Starter_Kit_for_Raspberry_Pi/Code/Python_Code/03.1.1_LightWater/LightWater3.py b/Freenove_Ultimate_Starter_Kit_for_Raspberry_Pi/Code/Python_Code/03.1.1_LightWater/LightWater3.py
new file mode 100644
index 0000000..cf06753
--- /dev/null
+++ b/Freenove_Ultimate_Starter_Kit_for_Raspberry_Pi/Code/Python_Code/03.1.1_LightWater/LightWater3.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+########################################################################
+# Filename    : LightWater.py
+# Description : Use LEDBar Graph(10 LED)
+# Author      : www.freenove.com
+# modification: 2019/12/27
+########################################################################
+from gpiozero import LEDBoard
+from time import sleep
+
+print('Program is starting ... ')
+
+ledPins = ["J8:11", "J8:12","J8:13","J8:15","J8:16","J8:18","J8:22","J8:3","J8:5","J8:24"]
+
+leds = LEDBoard(*ledPins, active_high=False)
+
+timeDelay = 0.5
+
+while True:
+    for index in range(0,len(ledPins),1):       #move led(on) from left to right
+        leds.on(index)
+        sleep(timeDelay)
+        leds.off(index)
+    for index in range(len(ledPins)-1,-1,-1):   #move led(on) from right to left
+        leds.on(index)
+        sleep(timeDelay)
+        leds.off(index)
+
+