
This example show you how to get the current percentage
,and show it on the LED
screen.
Rotary control the LED show
當百分比小於
50
時,屏幕將不會顯示,否則屏幕上會顯示一個笑臉。
When the percentage is smaller than 50 the screen will show nothing,otherwise
there will be a smile face on the screen.
Rotary change event
旋轉電位器旋鈕時,液晶顯示屏將顯示笑臉。
When you rotating the potentiometer's knob ,the LED screen will show a smile face.