Data Sheet
Guide  V1.0     
Email: keen@elecrow.com    Web: www.elecrow.com  ---Designed by Elecrow Keen 
36 
Compile and upload 
Tips: Refer to the operation demo (Step4 to Step8). 
Language reference 
Tips:click on the following name to jump to the web page. 
If you fail to open, use the Adobe reader to open this document.   
#define 
tone() 
Application effect 
When the upload process is complete, the buzzer sounds for 2 seconds. 
Lesson 10: RGB LED 
Overview 
In this lesson, you will learn how to use a RGB (Red Green Blue) LED with an Arduino. 
You will use the analogWrite function of Arduino to control the color of the LED. 
Specification 
Emitting Light Color: Blue, Red, Green 










