Data Sheet
Guide  V1.0     
Email: keen@elecrow.com    Web: www.elecrow.com  ---Designed by Elecrow Keen 
66 
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. 
const 
millis() 
Application effect 
When the button is pressed, the state of the relay will be changed. 
Lesson 22: Touch lamp 
Overview 
This is a touch sensor to control the LED lamp experiment, it can control each LED light, 
but also can achieve the effect of breathing light. 
Specification 
Null   










