The Definition of Asterisk is described as follow: Asterisk is a complete PBX in software. It runs on Linux, BSD, Windows (emulated) and provides all of the features you would expect from a PBX and more. Asterisk does voice over IP in four protocol

LCD1602显示的液晶密码锁，第一行显示显示固定密码，第二行显示输入密码，密码输入完毕后会有正确或者错误提示,为了演示方便，提示密码，输入密码部分也没有用星号代替。可以自行更换成星号。-The LCD1602 display LCD password lock, the first line shows the the display fixed password, and the second line enter the password after password input will

a combination of snake and maze program that whenever it hits the asterisk it will post a message ouch . once it reach the point or destination at the end it will move to the next stage-a combination of snake and maze program that whenever it hits th