praveenkv1988

It is a set-top box kit. With serial port, and other AV ports.

I have a kit with haier hi2011. I need the datasheet for this. Can anybody help???

What do you mean by "automatic"?

Those components are not available for external usage. The ckt. you are referring is an implementation of OR gate. (How it is implemented inside an IC).

Hello everybody, I would like to know how GSM Phones work. I am interested in very deep explanations. I would like to know how it registers with network in more detail.

Refer Wikipedia article. It is Liquid Crystal Display. You can see in calculators, Digital Watches etc.