Is it possible to espeasy control the volume of sound in the PC (linux, maybe Windows)?. So far I use a solutions potentiometer + arduino (usb) + linux.

Referring to http://www.esp8266.nu/index.php/IR. As in the application domoticz add IR device?

Thanks. Yes does work. How can clean LCD before sending data?

Edit:
I clean the LCD command:

Yes I check the Wiki (http://www.esp8266.nu/index.php/LCDDisplay). I send message of the content:

Hi
Anybody have tutorial how send data to LCD? I would be grateful.