Digital video recorder modification for VHS video recorder

[intel]

Panasonic VHS recorder is now an old system, this circuit is used to be able to control a new digital video recorder. Recorder is controlled with the help of a Touchpanel. Touchpanel send RS232 commands. LEDs are used to represent the keys to the new digital recorder. Important point is that this circuit. PicBasic and the RS232 input accepts alphabetic commands are commands that can be created only condition for a single letter. Commands are sent in the form of a word is not possible to manage. I took care of this problem by writing code that interesting.