Interfacing Seven Segment Display.

Hi all.. I am trying to interface keypad and Seven Segment display with 89S52. what i need to do is whatever keys are pressed from keypad, it should show on seven segment display. for Eg. if 2 is pressed...
multipexing seven segment display

want to display 1,2,3,4 on four seven segemnt display connected to 8051 in such way that the display reads as "1234", but I am not able to write delay routine which refreshes the displays fast enough...
Interfacing Seven Segment Display.

Hi all.. I am trying to interface keypad and Seven Segment display with 89S52. what i need to do is whatever keys are pressed from keypad, it should show on seven segment display. for Eg. if 2 is pressed...
multipexing seven segment display

want to display 1,2,3,4 on four seven segemnt display connected to 8051 in such way that the display reads as "1234", but I am not able to write delay routine which refreshes the displays fast enough...
Filtering $GPRMC string

Hi everybody please check this code. /*------------------------------------------------------------------------------ Serial.c ------------------------------------------------------------------...