Ultrasonic Distance Finder By Using 89c51
Bismiallah Hirahman Niraheem
As you see below there are two code one is main code and another is a external function code and this is for serial transmit ...when main code call this function then serial transmission is occur .
Important thing is that i use cyrstal oscillator of 11.0592 Mhz for serial communication ...12Mhz oscillator not worked .