urgent!!plz help me (optical encoder)

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seesy123

Joined Mar 14, 2008
13
my project is design the circuit for optical encoder by using PIC16F873A,multiplex 7segments(5 7segment) and IR sensor.it sense the black and white area then it will display the distance on lcd. but i don't know how to write the assembly language for it.anyone can help me. it's urgent for me.thanks in advance
 
Last edited:

SgtWookie

Joined Jul 17, 2007
22,230
I fail to see why this is "urgent". To me, "urgent" is if my house were on fire.

You need to study up on assembly language. Fortunately for you, there are many, many examples of how to interface LCD's to PICs available, and more on how to use the comparator to sense a change on the input.
 
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