looking for laser data transmission sytem using 89c51

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harishwww

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hi
i am looking for 89c51 based laser data transmission system can any body help me posting links circuit diagram etc
 

i have circuit using pic micro if you want i can post here circuit diagram so that you can change to 8051
 

here is my dummy code will this work
for tx
ORG 00H
MOV P2,#0FFH
MOV SCON,#50H
MOV TMOD,#20H
MOV TH1,#-3
SETB TR1
AGAIN : MOV A,P2
MOV SBUF,A
HERE1 : JNB TI,HERE1
CLR TI
HERE2 : JNB RI,HERE2
CLR RI
MOV A,SBUF
MOV P1,A
JMP AGAIN
END
for rx
ORG 00H
MOV P2,#0FFH
MOV SCON,#50H
MOV TMOD,#20H
MOV TH1,#-3
SETB TR1
HERE1 : JNB RI,HERE1
CLR RI
MOV A,SBUF
MOV P1,A
MOV A,P2
MOV SBUF,A
HERE2 : JNB TI,HERE2
CLR TI
JMP HERE1
END
 

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