Hi Dei,

"Please tell me a simple code to flash a led...."

What language.

In assembly one of many options,

LED bit p1.0 ; anode to port.

loop
cpl LED
call delay
sjmp loop ; never stop flashing.

delay
mov r0,#0ffh
mov r1,#0ffh
dloop
djnz r0,$
mov r0,#0ffh
djnz r1,dloop
ret


end


Happy flashing. Put that on top of Xmas tree.


Simon