roselin
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i want to measure the oxygen rate of person using pulse oximeter sensor and display it in LCD using pic 18f4520.im giving input in the form of voltage to pic controller.According to the voltage level,i want to vary display in LCD.my maximum voltage will be 440mv and min will be 1/0mv.i want to display 99% if my voltage is 440mv else 1% for 1/0mv.im using c18 compiler.pl send me the coding.