hi, I am planing to use a 16f628 to control a temperature, and I faced two issu= es (maybe it seems for some very simple but I need your advises). first, the tension in the output of my sensor is very small and even if I a= mplify how could this pic recognize its value? finally, how can I interface the 8 data pins of lcd display with the output= of the pic16F628? thanks in advance, best regards, Mustapha ELKEJBOUT --------------------------------------- "Every one has to do what he can do according to how it can be truly done" For whom the bell tolls, Ernest Hemingway. = --------------------------------- D=E9couvrez une nouvelle fa=E7on d'obtenir des r=E9ponses =E0 toutes vos q= uestions ! Profitez des connaissances, des opinions et des exp=E9riences de= s internautes sur Yahoo! Questions/R=E9ponses. -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist