Maanikhan Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts January 2, 2012 at 5:01 pm in reply to: LCD based voting machine using 8051 microcontroller (AT89C51) pj code:023 #6979 MaanikhanParticipant Sir may i use AT89S51 in place of AT89C51?????Will there be any problem????And how many ports should i use for it??? Please reply fast.. Author Posts Viewing 1 post (of 1 total)