Shafie Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 2 posts - 1 through 2 (of 2 total) Author Posts May 26, 2012 at 4:56 am in reply to: Problem in interfacing RFID module with AT89C51, need help ! #7909 ShafieParticipant //Please note that in your RFID module pin1 is the TX pin and it should be connected to pin13 (RX pin) of the max232. Leave the pin 2 of the module unconnected as it is RX pin.\ I did and getting the same result !!! , any other solution ? March 30, 2012 at 9:13 pm in reply to: Help for project on ‘Toll plaza with vehicle recognition’ #7360 ShafieParticipant Hi, I am using “mikroC for 8051” to create the HEX file of above project – “simple toll plaza system”. But it shows an error while building which says – Can’t open include file “reg51.h” – may I know what is the problem ? Author Posts Viewing 2 posts - 1 through 2 (of 2 total)