Hammad younas Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts May 16, 2016 at 3:57 pm in reply to: Automatic bidirectional visitor counter using 8051 microcontroller (AT89C51) #13925 Hammad younasParticipant I have same problem with iR… But my system is not working. Author Posts Viewing 1 post (of 1 total)