there are many projects here | Microcontroller › 8051 › how to start timer in 89C51 by programing and stop by external hardware › there are many projects here July 13, 2011 at 1:12 am #6450 romel emperadoParticipant there are many projects here using timers… go and search for that and also read this http://www.8052.com/tuttimer.phtml
