http://www.8051projects.net/ Learn to make simple microcontroller projects, pic, 8051, avr and arm projects. download 8051 projects, tutorials, libraries, sample codes. join the microcontroller discussion forum and ask doubts regarding electronics. the best source for 8051 over internet. en-gb This work is licensed under a Creative Commons Attribution-Noncommercial 2.5 India License.Rickey's World Disclaimer Ajay Bhargav - contact@nospam.com contact@nospam.com Mon, 01 Dec 2008 12:21:28 -0800 Mon, 01 Dec 2008 12:21:28 -0800 http://backend.userland.com/rss e107 (http://e107.org) 60 Search 8051 Microcontroller Projects AVR PIC Projects Tutorials Ebooks Libraries codes query http://www.8051projects.net/search.php http://www.8051projects.net/forum-t10253.html a speed signal is generated by a sensor which has the frequency equals to the 10 times of engine shaft ratation. eg if engine shaft is rotating 60 times in a second then sesor gives the signal of 600 Hz. sensor also generate a refresh pulse in a second with pulse width of 0.33 sec.
the question is that how to programme the microcontroller for counts these pulses. thanks]]> Mon, 23 Jun 2008 08:51:19 -0700 http://www.8051projects.net/forum-t10253.html http://www.8051projects.net/forum-t10253.html If the refresh pulse u mentioned is another output of the sensor, then connect that input to the external interrupt of the 89c51 so that it can be processed in the respective interrupt service routine.]]> pdi33<islurpundalik@nospam.com> Mon, 23 Jun 2008 10:49:58 -0700 http://www.8051projects.net/forum-t10253.html http://www.8051projects.net/forum-t10253.html grace<graceful_grace29@nospam.com> Tue, 24 Jun 2008 15:57:00 -0700 http://www.8051projects.net/forum-t10253.html http://www.8051projects.net/forum-t10253.html please stick to the subject of the thread. Post ur doubt on a new thread in the appropriate section of the forum.
here is a link to the appropriate place for ur doubt:(e-books & tutorials section)
http://www.8051projects.net/forum18.html
]]> pdi33<islurpundalik@nospam.com> Tue, 24 Jun 2008 20:53:37 -0700 http://www.8051projects.net/forum-t10253.html