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. Thu, 04 Dec 2008 15:44:26 -0800 http://backend.userland.com/rss092 hi, i'm trying to learn how to programme a simple serial interfacing using 8051. I found this programme from a site that uses 8051 and visual basic. b <noauthor@nospam.com> http://www.8051projects.net/forum-t10320.html Hello Oreo, in your program you are comparing the incoming characters to some fixed ones and switching LED on/off. you have defined some labels/segme Arun Kumar V<nura1002003@nospam.com> http://www.8051projects.net/forum-t10320.html thank u so much for replying. one question is, the data transmitted is in ASCII right? So should i send an 'A' or 41H instead? i try it in Edsim51 sim oreo<witchkingx@nospam.com> http://www.8051projects.net/forum-t10320.html Hello Oreo,you can either use 'A' or 41H, because the compiler ultimately converts all Ascii, Decimal, binary values into hex.i had used Edsim51 last Arun Kumar V<nura1002003@nospam.com> http://www.8051projects.net/forum-t10320.html hai arun. i did'nt notice the thanks button. hehehe anyway i have downloaded the simulator u mentioned and i will i try it. Once again thanks. oreo<witchkingx@nospam.com> http://www.8051projects.net/forum-t10320.html hai. this the vb source code that i mentioned before. I have modified a little bit based on your given code. Do you think it's ok?Private Sub Form_Lo oreo<witchkingx@nospam.com> http://www.8051projects.net/forum-t10320.html