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 2009-01-07T22:32:43-08:00 contact@nospam.com hourly 1 2000-01-01T12:00+00:00 http://www.8051projects.net/forum-t713.html 2009-01-07T22:32:43-08:00 Hi Rickey!thanks for that beautiful s/w, as in readme, its b/w is give 20-20k Hz but its specifications are not clear regarding the operating voltage range.Please make me sure with a range, no doubt no one will stake his/her sound card. http://www.8051projects.net/forum-t713.html 2009-01-07T22:32:43-08:00 Ajay yes.. correct well there are probe circuits available online.. you may google it.. and find out.. http://www.8051projects.net/forum-t713.html 2009-01-07T22:32:43-08:00 Arpit its yet not clear,,,,,,can i use the oscilloscope to analyze a 15v signal?will it be SAFE for my PC? http://www.8051projects.net/forum-t713.html 2009-01-07T22:32:43-08:00 Ajay i don't think so.. well.. i think Scope software is just for small scale measurements.. nothing much. if you search in google, you will get many softwares.. but all commercial so must be something different from this one.. thats why.. they are charging.. high.. http://www.8051projects.net/forum-t713.html 2009-01-07T22:32:43-08:00 ۞ TPS ۞ Arpit wrote ...can i use the oscilloscope to analyze a 15v signal?will it be SAFE for my PC? dear i have used that software upto 22v here is a trick just add 1k-4.7k resistance in series . it will affect amplitude of signal but not to freq. http://www.8051projects.net/forum-t713.html 2009-01-07T22:32:43-08:00 Ajay do you have any PC oscilloscope software? please share if its a good one..