PC OSC

[lpk]

Dear,

I want to design a circuit to interface with my computer through COM port to make a 3 channels PC osilloscope but I do not know where do I start. Please help me.

Thanks

[chandrashekhar]

u can go to google search engine and type the key word "building oscilloscope using computer

[steven]

:)ive herd about this before about converting your computer or useing it as am osciloscope. ill do some searching if i find anything ill report back