PPMScope
Microcontroller based PC Oscilloscope
... on the PIC16F877A microcontroller running with a 20MHz
clock. The maximum sampling rate is 1 MHz with a 5 Mhz equivalent sampling
mode. Currently, the computer interface supports USB, serial, and parallel ports.
Good luck on the construction and I hope you enjoy your oscilloscope. I am
happy to answer any questions or provide technical support for this design.