The oscilloscope device is important in the measurement process and is much like the eye, and you can get it purchased oscilloscope used or new, the important thing is the process of measurement
But in terms of preferred purchase price, and oscilloscope used should be frequency and dont forget this now, you can download free books:
Troubleshooting With the Oscilloscope
Oscilloscopes, Fifth Edition
30 Arduino Projects for the Evil Genius
Electronics For Dummies
Introduction to Test Equipment
If you can not buy a used oscilloscope you can convert the PC to the oscilloscope through the gate USB
But in terms of preferred purchase price, and oscilloscope used should be frequency and dont forget this now, you can download free books:
If you can not buy a used oscilloscope you can convert the PC to the oscilloscope through the gate USB
Good luck
