Oscilloscopes display signal voltages as graphs and are widely used for electrical testing.Ã‚ They are rather expensive so you could save money and search eBay or learn to build an oscilloscope through theses tutorials.Ã‚ You can use the Arduino to make a poor man’s scope or go all out and build an oscilloscope complete with a spectrum analyzer.
More oscilloscope tutorials:
- Oscilloscope using a microcontroller and a TV.
- Build a retro awesome oscilloscope.
- How to Build Your Own Oscilloscope Probes