## alternatives:

[pcscope](https://www.electronicsforu.com/electronics-projects/pc-based-oscilloscope-using-arduino)
([source](http://efymag.com/admin/issuepdf/PCBasedOscilloscopeUsingArduino.zip))

> By default, the ADC configuration of the Arduino gives samples every 116µs.
> So here the ADC is configured with additional lines of code to get samples faster than 85µs by setting the prescaler to 16.
> With this, you get ADC conversion every 20µs, […]