Oscilloscope using Arduino and Processing Description Sampling oscilloscope with 4 channels (voltages from 0 to 5V), with frequencies up to 3kHz. It has a PWM signal generator and a square wave output ...

Why not! RadioLib natively supports Arduino, but can run in non-Arduino environments as well! See this Wiki page and examples/NonArduino. RadioLib was originally created as a driver for RadioShield, ...