ArdOsc is an awesome Arduino oscilloscope project built using an Arduino Nano and a tiny 1.3” OLED display. Peter Balch the Arduino oscilloscope creator ...

To make your own Arduino based oscilloscope, follow these four steps. Your board will be able to use up to four input channels at frequencies up to 7 kHz and as many as seven input channels at 4 kHz.

Makers, hobbyists and developers that are looking for an ultra Low cost 4 Channel 300KS/s Oscilloscope that is both Arduino compatible and been specifically designed to complement the DIY test bench.