Finally 7 Vus and 11 patterns working on Arduino Nano and Arduino Pro Mini 3.3 volts. I say finally working because on the Arduino Nano when using Adafruit's Electret Microphone Amplifier - MAX4466 ...

[Claudio] was working on a homebrew oscilloscope project when he started thinking about how unsuitable a standard breadboard is for a large-scale project. Rather than adding components on top of ...