[El Artis] just finished building an audio spectrum analyzer that uses a character LCD. The uses an Arduino to drive the display, but unlike other meters that use the microcontroller for analysis, … ...

With an off-the-shelf LCD, this mess of wires and boards turns into an auto-scanning spectrum analyzer that’s also able to put ... 11 thoughts on “ Using Arduino For Quadcopter Spectrum ...

The LCD oscilloscope contains 128×64 graphical LCD modules where all three controller chips are usually bonded directly to the printed circuit board and covered with drops of black resin. It was built ...

A fully fledged spectrum analyzer on a basic Arduino board? It is possible when the software is tailored to the available processing power. A standard Arduino can be turned into an AC line (‘mains’) ...