First-person-view (FPV) flying, by adding a camera, video transmitter, and video goggles to the meat on the ground, is one of the best ways to experience remote-controlled flight. For just a few hu… ...

Arduino Radio Spectrum Analyzer An application using JFreeChart that visualizes the maximum and current signal strengths read from a serial port, from a device which measures signal strengths on the 2 ...

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’) ...

[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, … ...

Figure 2 – The RSA306 connected to a Mac laptop running Windows 8. The harmonics from an Arduino controller are being measured. The regular spectrum and waterfall are displayed. As you might imagine, ...