DIY spectrum analyzer is an easy project for beginners

Reading Time: 2 minutesSpectrum analysis is a technique that allows someone to observe the amplitude of various frequency ranges within a signal. The most common use case is in the world of audio engineering, as it is useful for tuning audio output. It can, for example, show you that a particular audio signal has little amplitude in the […]

This ‘crazy’ spectrum analyzer visualizes tunes with four Arduinos and 504 LEDs

Reading Time: 2 minutesThis ‘crazy’ spectrum analyzer visualizes tunes with four Arduinos and 504 LEDs Arduino Team — July 26th, 2020 Spectrum analyzers are a great way to visualize music, and “TUENHIDIY” came up with an interesting take on this device using not one, but four Arduino Unos. Each board receives the same sound input via a 3.5mm audio […]