This real-time audio spectrogram utilizes a standard VGA monitor to compute and display the frequency spectrum of an audio signal. This real-time audio spectrogram utilizes a standard VGA monitor to ...

Instruments typically used to detect the ground motion of earthquakes can also be used to identify the type of aircraft ...

Here’s an interesting use for an old organ. Let it get in on your Ham radio action. [Forrest Cook] is showing off his project which uses a Hammond Organ to encode messages which can be displayed by a ...