vu-meter

Measure volumes unit with Python, and more !

Requirements

• PyAudio
• NumPy
• Matplotlib
• SoundDevice
• RPi.GPIO (for Raspberry Pi)
• RPi.GPIO emulator (for non-Raspberry Pi)
• SciPy

Usage

On your computer

Just run vu_graph_maker.py, clap your hands in front of the mic, and see every graph waving!

On a Raspberry Pi

Run vu_meter_rasp.py, plug a LED in GPIO 32 and a USB mic, and see what it does!