4
votes
3answers
937 views

Playing a low res WAV/PCM file using a Basic Stamp II microcontroler speaker

Is there a way to convert PCM data to PWM impulsion so that I can send it a basic stamp microcontroler in order to play audio on a external speaker ? (without using an IC)
6
votes
3answers
508 views

How do I measure loudness?

I was toying around with an idea for a digital musical instrument with breath control. I've successfully experimented with pressure sensors and they are probably the right way to go, but my first idea ...