Back to photostream

PWM Synthesised Vibraphone

A synthetic vibraphone, synthesised on the Arduino by using the PWM (pulse-width modulation) facility. Same Y scale as the photo of the filtered PWM signal, but a much slower timebase. Fuzziness of the signal is due to residual, un-filtered-out, PWM signal at 31.25kHz.

824 views
1 fave
0 comments
Uploaded on September 6, 2009
Taken on September 6, 2009