With the addition of an analog low-pass filter, yes. Otherwise they are square waves. - Ed > On Jul 19, 2016, at 3:35 PM, Nick Marentes <nickma at optusnet.com.au> wrote: > > Can PWM play samples of varying waveform amplitude? > > Are they just square waves? > > -- > Coco mailing list > Coco at maltedmedia.com > https://pairlist5.pair.net/mailman/listinfo/coco