Thanks Mark, I have used the Fadecandy which is quite cool and works well. I'll take=20 a look at the code. Thanks for the suggestion. Jim On 2017-09-06 06:24 PM, Mark Rages wrote: > Have a look at how https://github.com/scanlime/fadecandy uses delta-sigma > modulation to get 16-bit resolution from the 8-bit WS2811 LED controllers= .. > > On Wed, Sep 6, 2017 at 3:41 PM, Jim Ruxton wrote: > >> I got a reality check today when I thought I would try setting up a PIC >> for 24 KHz 16 bit PWM . I had been using 10 bit and wanted to up the >> resolution. After doing some calculations using something like the PIC >> 16F1779 with integrated 16 bit PWM , I would require a 1.6 GHz clock to >> achieve 16 bits at 24 kHz . Just curious what other folks would use for >> such an application. Highest frequency one could get using 16 bit PWM >> with a 32 MHz clock is about 488 Hz. >> >> Thanks, >> >> Jim >> >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .