On Wed, Apr 11, 2012 at 07:38:17PM +0200, Wouter van Ooijen wrote:
> On 11/4/2012 7:20 PM, Neil wrote:
> > Hi all,
> > Can any of you recommend a D-to-A converter with a single-wire
> > digital-side interface? As small as possible -- roughly SOT23-5 to
> > SSOP-8 would be good, 5V powered, 0-5V output (I'll actually do 0.5V to
> > 4.5V output with it).
> I'd opt for a PIC. UART in, PWM out.
Why not do software PWM on the existing I/O pin then? All that is needed is
a low pass filter.