Simple 8-bit D-A / load meter?

[Ethan Dicks]

On 12/1/05, Gordon JC Pearce <gordonjcp at gjcp.net> wrote:
> Ethan Dicks wrote:
> > ... where I thought things were, but I appear to have lost an old file
> > that described how to make a simple D-A that one could hang off of an
> > 8-bit I/O port to generate a voltage from approx 0 VDC to +5VDC.  Does
>
> Off the top of my head, look in the top left bit of a TB303 circuit
> diagram where the 7-bit converter to generate the VCO control voltage
> is.  Googling for "tb303.gif" should bring it up.

I did eventually find that at

http://www.hylander.us/images/schematics/roland/tb303.gif

Thanks for the hint.

-ethan