On Sun, Jun 28, 2015 at 1:08 AM, IVP <joecolquitt@clear.net.nz> wrote:

> > D1 has nonsense. Replace it with a short circuit.
>
> Current variations through D1 will affect the Vf, so Vdd isn't going
> to be regulated. Although 6V is below absolute limit (but outside
> spec Vdd) a 7805 would be better. And bulk capacitance, like
> 100uF. This is going to be particularly helpful as batteries run down
>
> Of course, I didn't even  noticed it's 7806...

Vasile
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