> > Hey, what do you guys think of this project?
> >
> > http://www.stefanv.com/electronics/battman2.html
> >
> > I've been looking to make or buy a computer controlled battery
> > charger/discharger with voltage/temperature monitoring.
>=20
>=20
> Schematic
>=20
>        http://www.stefanv.com/rcstuff/battman2/schematic.gif
>=20
> Looks bearable.
> 4040 driven DAC for ADC is archaic but makes use of parallel port access
> easy.
> Current setting is also primitive and biased towards parallel port use.
> Use with a USB to parallel port converter would usually be required
> and may work OK in many cases.
>=20

Beware of USB to parallel port adapters. Most (all?) that I have looked at =
does=20
not give you direct access to the parallel port pins. Instead it is suppose=
d to=20
only work with a printer. I have not looked at this for quite some time but=
 I=20
think it is still the case.

/Ruben
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
Ruben J=F6nsson
AB Liros Electronic
Box 9124, 200 39 Malm=F6, Sweden
TEL INT +46 40142078
FAX INT +46 40947388
ruben@pp.sbbs.se
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D

--=20
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