On 10/28/05, John Waters <john_fm_waters@hotmail.com> wrote:
> I need to turn ON/OFF a small d.c. motor regularly, the d.c. voltage as
> applied on the motor is 1.5 V, while the current throwing through is less
> than 80mA. As the whole thing will be driven by batteries, I want all the
> power to go to the motor instead of the mechanism to turn it ON/OFF. Hence I
> would avoid using a relay since the current drawn by the relay coil will be
> quite big. Is there any power-budgetary ways to turn ON/OFF my motor?

You could use a normally closed relay, then the relay would only be
taking power when the motor isn't.

Josh
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