>> I don't think a half-bridge is useful for driving a motor.=20
>=20
> Quite possibly - and if that's the case, I'll write that in the tutorial.
> I'm already illustrating half-bridge with a piezo (push-pull giving
> twice the effective voltage)

The mechanical action of the piezo is of an oscillator. A motor
*could* be made to vibrate like a piezo by driving it CW and
CCW on alternate cycles, but it wouldn't be doing much motory
work

Joe
--=20
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