On 30 Nov 2003 at 4:55, Samo Benedicic wrote:

> Hi!
>
> I'm following the discussion about the best way to
> switch 220V light bulbs. What would be the best way to
> turn a small AC motor ON and OFF? I'm thinking of PIC
> driven optotriac (MOC 3061) with z-c detection and a
> power triac to turn the motor on. I don't need any
> speed regulation. Is that doable? Any pitfals? I tried
> with mechanical relays, but there seems to be too much
> noise and my processor keeps resetting.
>
> Regards, Samo

If you think a relay generates noise, wait 'til you see what some motors do. The opto
isolation will keep the garbage out if you don't screw up elsewhere.

Anyway, you're on the right track, but you'll need a snubber. Google on something
like "driving inductive loads" or just "inductive loads". Check the app notes for triacs.
Maybe google "motor control."

BRs,
Mike

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