Hi Edward,
> Oops, I didn't use a current-limiting resistor; I'll go get one.
>
> The LED I got is labeled 'Can be driven directly with 3-12VDC', maybe it's
> got an integrated resistor but it looks very ordinary and small.
Could be - I know that there are LED with integrated resistors. You'd
need to check the datasheet for your particular LED.
> As for the buzzer, I didn't know I would need a driver circuit for the
> buzzer. I'll figure it out.
>
> The buzzer I got is labeled, 'Operating Voltage: 3-8Vac', 'Frequency:
> 2400Hz'.
So that sounds like a piezo. I think it can be hooked up the same way.
> Also, on the example circuit what does P2.0 mean?
That's the label for the GPIO pin that particular example used
(different processor).
--
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/-------------------------------------------------------------------------
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