Robert Ussery wrote:
> Not having had much experience with analog electronics, I'm finding
> myself a bit stumped. Normally, I'd just use an op-amp circuit to
> amplify my mcu's output for a 8 ohm speaker, but I find myself without
> any op-amps or PNP transistors to roll my own.

The easiest solution is to get some.  Jameco sells a bag of 100 2N4403 PNP
transistors for $7, and 10 LM324AN quad opamps for $2.50.  These are basic
staples that anyone into electronics even a little should have around.


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