From: Alex <kb...@gm...> - 2007-03-14 01:21:39
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On 3/13/07, Alexandre Pereira Nunes <al...@om...> wrote: > > I'm not an electronics guy, but I think you could put a transistor > between the pwm pin and the speaker. The reason is that if a transient > surge comes from the speaker (it's an inductance), it would probably > burn the transistor and not the robostix. But I'll let those experienced > on the subject conclude, perhaps I'm talking nonsense here. He's probably fine with that little tiny speaker, but that's not a bad idea for larger loads. I have a midi keyboard sitting in my room, and I just might try this. That's such a cool idea. |