So I've got an standard-issue Lench 0.5W, 8 ohm speaker. I'm going to use the Arduino as a tone generator and experiment with modifying sound on the breadboard. First thing I want to try is an audio amplifier. What do I need to do to make sure I don't inadvertantly blow the speaker?
5/(150 + = 31mA5/108 = 46mA, will blow the output pin eventually.
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