A recent design by [Selenium] is super simple because it uses a single LM386 audio amplifier IC. You might be surprised that you can convert an audio amplifier to a receiver using just a handful ...
Such a chip is the 386, not the 80386 microprocessor you were expecting but the LM386, a small 8-pin DIP audio amplifier that’s as old as the Ark. the ‘386 can still be found in places where a ...
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