Almencla 5V-12V LM386 Amplifier Board DIY Kit Components
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$2.99
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$3.52
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$2.99
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Product review & video
In this video, I'm going to show you how to
build a simple audio amplifier that can power nearly any
speaker. For less than $3 in parts it gets surprisingly
loud. This tutorial was supported by The Great Courses
Plus. In my previous videos about amplifiers, I
showed you how to make a simple op amp circuit that can power
headphones, and another one where I showed you how to make a powerful class D design. But what if you
just want a simple amplifier that can drive a speaker without all the fancy switch-mode
circuitry? The LM386 is an all-in-one class AB audio
amplifier chip, and it's the easiest way to power a speaker. This
chip has been around decades, and it is still used to this day in products like computer
speakers and portable stereos. So everyone who works with electronics needs
to know about this chip. The maximum
power output is roughly 1 watt, which doesn't sound like much in a


