The Coolest Speakers are TOO PRICEY? Let's Change that! (DIY or Buy)

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You can get the Components for the DIY version here: (affiliate links)
Ultrasonic Transmitter:
Arduino Nano:
AD9833:
MCP602:
LM393:
Resistors:
Potentiometers:
H-Bridge:

You can download the DIY project files here:


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In this episode of "DIY or Buy", we will be having a closer look at directional speakers. The usage of such speaker is "fairly" new and quite interesting. As the name would suggest, they can playback audio in a very directional straight beam. So how does this sound? How does it work? And why is it so expensive and can we maybe create a cheaper DIY version? Let's find out!

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0:00 Directional Speakers are TOO PRICEY!
1:35 Intro
2:20 How does it Work? (Simple)
3:55 Repairing the Buy version
4:56 Testing the Buy version
6:31 How does it Work? (Amplitude Modulation)
7:55 Creating a DIY version!
10:30 Testing DIY VS Buy!
11:45 Verdict