Laser Audio

Schéma

audio_laser_schema.jpg speakers are connected in parallel

https://youtu.be/aBdVfUnS-pM?feature=shared

2nd try

lien youtube

patreon

Sinus generator

github

Basic Example

Here's a simple example of how to use the SimpleAD9833 library:

#include <SimpleAD9833.h>

const uint8_t CS_PIN = 10; // Chip select pin for the AD9833
SimpleAD9833 myWaveform(CS_PIN);

void setup() {
    Serial.begin(115200);
    SPI.begin()
    myWaveform.begin();
    myWaveform.setWaveform(SINE, 1000); // Set waveform to sine at 1 kHz
}

void loop() {
    // Additional code for operation
}

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

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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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