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2nd try

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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)

You can get the Buy version here: (affiliate link) https://s.click.aliexp... You can get the Components for the DIY version here: (affiliate links)

  • Ultrasonic Transmitter: https://s.click.aliexp...
  • Arduino Nano: https://s.click.aliexp...
  • AD9833: https://s.click.aliexp...
  • MCP602: https://s.click.aliexp...
  • LM393: https://www.ti.com/lit/ds/symlink/lm193.pdf?ts=1640569642482
  • Resistors: https://s.click.aliexp...
  • Potentiometers: https://s.click.aliexp...
  • H-Bridge: https://s.click.aliexp...

You can download the DIY project files here: / 119558088

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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!

Websites that were shown during the video: https://cocosonics.mys... https://github.com/The... https://www.analog.com... https://www.estudioele...

Thanks to JLCPCB for sponsoring this video. Visit https://jlcpcb.com to get professional PCBs for low prices

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