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Ultrasonic audio transmitter and receiver system

Posted on Saturday, March 10th, 2018 in AVR by DP

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An ultrasonic audio transmitter receiver system from Vinod S.

Hi all, this is another mad project.  Aim of the project is to transmit laptop audio via ultrasound to few meters and then receive it and demodulate it and playback the audio on a speaker.

See the full post on his blog.

Check out the video after the break.

This entry was posted on Saturday, March 10th, 2018 at 3:01 pm and is filed under AVR. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

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Recent Comments

  • KH: TPS62200 will get him to under 15uA, a bit better than the 20-30uA he mentioned. I would try the same thing. Switch some resistors in...
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  • KH: And that looks really expensive... Only browsed the vid though, I'm an dinosaur so I had the sound off too. Nice of him to open-source...