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Engagement
  • Author Author: cypresstwist
  • Date Created: 27 Feb 2020 6:37 AM Date Created
  • Views 688 views
  • Likes 10 likes
  • Comments 4 comments
  • sound
  • ogg
  • acousticsch
  • acoustics
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Children's acoustic toy

cypresstwist
cypresstwist
27 Feb 2020
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Acoustics

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I'm making a children's toy with 10-11 analog buttons. Each time you push a button a sound comes out. The files are 16hz stereo OGGs. I'm using an Adafruit Audio FX with 16MB and built-in amplifier. Two 8ohm/1W speakers, 5V power source. The plan is to atach a TFT screen and make the screen display a picture each time a sound is played. If the sound is that of a train, the picture of a train will be displayed; if it's a dog barking, the picture of a dog will be displayed.

This is so kids under 3 years old can learn and play by pushing big buttons that each play up to 10 random sounds. So far I have the breadboard project. Waiting for some Arduino TFTs to arrive from China so I can continue working on it.

 

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/Later edit: Finally got around and almost finished the project. I got this box that I cut 20mm holes in and a barrel connector for power. Got these big green analog buttons and spend the last two days gathering free audio samples from the Internet and converting them to OGG.

 

I first punched holes into a sticker to mark the places I need cut out:

 

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Then I cut them out using electric tools and superglued the buttons into place:

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Took the microcontroller and a prototyping board and made the connections using Dupont wires.

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I also installed an analog on/off switch and two smaller volume buttons:

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The final result looks like this:

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...and works like this (I still have some samples to upload and clean-up):

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Top Comments

  • cypresstwist
    cypresstwist over 3 years ago in reply to dubbie +4
    I'm still experimenting with various free WAV samples, so these were just thrown in there at random. But I thought of grouping them into nature sounds, animal sounds, city sounds, funny noises, public…
  • dubbie
    dubbie over 3 years ago in reply to cypresstwist +4
    You could also try some more off-beat sounds, like cooking. My grandson is mad keen on cooking and spends all his time playing with his kitchen - he would love cooking sounds, although I'm not entirely…
  • dubbie
    dubbie over 3 years ago +3
    Looking good, or should I say 'Sounds Good'. Some sounds might be a bit scary for 3 years olds. Dubbie
  • robogary
    robogary over 3 years ago

    Ohhh man, looks and sounds great.

    How about a button that says time to use the potty ?  rofl

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  • dubbie
    dubbie over 3 years ago in reply to cypresstwist

    You could also try some more off-beat sounds, like cooking. My grandson is mad keen on cooking and spends all his time playing with his kitchen - he would love cooking sounds, although I'm not entirely sure what they might be.

     

    Dubbie

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  • cypresstwist
    cypresstwist over 3 years ago in reply to dubbie

    I'm still experimenting with various free WAV samples, so these were just thrown in there at random. But I thought of grouping them into nature sounds, animal sounds, city sounds, funny noises, public service car sounds (so kids could learn the difference between an ambulance siren and a police car siren) etc.

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  • dubbie
    dubbie over 3 years ago

    Looking good, or should I say 'Sounds Good'. Some sounds might be a bit scary for 3 years olds.

     

    Dubbie

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