world's deepest dustbin Options

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ranjitha.bm

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want to try and build a trash can similar to the one in video of "The
World's Deepest Bin" from thefuntheory.com. Here is the link to the
video so that you know what I am talking about.
**broken link removed**
does anyone know the circuit diagram or the list of components they
have used like what type of sensors , speakers, battery etc? if anyone
knows please share it guys...
 
Cool, Bet with some work you could teach it to say thank you!
 
what type of sensors , speakers, battery etc? if anyone
knows please share it guys...
Click to expand...
Looks like a IR or LDR sensor
PC speakers
RC battery
And you would need a voice model or a Solid State MP3 player.
 
That is an awesome idea! I'm going to have to get some of those in around the city here

I wish you luck, and will be following this thread closely!

Regards
 
Last edited:
As for what's required for the trash can. There is a powered speaker set and a battery. Note the hand is waived in front of a sensor just before it is installed in the can.

An ultrasonic ranging module https://www.electro-tech-online.com/custompdfs/2012/01/00597b.pdf comes to mind as well as a PIR motion detector sensor similar to one of those automatic faucets or paper towel dispensors. There are plenty of voice recorder/playback modules available to store the sound.
 
ranjitha.bm said:
hi can we use avr335 microcontroller for recording sound and playback???
Click to expand...

You can probably use one to control a sound recording module, but I don't believe it is powerful and/or fast enough to record/playback audio directly. You can usually buy very simple sound recorders for cheap--I'd recommend you try that route.
 
I suggest to google for the ISD25XX series sound recording chips.

They are available for recording times up to 240 seconds at a sampling rate of 8KHz.

If the built in amplifier won't suffice just add a power amplifier.

Boncuk
 
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