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Dude! I saw your video. It's amazing. Hats off to the hard work man.Would you like to collaborate on any project?

In multiple prototyping's, I spend around 750$. I haven't yet uploaded the pics of the redesigned Tinku.

Don't worry mate, chill out, follow the instructions and just make it.

Thank you

Thank you

Thank you :-)

It is a good project but please change the "Title" of the project. It is misleading.

yeh man, me too.

where is AI in it?

thank you Absolutelyautomation for bringing this sensor in light. Actually, I am using this exact ultrasonic sensor since my original HCSR04 which I used in this project got damage due to rust and moisture. And yes it is a very good product.

What kind of "new" you expect?

Details on this project is mind blowing...awesome man

Thank you sam2017 for your suggestion.

Really cool project man...I like it

Dude, its a hack. Why anyone do a hack? because they can ;-). Think harder, you will definetly get some ideas, where you can use it.

Thanks man...appreciate it.

It's already uploaded. Download Greybox_final.ino, that's the code you need.

Thank you gabgra11

Make sure to keep pitches.h file and arduino code file in the same folder.

you don't have to just follow the instructions on the link given above anad arduino IDE will take care of it.

Thank you RamblinLane

you don't need another circuit. You just need a 8 ohm speaker and connect it to arduino and use "tone" library. Using tone library you can generate tones having min frequency of 31 Hz up to max frequency of 65535 Hz.Link - https://www.arduino.cc/en/Reference/ToneHere is another project for making keyboard using only arduino and speaker.Link - https://www.arduino.cc/en/Tutorial/ToneKeyboard?fr...

Thanks lynnekz. Sure you should experiment with the shape, size and look of NEKI, there is no limitation for creativity :-).

thanks brother..

thanks seamster

thanks brother..