Detecting DTMF encoded digit by capturing mic input with an Arduino Uno.

The project is a prototype of a keyboar that has the learning of the braille symbols for letters and numbers as main goal.

This project can sense a sound level using mic, convert that sound into its corresponding dB, and then upload it to the cloud.

This project is using my MusicWithoutDelay library to play multiple sounds at the same time.

My project is a piano of four sounds that uses things that we find at home, bananas.