Make Tone Generator with Arduino

This project is tone generator. We can generate square wawe sound with arduino

If arduino has DAC we can generate sawtooth, triangle and sine wawe.
For generate square wawe ,we can use tone() function.More information about tone() function:
https://www.arduino.cc/en/Reference/Tone

Codes and schematics in attachment

TONE_GENERATOR.ino (910 Bytes)