The human ear can decipher the loudness of a sound. Also, given two sound signals of different intensities, it can distinguish the differences. But is there a device that can do the same? If you are ...

An RC boat sound module playing wav file from an SD card. 9 different files can be selected through a spare RC channel on the receiver (pwm signal) connected to the ...

I am still receiving many requests to post an Arduino Sound Machine project. I think now is the right time to prepare a primer for beginners. First, keep your expectations low, as I don’t have ...

[](https://youtu.be/CbovaHqvdsM) [YouTube video](https://youtu.be/CbovaHqvdsM) KY-038 (KY-037) Sound ...