If you don’t own a cat, hearing the sound of one meowing from somewhere in the house probably comes as quite a shock. The Cat Prank box built by [Reuben] promises to deliver such hilarity with aplomb.

Put your MP3 file in the same folder as this HTML file. Then copy one of these lines and change both the id and src. const SERVICE_UUID = "19b10000-e8f2-537e-4f6c-d104768a1214"; const ...

Abstract: Biomimetics is an indispensable discipline in modern sensing technology and has been the source of inspiration for many significant inventions. Building upon the foundation of MEMS ...

In contrast, passive buzzers require a voltage waveform—the waveform frequency will corresopndingly vibrate the piezoelectric material to make sound. This is the waveform that our Arduino will produce ...