Here in this specific tutorial I write a Arduino code which is implemented on a speaker and a sound came out from it, speaker may be of any ohm that’s not a problem.

Arduino-PlayToneMelodyString Make music with an arduino and speaker. These functions turn a string into a song. Great for kids, schools, and makerspace activities. My son salvaged a junk speaker and ...

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute (RPM). You don’t need much… ...

A novel Internet of Things (IoT) -enabled system is presented to improve the usability and accessibility of audio playback for those with visual impairments. To enable a simple and hands-free ...