We're showing how to use KY-038 Sound Sensor using Arduino. You can control LED by clap with the help of Arduino and sound sensor.

A stereo VU meter built with an Arduino Nano and two NeoPixel LED rings.

An electronic keyboard with 7 piano keys, programmed to Middle B/A/G/F/E/D/C, and an 8th button used to access a menu of preset songs.

Play Super Mario Bros theme song on a piezo buzzer! It’s very simple and fun, and great as a beginner Arduino project.

Implements speech recognition and synthesis using an Arduino DUE.

For a digital Christmas, let your Arduino play songs with a piezo buzzer.

This project uses an Arduino, a drawn keyboard using lead pencil, a paper, and a speaker.

Simple FM radio based on RDA5807M module and Arduino Pro Mini 3.3V.

Easy and intuitive serial MP3 player. How to use this inexpensive device with your Arduino?

Controls a few LEDs using an Arduino and Speech Recognition.

My project is a button controlled siren with different LED transitions. You can change the siren sound with each press.

Translation of Morse code to text.

A discussion about digital sound synthesis.

Build a real, playable theremin music instrument. The theremin is played using two antennas without physical contact.

Record your voice using Arduino and ISD1820. This is a very simple project which takes less than 10 min and < 8$.

You’ll learn how to use the KY-037 sound detection sensor with Arduino. You can measure changes in the intensity of sound in an environment.

Discover how to make an I2S Theremin based on the new Arduino I2S library.

This is an easy how-to make a mini-piano using Arduino, including a preset song!

It detects a beat in a line level audio signal.

From Siri to Amazon's Alexa, we're slowly coming to terms with talking to machines. Build your own voice command device with this tutorial.

Using ultrasong PWM frequencies, the Arduino can now produce square tone() waves with 256 volume levels with nothing but a speaker!

Weekend project: Building a DIY piano learning & tutoring system.

In this video I explain how you can use an Arduino to make music using just a speaker and a resistor.

Playing polyphony 'happy birthday' theme on Arduino Nano with three buzzers on a single mini breadboard.