A stereo VU meter built with an Arduino Nano and two NeoPixel LED rings.
Project showcase by ericBcreator
Build a real, playable theremin music instrument. The theremin is played using two antennas without physical contact.
Project showcase by Urs Gaudenz
A simple Arduino Morse code machine with a button, LED, and a buzzer that translates your input into English while you are typing.
Project showcase by Vlada Krsmanovic
This trick teaches you how to use Micro SD/SD card for Arduino and speaker.
Project showcase by HUNMAN
A simple sound monitoring system using a microphone and a small amplifier with LM386.
Project showcase by Sorin Trimbitas
Library & sketches to control the TEA5767 FM radio module, using Arduino and an I2C LCD display. Release 02.00.00 is an arduino library.
Project showcase by diamond2016
Create a Bluetooth MIDI controller with an Arduino 101.
Project showcase by Don Coleman
Type Morse code on Arduino and display it on your computer's monitor.
Project showcase by brzi
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