This article is about small Audio Oscillator Organ Circuit, we can hold in our hand. It plays simple notes and make funny tones. It uses very simple parts and shows how oscillator make sound. And also shows how amplifier make sound big. It works on low voltage which is safe for kids. It gives a […]
Audio Circuits
Christmas Music Box Circuit using IC UM66
This is fun project for small Christmas Music Box Circuit using IC UM66. UM66 chip already has melody inside. When power ON, it plays Christmas notes. It is good for greeting cards, toys and mini gifts. Circuit Working: Parts List: Part Name Value Quantity Resistor 4.7k 1/4 watt 1 Capacitor Electrolytic 1uF 25V 1 Semiconductors […]
Jingle Bell Song Circuit with Arduino and Piezo Buzzer
Christmas time feels more fun when music plays. This project plays the Jingle Bells tune using Arduino Uno. With Arduino and small buzzer, we can make Jingle Bells tune at home. Very easy circuit and with very happy sound. Good project for beginners and kids. Arduino Coding: Code Explanation: Circuit Working: Parts List: Item Quantity […]
Chirping Sound Buzzer Circuit
This is a simple circuit that makes a normal buzzer produce a chirping or tweeting sound. It uses a 9V battery, two push buttons, one capacitor and a buzzer. No microcontroller or IC is needed. It works on charging and discharging of capacitor. This Chirping Sound Buzzer Circuit is good for beginners to learn. Circuit […]
Make Sound with Arduino using Buzzer Circuit
This project shows how to Make Sound with Arduino using Buzzer Circuit. Buzzer makes sound when we send signal from Arduino pin. We can use it for alarms, alerts or simple tones. Two versions are used here one with components and one with buzzer module. Arduino Coding: Code Explanation: Parts List: Component Name Quantity Resistor […]
Sound And Light Metronome Circuit using Transistors
Music needs rhythm. A metronome helps us keep that rhythm perfect. This small project for Sound And Light Metronome Circuit using Transistors turns light into beat. When light changes then sound speed also change. It is simple, fun and easy to build. What is Metronome: Metronome is small device that gives steady beat. It makes […]