Do anyone want a special doorbell? not just make buzzing sound but this one plays small music tune as well! The Simple Musical Doorbell Circuit using the UM66 IC is very easy to build and requires only a few components,. However, the main part of this circuit is a special chip called the UM66T, which […]
Audio Circuits
Audio Mixer Circuit using a Single Transistor
To begin with, this Audio Mixer Circuit using a Single Transistor is an small and easy circuit which mixes three sounds; it uses only one transistor which can mix two or three sounds into one. Also, it is good for beginners who want to learn about sound and electronics Circuit Working: Parts List: Components Values […]
Echo Effect Generator Circuit
This Echo Effect Generator Circuit tell how to make circuit for echo sound in music. Here, transistors like BC547 create an echo effect that makes the music sound as if it is playing in a large space. What is an Echo Effect Generator Circuit: To make echo sound in audio we have used special electric […]
Simple Universal Signal Generator Circuit
If we want to make sound generator circuit for cheap? then this post for Simple Universal Signal Generator Circuit show easy way to build using transistors. These type of circuits are also good for: Also, we can make this circuit at a very low cost. What is a Universal Signal Generator Circuit: Universal Signal Generator […]
Noise Limiter Circuit
Did anyone tried to listen a radio but heard too much noise? which was hard to hear, right? So our this problem brings a solution through this Noise Limiter Circuit which tell us how to make small circuit which helps remove noise and makes radio sound better. Also, the circuit uses transistors like tiny switch […]
Class A Amplifier Circuit
This article talk about Class A amplifier which is good for small speaker or headphone, also amplifier make sound more loud. Further, this Class A Amplifier Circuit uses near 20 milliamp power so it good for low power thing and we can show in this post how to make it using Q1 and Q2 transistor […]





