Contact mics can be used to sense unusual sounds when attached to various surfaces.It also Produce sound when voltage is applied to it.With the help of a basic Pre-amp circuit […]
Playing a Melody Using the Tone() function in Arduino
In this Arduino tutorial we’ll learn how to execute the tone() command for producing musical notes. The configuration will play a tiny musical tone that could be familiar to you. […]
SMPS 2 x 50V 350W Circuit for Audio Power Amplifiers
This article will illustrate a simple procedure to devise an unregulated 50V switching SMPS symmetric power supply of 350W. This unit can be substituted with the standard audio amplifier power […]
How to Make Ultrasonic Directive Speaker Circuit
The post explains the construction of a ultrasonic directive speaker system also called parametric speaker which may be used to transmit an audio frequency over a targeted spot or zone […]
Class D Amplifier Circuit Using IC 555
A Class D amplifier also termed as a digital amplifier uses pulse width modulation or PWM technology for amplifying the fed small amplitude analogue music signal. Why a Class D […]
Simple FM Radio Circuit Using a Single Transistor
When it comes to making an FM receiver it’s always thought to be a complex design, however the one transistor simple FM receiver circuit explained here simply shows that it […]