LM386

Dog-Barking-Security-Alarm-using-Arduino Dog Barking Security Alarm using Arduino, PIR Sensor and Dog Barking Sound Module

The need for home security alarm systems nowadays is a serious demand. As the number of crimes is increasing every day, there…

ESP32 Audio Player using LM386 IC DIY ESP32 Based Audio Player

DIY Music players are fun to build, and we previously built a few music players using Arduino and a dedicated MP3 module. Now…

Arduino Based FM Radio using RDA5807 Arduino Based FM Radio using RDA5807

Today almost everyone uses their mobile phones to listen to music, news, podcasts, etc. But not long ago we were all depending…

Arduino based Text to Speech (TTS) Converter Arduino based Text to Speech (TTS) Converter

Text-to-speech or TTS system converts normal text into Speech. This tech enables the system to speak out the text in a human…

Simple Microphone to Speaker Circuit Simple Microphone to Speaker Amplifier Circuit

You must have seen someone speaking on the MIC and the amplified voice coming from the speaker, how this is possible? Is there…

Audio Voice-over circuit using LM386 Audio Voice-over circuit using LM386

At many places, like public speeches or some musical program, where loudspeaker is used, we hear music and voice from the same…

IR based Audio Transmitter and Receiver Circuit IR based Wireless Audio Transmitter and Receiver Circuit

Infrared is the most commonly used wireless data transfer medium for limited range, and we already covered about simple IR…

Arduino Based Guitar Tuner Arduino Based Guitar Tuner

Hi guys, during the last few weeks, I’ve been working on reconnecting with my love for the guitar. Playing the box guitar was…

Simple Two Way Intercom Circuit Simple Two Way Intercom Circuit

Most of the schools and offices have intercoms to communicate with people inside a building or a particular campus. These are…

Headphone/Audio Amplifier Circuit on PCB using LM386 Headphone/Audio Amplifier Circuit on PCB using LM386

In this project, we are going to make a Headphone/Audio Amplifier by using self-designed PCB. This project is mainly designed…