Content for LM386

TRS-80 Model 1 on a PIC32

“TRS-80 Model I emulated on a PIC32MX processor. It provides VGA video and PS/2 keyboard so as to be usable with commonly available hardware to-date (well, PS/2 keyboards are becoming rare, but it works with a USB …

Door Alarm With Attiny

“Hi everyone, in this page i’m going to show you how i made a simple door alarm that is compact,loud and battery powered. There is a full list of what you need for this project, i savaged most …

Arduino TTS ( Text to Speech )

“Hi Guys today in this tutorial I will teach you how to make your Arduino talk without any external module. Here we can use this in numerous projects like speaking thermometer, Robots and many more. So without much wasting time …

How to Make a Frequency Audio Visualizer for a Costume (Arduino Project)

“In this Instuctable, I will provide tips, plans, and codes to make an exciting audio visualizer built into a fiberglassed foam suit. Along the way I will share helpful steps and extra codes that some wanting to implement arduino FFT …

Tales From the Chip: LM386 Audio Amplifier

“Audio is one of the most entertaining, time-consuming and (eventually) wallet-draining ways of learning about and falling in love with electronics. Reproducing, recording and amplifying audio gets you up close and personal with the electrons rocketing through your circuits. Which …

DIY Simple FM Transmitter Circuit

“Building an FM Transmitter and broadcasting our own signals on the air is really a fun project to do. Especially, with this circuit since it does not require you to wound your own inductor or use a trimmer and spend …

Audio Amplifier Circuit on PCB Using LM386

“In this project, we tend to area unit getting to create a Headphone/Audio electronic equipment by exploitation self-designed PCB. This project is especially designed for amplifying the audio signal from the headphones however we will additionally use it for …

Build an EMG Audio Amplifier! (Electromyography)

“Whenever your body needs to make a movement, the nervous system sends out tiny electrical signals that control your muscles. The technique of electromyography (EMG) allows us to amplify and measure these electrical signals. In addition to being a useful …

DIY Analog Alarm System with a TI LM386 Power Amp

“Although it was originally designed to make sure Christmas presents stay under the tree, this device will make a loud and annoying sound when somebody moves an object off of the pad.”

Project  FM radio

FM radio

“Build a great sounding FM radio with a cool display using an Arduino Nano and the Sparkfun Si4703 FM tuner breakout. As a kid, I used to build AM radios but never quite managed to build FM radios. They were …