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Posts Tagged ‘LM386’

Twin ‘T’ CW (Morse) Practice Oscillator

Friday, July 20th, 2018

  Steve Smith (G0TDJ) writes, "I successfully completed the Twin ‘T’ Oscillator, original by Mike Maynard – K4ICY. It’s a great circuit and sounds really good. Much better than a raspy 555 version. Mike has been kind enough to put a link to my project on his website." More details...

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How to make a simple 1 watt audio amplifier (LM386 based)

Friday, January 20th, 2017

A tutorial on making an LM386 audio amplifier circuit from Afrotechmods: A tutorial on how to use the popular LM386 class AB audio amplifier IC to build a simple mono 1 watt audio amplifier. It costs less than $3 in parts! There is also a brief discussion of how to...

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3 tone siren project

Monday, November 24th, 2014

Rajkumar Sharma over at Electronics Lab published a new build, a 3 tone siren based on UM3561 IC: 3 Tone Siren project produces Gun Sound, Police Siren and Ambulance Siren effects from a speaker.  This project is built around UM3561 IC driving an LM386 audio amplifier to give that extra punch.

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