555 Timer Function Generator

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Intro: 555 Timer Function Generator

Basic description shows how you can build simple square wave 1hz-1Mhz square. very useful for testing speakers, transformers, relays, transistors, IC, etc..

you can watch the movie in bellow link:

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    4 Discussions

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    john1a

    4 years ago on Introduction

    A 4-digit display (showin gthe current frequency) would be a great addition!

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    kag432

    4 years ago

    I would be interested to see if you ever modify it to have sine and square waves as well.

    1 reply
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    kag432kag432

    Reply 4 years ago

    Oops meant triangle not square.

    you can watch the movie in bellow link:

    http://www.youtube.com/watch?v=lbGLCDmq1Wo&list=PL-DYRTx2yMmnM4w-YxNGwRg30SBGrpSpF