DIY Analog to Digital Oscilloscope for under $10 - Fuelly Forums

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Old 03-24-2009, 09:27 AM   #1
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DIY Analog to Digital Oscilloscope for under $10

Free software too.

http://scopeonpc.googlepages.com/scopeonpc

I'll be building one this weekend. Should be cool!

Granted, it isn't a 100MHz hardcore scope, but if you want one of those you'll need to spend a few 100 more dollars, and that's for a used one.

40kHz in windows and 100kHz in DOS should be adequate for most DIY.
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Old 03-24-2009, 09:37 AM   #2
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http://www.semifluid.com/?p=24

Little more involved but you can make a 1MHz scope for just a few more bucks and some additional knowledge.

I may modify this circuit to work with some microcontrollers that I already have.
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Old 03-24-2009, 09:38 AM   #3
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Let us know it goes! Very exciting.
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Old 03-24-2009, 10:45 AM   #4
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Originally Posted by dkjones96 View Post
I may modify this circuit to work with some microcontrollers that I already have.
What microcontroller are you considering? My experience (limited) is with the Atmel AVR line. I got a programmer and some chips for free.
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Main Entry: co de pen dence - see codependency
co de pen den cy
Pronunciation: \kō-di-ˈpen-dən(t)-sē\
Function: noun
Date: 1979

: a psychological condition or a relationship in which a person is controlled or manipulated by another who is affected with a pathological condition (as an addiction to alcohol or heroin) ; broadly : dependence on the needs of or control by another
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Old 04-09-2009, 02:12 PM   #5
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I plan on using some Freescale chips I have. If anyone is interested I plan to make some PBCs for that unit that will be standard parallel interface and then I want to build the faster MC based unit with USB support.
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Old 04-09-2009, 04:02 PM   #6
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I'd be interested in the USB one! Any idea about what it'd run?
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Main Entry: co de pen dence - see codependency
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Pronunciation: \kō-di-ˈpen-dən(t)-sē\
Function: noun
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: a psychological condition or a relationship in which a person is controlled or manipulated by another who is affected with a pathological condition (as an addiction to alcohol or heroin) ; broadly : dependence on the needs of or control by another
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