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Author Topic: 2 Channel PC Computer Digital mini USB Oscilloscope $33.80 AUD  (Read 128 times)

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Offline JRK1971

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2 Channel PC Computer Digital mini USB Oscilloscope $33.80 AUD
« on: February 24, 2012, 03:35:00 PM »
Guys,
Saw this on Ebay
http://www.ebay.com.au/itm/2-Channel-PC-Computer-Digital-mini-USB-Oscilloscope-/290553329132?pt=UK_Computing_CablesConnectors_RL&hash=item43a653f5ec

Looks like a nice cheap solution for guys wanting to see what is going wrong with their electronics without having to fork out for a real  CRO or Digital Oscilloscope. I haven't got one, i've got an old CRO but I'd give this a go if I didn't.
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Offline Homepin

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Re: 2 Channel PC Computer Digital mini USB Oscilloscope $33.80 AUD
« Reply #1 on: February 24, 2012, 04:48:45 PM »
Measurable frequency: 0Hz -----3kHz

There is your problem (and the same thing is the problem with most of these PC based add-ons).

An upper limit of 3Khz is FAR too low to be of much use.

In fact a logic probe would be more useful!
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Offline JRK1971

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Re: 2 Channel PC Computer Digital mini USB Oscilloscope $33.80 AUD
« Reply #2 on: February 24, 2012, 06:56:31 PM »
DOH should have checked the info more carefully. Thanks for correcting me. I didn't even consider speed, my CRO is probably 30 years old, I assumed the PC would have creamed it. Oh well :tumble:
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