On Tuesday 07 October 2014 06:55:39 bruno did opine And Gene did reply: > for logic analyzer, I use the Open Bench Logic sniffer. > Extremely capable: > > * Capture 50MHz+ waveforms on 32 channels > o 200Msps captures up to 100MHz waveforms on 16 channels > o 100Msps captures up to 50MHz waveforms on 32 channels > > > open source and very cheap: 50$ > > quick spec and price here: > http://www.seeedstudio.com/depot/Open-Workbench-Logic-Sniffer-p-612.htm > l > > much more information: > http://dangerousprototypes.com/docs/Open_Bench_Logic_Sniffer
Now that, if a suitable non-destructible field case can be had, would make learning about it very cheap. And once you've found its limits, you could go shopping for something that does do what you want to do because you would now know what you really need. To me thats a win-win. > On 10/7/14 12:31 PM, emc-users-requ...@lists.sourceforge.net wrote: > > Message: 5 Date: Tue, 7 Oct 2014 20:01:25 +1100 From: Erik > > Christiansen <dva...@internode.on.net> Subject: Re: [Emc-users] > > Oscilloscope + logic analyzer (PC based) To: > > emc-users@lists.sourceforge.net Message-ID: > > <20141007090124.GB2958@ratatosk> Content-Type: text/plain; > > > > charset=utf-8 On 07.10.14 05:14, Mark Wendt wrote: > >> >wrote: > >>> > >Hello! > >>> > > > >>> > >I was thinking that I should get some oscilloscope for basic > >>> > >tasks. A guy shared this particular item: > >>> > >http://www.ebay.com/itm/281433619616 > >>> > > > >>> > >I would appreciate any experience about this kind of device - PC > >>> > >based oscilloscope combined with logic analyzer. It is fine for > >>> > >me to have laptop around, when checking something, so I do not > >>> > >worry about "have to carry also laptop around" kind of trouble. > >>> > > > >>> > >Do things like these really work or should I avoid them? > >>> > > > >>> > >Thanks in advance! > >>> > > > >>> > >Viesturs > >> > > >> >Viesturs, > >> > > >> >I'm with Gene. For a bench top setup, where you don't have to lug > >> >that around, it'll probably be okay. Then there's the issue where > >> >the software runs under "The Virus That Masquerades As An > >> >Operating System," Windoze. I'd go with Gene's suggestion, or that > >> >one I posted a week or two ago. > > > > Viesturs, if the logic analyser is a requirement, then something like > > the Bitscope that I use might be an option. It is a cute little box > > which needs an ethernet connection to my PC to work and display. It > > runs on linux, so TVTMAAOS isn't a problem here. BUT, the standalone > > oscilloscope which Gene linked to in the oscilloscope thread just a > > few weeks ago is cheaper and much easier to get down the stairs and > > into the workshop. Just no logic analyser. > > > > I did use the 8 channel logic analyser to debug a bunch of control > > signals I was bit-banging out of an ATmega328p, when my home baked > > LCD driver did mysterious things. The two 100 MS/s analogue channels > > would have got me there eventually, I expect, but the logic analyser > > put me in the fast lane. (Note: The Hantek only has half that > > sampling rate, but it is cheaper.) > > > > With a laptop instead of my bulky desktop, the package would fit in a > > moderately capacious laptop bag. > > > > It is some years since I bought the Bitscope, and it was > > significantly dearer then than the current crop of naked boards. But > > it does come in a thick extruded Al case. > > > > If you do buy one of the small units, don't forget to buy at least > > one high voltage x10 probe, preferably two. The ADC front end on the > > Bitscope won't take more than 63v, but that's 630v with the x10 > > probe, if the probe spec is up to it. > > > > Erik > > ----------------------------------------------------------------------- > ------- Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer > Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS > Reports Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White > paper Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog > Analyzer > http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg. > clktrk _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS ------------------------------------------------------------------------------ Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
