I used a Salae-16 back in the day all the time with a RIGOL 2 channel
oscope and found that allowed me to solve most any kind of problem I
would face as an embedded C developer. The Salae software was nice then
so I would anticipate it must be pretty awesome now.
At home I use a sigrok board (https://sigrok.org/wiki/Noname_LHT00SU1)
which for my hobby projects work great with pulseview. I just run a
Linux AppImage version on a Ubuntu 18.04 machine.
I have a 2 channel handheld oscope which is fine for the low frequency
analog signals I deal with or checking digital signals that are being
munged somehow.
I sometimes get close to ordering a RIGOL or Siglent oscope when I'm
stuck on a problem and my oscope doesn't seem up to the task but I have
always figured it out before going that far!
I like the cost of the combo USB oscope/logic analyzer but find I like
having a physical oscope so I can quickly tweak the settings without
having to mess with a mouse/keyboard. I'm the same way with cars - I
want a big wall of switches like an Apollo module instead of a
touchscreen I can't find a button by feel on. :)
Michael Fulbright
On 2/23/21 2:15 AM, Jon Wolfe via TriEmbed wrote:
If you like the Salae-8, you’d like the Analog Discovery. They are
very comparable. The original Salae 8 is discontinued, and they now
have the “Pro 8” and “Pro 16”, which are considerably more
($700-$1000). I used the Salae software for a little while a few years
ago. From my [a little outdated ] experience, though, the Salea
software is a bit more slick and polished, but the AD software &
hardware has more features (and I think higher bandwidth, I might be
wrong on that though), with a lower price (also AD has a student
discount price, though both the student and non student prices seem to
have gone up a bit from when I bought mine, the student price is now
the same as the non student price I paid a few years ago) .
If you really want a decent LA for rock bottom $, you can get
work-alike devices of the older Salea hardware on ebay for $20-$50,
with very similar specs, and most of them work with Sigrok open source
software. I have one of those I think I picked up even cheaper, like
$10, if I didn’t mind waiting 2 months for shipping from Shenzhen. I
used that for a little while as my “day to day” logic analyzer to
reduce risk of frying my more expensive scopes by doing something
dumb. Then I realized that was kind of silly.
I probably have half a dozen scopes and logic analyzers, maybe more,
none of them are “pro” level, all entry level, or hobbyist, and they
all have a lot of overlaps in functionality, but most of them have one
or two unique features that once in a while sets it apart as the right
one to use for a certain circumstance.
*From: *Charles J. Lord, PE via TriEmbed <mailto:[email protected]>
*Sent: *Monday, February 22, 2021 8:35 PM
*Cc: *Triangle Embedded Computing Discussion
<mailto:[email protected]>
*Subject: *Re: [TriEmbed] MSO may grow on you Re: Budget minded
oscilloscope
While everyone is hopping on the discussion, I also would plug my
Salae 8-channel. The software continues to improve for it and it does
all of the serial/i2c/CAN/etc protocols that I have needed (so far). I
keep saying I will get a digital scope when my Tek 475 dies, but I
think it is going to live forever LOL.
Charles
On Mon, Feb 22, 2021 at 9:23 AM Brian via TriEmbed
<[email protected] <mailto:[email protected]>> wrote:
Realizing that it's not necessarily what one might put in the
"budget-friendly" range, I thought I'd plug both Pico Technology and
Saleae. I have a 4-channel USB DSO PicoScope (3000 series,
~$600-$2400
depending on options) and a 16-channel logic analyzer from Saleae (an
older, now discontinued digital-only model). They both work very
well,
plus both offer various levels of API/SDK availability if you're
keen on
writing your own logging or analysis code.
Saleae's current 16-channel analyzers are 50 MS/s MSOs, but the one I
have is not, so I can't speak to the quality of analog measurements.
The PicoScope 3000 series is 1 GS/s.
PicoScope 3000-series scopes are available in MSO form.
Both are USB devices that depend on a host PC for control and display.
$0.02,
-Brian
On 2/22/21 9:00 AM, John Vaughters via TriEmbed wrote:
> Pete,
>
> Which Rigol model do you own?
>
> I very much agree with you. I don't want to plop $400-500 down
just to get a scope, then realize I really needed to
plop$1000-1500 to get what I needed and now had waste $400-500.
>
> John Vaughters
>
>
>
>
>
>
> On Sunday, February 21, 2021, 9:15:14 PM EST, Pete Soper via
TriEmbed <[email protected] <mailto:[email protected]>> wrote:
>
>
>
>
>
> If you think you might be starting to play a long game consider
getting
> a "mixed signal" 'scope that can capture, trigger on, and decode
a set
> of digital signals as well as providing analog measurements, and
> consider I2C/SPI/UART/USART decoding essential, if only as an option
> (i.e. don't drop the money for something that can't eventually
decode
> these dead common serial modes unless you know you're only
dipping a toe
> in). I went a long time with my Rigol without an "unavoidable
use case"
> for logic signals involved with debugging new hardware, but when
those
> use cases finally came around it was nice to have the capability
and not
> be looking around for another piece of equipment, most
especially when
> you need to see what's going on with several signals at once. In
about
> seven years I think I've topped out with two analog and seven or
eight
> digital signals with one set of gadgets. The integration of
digital and
> analog is a real plus, for instance where you need to jump around
> between figuring out a noise issue vs something basically wrong
with a
> serial line like with I2C. And of course you can correlate
analog such
> as with A/D converters with digital signals feeding them to sort
out issues.
>
> -Pete
>
>
>
>
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--
Charles J. Lord, PE, HKN
President, Blue Ridge Advanced Design and Automation
Consultants Network Chair, IEEE WNC Section
Chair, IEEE NC Council
IEEE SoutheastCon Steering Committee
Member, IEEE-USA AICNCC
Co-Chair, IEEE SoutheastCon 2020
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