[sdiy] Logic Analyzer Advice

[Terry Bowman]

Naturally I forgot to send this reply to the entire list. Latest developments first...


I pulled the trigger on a DreamSourceLab DSLogic Plus on Amazon. The version with shielded wires and clips. 

What clenched the decision was that the software for it simply runs in macOS Mojave without any futzing around. Pulseview is DOA, instacrash on every OS version I've tried. Quarantine, codesign—you tell me. I don't have time to fool with it any further.

It still hasn't shipped after five days and the date has been pushed back. This model is gone from the site but it ships from Amazon so here's hoping one turns up.


Earlier...

> On May 18, 2025, at 5:31 AM, S Ridley <spridley1 at gmail.com <mailto:spridley1 at gmail.com>> wrote:
> 
> Why not get a $10 " ubiquitous 24MHz toy", download Sigrok and give it a try.  The learning curve isn't very steep and by playing with it for a while you'll have a better idea what you need and be able to make an informed choice of what to buy - or the "toy" might be good enough and you've saved a load of money.

Prices are going up. That's why I've gotten off the fence now. I've blown a lot of money in the last two months.


> I still use my 24MHz toy when I don't want to get the big guns out.  It'll decode MIDI and DMX, and good enough for most Arduino stuff etc.

I get what you're saying but I know I'm eventually going to need ≥10MHz of actual throughput to work on my counters. That's the other reason why Im focussing on something faster. If I need more bandwidth I can go down that path later.


> The biggest problem I had was installing it - until I realised they'd included a simple USB charging cable - 

Funny how there's no marking system for these cables with USB-Cs on them. You're supposed to buy a cable tester with a 1.8" OLED on it. Looks gorgeous and I can't read it from a foot away. The better model allows you to use you phone. 

Add to that the fact that they've been playing games with the USB protocols themselves for years. The nomenclature for USB 3.x has fundamentally changed at least twice and it's still incoherent. Plug color conventions for USB A and B helped but they've never really be enforced. USB C—what colors?

At least Thunderbolt cables have a lightning bolt on them.


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com <https://www.astarcloseup.com/>

"Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact."—Carl Sagan, Psychology Today, 1996



Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"There is no Main Street anymore except at Disneyland—and try and buy a gun there"—Hank Hill

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