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RE: FNIRSI Logic Analyzer Review

Jan Cumps — Mon, 02 Nov 2026 18:09:21 GMT

I still use an FPGA board, with a home-brew front end, as analyzer. Since 2014 [emoticon:3aaf978fa2e04146945d0eeaebd548f0].

If it is doable to trigger on one line, or on a data signature, and it can translate SPI, I2C, UART (and maybe CAN) I'd be happy.

RE: FNIRSI Logic Analyzer Review

DAB — Sun, 01 Nov 2026 19:28:56 GMT

Nice honest review.

On the surface it looks nice and has some interesting capabilities, but if the software is not there to support it. Then it is a pass.

RE: FNIRSI Logic Analyzer Review

kk99 — Sun, 01 Nov 2026 18:08:09 GMT

Sometimes, certain tools allow you to export data as CSV, which makes it possible to import it into software such as PulseView. I also saw an announcement for the Sipeed SLogic 32U3, but I'm not sure whether it's available for regular purchase yet. They use software similar to PulseView called SLogicView, and they have also recently started using ngscopeclient.

RE: FNIRSI Logic Analyzer Review

shabaz — Sun, 01 Nov 2026 17:09:42 GMT

Hi Michael,

Thanks for the review! The large memory is really tempting. I have a Kingst LA5016 which I like, but wish had a bit more memory.

I did see some project to create new software for the FNIRSI LA, but I cannot find it. I don't know how good/bad that might be.

Incidentally, I too was stuck requiring a particular decode, but in the end saved as a binary file, then requested AI to write Python code to decode it. Not as ideal of course.

One other thing.. I believe it could be possible to request AI to convert from binary file to Wireshark format, then a nicer view is available for browsing through the data.

Taking that to the next level, I hope someone takes the entire Wireshark project source code, strips it, and then uses it as a basis for decent logic analyzer software, since Wireshark has an excellent view of bytes and then the higher-layer decode. It is just missing the time-domain view. Anyway, that needs more thought, it is so far just a vague idea.

RE: Getting familiar with ngscopeclient

Qbit — Mon, 26 Oct 2026 08:09:26 GMT

Interesting overview on ngscopeclient! Thinking of trying it myself on the free time.

RE: Getting familiar with ngscopeclient

BigG — Sun, 25 Oct 2026 11:16:23 GMT

This looks to be a very interesting test platform to work off. Thanks for sharing.

I especially like this option: https://www.ngscopeclient.org/multiscope

RE: Getting familiar with ngscopeclient

shabaz — Sat, 24 Oct 2026 22:39:46 GMT

Interesting software!

How does it do the waveforms capture, does it use some SDK that each 'scope vendor supplies, to get the data quicker than (say) SCPI?

RE: DIY RF Fun: Build a HF 180-degree Hybrid Power Splitter!

shabaz — Fri, 23 Oct 2026 20:19:15 GMT

It has been bugging me, how to improve the impedance transformer. Here are two new attempts.

Both of these are on a slightly larger core, to give the windings a bit of space. I kept the same number of windings as before, although technically they could be reduced by a turn or two with the bigger core.

The other main difference is that the left side one has hexafilar winding : ) compared to the trifilar on the right. The left one has six 0.2mm wires, and the right has the same three 0.3mm wires as before. I wound both of these transformers with as many twists as I could easily manage, and tried to wind them evenly but it's not easy.

Place your bets, which one may be better or worse (or whether they will both be better or worse!).

RE: DIY RF Fun: Build a HF 180-degree Hybrid Power Splitter!

spinden — Fri, 23 Oct 2026 11:59:38 GMT

Awesome project and write-up! Maybe the mini circuits cost so much because they had to do similar tuning.

RE: PicoScope 7: Overall, I am Impressed. But, What’s Your Opinion?

shabaz — Mon, 12 Oct 2026 20:25:00 GMT

This was driving me nuts.. every time any config was changed, a pane would appear, and it would cause the main waveform view to resize, to fit the new pane.. and then again it would resize back to where it was, when clicking inside the main waveform area. Amazing how irritating that was, because you'd lose focus because the signals would visibly squish and then stretch back out.

The solution is easy but hidden... click on More, then click on the Settings icon (cog), then there's an "Over graph" option, and simply enable that. Now the new pane just floats on top without resizing things. And then, since one tends to want to view the left side of a waveform more closely than the right, it's best to select "Right" for the Option Panel Position, rather than the left side, so that the floating pane comes in from the right. Can't believe these things were not the default.

RE: Chauvin Arnoux CA6526 Insulation Tester Review

breeze11 — Wed, 07 Oct 2026 18:18:48 GMT

Hi, is there any chance that you still have the Chauvin Arnoux CA6526 or a picture of the backside of the lcd pcb? I am trying to fix one and the are parts missing. if you have pictures will be a big help. thanks

RE: Too Many Development Tools: How to Organize Them with Virtual Disks!

shabaz — Thu, 24 Sep 2026 14:46:53 GMT

Update: I have been using this technique for six months now. I have 17 virtual hard disks (VHDs) by now, and I use the VHDX Manager app to switch them on and off.

Today it stopped working due to a recent Windows update (I think it's something broken they need to fix) anyway, there is a workaround which is now in GitHub and all is working fine again.

Overall, based on the past 6 months experience, I now feel this is a very good solution at least for MS Windows users, to the problem of increased PC costs, for those willing to offload unused VHDs to external disks (spinning or SSD), or even just to manage apps.

RE: DIY Logic Analyzer and Protocol Tester – L.I.S.A.!

shortc — Sat, 29 Aug 2026 20:22:49 GMT

BOM don't work

RE: Before I Trust the Numbers - Comparing Three USB Testers (Tenma 72-13540, FNIRSI FB58, Keweisi KWS-10VA Before Characterizing the FNIRSI DPS-150

DAB — Wed, 26 Aug 2026 00:25:26 GMT

Very good post.

RE: Before I Trust the Numbers - Comparing Three USB Testers (Tenma 72-13540, FNIRSI FB58, Keweisi KWS-10VA Before Characterizing the FNIRSI DPS-150

Qbit — Tue, 25 Aug 2026 07:28:14 GMT

Excellent testing methodology! It’s easy to overlook meter burden and physical node differences during measurement, so using the dual-point fixture to verify the baseline first was a great approach. That LED test really proved the value of the FNB58 for low-current detection.