# Latest **URL:** https://discuss.saleae.com/latest.md?page=4 [Latest](https://discuss.saleae.com/latest.md) · [Categories](https://discuss.saleae.com/categories.md) **Page:** 5 --- ## [Device will not connect on NixOS](https://discuss.saleae.com/t/device-will-not-connect-on-nixos/1942)
**Author:** [@seanybaggins1](https://discuss.saleae.com/u/seanybaggins1)\ **Replies:** 5\ **Last updated:** [January 31, 2026, 9:59pm UTC](https://discuss.saleae.com/t/device-will-not-connect-on-nixos/1942 "2026-01-31T21:59:43Z")
When starting the application, I get an error. See following screenshot. This directory does exist. It is however a symbolic link. See following screenshot. Here is my udev rule $ cat /etc/udev/rules.d/99-local.ru… --- ## [High disk usage using automation API and analyzers](https://discuss.saleae.com/t/high-disk-usage-using-automation-api-and-analyzers/3613)
**Author:** [@louled\_97](https://discuss.saleae.com/u/louled_97)\ **Replies:** 5\ **Last updated:** [January 30, 2026, 6:29pm UTC](https://discuss.saleae.com/t/high-disk-usage-using-automation-api-and-analyzers/3613 "2026-01-30T18:29:34Z")
I ran into the issue that the automation API functions “add\_analyzer” and “add\_high\_level\_analyzer” only returns when they are finished, so I can only have one running while the capture is in progress. Also, the API lack… --- ## [Trigger on multiple bytes](https://discuss.saleae.com/t/trigger-on-multiple-bytes/3619)
**Author:** [@daniel01liden](https://discuss.saleae.com/u/daniel01liden)\ **Replies:** 1\ **Last updated:** [January 23, 2026, 2:05am UTC](https://discuss.saleae.com/t/trigger-on-multiple-bytes/3619 "2026-01-23T02:05:27Z")
Hi. Looking at triggers, escpecially on protocol. I can without any problems have one byte as query, in this example 0x04 and then I see a trigger when 0x04 is read. Now I would like to have two bytes trigger, f… --- ## [Failed to decode I2C data](https://discuss.saleae.com/t/failed-to-decode-i2c-data/3616)
**Author:** [@\_No\_No\_No](https://discuss.saleae.com/u/_No_No_No)\ **Replies:** 2\ **Last updated:** [January 22, 2026, 12:17am UTC](https://discuss.saleae.com/t/failed-to-decode-i2c-data/3616 "2026-01-22T00:17:31Z")
Hi :). I’m trying to decode I2C data, but it seems that Logic Salee isn’t decoding it correctly. The results are messy and inconsistent. Is there a solution for this? Thank you ;). --- ## [Can't start a new session in logic with logic pro 16](https://discuss.saleae.com/t/cant-start-a-new-session-in-logic-with-logic-pro-16/3595)
**Author:** [@samforaccreg](https://discuss.saleae.com/u/samforaccreg)\ **Replies:** 6\ **Last updated:** [January 19, 2026, 10:11am UTC](https://discuss.saleae.com/t/cant-start-a-new-session-in-logic-with-logic-pro-16/3595 "2026-01-19T10:11:06Z")
I have a problem with starting new session in Logic 2 (tested on 2.4.40 and 2.4.40) using logic pro 16. What I did: connected the device via USB looked in devices dispatcher to make sure it connected opened L… --- ## [Can not find data trimming functions](https://discuss.saleae.com/t/can-not-find-data-trimming-functions/3609)
**Author:** [@juozas.simanavicius](https://discuss.saleae.com/u/juozas.simanavicius)\ **Replies:** 2\ **Last updated:** [January 19, 2026, 7:43am UTC](https://discuss.saleae.com/t/can-not-find-data-trimming-functions/3609 "2026-01-19T07:43:17Z")
Hi, I’m using Logic 2.4.40 on Windows11 with MSO device. I’m trying to trim my captured data, but there’s no option in context menu when I right click. Am I missing something? The original problem I’m trying to solve is… --- ## [Modbus reading](https://discuss.saleae.com/t/modbus-reading/3610)
**Author:** [@giampieroferrotti](https://discuss.saleae.com/u/giampieroferrotti)\ **Replies:** 1\ **Last updated:** [January 17, 2026, 12:17am UTC](https://discuss.saleae.com/t/modbus-reading/3610 "2026-01-17T00:17:10Z")
I needs read code modbus but I didn’t understand how to do it, whereas in async serial I managed to read the values sent and received by the Modbus server and client. --- ## [Trigger when signal stays high](https://discuss.saleae.com/t/trigger-when-signal-stays-high/3607)
**Author:** [@Rob](https://discuss.saleae.com/u/Rob)\ **Replies:** 1\ **Last updated:** [January 11, 2026, 11:00pm UTC](https://discuss.saleae.com/t/trigger-when-signal-stays-high/3607 "2026-01-11T23:00:57Z")
I’m using Logic 2 v2.4.40. I want to trigger when a signal stops and stays high. It seems like this should be easy, but I can’t figure out how. Suggestions? Thanks, -Rob --- ## [MSO raw extraction other function limitation](https://discuss.saleae.com/t/mso-raw-extraction-other-function-limitation/3592)
**Author:** [@sooseok.sim1](https://discuss.saleae.com/u/sooseok.sim1)\ **Replies:** 2\ **Last updated:** [January 9, 2026, 9:43am UTC](https://discuss.saleae.com/t/mso-raw-extraction-other-function-limitation/3592 "2026-01-09T09:43:52Z")
Hi I used previous saleae Pro 2. Now I buyed the new MSO. but “Delete Data(befor/after/off screen” is not supported. "Export Raw Data" Time Range is not supported for Timiming Markers(ony "All time" and Visible Scr… --- ## [Memory buffer changes in the last release?](https://discuss.saleae.com/t/memory-buffer-changes-in-the-last-release/3602)
**Author:** [@KurtE](https://discuss.saleae.com/u/KurtE)\ **Replies:** 3\ **Last updated:** [January 7, 2026, 7:42pm UTC](https://discuss.saleae.com/t/memory-buffer-changes-in-the-last-release/3602 "2026-01-07T19:42:54Z")
Wondering, last week, I was doing some captures of SPI data, and kept loosing the data at the start of the capture? I was trying out about 6 different approaches on how to use Zephyr on an Arduino UNO Q to solidly fill … --- ## [Logic MSO USB Permissions \[Linux\]](https://discuss.saleae.com/t/logic-mso-usb-permissions-linux/3601)
**Author:** [@connor.nelson](https://discuss.saleae.com/u/connor.nelson)\ **Replies:** 2\ **Last updated:** [January 6, 2026, 5:35pm UTC](https://discuss.saleae.com/t/logic-mso-usb-permissions-linux/3601 "2026-01-06T17:35:49Z")
Hello all, I am trying to get my Logic MSO up and running for some automation scripts following this guide: docs.saleae.com Installation — Saleae MSO API Documentation It seems I have set up my udev rules and user gro… --- ## [API for real time logging](https://discuss.saleae.com/t/api-for-real-time-logging/3591)
**Author:** [@trampas](https://discuss.saleae.com/u/trampas)\ **Replies:** 3\ **Last updated:** [December 24, 2025, 10:39pm UTC](https://discuss.saleae.com/t/api-for-real-time-logging/3591 "2025-12-24T22:39:16Z")
I have some python test scripts which run tests on DUT. As part of this test script we need to monitor some GPIO pins, UART bus and I2C bus. Basically we want “real time” monitoring of these buses such that when data c… --- ## [Lot's of Disconnect Messages and Sessions Appearing](https://discuss.saleae.com/t/lots-of-disconnect-messages-and-sessions-appearing/3588)
**Author:** [@wallyware](https://discuss.saleae.com/u/wallyware)\ **Replies:** 2\ **Last updated:** [December 24, 2025, 3:01am UTC](https://discuss.saleae.com/t/lots-of-disconnect-messages-and-sessions-appearing/3588 "2025-12-24T03:01:56Z")
I love my Logic Pro 16, but when I wake my newly built PC in the morning, the Logic 2 screen (2.4.40) shows dozens of new session tabs along with “Logic Pro 16 Disconnected” messages. Is it possible this is being caused … --- ## [AFE gain with fixed full scale range setting](https://discuss.saleae.com/t/afe-gain-with-fixed-full-scale-range-setting/3584)
**Author:** [@bryce.wilkins](https://discuss.saleae.com/u/bryce.wilkins)\ **Replies:** 14\ **Last updated:** [December 22, 2025, 8:39pm UTC](https://discuss.saleae.com/t/afe-gain-with-fixed-full-scale-range-setting/3584 "2025-12-22T20:39:19Z")
Hi! I’m getting acquainted with the Logic MSO – exciting kit! I’ve used many bench top ‘scopes; this is my first PC-based oscilloscope! Looking through the datasheet I wanted to understand more clearly the relationship… --- ## [Runing high level analyzer python script from saved binary](https://discuss.saleae.com/t/runing-high-level-analyzer-python-script-from-saved-binary/3587)
**Author:** [@wroberts92780](https://discuss.saleae.com/u/wroberts92780)\ **Replies:** 1\ **Last updated:** [December 19, 2025, 9:32pm UTC](https://discuss.saleae.com/t/runing-high-level-analyzer-python-script-from-saved-binary/3587 "2025-12-19T21:32:05Z")
even though the “Export Table” under Analyzers in Logic, saves the string output from a high level analyzer, i thought it might be useful to run the python high level analyzer from the saved bin data. This is at https:/… --- ## [USB 3 connection not working](https://discuss.saleae.com/t/usb-3-connection-not-working/3528)
**Author:** [@x-x-xx-x-x](https://discuss.saleae.com/u/x-x-xx-x-x)\ **Replies:** 9\ **Last updated:** [December 18, 2025, 11:53am UTC](https://discuss.saleae.com/t/usb-3-connection-not-working/3528 "2025-12-18T11:53:39Z")
Hi, is the Saleae (Saleae Logic Pro 16) not capable of running on USB 3 only? I need to isolated it, but with a USB 3 fiber optics cable, the Saleae is not recognized. best regards --- ## [How hot should I expect the new Logic MSO to get?](https://discuss.saleae.com/t/how-hot-should-i-expect-the-new-logic-mso-to-get/3585)
**Author:** [@rickwilsonconsulting](https://discuss.saleae.com/u/rickwilsonconsulting)\ **Replies:** 4\ **Last updated:** [December 17, 2025, 6:15pm UTC](https://discuss.saleae.com/t/how-hot-should-i-expect-the-new-logic-mso-to-get/3585 "2025-12-17T18:15:34Z")
I just got a new Logic MSO and I noticed that when I use it for only 15 minutes or so, it becomes hot to the touch. How hot should I expect this to become, or how hot is too hot and I should return it? --- ## [Logic 2.4.40](https://discuss.saleae.com/t/logic-2-4-40/3586)
**Author:** [@markgarrison](https://discuss.saleae.com/u/markgarrison)\ **Replies:** 0\ **Last updated:** [December 17, 2025, 2:00am UTC](https://discuss.saleae.com/t/logic-2-4-40/3586 "2025-12-17T02:00:16Z")
2.4.40 Download Links Windows Linux MacOS \[x86\_64\] MacOS \[Apple Silicon\] 2.4.40 Welcome to the 2.4.40 release of Logic! This release primarily focuses on fixing issues. Note for MacOS users - we have changed the appli… --- ## [Electron systemwide lag issue on macOS Tahoe](https://discuss.saleae.com/t/electron-systemwide-lag-issue-on-macos-tahoe/3544)
**Author:** [@david2](https://discuss.saleae.com/u/david2)\ **Replies:** 5\ **Last updated:** [December 12, 2025, 7:07pm UTC](https://discuss.saleae.com/t/electron-systemwide-lag-issue-on-macos-tahoe/3544 "2025-12-12T19:07:09Z")
Due to the use of a private Apple API, apps with older versions of Electron cause systemwide lag on macOS Tahoe. Logic 2.4.39 appears to still be built with Electron 27.1.0, which has this bug. The problem code was intro… --- ## [Unable to load exported binary data on Mac (overflow error)](https://discuss.saleae.com/t/unable-to-load-exported-binary-data-on-mac-overflow-error/3579)
**Author:** [@jcdoll1](https://discuss.saleae.com/u/jcdoll1)\ **Replies:** 5\ **Last updated:** [December 11, 2025, 11:08pm UTC](https://discuss.saleae.com/t/unable-to-load-exported-binary-data-on-mac-overflow-error/3579 "2025-12-11T23:08:22Z")
Hi - I am trying to load exported binary data via the python API for the first time and it throws an overflow error. Data generation: run triggered capture for a few seconds (125 Msps, 2 channels but affects any capt… --- ## [I2C emulator saleae logic](https://discuss.saleae.com/t/i2c-emulator-saleae-logic/3582)
**Author:** [@live1210](https://discuss.saleae.com/u/live1210)\ **Replies:** 1\ **Last updated:** [December 10, 2025, 8:49pm UTC](https://discuss.saleae.com/t/i2c-emulator-saleae-logic/3582 "2025-12-10T20:49:42Z")
Hi Is it possible to make it works as I2C master? BR --- ## [High-Level Analyzer timestamp rules make it impossible to buffer & parse interleaved multi-packet messages](https://discuss.saleae.com/t/high-level-analyzer-timestamp-rules-make-it-impossible-to-buffer-parse-interleaved-multi-packet-messages/3573)
**Author:** [@alex.achso](https://discuss.saleae.com/u/alex.achso)\ **Replies:** 6\ **Last updated:** [December 8, 2025, 11:11pm UTC](https://discuss.saleae.com/t/high-level-analyzer-timestamp-rules-make-it-impossible-to-buffer-parse-interleaved-multi-packet-messages/3573 "2025-12-08T23:11:52Z")
Description I’m writing a High-Level Analyzer for a CAN-based protocol (Varex) where a single logical message can be split across multiple packets, and packets from different messages can be interleaved on the bus. The… --- ## [RNDIS parser](https://discuss.saleae.com/t/rndis-parser/3578)
**Author:** [@jonas.a.axelsson](https://discuss.saleae.com/u/jonas.a.axelsson)\ **Replies:** 1\ **Last updated:** [December 6, 2025, 3:02am UTC](https://discuss.saleae.com/t/rndis-parser/3578 "2025-12-06T03:02:47Z")
Hi, I’m working with a device (STM32) that uses RNDIS to communicate with a PC. Is there any parser script available that can parse the RNDIS protocol over USB? What I do know is that I export data to a .csv file and m… --- ## [Python API, wanting setup of up timed capture but waiting to trigger](https://discuss.saleae.com/t/python-api-wanting-setup-of-up-timed-capture-but-waiting-to-trigger/3575)
**Author:** [@trevor.marvin](https://discuss.saleae.com/u/trevor.marvin)\ **Replies:** 3\ **Last updated:** [December 3, 2025, 1:07am UTC](https://discuss.saleae.com/t/python-api-wanting-setup-of-up-timed-capture-but-waiting-to-trigger/3575 "2025-12-03T01:07:03Z")
I’m using the MSO thru the Python API. I have code that’s working to grab both analog and digital captures together. (I’m using the digital capture to watch a trigger I have and trim the analog after the fact, but that’s… --- ## [Why remove disable?](https://discuss.saleae.com/t/why-remove-disable/3563)
**Author:** [@info5](https://discuss.saleae.com/u/info5)\ **Replies:** 8\ **Last updated:** [December 2, 2025, 11:19pm UTC](https://discuss.saleae.com/t/why-remove-disable/3563 "2025-12-02T23:19:23Z")
I bought this years ago and haven’t used it in a while. I needed it today and installed the new version. What a real step backwards. Who thought this was an improvement? Where can you download old versions for win… --- ## [Help identifying protocol for Midea AC daughter PCB communication](https://discuss.saleae.com/t/help-identifying-protocol-for-midea-ac-daughter-pcb-communication/2774)
**Author:** [@chiconws](https://discuss.saleae.com/u/chiconws)\ **Replies:** 3\ **Last updated:** [November 25, 2025, 2:04pm UTC](https://discuss.saleae.com/t/help-identifying-protocol-for-midea-ac-daughter-pcb-communication/2774 "2025-11-25T14:04:18Z")
I have a basic Midea AC unit that lacks Wi-Fi connectivity, and I’m interested in making it smart. It consists of a main PCB, which I prefer not to tamper with, and a smaller daughter PCB responsible for receiving remote… --- ## [Data Invisible](https://discuss.saleae.com/t/data-invisible/2484)
**Author:** [@bluey](https://discuss.saleae.com/u/bluey)\ **Replies:** 5\ **Last updated:** [November 25, 2025, 12:42am UTC](https://discuss.saleae.com/t/data-invisible/2484 "2025-11-25T00:42:50Z")
I installed Logic 2 (build 2.4.10) on a new computer and I cannot see any data, but it is there. I can see it in the analyzers and if I can jump to next edge, etc. I’m running Windows 11. In the attached screenshot, if … --- ## [Analyzer error causes API code to wait infinitely](https://discuss.saleae.com/t/analyzer-error-causes-api-code-to-wait-infinitely/3551)
**Author:** [@daniel.adorjan](https://discuss.saleae.com/u/daniel.adorjan)\ **Replies:** 9\ **Last updated:** [November 24, 2025, 3:11pm UTC](https://discuss.saleae.com/t/analyzer-error-causes-api-code-to-wait-infinitely/3551 "2025-11-24T15:11:46Z")
Hi, I’ve ran into an issue using the Logic2 Automation API in Python (v1.0.7). When I add a low level analyzer using the Capture.add\_analyzer(…) function, most of the time it works fine. However sometimes there is an er… --- ## [3D Logic MSO - Desktop Stand](https://discuss.saleae.com/t/3d-logic-mso-desktop-stand/3554)
**Author:** [@Wietsman](https://discuss.saleae.com/u/Wietsman)\ **Replies:** 2\ **Last updated:** [November 21, 2025, 10:19pm UTC](https://discuss.saleae.com/t/3d-logic-mso-desktop-stand/3554 "2025-11-21T22:19:29Z")
I created a Modular Desktop Stand for the Logic MSO. Featuring the following: a holder for 2 scope probes (print 2 of these if you have the 4 channel scope version). a row of 20 test clamp organizer. (if you have m… --- ## [Feature request: Adjustable SPI sampling latency](https://discuss.saleae.com/t/feature-request-adjustable-spi-sampling-latency/3562)
**Author:** [@AndreasKarg](https://discuss.saleae.com/u/AndreasKarg)\ **Replies:** 5\ **Last updated:** [November 21, 2025, 12:18pm UTC](https://discuss.saleae.com/t/feature-request-adjustable-spi-sampling-latency/3562 "2025-11-21T12:18:48Z")
I am working with an SPI bus that is going through multiple layers of bus isolators, which creates significant round-trip latency between the CLK going out and any changes to MISO coming back in: D0 and D3 are measur… [Previous page](https://discuss.saleae.com/latest.md?page=3) [Next page](https://discuss.saleae.com/latest.md?page=5)