# Latest **URL:** https://forum.liquidinstruments.com/latest.md [Latest](https://forum.liquidinstruments.com/latest.md) · [Categories](https://forum.liquidinstruments.com/categories.md) --- ## [Matlab start\_logging bug (normal vs precision)](https://forum.liquidinstruments.com/t/matlab-start-logging-bug-normal-vs-precision/1293)
**Author:** [@nathan.tomlin](https://forum.liquidinstruments.com/u/nathan.tomlin)\ **Replies:** 3\ **Last updated:** [September 25, 2026, 10:07pm UTC](https://forum.liquidinstruments.com/t/matlab-start-logging-bug-normal-vs-precision/1293 "2026-09-25T22:07:07Z")
I couldn’t get the ‘get\_stream\_data’ working in matlab (just saw this thread), so I’m using ‘start\_logging’ instead. It mostly works, except for one weird bug. This command works fine: pid.start\_logging('duration',10,'m… --- ## [Moku Delta MATLAB API](https://forum.liquidinstruments.com/t/moku-delta-matlab-api/1292)
**Author:** [@alkmbozkurt](https://forum.liquidinstruments.com/u/alkmbozkurt)\ **Replies:** 0\ **Last updated:** [September 14, 2026, 5:34pm UTC](https://forum.liquidinstruments.com/t/moku-delta-matlab-api/1292 "2026-09-14T17:34:28Z")
Hi, I am trying to capture the frequency measurement of the Phasemeter from MATLAB API. But problem is for some random intervals acquistions slow down and the polling freezes, this leaves unequal and randomized sampling… --- ## [Spectrum Analyzer Averaging in python](https://forum.liquidinstruments.com/t/spectrum-analyzer-averaging-in-python/1291)
**Author:** [@tcgayer](https://forum.liquidinstruments.com/u/tcgayer)\ **Replies:** 1\ **Last updated:** [September 8, 2026, 11:05pm UTC](https://forum.liquidinstruments.com/t/spectrum-analyzer-averaging-in-python/1291 "2026-09-08T23:05:58Z")
The moku app has a frame averages feature. Is there a python equivalent to this feature that won’t require me pulling data from the moku:pro multiple times and then averaging it myself? So far I’ve just seen the target\_d… --- ## [Sporadic SystemVerilog package not-declared error in Moku Cloud Compile](https://forum.liquidinstruments.com/t/sporadic-systemverilog-package-not-declared-error-in-moku-cloud-compile/1290)
**Author:** [@anchal](https://forum.liquidinstruments.com/u/anchal)\ **Replies:** 2\ **Last updated:** [September 1, 2026, 5:42pm UTC](https://forum.liquidinstruments.com/t/sporadic-systemverilog-package-not-declared-error-in-moku-cloud-compile/1290 "2026-09-01T17:42:43Z")
I have a multi-file Verilog / SystemVerilog Custom Instrument. To support several Moku models from a single source, I keep the per-device constants in a small SystemVerilog package in its own \`.v\` file: // device\_param… --- ## [Set Oscilloscope trigger in Multi-Instrument Mode?](https://forum.liquidinstruments.com/t/set-oscilloscope-trigger-in-multi-instrument-mode/1288)
**Author:** [@cacollet](https://forum.liquidinstruments.com/u/cacollet)\ **Replies:** 2\ **Last updated:** [August 4, 2026, 1:43pm UTC](https://forum.liquidinstruments.com/t/set-oscilloscope-trigger-in-multi-instrument-mode/1288 "2026-08-04T13:43:31Z")
Hello! I have a Moku:Go that I control using the Python API, and I am trying to set up a Multi-Instrument Mode Oscilloscope for some experiments. I can initialize it and set most of the necessary parameters, passing “In… --- ## [Moku pro data logger indefinitely wait for trigger](https://forum.liquidinstruments.com/t/moku-pro-data-logger-indefinitely-wait-for-trigger/1287)
**Author:** [@Tina](https://forum.liquidinstruments.com/u/Tina)\ **Replies:** 2\ **Last updated:** [July 7, 2026, 10:47pm UTC](https://forum.liquidinstruments.com/t/moku-pro-data-logger-indefinitely-wait-for-trigger/1287 "2026-07-07T22:47:54Z")
Moku Pro MokuOS: 4.2.2 Hardware version: 3.0 Firmware: 644.0 Python: 3.11.15 I have a Moku pro and I tried to write a python API to repetitively trigger the data logger for automated measurement. Within multi-instru… --- ## [Unable to Configure Oscilloscope, AWG, WFG](https://forum.liquidinstruments.com/t/unable-to-configure-oscilloscope-awg-wfg/1285)
**Author:** [@NaVi](https://forum.liquidinstruments.com/u/NaVi)\ **Replies:** 1\ **Last updated:** [May 15, 2026, 6:58pm UTC](https://forum.liquidinstruments.com/t/unable-to-configure-oscilloscope-awg-wfg/1285 "2026-05-15T18:58:23Z")
Moku model: Pro Operating system: Windows Software version: 4.2.1.1 build 14330-d7cec6b2 Bug or support request description: I need to configure the following to Moku Pro, it seems documentation is little off, so i ha… --- ## [MCC build error "Vivado Terminated"](https://forum.liquidinstruments.com/t/mcc-build-error-vivado-terminated/1284)
**Author:** [@alkmbozkurt](https://forum.liquidinstruments.com/u/alkmbozkurt)\ **Replies:** 1\ **Last updated:** [April 27, 2026, 11:14pm UTC](https://forum.liquidinstruments.com/t/mcc-build-error-vivado-terminated/1284 "2026-04-27T23:14:49Z")
I can’t generate bitstreams from Cloud Compile, I am gettin randomly “Vivado terminated” messages. I even tried to rebuild a project that I have already built the bitstream and got the same error. --- ## [Generating a simple Hahn echo sequence](https://forum.liquidinstruments.com/t/generating-a-simple-hahn-echo-sequence/1282)
**Author:** [@Vishnunni](https://forum.liquidinstruments.com/u/Vishnunni)\ **Replies:** 0\ **Last updated:** [April 10, 2026, 1:02pm UTC](https://forum.liquidinstruments.com/t/generating-a-simple-hahn-echo-sequence/1282 "2026-04-10T13:02:44Z")
Moku model: Moku Pro Operating system: Windows Software version: Bug or support request description: I am trying to generate a simple Hahn echo sequence Where 2 pulses are separated by 20microseconds, and the pulses … --- ## [Issues connecting with Python API](https://forum.liquidinstruments.com/t/issues-connecting-with-python-api/1281)
**Author:** [@abarnett](https://forum.liquidinstruments.com/u/abarnett)\ **Replies:** 2\ **Last updated:** [April 2, 2026, 1:52pm UTC](https://forum.liquidinstruments.com/t/issues-connecting-with-python-api/1281 "2026-04-02T13:52:08Z")
Moku model:Moku:pro Operating system:Windows 11 Software version:Python 3.12.5 Bug or support request description: I am trying to connect to the moku:pro using the Python API. I get the error: moku.exceptions.NoIns… --- ## [Moku:Go 3 slot MIM pid set by gain and section doesn't work for section 2](https://forum.liquidinstruments.com/t/moku-go-3-slot-mim-pid-set-by-gain-and-section-doesnt-work-for-section-2/1272)
**Author:** [@JackAttack720](https://forum.liquidinstruments.com/u/JackAttack720)\ **Replies:** 5\ **Last updated:** [April 1, 2026, 5:19pm UTC](https://forum.liquidinstruments.com/t/moku-go-3-slot-mim-pid-set-by-gain-and-section-doesnt-work-for-section-2/1272 "2026-04-01T17:19:36Z")
Moku model: Moku:Go M2 Firmware 635.0 Operating system: Windows 11 Software version: MokuOS 4.1.2 Bug or support request description: In multi-instrument context, if platform id=3, when using the python API set\_by\_ga… --- ## [Un-bricking a broken API](https://forum.liquidinstruments.com/t/un-bricking-a-broken-api/1269)
**Author:** [@admitrieff](https://forum.liquidinstruments.com/u/admitrieff)\ **Replies:** 4\ **Last updated:** [March 27, 2026, 4:47pm UTC](https://forum.liquidinstruments.com/t/un-bricking-a-broken-api/1269 "2026-03-27T16:47:57Z")
Moku model: Moku:Pro (HW 3.0, MokuOS 4.1.2, firmware v. 635.0, API server v. 4.1.2.1) Operating system: Debian Linux Software version: mokucli v. 4.1.1.1, downloaded instrument bitstreams v. 4.1.2, Python package ‘moku… --- ## [Slowdown while using the app (Spectrum Analyzer)](https://forum.liquidinstruments.com/t/slowdown-while-using-the-app-spectrum-analyzer/1276)
**Author:** [@HugoMarot](https://forum.liquidinstruments.com/u/HugoMarot)\ **Replies:** 3\ **Last updated:** [March 18, 2026, 5:06pm UTC](https://forum.liquidinstruments.com/t/slowdown-while-using-the-app-spectrum-analyzer/1276 "2026-03-18T17:06:16Z")
I am experiencing slowdowns that can eventualy lead to crashes while using the app (MokuOS 4.1.2) on a MokuGo (M2) (Hardware version 4.0, Firmware version 635.0), on a Windows 11 (24H2 version) computer. While using the… --- ## [Persistent connection issues with Moku:Go on Windows App (USB-C & Wi-Fi)](https://forum.liquidinstruments.com/t/persistent-connection-issues-with-moku-go-on-windows-app-usb-c-wi-fi/1277)
**Author:** [@xiangyuwei](https://forum.liquidinstruments.com/u/xiangyuwei)\ **Replies:** 1\ **Last updated:** [March 12, 2026, 8:46pm UTC](https://forum.liquidinstruments.com/t/persistent-connection-issues-with-moku-go-on-windows-app-usb-c-wi-fi/1277 "2026-03-12T20:46:29Z")
Dear Liquid Instruments Support Team, I am writing to seek assistance with a persistent connection issue I am experiencing with my Moku:Go when using the Windows desktop app. Here is my device information for your refe… --- ## [Laser lock box using Labview](https://forum.liquidinstruments.com/t/laser-lock-box-using-labview/1271)
**Author:** [@Max](https://forum.liquidinstruments.com/u/Max)\ **Replies:** 1\ **Last updated:** [March 11, 2026, 5:57pm UTC](https://forum.liquidinstruments.com/t/laser-lock-box-using-labview/1271 "2026-03-11T17:57:49Z")
Has anyone translated the Laser Lock Box app into LabView ? There are examples and functions in Labview, but a complete example of Laser Lock Box with the possibility to scan the laser frequency, view the error and inpu… --- ## [MCC Multiple Custom IP Core Upload](https://forum.liquidinstruments.com/t/mcc-multiple-custom-ip-core-upload/1274)
**Author:** [@alkmbozkurt](https://forum.liquidinstruments.com/u/alkmbozkurt)\ **Replies:** 1\ **Last updated:** [February 25, 2026, 6:21pm UTC](https://forum.liquidinstruments.com/t/mcc-multiple-custom-ip-core-upload/1274 "2026-02-25T18:21:44Z")
Moku model: Moku Delta Operating system: Windows Software version: 4.1.1 Bug or support request description: When I try to upload multiple IP cores generated by Vivado 2022.2 with correct part number, I get the error… --- ## [Data streaming MATLAB and MACOS](https://forum.liquidinstruments.com/t/data-streaming-matlab-and-macos/1259)
**Author:** [@brucerod](https://forum.liquidinstruments.com/u/brucerod)\ **Replies:** 3\ **Last updated:** [February 21, 2026, 5:05pm UTC](https://forum.liquidinstruments.com/t/data-streaming-matlab-and-macos/1259 "2026-02-21T17:05:06Z")
The latest updates to the MOKU API for MATLAB are causing slowdowns and other problems when logging data and then using the command get\_stream\_data(). The data is slow to initiate and then only accessible the first time … --- ## [MCC, Instrument connection registers](https://forum.liquidinstruments.com/t/mcc-instrument-connection-registers/1270)
**Author:** [@alkmbozkurt](https://forum.liquidinstruments.com/u/alkmbozkurt)\ **Replies:** 1\ **Last updated:** [February 17, 2026, 9:18pm UTC](https://forum.liquidinstruments.com/t/mcc-instrument-connection-registers/1270 "2026-02-17T21:18:08Z")
Is it okay to assume that, every connection between instruments are in the format of int16 as the ADC works that way? Should my Custom Instrument Output be 16 bit binary always? Another question would be is it okay to … --- ## [Slow controller for PID](https://forum.liquidinstruments.com/t/slow-controller-for-pid/1231)
**Author:** [@JackAttack720](https://forum.liquidinstruments.com/u/JackAttack720)\ **Replies:** 2\ **Last updated:** [February 13, 2026, 7:53pm UTC](https://forum.liquidinstruments.com/t/slow-controller-for-pid/1231 "2026-02-13T19:53:58Z")
Hi, I’ve been trying to control a rather slow time constant system for temperature control and having a minimum integral gain of 0dB is somewhat frustrating. I can achieve the time response I desire by setting a low pro… --- ## [Backward compatibility of Moku config file](https://forum.liquidinstruments.com/t/backward-compatibility-of-moku-config-file/1264)
**Author:** [@Azercoco](https://forum.liquidinstruments.com/u/Azercoco)\ **Replies:** 4\ **Last updated:** [February 11, 2026, 5:29pm UTC](https://forum.liquidinstruments.com/t/backward-compatibility-of-moku-config-file/1264 "2026-02-11T17:29:44Z")
Bug or support request description: I recently updated my Moku:Pro from 4.0.3 to 4.1.2 and suddenly not a single configuration file works correctly. Is there a way to fix this ? Is is crucially important for my to recov… --- ## [MOKU:GO PID Loop Instability Issues](https://forum.liquidinstruments.com/t/moku-go-pid-loop-instability-issues/1268)
**Author:** [@FClawson](https://forum.liquidinstruments.com/u/FClawson)\ **Replies:** 1\ **Last updated:** [February 10, 2026, 9:22pm UTC](https://forum.liquidinstruments.com/t/moku-go-pid-loop-instability-issues/1268 "2026-02-10T21:22:33Z")
Hi all, Firstly, I hope this is the correct topic type to post under, and if it isn’t, please let me know where I should re-post. I’m trying to use a MOKU:GO to control a PID loop. My setup is as follows: An inciden… --- ## [Waveform Generator (VCO)](https://forum.liquidinstruments.com/t/waveform-generator-vco/1267)
**Author:** [@alkmbozkurt](https://forum.liquidinstruments.com/u/alkmbozkurt)\ **Replies:** 7\ **Last updated:** [February 10, 2026, 7:37pm UTC](https://forum.liquidinstruments.com/t/waveform-generator-vco/1267 "2026-02-10T19:37:41Z")
Moku model: Moku Delta Operating system: Windows 11 Software version: 4.1.1 Bug or support request description: I am trying to operate the instruments from MATLAB. I always thought the Waveform Generator as VCO whose… --- ## [How to give digital high/low from DIO pins from MATLAB](https://forum.liquidinstruments.com/t/how-to-give-digital-high-low-from-dio-pins-from-matlab/1265)
**Author:** [@alkmbozkurt](https://forum.liquidinstruments.com/u/alkmbozkurt)\ **Replies:** 3\ **Last updated:** [February 7, 2026, 12:55am UTC](https://forum.liquidinstruments.com/t/how-to-give-digital-high-low-from-dio-pins-from-matlab/1265 "2026-02-07T00:55:09Z")
Moku model: Moku Delta Operating system: Windows 11 Software version: 4.1.1 \*\*Bug or support request description: I can give an arbitrary DIO pin High or Low from Logic Analyzer Instrument on GUI. But from MATLAB, eve… --- ## [SineGen\_48 example config register](https://forum.liquidinstruments.com/t/sinegen-48-example-config-register/1262)
**Author:** [@benl](https://forum.liquidinstruments.com/u/benl)\ **Replies:** 3\ **Last updated:** [January 30, 2026, 9:08pm UTC](https://forum.liquidinstruments.com/t/sinegen-48-example-config-register/1262 "2026-01-30T21:08:28Z")
Hi, I want to do simultaneous amplitude and phase modulation in a custom instrument, so I’m trying to get the SineGen\_48 IP core to work. I am directly using the code from moku-examples/mc/IP Core Templates and Examples… --- ## [Python API streaming broken in 4.1.1.1?](https://forum.liquidinstruments.com/t/python-api-streaming-broken-in-4-1-1-1/1258)
**Author:** [@JackAttack720](https://forum.liquidinstruments.com/u/JackAttack720)\ **Replies:** 5\ **Last updated:** [January 27, 2026, 6:23pm UTC](https://forum.liquidinstruments.com/t/python-api-streaming-broken-in-4-1-1-1/1258 "2026-01-27T18:23:29Z")
Moku model: Go M2, Firmware 634.0 Operating system: Windows 11 Software version: API: 4.1.1.1, CLI: 4.1.1.1, MokuOS 4.1.1 Bug or support request description: I’m trying to start a streaming on one of my Moku:Gos, set… --- ## [Non Critical Cloud Compile UI Bug](https://forum.liquidinstruments.com/t/non-critical-cloud-compile-ui-bug/1261)
**Author:** [@Tvog0001](https://forum.liquidinstruments.com/u/Tvog0001)\ **Replies:** 3\ **Last updated:** [January 26, 2026, 10:43pm UTC](https://forum.liquidinstruments.com/t/non-critical-cloud-compile-ui-bug/1261 "2026-01-26T22:43:33Z")
Hi all, I have been using Moku Cloud compile for a couple weeks now and have noticed a recurring non critical UI bug. Once you request to build the build logs appear with the IP Icon in yellow. After some time IP finis… --- ## [Network Adaptor Blocked by Workplace Network Policy - Workaround?](https://forum.liquidinstruments.com/t/network-adaptor-blocked-by-workplace-network-policy-workaround/1260)
**Author:** [@LiamC](https://forum.liquidinstruments.com/u/LiamC)\ **Replies:** 1\ **Last updated:** [January 23, 2026, 9:10pm UTC](https://forum.liquidinstruments.com/t/network-adaptor-blocked-by-workplace-network-policy-workaround/1260 "2026-01-23T21:10:02Z")
Moku model: Delta Operating system: Windows 10/11 Software version:4.1.2 Bug or support request description: I’m trying to use my Moku:Delta (or Pro) via USB (or Ethernet for that matter) in a National Lab environment… --- ## [Allow direct control of sample rate and data length for Oscilloscope in SDK](https://forum.liquidinstruments.com/t/allow-direct-control-of-sample-rate-and-data-length-for-oscilloscope-in-sdk/1263)
**Author:** [@MattBahr](https://forum.liquidinstruments.com/u/MattBahr)\ **Replies:** 1\ **Last updated:** [January 23, 2026, 8:58pm UTC](https://forum.liquidinstruments.com/t/allow-direct-control-of-sample-rate-and-data-length-for-oscilloscope-in-sdk/1263 "2026-01-23T20:58:05Z")
If targeting a certain sample rate, using the set\_timebase() function is cumbersome. It feels like a guessing game to try to figure out which sample rate the function will select. Furthermore, behavior with the “max\_le… --- ## [Bnc ground to earth](https://forum.liquidinstruments.com/t/bnc-ground-to-earth/1032)
**Author:** [@Tom](https://forum.liquidinstruments.com/u/Tom)\ **Replies:** 8\ **Last updated:** [January 15, 2026, 6:13am UTC](https://forum.liquidinstruments.com/t/bnc-ground-to-earth/1032 "2026-01-15T06:13:38Z")
Hi. I have the moku go and have a question about the earth connection. I only have continuity between earth and bnc ground when the unit is off. Ones I turn the moku go on this continuity is lost. Is this normal or is th… --- ## [Syncing data acquisition of two Moku:Pros](https://forum.liquidinstruments.com/t/syncing-data-acquisition-of-two-moku-pros/1255)
**Author:** [@fliou](https://forum.liquidinstruments.com/u/fliou)\ **Replies:** 1\ **Last updated:** [December 19, 2025, 1:24am UTC](https://forum.liquidinstruments.com/t/syncing-data-acquisition-of-two-moku-pros/1255 "2025-12-19T01:24:19Z")
Hi there! I have two Moku:Pros and I’d like to use the python API to acquire deep memory data simultaneously on both of them (I need to record 5 channel data and I’d like to record at 1.25GS/s for as long as possible), … [Next page](https://forum.liquidinstruments.com/latest.md?page=1)