# Latest **URL:** https://forum.zubax.com/latest.md [Latest](https://forum.zubax.com/latest.md) · [Categories](https://forum.zubax.com/categories.md) · [Tags](https://forum.zubax.com/tags.md) --- ## [FluxGrip: Quickstart Guide v1.1](https://forum.zubax.com/t/fluxgrip-quickstart-guide-v1-1/2864)
**Author:** [@maksim.drachov](https://forum.zubax.com/u/maksim.drachov)\ **Replies:** 2\ **Last updated:** [November 4, 2026, 5:39pm UTC](https://forum.zubax.com/t/fluxgrip-quickstart-guide-v1-1/2864 "2026-11-04T17:39:51Z")
“FluxGrip Pro Max: The best got even better.” Introduction If you’re reading this you’ve probably recently purchased (or are planning to purchase) a FluxGrip magnet. This guide is meant to serve as an entrypoint fo… --- ## [IDs changed after update, and I can't change it back](https://forum.zubax.com/t/ids-changed-after-update-and-i-cant-change-it-back/2965)
**Author:** [@claudio\_Brito](https://forum.zubax.com/u/claudio_Brito)\ **Replies:** 3\ **Last updated:** [October 30, 2026, 7:44am UTC](https://forum.zubax.com/t/ids-changed-after-update-and-i-cant-change-it-back/2965 "2026-10-30T07:44:41Z")
Hello My name is Claudio from Instor - Projetos e Robótica. We just updated the firmware for the FG401MA and are finding some problems with it. After our application stopped working, I used a generic USB-CAN device to … --- ## [DC link damping calculation tool for motor drive inverters and DC-DC converters](https://forum.zubax.com/t/dc-link-damping-calculation-tool-for-motor-drive-inverters-and-dc-dc-converters/2962)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 0\ **Last updated:** [October 23, 2026, 7:05pm UTC](https://forum.zubax.com/t/dc-link-damping-calculation-tool-for-motor-drive-inverters-and-dc-dc-converters/2962 "2026-10-23T19:05:37Z")
We noted that the widely used Salcone-Bond model used for DC link capacitance calculation systematically underestimates the capacitance required for DC ripple suppression. We have attempted to construct a more accurate m… --- ## [An extended AmpDrive AD0505A/B thermal model is now available](https://forum.zubax.com/t/an-extended-ampdrive-ad0505a-b-thermal-model-is-now-available/2955)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 0\ **Last updated:** [October 20, 2026, 2:55pm UTC](https://forum.zubax.com/t/an-extended-ampdrive-ad0505a-b-thermal-model-is-now-available/2955 "2026-10-20T14:55:04Z")
The enhanced thermal model is now available: The document and the included Python script can be used to accurately predict the thermal performance of Myxa and save on design iterations in high-performance applications… --- ## [AD0505A/B thermal model](https://forum.zubax.com/t/ad0505a-b-thermal-model/2954)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 0\ **Last updated:** [October 20, 2026, 2:53pm UTC](https://forum.zubax.com/t/ad0505a-b-thermal-model/2954 "2026-10-20T14:53:24Z")
These materials will help one implement a cooling solution for AD0505A/B. The thermal models shared here can reduce the number of iterations needed to achieve a satisfactory design. The numbers are obtained from COMSOL s… --- ## [Scheduled downtime on the upcoming weekend, Oct 10-11](https://forum.zubax.com/t/scheduled-downtime-on-the-upcoming-weekend-oct-10-11/2947)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 0\ **Last updated:** [October 6, 2026, 1:22pm UTC](https://forum.zubax.com/t/scheduled-downtime-on-the-upcoming-weekend-oct-10-11/2947 "2026-10-06T13:22:03Z")
The forum will be down for maintenance for several hours during the weekend of October 10-11. --- ## [Zubax Kucher – Connection Timeout During ESC Initialization](https://forum.zubax.com/t/zubax-kucher-connection-timeout-during-esc-initialization/2899)
**Author:** [@Jaswanthi\_2025](https://forum.zubax.com/u/Jaswanthi_2025)\ **Replies:** 7\ **Last updated:** [September 16, 2026, 4:15pm UTC](https://forum.zubax.com/t/zubax-kucher-connection-timeout-during-esc-initialization/2899 "2026-09-16T16:15:36Z")
Hi Zubax Team, We are currently facing a connection issue with Zubax Kucher while connecting to our Telega/Myxa ESCs. Kucher detects the device and successfully initializes the I/O worker and COM port, and we are able t… --- ## [Telenga Software Configuration](https://forum.zubax.com/t/telenga-software-configuration/2913)
**Author:** [@masharostova](https://forum.zubax.com/u/masharostova)\ **Replies:** 1\ **Last updated:** [September 9, 2026, 11:00pm UTC](https://forum.zubax.com/t/telenga-software-configuration/2913 "2026-09-09T23:00:02Z")
Hello, I would like to enquire on the capabilities of the telenga software. Can it be configured to use In-Line shunt current measurement instead of low-side? Is this a true 4-quadrant controller? I am planning to … --- ## [Can't get logs off of myxa A0s](https://forum.zubax.com/t/cant-get-logs-off-of-myxa-a0s/2895)
**Author:** [@jhonny](https://forum.zubax.com/u/jhonny)\ **Replies:** 1\ **Last updated:** [September 8, 2026, 3:42pm UTC](https://forum.zubax.com/t/cant-get-logs-off-of-myxa-a0s/2895 "2026-09-08T15:42:03Z")
I’m running a quadcopter with 4 myxas and occasionally ill get a motor failure error in px4. However, the px4 logs aren’t exactly the most specific as to what the problem is so I wanted to check the myxa logs. However, w… --- ## [Fluxgrip FG401MA Fault Issue](https://forum.zubax.com/t/fluxgrip-fg401ma-fault-issue/2903)
**Author:** [@yomopo](https://forum.zubax.com/u/yomopo)\ **Replies:** 1\ **Last updated:** [September 4, 2026, 1:46pm UTC](https://forum.zubax.com/t/fluxgrip-fg401ma-fault-issue/2903 "2026-09-04T13:46:25Z")
Dear Zubax Team, I have purchased a FG401MA with analog interface capabilities and have been testing out with it. However, when testing, we found out that providing 20V to the magnets, even though rated up to 30V for th… --- ## [FG401MA Magnetization Help](https://forum.zubax.com/t/fg401ma-magnetization-help/2868)
**Author:** [@noah\_dierker](https://forum.zubax.com/u/noah_dierker)\ **Replies:** 7\ **Last updated:** [August 27, 2026, 5:18pm UTC](https://forum.zubax.com/t/fg401ma-magnetization-help/2868 "2026-08-27T17:18:02Z")
Hello! I am using a FG401MA with a Arduino Mega attempting to control it via PWM, but have yet to successfully magnetize. I followed the quickstart guide for wiring and code but get an error every time I attempt to magne… --- ## [Fluxgrip: Cynic commands](https://forum.zubax.com/t/fluxgrip-cynic-commands/2884)
**Author:** [@maksim.drachov](https://forum.zubax.com/u/maksim.drachov)\ **Replies:** 0\ **Last updated:** [August 20, 2026, 1:43pm UTC](https://forum.zubax.com/t/fluxgrip-cynic-commands/2884 "2026-08-20T13:43:52Z")
Cynic is a CLI tool that allows to send/receive Cyphal messages. This post collects all the cynic commands that you might need for interacting with FluxGrip. To simplify the commands, put the following into cynic.toml … --- ## [Regenerative Braking Current Limitation in Myxa A2Z ESC (Telega v0)](https://forum.zubax.com/t/regenerative-braking-current-limitation-in-myxa-a2z-esc-telega-v0/2835)
**Author:** [@Bikash\_Kunwar](https://forum.zubax.com/u/Bikash_Kunwar)\ **Replies:** 7\ **Last updated:** [August 20, 2026, 1:38am UTC](https://forum.zubax.com/t/regenerative-braking-current-limitation-in-myxa-a2z-esc-telega-v0/2835 "2026-08-20T01:38:50Z")
We are using a Zubax Myxa A2Z ESC (AmpDrive AD0505A/B, Telega V0) in a regenerative braking configuration. The ESC is operating in RPM control mode (esc\_rcm = 1). Our setup involves one motor connected to the Myxa ESC, w… --- ## [Holoso --- numerical Python directly to FPGA for rapid controls development](https://forum.zubax.com/t/holoso-numerical-python-directly-to-fpga-for-rapid-controls-development/2882)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 0\ **Last updated:** [August 19, 2026, 4:06pm UTC](https://forum.zubax.com/t/holoso-numerical-python-directly-to-fpga-for-rapid-controls-development/2882 "2026-08-19T16:06:13Z")
A few months ago we published a preview release of Holoso – an easy-to-use high-level digital logic synthesis tool (HLS) that constructs Verilog modules from ordinary Python code. This week, Holoso v0.3 reaches an import… --- ## [3d model of Myxa A0Z](https://forum.zubax.com/t/3d-model-of-myxa-a0z/2880)
**Author:** [@ArthurHB](https://forum.zubax.com/u/ArthurHB)\ **Replies:** 1\ **Last updated:** [August 19, 2026, 2:02pm UTC](https://forum.zubax.com/t/3d-model-of-myxa-a0z/2880 "2026-08-19T14:02:39Z")
Hello, I am looking for the 3D model of the Myxa A0Z ESC. I haven’t been able to find a working link. Thanks for your help. --- ## [Babel to configure Team Black Sheep DroneCAN to PWM adapter](https://forum.zubax.com/t/babel-to-configure-team-black-sheep-dronecan-to-pwm-adapter/2866)
**Author:** [@Joshua\_Zelmon](https://forum.zubax.com/u/Joshua_Zelmon)\ **Replies:** 2\ **Last updated:** [July 28, 2026, 8:47am UTC](https://forum.zubax.com/t/babel-to-configure-team-black-sheep-dronecan-to-pwm-adapter/2866 "2026-07-28T08:47:35Z")
I’m using a Zubax Babel USB-CAN adapter to configure a Team BlackSheep DroneCAN-to-PWM adapter. TBS specifically recommended the Babel for setting the adapter’s node ID and parameters. I’m having trouble getting the Babe… --- ## [FluxGrip: Quickstart Guide \[outdated\]](https://forum.zubax.com/t/fluxgrip-quickstart-guide-outdated/2335)
**Author:** [@maksim.drachov](https://forum.zubax.com/u/maksim.drachov)\ **Replies:** 8\ **Last updated:** [July 25, 2026, 9:43am UTC](https://forum.zubax.com/t/fluxgrip-quickstart-guide-outdated/2335 "2026-07-25T09:43:54Z")
Note :warning: This post assumes you’re running the older version of FluxGrip firmware, which relies on Cyphal v1.0. If you’re reading this and are still running this version (basically if you bought your magnet before… --- ## [FluxGrip: Integration with PX4](https://forum.zubax.com/t/fluxgrip-integration-with-px4/2863)
**Author:** [@maksim.drachov](https://forum.zubax.com/u/maksim.drachov)\ **Replies:** 0\ **Last updated:** [July 22, 2026, 3:09pm UTC](https://forum.zubax.com/t/fluxgrip-integration-with-px4/2863 "2026-07-22T15:09:30Z")
FluxGrip with standard PX4 This post shows how to use FluxGrip with standard PX4 firmware. Tested with Holybro Pixhawk 6X Pro and FluxGrip running 502e1f5 version of the firmware. Clone the PX4-Autopilot repository … --- ## [FluxGrip: Integration with ArduPilot](https://forum.zubax.com/t/fluxgrip-integration-with-ardupilot/2862)
**Author:** [@maksim.drachov](https://forum.zubax.com/u/maksim.drachov)\ **Replies:** 0\ **Last updated:** [July 21, 2026, 4:04pm UTC](https://forum.zubax.com/t/fluxgrip-integration-with-ardupilot/2862 "2026-07-21T16:04:16Z")
FluxGrip with standard ArduPilot This post shows how to use FluxGrip with standard ArduCopter firmware and ArduPilot’s DroneCAN virtual-relay support. No custom firmware or Lua script is required. Tested with Holybro… --- ## [Vibrations and shock limitations for Myxa range](https://forum.zubax.com/t/vibrations-and-shock-limitations-for-myxa-range/2856)
**Author:** [@cleberreRT](https://forum.zubax.com/u/cleberreRT)\ **Replies:** 1\ **Last updated:** [July 8, 2026, 3:30pm UTC](https://forum.zubax.com/t/vibrations-and-shock-limitations-for-myxa-range/2856 "2026-07-08T15:30:54Z")
Hello everyone, I am wondering if some vibrations and/or shock testing have been done on the Myxa range to characterize the limitations? If so, could you please share the information ? Thanks for your support --- ## [Prop data for rpm control mode on myxas](https://forum.zubax.com/t/prop-data-for-rpm-control-mode-on-myxas/2857)
**Author:** [@jhonny](https://forum.zubax.com/u/jhonny)\ **Replies:** 1\ **Last updated:** [July 8, 2026, 3:29pm UTC](https://forum.zubax.com/t/prop-data-for-rpm-control-mode-on-myxas/2857 "2026-07-08T15:29:33Z")
I have some escs running telega v0.6 on my drone and I wanted to switch to rpm mode. I went to the spreadsheet you guys made with all the different prop values on it but unfortunately my props weren’t there. However, I t… --- ## [Telega Velocity Tracking during Long Operation](https://forum.zubax.com/t/telega-velocity-tracking-during-long-operation/2829)
**Author:** [@finwood](https://forum.zubax.com/u/finwood)\ **Replies:** 16\ **Last updated:** [June 18, 2026, 11:00am UTC](https://forum.zubax.com/t/telega-velocity-tracking-during-long-operation/2829 "2026-06-18T11:00:55Z")
While operating six AD5050 “Myxa” ESCs in a long duration test setup, we discovered a severe failure condition. The ESCs are operated via Cyphal (Telega 1.0 firmware), receive velocity setpoints via the setpoint\_velocit… --- ## [Free FluxGrips for academia and makers!](https://forum.zubax.com/t/free-fluxgrips-for-academia-and-makers/2817)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 10\ **Last updated:** [June 17, 2026, 2:34pm UTC](https://forum.zubax.com/t/free-fluxgrips-for-academia-and-makers/2817 "2026-06-17T14:34:55Z")
Update 2026-06-17: This free sample program is closed. We are no longer accepting new applications. Existing commitments already confirmed by Zubax remain valid and will be handled separately. The original announcement … --- ## [AD0505D0Z bare PCB — CAN connector compatibility question](https://forum.zubax.com/t/ad0505d0z-bare-pcb-can-connector-compatibility-question/2851)
**Author:** [@Painkiller](https://forum.zubax.com/u/Painkiller)\ **Replies:** 2\ **Last updated:** [June 14, 2026, 1:21pm UTC](https://forum.zubax.com/t/ad0505d0z-bare-pcb-can-connector-compatibility-question/2851 "2026-06-14T13:21:53Z")
Hello, I am currently integrating four AD0505D0Z ESCs (bare PCB variant) into a quadrotor UAV propulsion system using DroneCAN over CAN1, connected to a CubePilot Cube Orange+ flight controller running ArduCopter. I wo… --- ## [UAV CAN GUI tool says "too many errors"](https://forum.zubax.com/t/uav-can-gui-tool-says-too-many-errors/2831)
**Author:** [@jhonny](https://forum.zubax.com/u/jhonny)\ **Replies:** 4\ **Last updated:** [June 8, 2026, 11:00pm UTC](https://forum.zubax.com/t/uav-can-gui-tool-says-too-many-errors/2831 "2026-06-08T23:00:33Z")
I have 4 myxas on telega versions 0.3 and 0.4. Recently, I was trying to update their telega version to 1.0 but in the process I found an issue. Each Myxa can spin a motor when it’s the only myxa in the can line but the … --- ## [FluxGrip: activating using raw CAN frames](https://forum.zubax.com/t/fluxgrip-activating-using-raw-can-frames/2845)
**Author:** [@maksim.drachov](https://forum.zubax.com/u/maksim.drachov)\ **Replies:** 0\ **Last updated:** [May 22, 2026, 10:10am UTC](https://forum.zubax.com/t/fluxgrip-activating-using-raw-can-frames/2845 "2026-05-22T10:10:13Z")
A customer has asked the following question: We have been conducting tests on your magnets and have a few questions regarding the Yakut CLI tool and your current development tools. First, could you explain why the act… --- ## [FluxGrip FG40 current consumption waveforms during magnetization](https://forum.zubax.com/t/fluxgrip-fg40-current-consumption-waveforms-during-magnetization/2830)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 0\ **Last updated:** [April 23, 2026, 5:10pm UTC](https://forum.zubax.com/t/fluxgrip-fg40-current-consumption-waveforms-during-magnetization/2830 "2026-04-23T17:10:48Z")
The scope shots below show the input current and the input voltage waveforms captured while executing a magnetization command on a FG40 at various supply voltages. These are not part of the official product documentation… --- ## [Cyphal / TelegaV1 Servo Motor Control](https://forum.zubax.com/t/cyphal-telegav1-servo-motor-control/2797)
**Author:** [@P.Berthold](https://forum.zubax.com/u/P.Berthold)\ **Replies:** 2\ **Last updated:** [April 17, 2026, 2:21pm UTC](https://forum.zubax.com/t/cyphal-telegav1-servo-motor-control/2797 "2026-04-17T14:21:00Z")
Hey community, we are switching from Telega V0 / Drone Can to Telega V1 / Cyphal in order to make use of the servo operation mode. During bench testing I run into the following questions with our setup: AmpDrive AD05… --- ## [Telega Phase Current](https://forum.zubax.com/t/telega-phase-current/2826)
**Author:** [@finwood](https://forum.zubax.com/u/finwood)\ **Replies:** 1\ **Last updated:** [April 12, 2026, 11:16am UTC](https://forum.zubax.com/t/telega-phase-current/2826 "2026-04-12T11:16:36Z")
Telega publishes information about AC current in two places: phase\_current\_amplitude in the compact topic current\[2\] in the dq topic How do I calculate the RMS current per phase from these measurements? Is it phase … --- ## [FG40 force vs. distance to target (airgap)](https://forum.zubax.com/t/fg40-force-vs-distance-to-target-airgap/2824)
**Author:** [@pavel-kirienko](https://forum.zubax.com/u/pavel-kirienko)\ **Replies:** 0\ **Last updated:** [April 6, 2026, 1:20pm UTC](https://forum.zubax.com/t/fg40-force-vs-distance-to-target-airgap/2824 "2026-04-06T13:20:08Z")
Recently we’ve received a few similar inquiries about the relationship between the holding force of FluxGrip FG40 and the distance to the target. We have now added the missing plot to the documentation that answers this … [Next page](https://forum.zubax.com/latest.md?page=1)