# Uncategorized **URL:** https://community.simplefoc.com/c/uncategorized/1.md [Latest](https://community.simplefoc.com/latest.md) · [Categories](https://community.simplefoc.com/categories.md) · [Tags](https://community.simplefoc.com/tags.md) --- ## [Welcome to SimpleFOC community platform](https://community.simplefoc.com/t/welcome-to-simplefoc-community-platform/7)
**Author:** [@system](https://community.simplefoc.com/u/system)\ **Replies:** 0\ **Last updated:** [June 7, 2020, 6:19pm UTC](https://community.simplefoc.com/t/welcome-to-simplefoc-community-platform/7 "2020-06-07T18:19:00Z")
Welcome to the SimpleFOCproject discussion platform :wave: Hi Guys! SimpleFOCproject is completely community driven open-source project with intention to demystify (make simple) the Field Oriented Control (FOC) algorith… --- ## [Low-speed stepper smoothness and load response with FOC current control](https://community.simplefoc.com/t/low-speed-stepper-smoothness-and-load-response-with-foc-current-control/8374)
**Author:** [@S.J](https://community.simplefoc.com/u/S.J)\ **Replies:** 2\ **Last updated:** [October 19, 2026, 8:17am UTC](https://community.simplefoc.com/t/low-speed-stepper-smoothness-and-load-response-with-foc-current-control/8374 "2026-10-19T08:17:52Z")
I’m using SimpleFOC to control a NEMA17 stepper with StepperDriver4PWM, an SPI encoder and inline current sensing. It works quite well overall, but I’m struggling with smoothness and response to load at low speeds. In c… --- ## [CAN vs USB: A few questions](https://community.simplefoc.com/t/can-vs-usb-a-few-questions/8370)
**Author:** [@o\_lampe](https://community.simplefoc.com/u/o_lampe)\ **Replies:** 1\ **Last updated:** [October 18, 2026, 6:12am UTC](https://community.simplefoc.com/t/can-vs-usb-a-few-questions/8370 "2026-10-18T06:12:57Z")
Hi, I’m trying to figure out if using CAN makes any sense. The microspora board has two CAN connectors to daisy-chain several boards. The CANcommander transceives data from an USB to CAN adapterboard. What about the… --- ## [Reducing EMI in BLDC Motor Controller PCBs](https://community.simplefoc.com/t/reducing-emi-in-bldc-motor-controller-pcbs/8372)
**Author:** [@Bidosej](https://community.simplefoc.com/u/Bidosej)\ **Replies:** 0\ **Last updated:** [October 15, 2026, 9:17am UTC](https://community.simplefoc.com/t/reducing-emi-in-bldc-motor-controller-pcbs/8372 "2026-10-15T09:17:19Z")
Hi everyone, I’m interested in learning more about board-level shielding and electronics, particularly when designing PCB layouts for BLDC motor controllers and embedded motor-control applications. Motor driver boards … --- ## [Open generator for PCB inductive encoder coils (KiCad), looking for testers](https://community.simplefoc.com/t/open-generator-for-pcb-inductive-encoder-coils-kicad-looking-for-testers/8367)
**Author:** [@RolandThsive](https://community.simplefoc.com/u/RolandThsive)\ **Replies:** 5\ **Last updated:** [October 14, 2026, 11:17am UTC](https://community.simplefoc.com/t/open-generator-for-pcb-inductive-encoder-coils-kicad-looking-for-testers/8367 "2026-10-14T11:17:21Z")
Hi everyone, Over the last three months I have been building a tool for something I kept wanting in my own robots: a high-resolution, absolute angle sensor that does not cost hundreds of dollars. The result is the Sinus… --- ## [GM6208 calibration](https://community.simplefoc.com/t/gm6208-calibration/8357)
**Author:** [@modo](https://community.simplefoc.com/u/modo)\ **Replies:** 2\ **Last updated:** [October 7, 2026, 6:23am UTC](https://community.simplefoc.com/t/gm6208-calibration/8357 "2026-10-07T06:23:26Z")
Hi, this is the sister post related to this ticket. I am now testing the GM6208 and the situation is even more problematic: the zero angle ranges from 2.4 to 3.2. As in the other ticket, if I launch the calibration from… --- ## [Newbie struggling with simpleFOC on platformio requesting guidance](https://community.simplefoc.com/t/newbie-struggling-with-simplefoc-on-platformio-requesting-guidance/8344)
**Author:** [@marsbonfire0](https://community.simplefoc.com/u/marsbonfire0)\ **Replies:** 1\ **Last updated:** [September 26, 2026, 5:24am UTC](https://community.simplefoc.com/t/newbie-struggling-with-simplefoc-on-platformio-requesting-guidance/8344 "2026-09-26T05:24:17Z")
Trying to design a stepper motor based on esp32 running simplefoc with mt6816 sensor for a constant tension (constant torque). I tried the arduino ide and the compiles seem to be sooooo slow. Tried moving to platformio … --- ## [Gearotrons - Affordable open hardware that would probably run SimpleFoc](https://community.simplefoc.com/t/gearotrons-affordable-open-hardware-that-would-probably-run-simplefoc/8338)
**Author:** [@samuk](https://community.simplefoc.com/u/samuk)\ **Replies:** 0\ **Last updated:** [September 23, 2026, 8:32am UTC](https://community.simplefoc.com/t/gearotrons-affordable-open-hardware-that-would-probably-run-simplefoc/8338 "2026-09-23T08:32:16Z")
Spotted Gearotrons: Servomotor Store - Products Via an article about it Gearotons M17 - A low-cost NEMA-17 4-in-1 servomotor with driver, motion controller, and encoder - CNX Software It’s cheap and looks like it might… --- ## [Hoverboard Motor FOC with STM32](https://community.simplefoc.com/t/hoverboard-motor-foc-with-stm32/8335)
**Author:** [@M77](https://community.simplefoc.com/u/M77)\ **Replies:** 0\ **Last updated:** [September 16, 2026, 9:08pm UTC](https://community.simplefoc.com/t/hoverboard-motor-foc-with-stm32/8335 "2026-09-16T21:08:16Z")
Hello dear friends I want to implement foc Hoverboard motor with STM32. Is there any sample project --- ## [Zero angle calibration issues](https://community.simplefoc.com/t/zero-angle-calibration-issues/8329)
**Author:** [@modo](https://community.simplefoc.com/u/modo)\ **Replies:** 2\ **Last updated:** [September 16, 2026, 7:04am UTC](https://community.simplefoc.com/t/zero-angle-calibration-issues/8329 "2026-09-16T07:04:28Z")
Hi, I am working with a GM4108: I am noticing a really “steppy” motion (there is something wrong cause it can not be that bad). I am doing the aligning with a voltage between 3V and 5V (drawing up to 0.5A). The zero ang… --- ## [Driver.init() failure; MCPWM appears to be initialized twice (ESP32-C6)](https://community.simplefoc.com/t/driver-init-failure-mcpwm-appears-to-be-initialized-twice-esp32-c6/8323)
**Author:** [@audreymgu](https://community.simplefoc.com/u/audreymgu)\ **Replies:** 2\ **Last updated:** [September 13, 2026, 8:58pm UTC](https://community.simplefoc.com/t/driver-init-failure-mcpwm-appears-to-be-initialized-twice-esp32-c6/8323 "2026-09-13T20:58:43Z")
Hi there! I’ve been running into some issues getting a simple open loop motor spinning example working on my setup where the driver initialization fails. I have an ESP32-C6 dev board (CodeCell C6) connected to a TMC6300 … --- ## [Mounting the magnet onto the motor](https://community.simplefoc.com/t/mounting-the-magnet-onto-the-motor/1020)
**Author:** [@wimalopaan](https://community.simplefoc.com/u/wimalopaan)\ **Replies:** 11\ **Last updated:** [August 31, 2026, 3:50pm UTC](https://community.simplefoc.com/t/mounting-the-magnet-onto-the-motor/1020 "2026-08-31T15:50:38Z")
What is the best way to mount the magnet onto the motor axis? What is the best way to fix the magnetic-sensor-board. Are there any 3d-printable sensor-housings or things like that for specific gimbal or other motors. W… --- ## [B-G431B-ESC1 with FPV 2205 14/7 pole motor and AS5600](https://community.simplefoc.com/t/b-g431b-esc1-with-fpv-2205-14-7-pole-motor-and-as5600/8301)
**Author:** [@deets](https://community.simplefoc.com/u/deets)\ **Replies:** 21\ **Last updated:** [August 31, 2026, 6:21am UTC](https://community.simplefoc.com/t/b-g431b-esc1-with-fpv-2205-14-7-pole-motor-and-as5600/8301 "2026-08-31T06:21:07Z")
Hey folks, I’ve setup the B-G431B-ESC1 with an old EMAX RS2205 I’ve got lying around that should have plenty of power for my application. I feed it with 15V. The motor has 14 magnets, and my understanding is this means… --- ## [Does anybody has schematics and code example on this 20A Ali board](https://community.simplefoc.com/t/does-anybody-has-schematics-and-code-example-on-this-20a-ali-board/6398)
**Author:** [@Eugene](https://community.simplefoc.com/u/Eugene)\ **Replies:** 6\ **Last updated:** [August 20, 2026, 12:17pm UTC](https://community.simplefoc.com/t/does-anybody-has-schematics-and-code-example-on-this-20a-ali-board/6398 "2026-08-20T12:17:43Z")
Does anybody has schematics and code example on this 20A Ali board? https://vi.aliexpress.com/item/1005007382240854.html?spm=a2g0o.order\_list.order\_list\_main.34.21ef1802AZfogC&gatewayAdapt=glo2vnm --- ## [Motor Vibrates and Spins Unexpectedly When Using Angle Control + FOC Current in SimpleFOC](https://community.simplefoc.com/t/motor-vibrates-and-spins-unexpectedly-when-using-angle-control-foc-current-in-simplefoc/8297)
**Author:** [@colapunch](https://community.simplefoc.com/u/colapunch)\ **Replies:** 1\ **Last updated:** [August 12, 2026, 6:28am UTC](https://community.simplefoc.com/t/motor-vibrates-and-spins-unexpectedly-when-using-angle-control-foc-current-in-simplefoc/8297 "2026-08-12T06:28:33Z")
Hello, First of all, thank you very much for developing and maintaining SimpleFOC. It is a great and very useful project, and I really appreciate the opportunity to learn from it. I have been using SimpleFOC for about … --- ## [你们生态怎么这么乱七八糟的，不能把电机和驱动板的原理图数据手册单独放在一个地方吗，我不理解](https://community.simplefoc.com/t/topic/8295)
**Author:** [@cc\_cc](https://community.simplefoc.com/u/cc_cc)\ **Replies:** 0\ **Last updated:** [August 9, 2026, 9:35am UTC](https://community.simplefoc.com/t/topic/8295 "2026-08-09T09:35:04Z")
你们厂家既然发售这个，为什么把资料搞的极其难找，不能完善吗 --- ## [First project, fallen at first hurdle!](https://community.simplefoc.com/t/first-project-fallen-at-first-hurdle/8281)
**Author:** [@GDCobra](https://community.simplefoc.com/u/GDCobra)\ **Replies:** 13\ **Last updated:** [August 6, 2026, 1:38pm UTC](https://community.simplefoc.com/t/first-project-fallen-at-first-hurdle/8281 "2026-08-06T13:38:48Z")
I am really keen to use FOC to give me good motor control and have a few projects lined up to use this. Unfortunately I’ve had a couple of false starts with this sytem but have returned to my first project and I’m reall… --- ## [Help me take the first steps in a DIY HoloTile proyect](https://community.simplefoc.com/t/help-me-take-the-first-steps-in-a-diy-holotile-proyect/8276)
**Author:** [@Iker\_Martinez](https://community.simplefoc.com/u/Iker_Martinez)\ **Replies:** 11\ **Last updated:** [July 27, 2026, 12:19pm UTC](https://community.simplefoc.com/t/help-me-take-the-first-steps-in-a-diy-holotile-proyect/8276 "2026-07-27T12:19:13Z")
Ever since I saw Disney’s HoloTile, I knew I needed to experience it at least once. I think it has a lot of potential for VR and for me, it seems like the nicest solution to the problem of movement in VR that I’m aware o… --- ## [Minimal Arduino sketch to work with SimpleFOCStudio visualisation tool](https://community.simplefoc.com/t/minimal-arduino-sketch-to-work-with-simplefocstudio-visualisation-tool/7825)
**Author:** [@MiSmal](https://community.simplefoc.com/u/MiSmal)\ **Replies:** 9\ **Last updated:** [July 22, 2026, 9:35pm UTC](https://community.simplefoc.com/t/minimal-arduino-sketch-to-work-with-simplefocstudio-visualisation-tool/7825 "2026-07-22T21:35:17Z")
I got my Arduino with the FOC\_Arduino\_V1.1 shield (some kind of clone of 2.x FOC shield) and AS5600 Encoder plus gimbal BLDC motor running. Now, I want to do some tweaking by using this visualisation tool from JorgeM… --- ## [Velocity motion control with magnetic sensor example not working](https://community.simplefoc.com/t/velocity-motion-control-with-magnetic-sensor-example-not-working/8267)
**Author:** [@Akshat\_Gupta](https://community.simplefoc.com/u/Akshat_Gupta)\ **Replies:** 6\ **Last updated:** [July 20, 2026, 7:36am UTC](https://community.simplefoc.com/t/velocity-motion-control-with-magnetic-sensor-example-not-working/8267 "2026-07-20T07:36:41Z")
Hi people, I am trying to run the velocity\_motion\_control magnetic\_sensor example. The problem I am facing is that the motor is not moving continuously as it should. The motor is trying to hold an angle randomly. I want… --- ## [MT6835 performances](https://community.simplefoc.com/t/mt6835-performances/8103)
**Author:** [@modo](https://community.simplefoc.com/u/modo)\ **Replies:** 5\ **Last updated:** [July 16, 2026, 11:41am UTC](https://community.simplefoc.com/t/mt6835-performances/8103 "2026-07-16T11:41:46Z")
Hi, I am running a project with a iFlight GM6208 equipped with a AS5048A (using the SPI bus). As controller I am using at the moment a ST G431RB (the plan is to switch to this board later). I am quite happy with the resu… --- ## [Modular STSPIN32G4 V2](https://community.simplefoc.com/t/modular-stspin32g4-v2/8239)
**Author:** [@Juan-Antonio\_Soren\_E](https://community.simplefoc.com/u/Juan-Antonio_Soren_E)\ **Replies:** 4\ **Last updated:** [July 8, 2026, 10:41am UTC](https://community.simplefoc.com/t/modular-stspin32g4-v2/8239 "2026-07-08T10:41:02Z")
Dear fellow nerds, AI is a game changer :smiley: OMG!!! Tjek out Arcstore.io just deployed New probe PCB design and NB.IoT gateway up and runnung… Im moving forward with the modular STSPIN32G4 format, now version 2.0 … --- ## [MC generator (stator) as BLDC](https://community.simplefoc.com/t/mc-generator-stator-as-bldc/751)
**Author:** [@Juan-Antonio\_Soren\_E](https://community.simplefoc.com/u/Juan-Antonio_Soren_E)\ **Replies:** 5\ **Last updated:** [June 29, 2026, 9:19am UTC](https://community.simplefoc.com/t/mc-generator-stator-as-bldc/751 "2026-06-29T09:19:00Z")
Dear all I think I have found a solution for a good and cheep way of making a DIY BLDC, where SimpleFOC would come in very handy. A MC generator has a decent size (115mm+ OD) and they seem to have quite thick coil wire… --- ## [MCU and control-loop requirements for accelerating a 60 mm shutter disc to 720 RPM and stopping it within 20 ms](https://community.simplefoc.com/t/mcu-and-control-loop-requirements-for-accelerating-a-60-mm-shutter-disc-to-720-rpm-and-stopping-it-within-20-ms/8229)
**Author:** [@a305092445](https://community.simplefoc.com/u/a305092445)\ **Replies:** 1\ **Last updated:** [June 18, 2026, 4:38pm UTC](https://community.simplefoc.com/t/mcu-and-control-loop-requirements-for-accelerating-a-60-mm-shutter-disc-to-720-rpm-and-stopping-it-within-20-ms/8229 "2026-06-18T16:38:27Z")
Hi everyone, I am developing a rotating shutter using a 2804 motor with a magnetic encoder. The motor has a rated torque of approximately 0.03 N·m. The load is a 6061 aluminum disc with the following approximate specif… --- ## [DSHOT comms for ESCs](https://community.simplefoc.com/t/dshot-comms-for-escs/8045)
**Author:** [@dro178](https://community.simplefoc.com/u/dro178)\ **Replies:** 2\ **Last updated:** [June 17, 2026, 3:25pm UTC](https://community.simplefoc.com/t/dshot-comms-for-escs/8045 "2026-06-17T15:25:06Z")
I saw somewhere that there might be some DSHOT development for the Arduino Giga in the SimpleFOC community. Is anyone working on DSHOT? --- ## [Issues with characteriseMotor() for 36V 350W hoverboard motor (BLDC)](https://community.simplefoc.com/t/issues-with-characterisemotor-for-36v-350w-hoverboard-motor-bldc/8224)
**Author:** [@Arizal\_Himawan](https://community.simplefoc.com/u/Arizal_Himawan)\ **Replies:** 1\ **Last updated:** [June 15, 2026, 7:05am UTC](https://community.simplefoc.com/t/issues-with-characterisemotor-for-36v-350w-hoverboard-motor-bldc/8224 "2026-06-15T07:05:54Z")
Hello everyone, I am having trouble finding the correct motor parameters for a generic 36V 350W hoverboard BLDC motor using the characteriseMotor() function from the SimpleFOC library. I have tried running the characte… --- ## [Limit of velocity movement](https://community.simplefoc.com/t/limit-of-velocity-movement/8176)
**Author:** [@Uriel\_Perez\_Flores](https://community.simplefoc.com/u/Uriel_Perez_Flores)\ **Replies:** 1\ **Last updated:** [June 6, 2026, 8:18am UTC](https://community.simplefoc.com/t/limit-of-velocity-movement/8176 "2026-06-06T08:18:16Z")
we have some problem with the velocity and torque of the simple FOC we have a SimpleFOC v1 shield when we try to send a positive velocity or positive torque this aparently moves good, however if we try to send one signal… --- ## [Can I use the SimpleFOC library to drive syncronized axes in closed-loop?](https://community.simplefoc.com/t/can-i-use-the-simplefoc-library-to-drive-syncronized-axes-in-closed-loop/4949)
**Author:** [@naikymen](https://community.simplefoc.com/u/naikymen)\ **Replies:** 46\ **Last updated:** [June 2, 2026, 6:30am UTC](https://community.simplefoc.com/t/can-i-use-the-simplefoc-library-to-drive-syncronized-axes-in-closed-loop/4949 "2026-06-02T06:30:55Z")
Hello everyone! I bring a question about synchronising motion between three or more motors, with the SimpleFOC library, in a cartesian robot. From my shallow knowledge, I understand that this implies getting the robot … --- ## [Gimbal motor external shaft](https://community.simplefoc.com/t/gimbal-motor-external-shaft/8162)
**Author:** [@NegativeFeedbackLoop](https://community.simplefoc.com/u/NegativeFeedbackLoop)\ **Replies:** 3\ **Last updated:** [May 29, 2026, 7:09pm UTC](https://community.simplefoc.com/t/gimbal-motor-external-shaft/8162 "2026-05-29T19:09:11Z")
Take a look at this gimbal motor GM3506 (ebay). All affordable gimbal motors I can find have a similar type of hollow shaft. My question is how do I actually attach a shaft there? My initial idea was to connect a BLDC to… --- ## [Is the Serial interface mandatory?](https://community.simplefoc.com/t/is-the-serial-interface-mandatory/8163)
**Author:** [@o\_lampe](https://community.simplefoc.com/u/o_lampe)\ **Replies:** 4\ **Last updated:** [May 29, 2026, 5:17pm UTC](https://community.simplefoc.com/t/is-the-serial-interface-mandatory/8163 "2026-05-29T17:17:00Z")
I wrote a step/dir\_angle program and tested it with webcontrol over serial. The step pulses came from an 3D printer controller and it worked well. Then I decided to clean up the code and get rid of serial- and motor.mo… [Next page](https://community.simplefoc.com/c/uncategorized/1.md?page=1)