# Latest **URL:** https://community.simplefoc.com/latest.md?page=2 [Latest](https://community.simplefoc.com/latest.md) · [Categories](https://community.simplefoc.com/categories.md) · [Tags](https://community.simplefoc.com/tags.md) **Page:** 3 --- ## [STM32F103RCT6 + MP6540H (simple example)](https://community.simplefoc.com/t/stm32f103rct6-mp6540h-simple-example/4711)
**Author:** [@POE](https://community.simplefoc.com/u/POE)\ **Replies:** 16\ **Last updated:** [July 20, 2026, 8:45am UTC](https://community.simplefoc.com/t/stm32f103rct6-mp6540h-simple-example/4711 "2026-07-20T08:45:19Z")
Hi all! I use a combination of STM32F103RCT6 + MP6540H, but even the simplest example (spinning at a given speed) does not work. My code for Arduino #include \ /\* Переменные \*/ #define UART\_TX PA9 #… --- ## [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… --- ## [SimpleFOCMini v2.1 board](https://community.simplefoc.com/t/simplefocmini-v2-1-board/8259)
**Author:** [@CthuluLabs](https://community.simplefoc.com/u/CthuluLabs)\ **Replies:** 8\ **Last updated:** [July 13, 2026, 5:33pm UTC](https://community.simplefoc.com/t/simplefocmini-v2-1-board/8259 "2026-07-13T17:33:26Z")
Does anyone know what happened with the SimpleFOCMini v2.1 board? It’s development is listed as ongoing: but from what I can see it hasn’t been touched in a year and the author is not responding. I am in need of a lo… --- ## [Understanding voltage\_limit for stepper motor](https://community.simplefoc.com/t/understanding-voltage-limit-for-stepper-motor/8263)
**Author:** [@rmorenoga](https://community.simplefoc.com/u/rmorenoga)\ **Replies:** 3\ **Last updated:** [July 13, 2026, 12:00pm UTC](https://community.simplefoc.com/t/understanding-voltage-limit-for-stepper-motor/8263 "2026-07-13T12:00:30Z")
Dear SimpleFOC community, I am trying to configure a stepper motor in voltage mode and when reading the documentation page I see that it says to configure the voltage limit for the motor between 2 to 5 volts so not to f… --- ## [Motor drive for sewing machines](https://community.simplefoc.com/t/motor-drive-for-sewing-machines/4621)
**Author:** [@Backflip](https://community.simplefoc.com/u/Backflip)\ **Replies:** 124\ **Last updated:** [July 11, 2026, 5:49pm UTC](https://community.simplefoc.com/t/motor-drive-for-sewing-machines/4621 "2026-07-11T17:49:49Z")
This is my first post here - thank you for letting me in your community. As a hobby, I am working on designing a small motor drive with a brushed DC motor for a few sewing machines. Sewing machines are typically driven … --- ## [Estimated\_current and velocity mode: high current at standstill](https://community.simplefoc.com/t/estimated-current-and-velocity-mode-high-current-at-standstill/8260)
**Author:** [@o\_lampe](https://community.simplefoc.com/u/o_lampe)\ **Replies:** 7\ **Last updated:** [July 11, 2026, 9:15am UTC](https://community.simplefoc.com/t/estimated-current-and-velocity-mode-high-current-at-standstill/8260 "2026-07-11T09:15:38Z")
When I use that setup and velocity is zero, the motor still wants to position itself “on the cogging point”. Which means there is a significant Iq of ~340mA at standstill, result of a nonzero Vq. The sign of the current… --- ## [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 … --- ## [Problem with Simple FOC](https://community.simplefoc.com/t/problem-with-simple-foc/8257)
**Author:** [@Jannik\_Dambacher](https://community.simplefoc.com/u/Jannik_Dambacher)\ **Replies:** 1\ **Last updated:** [July 8, 2026, 8:39am UTC](https://community.simplefoc.com/t/problem-with-simple-foc/8257 "2026-07-08T08:39:18Z")
Hello, I’d like to use this gimbal motor, the “GBM2804H-100T Gimbal Motor.” To do so, I ordered the “Simple FOC ESP 32 FOC” board. However, since there’s hardly any documentation available for this specific … --- ## [Weak Torque in Voltage based position Control using B-G431B-ESC1](https://community.simplefoc.com/t/weak-torque-in-voltage-based-position-control-using-b-g431b-esc1/8248)
**Author:** [@SachinK](https://community.simplefoc.com/u/SachinK)\ **Replies:** 4\ **Last updated:** [July 7, 2026, 11:02pm UTC](https://community.simplefoc.com/t/weak-torque-in-voltage-based-position-control-using-b-g431b-esc1/8248 "2026-07-07T23:02:32Z")
I have SimpleFOC setup of 5010 BLDC Motor (7 Pole Pair, 360KV) B-G431B-ESC1 Driver AS5600 Sensor I am trying to do Position control with Voltage Control mode. The issue I am facing is that the motor is going to targe… --- ## [Bipedal wheeled robot](https://community.simplefoc.com/t/bipedal-wheeled-robot/8251)
**Author:** [@DexterousMuffin](https://community.simplefoc.com/u/DexterousMuffin)\ **Replies:** 1\ **Last updated:** [July 7, 2026, 7:42am UTC](https://community.simplefoc.com/t/bipedal-wheeled-robot/8251 "2026-07-07T07:42:37Z")
Hi! I’ve recently started working on a project I had in mind for some time – a wheeled bipedal robot, like Impulse or Beni. From the research I’ve done, I found out that – as probably all of us that ended up here – actu… --- ## [QVADRANS v1.0 (fka Lepton 3.0)](https://community.simplefoc.com/t/qvadrans-v1-0-fka-lepton-3-0/3376)
**Author:** [@Valentine](https://community.simplefoc.com/u/Valentine)\ **Replies:** 179\ **Last updated:** [July 7, 2026, 2:03am UTC](https://community.simplefoc.com/t/qvadrans-v1-0-fka-lepton-3-0/3376 "2026-07-07T02:03:11Z")
Splitting the topic here since this is not Lepton anymore but a completely new board. Keeping with naming, QVADRANS (worth two Leptons from Antiquity c.a. King Alexander Jannaeus of Judah from 103-76 BC). Got a little t… --- ## [iPower Motor and SPI Wiring](https://community.simplefoc.com/t/ipower-motor-and-spi-wiring/323)
**Author:** [@bruhman](https://community.simplefoc.com/u/bruhman)\ **Replies:** 17\ **Last updated:** [July 5, 2026, 8:53pm UTC](https://community.simplefoc.com/t/ipower-motor-and-spi-wiring/323 "2026-07-05T20:53:15Z")
I am having a hard time finding information anywhere on the web on how to wire the magnetic encoder that I received with my motor from iPower. I have checked the datasheet from AMS, but when I try to follow the traces on… --- ## [SimpleFOC sensorless fan for dealing with this summer's heat waves](https://community.simplefoc.com/t/simplefoc-sensorless-fan-for-dealing-with-this-summers-heat-waves/8240)
**Author:** [@Antun\_Skuric](https://community.simplefoc.com/u/Antun_Skuric)\ **Replies:** 6\ **Last updated:** [June 30, 2026, 9:15pm UTC](https://community.simplefoc.com/t/simplefoc-sensorless-fan-for-dealing-with-this-summers-heat-waves/8240 "2026-06-30T21:15:55Z")
Hi guys, We the recent heatwaves one can be stuck at home with no air conditioning and no fan. For those having a BLDC motor and a drone prop, SimpleFOC can provide a solution :smiley: #include \ #include \ **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… --- ## [Gooser: a 4-in-1 Lepton derivative](https://community.simplefoc.com/t/gooser-a-4-in-1-lepton-derivative/5325)
**Author:** [@dekutree64](https://community.simplefoc.com/u/dekutree64)\ **Replies:** 103\ **Last updated:** [June 28, 2026, 9:08pm UTC](https://community.simplefoc.com/t/gooser-a-4-in-1-lepton-derivative/5325 "2026-06-28T21:08:33Z")
I’ve gone circuit board crazy this past month, working on several potential designs to succeed Lepton Deku mod for the next version of my robot bird, and watching hours of Robert Feranec videos on youtube to learn the … --- ## [Your thoughts about drv8316 - Long slew rate](https://community.simplefoc.com/t/your-thoughts-about-drv8316-long-slew-rate/4813)
**Author:** [@Antun\_Skuric](https://community.simplefoc.com/u/Antun_Skuric)\ **Replies:** 5\ **Last updated:** [June 28, 2026, 7:42pm UTC](https://community.simplefoc.com/t/your-thoughts-about-drv8316-long-slew-rate/4813 "2026-06-28T19:42:18Z")
Hi guys, In recent months and even years now, I’ve had a great expectations from the drv8316. As it has all the good stuff :slight\_smile: Integrated triple half bridge integrated low-side current sensing a good LDO re… --- ## [YAMAHA YFZ R1 Stator conversion - ARC Pump Project](https://community.simplefoc.com/t/yamaha-yfz-r1-stator-conversion-arc-pump-project/8243)
**Author:** [@Juan-Antonio\_Soren\_E](https://community.simplefoc.com/u/Juan-Antonio_Soren_E)\ **Replies:** 3\ **Last updated:** [June 28, 2026, 4:32pm UTC](https://community.simplefoc.com/t/yamaha-yfz-r1-stator-conversion-arc-pump-project/8243 "2026-06-28T16:32:35Z")
I think I found a project for my MC stator. Now that the KlimaLab project is reaching maturity, im contemplating a pump design, with an impeller that has integrated magnets. It should be able to deliver real water press… --- ## [Music on a BLDC motor](https://community.simplefoc.com/t/music-on-a-bldc-motor/8242)
**Author:** [@Andrew](https://community.simplefoc.com/u/Andrew)\ **Replies:** 0\ **Last updated:** [June 27, 2026, 9:21am UTC](https://community.simplefoc.com/t/music-on-a-bldc-motor/8242 "2026-06-27T09:21:19Z")
I wanted to have some fun with a BLDC motor and use it as a speaker. It turned out much better than expected. Camera equipment used was Fujifilm X-S10 + 50mm F/2 lens + Rode Videomic Pro. No audio processi… --- ## [Thanks and a few observations](https://community.simplefoc.com/t/thanks-and-a-few-observations/8233)
**Author:** [@yzzyy5](https://community.simplefoc.com/u/yzzyy5)\ **Replies:** 1\ **Last updated:** [June 26, 2026, 8:10pm UTC](https://community.simplefoc.com/t/thanks-and-a-few-observations/8233 "2026-06-26T20:10:29Z")
First off, I’d like to thank all the people who developed this software and the excellent web site. I’ve been using the software for several weeks with much success. One thing that I found somewhat disconcerting, thoug… --- ## [Simplefoc mini with in-line current sensing](https://community.simplefoc.com/t/simplefoc-mini-with-in-line-current-sensing/5214)
**Author:** [@SamLee0510](https://community.simplefoc.com/u/SamLee0510)\ **Replies:** 4\ **Last updated:** [June 25, 2026, 9:46am UTC](https://community.simplefoc.com/t/simplefoc-mini-with-in-line-current-sensing/5214 "2026-06-25T09:46:36Z")
I’m making a custom pcb board based on simplefoc mini. I just wanted to add the functionality of in-line current sensing to simplefoc mini board so I made a schematic below. Since this is my first PCB custom board, … --- ## [Regenerative Braking](https://community.simplefoc.com/t/regenerative-braking/2574)
**Author:** [@lewisrichardson2103](https://community.simplefoc.com/u/lewisrichardson2103)\ **Replies:** 107\ **Last updated:** [June 24, 2026, 7:50am UTC](https://community.simplefoc.com/t/regenerative-braking/2574 "2026-06-24T07:50:05Z")
I posted a question / prompt for discussion on the discord but it was pointed out that this would be better as it would be easier / more permanent for people to find. In short the question was around what was missing fr… --- ## [PWM Deadtime compensation](https://community.simplefoc.com/t/pwm-deadtime-compensation/3767)
**Author:** [@Candas1](https://community.simplefoc.com/u/Candas1)\ **Replies:** 38\ **Last updated:** [June 23, 2026, 6:13am UTC](https://community.simplefoc.com/t/pwm-deadtime-compensation/3767 "2026-06-23T06:13:47Z")
I will try to show how dead-time compensation can help improve the waveform when I finally get the wheel to rotate :sweat\_smile: --- ## [DRV8323 custom driver review/help request](https://community.simplefoc.com/t/drv8323-custom-driver-review-help-request/8220)
**Author:** [@lexan253](https://community.simplefoc.com/u/lexan253)\ **Replies:** 3\ **Last updated:** [June 22, 2026, 12:51pm UTC](https://community.simplefoc.com/t/drv8323-custom-driver-review-help-request/8220 "2026-06-22T12:51:25Z")
Hello! I needed high current board for FOC applications, while Im waiting for SimpleFOCDrive I’ve designed custom board based on SimpleFOCDrive. I’ve replaced some elements with those that I could get faster: DRV8320 … --- ## [Replace HybridStepperMotor with a driver class?](https://community.simplefoc.com/t/replace-hybridsteppermotor-with-a-driver-class/8234)
**Author:** [@dekutree64](https://community.simplefoc.com/u/dekutree64)\ **Replies:** 0\ **Last updated:** [June 21, 2026, 6:21am UTC](https://community.simplefoc.com/t/replace-hybridsteppermotor-with-a-driver-class/8234 "2026-06-21T06:21:14Z")
Backstory: When adding DC motor support to my stepstick (note: I haven’t actually written anything about DC motors in that thread yet), I came up with the idea to create driver wrapper classes to allow DCMotor to interfa… --- ## [Driving two-phase (bilpolar) steppers with three-phase (BLDC) driver - Hybrid stepper motor](https://community.simplefoc.com/t/driving-two-phase-bilpolar-steppers-with-three-phase-bldc-driver-hybrid-stepper-motor/5043)
**Author:** [@Antun\_Skuric](https://community.simplefoc.com/u/Antun_Skuric)\ **Replies:** 41\ **Last updated:** [June 20, 2026, 3:00am UTC](https://community.simplefoc.com/t/driving-two-phase-bilpolar-steppers-with-three-phase-bldc-driver-hybrid-stepper-motor/5043 "2026-06-20T03:00:30Z")
Hi guys, Few days ago I’ve read on the forum that there are some people as @VIPQualityPost and @Copper280z which used bipolar stepper motors as regular BLDC motors by connecting two of their wires together as one phas… --- ## [Are 3 linear halls in 60° possible with linear halls library?](https://community.simplefoc.com/t/are-3-linear-halls-in-60-possible-with-linear-halls-library/8173)
**Author:** [@o\_lampe](https://community.simplefoc.com/u/o_lampe)\ **Replies:** 40\ **Last updated:** [June 19, 2026, 5:56pm UTC](https://community.simplefoc.com/t/are-3-linear-halls-in-60-possible-with-linear-halls-library/8173 "2026-06-19T17:56:33Z")
Hi, the title almost describes it all. I have 8 pole BLDC motors with an external 8\_magnets rotor and 3 digi halls. Easiest hack would be to replace them with linear halls. I could also rip the rotor off and replace i… --- ## [Dynamic voltage for openloop control](https://community.simplefoc.com/t/dynamic-voltage-for-openloop-control/8231)
**Author:** [@geofrancis](https://community.simplefoc.com/u/geofrancis)\ **Replies:** 1\ **Last updated:** [June 19, 2026, 4:40pm UTC](https://community.simplefoc.com/t/dynamic-voltage-for-openloop-control/8231 "2026-06-19T16:40:40Z")
I have been testing out all the modes for driving my rovers hoverboard wheels, openloop mode gives the smoothest handling for tank steering, its like all the motors are locked together. The problem is open loop uses a lo… --- ## [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… --- ## [SimpleFOC on Arduino Giga - BLDC Motor buzzing](https://community.simplefoc.com/t/simplefoc-on-arduino-giga-bldc-motor-buzzing/5279)
**Author:** [@dro178](https://community.simplefoc.com/u/dro178)\ **Replies:** 48\ **Last updated:** [June 18, 2026, 12:33pm UTC](https://community.simplefoc.com/t/simplefoc-on-arduino-giga-bldc-motor-buzzing/5279 "2026-06-18T12:33:22Z")
I have a SimpleFOC board and code working well with a GM5208-24 BLDC gimbal motor on an Arduino Mega and/or the DUE boards running the identical code. I recently received a new Arduino Mega and ported the code to run on… [Previous page](https://community.simplefoc.com/latest.md?page=1) [Next page](https://community.simplefoc.com/latest.md?page=3)