# \#sensorless

**URL:** https://community.simplefoc.com/tag/sensorless/120.md

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## [Testing the sensorless foc with SimpleFOC](https://community.simplefoc.com/t/testing-the-sensorless-foc-with-simplefoc/7019)

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**Author:** [@Antun\_Skuric](https://community.simplefoc.com/u/Antun_Skuric)\
**Replies:** 3\
**Last updated:** [December 13, 2025, 11:43am UTC](https://community.simplefoc.com/t/testing-the-sensorless-foc-with-simplefoc/7019 "2025-12-13T11:43:48Z")

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Hi guys, Some time ago @Candas1 has implemented sensorless flux observer compatible with SimpleFOC into the drivers repo. Given that it’s such an awesome addition to SimpleFOC and I did not see many people use it so …

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## [B-G431-ESC1 Does not spin even in Open-Loop](https://community.simplefoc.com/t/b-g431-esc1-does-not-spin-even-in-open-loop/7016)

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**Author:** [@arpakai](https://community.simplefoc.com/u/arpakai)\
**Replies:** 1\
**Last updated:** [April 11, 2025, 4:59pm UTC](https://community.simplefoc.com/t/b-g431-esc1-does-not-spin-even-in-open-loop/7016 "2025-04-11T16:59:02Z")

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Hi, I hope everyone is fine. I’m trying to spin my X2216-5 2400KV motor with B-G431-ESC1, however the results are always the same. I have 3 boards, i have tried to spin my motor in every board, but result did not change.…

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## [Sensorless BEMF reading with B-G431-ESC1](https://community.simplefoc.com/t/sensorless-bemf-reading-with-b-g431-esc1/5173)

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**Author:** [@vkeiper](https://community.simplefoc.com/u/vkeiper)\
**Replies:** 6\
**Last updated:** [March 25, 2025, 7:50pm UTC](https://community.simplefoc.com/t/sensorless-bemf-reading-with-b-g431-esc1/5173 "2025-03-25T19:50:41Z")

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I am currently using the B-G431-ESC1 to drive a sensorless BLDC motor. I have the motor running well in an velocity open loop, but I need to run the motor in a closed loop. From my understanding I need to use BEMF as fee…

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## [Position controll with Hall encoders only](https://community.simplefoc.com/t/position-controll-with-hall-encoders-only/5343)

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**Author:** [@lsteele12](https://community.simplefoc.com/u/lsteele12)\
**Replies:** 2\
**Last updated:** [August 29, 2024, 11:57am UTC](https://community.simplefoc.com/t/position-controll-with-hall-encoders-only/5343 "2024-08-29T11:57:37Z")

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Hi, I’m trying to understand if I can expect reasonable performance in closed loop position control using only hall encoders? My candidate motor is 7 pole pairs and has hall sensors, and will be going through a 16:1 gea…

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## [STM32 ZeST sensorless BLDC FOC](https://community.simplefoc.com/t/stm32-zest-sensorless-bldc-foc/4236)

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**Author:** [@o\_lampe](https://community.simplefoc.com/u/o_lampe)\
**Replies:** 9\
**Last updated:** [June 3, 2024, 5:34pm UTC](https://community.simplefoc.com/t/stm32-zest-sensorless-bldc-foc/4236 "2024-06-03T17:34:18Z")

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Just saw that article in the STM newsletter, wondering if simpleFOC could make any use of it?