BMI160 tracker only working with extra invisible IMU #245

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MrUnknownDE · 2026-04-05T17:52:18+02:00

MrUnknownDE commented

2026-04-05 17:52:18 +02:00

Originally created by @backspacestud on 8/19/2023

Hello,
I have been having issues getting my 2 IMU tracker to work, they are identified by slimeVR but the IMU's say working:false in the serial console. This is weird because my other tracker I got working yesterday was perfectly fine, but I decided to see if it was the firmware by changing the firmware of the working one. I could not remove the ghost IMU or else the actual one would not work at all, and the only defines.h i could get working was this:

(while this one would not work:)

When I tried to flash it to my second tracker It did not work at all, with or without the second IMU connected. My first question is why my 1st one only works with that specific defines.h and the second one does not work with anything at all (I triple checked the wiring though it may be a faulty sensor.)

Sorry for the confusing question, any help would be appreciated

*Originally created by @backspacestud on 8/19/2023* Hello, I have been having issues getting my 2 IMU tracker to work, they are identified by slimeVR but the IMU's say working:false in the serial console. This is weird because my other tracker I got working yesterday was perfectly fine, but I decided to see if it was the firmware by changing the firmware of the working one. I could not remove the ghost IMU or else the actual one would not work at all, and the only defines.h i could get working was this: ![image](https://github.com/SlimeVR/SlimeVR-Tracker-ESP/assets/101374988/dc89ada4-1c18-454c-903d-11040df5e163) (while this one would not work:) ![image](https://github.com/SlimeVR/SlimeVR-Tracker-ESP/assets/101374988/97ae3e64-a1e9-49e2-89f0-4cf6db0cb4eb) When I tried to flash it to my second tracker It did not work at all, with or without the second IMU connected. My first question is why my 1st one only works with that specific defines.h and the second one does not work with anything at all (I triple checked the wiring though it may be a faulty sensor.) Sorry for the confusing question, any help would be appreciated

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Reference: github/SlimeVR-Tracker-ESP#245