Sensors & IMUs (561)

Discussions Replies Latest Activity

Mag Field interference, internal, then external and still no improved results

Hi,  I have been having huge problems with my compass on my APM 2.5. I originally got toilet bowling and after trying to mount the APM in…

Started by Jon

0 Sep 7

Barometer (ms5611) reading consistency

Hello everybody! What kind of consistency can I expect from the barometer (ms5611)?  I am getting a rather noisy reading where my altitude…

Started by Adam Lee

0 Aug 28

Magnetometer Shielding

I am sure that some of you have experienced the same issue that we have. We are flying a rather heavy hexacopter configuration which pulls…

Started by Adam Kimberlin

18 Aug 24
Reply by BaNe Machine

Madgwick IMU/AHRS and Fast Inverse Square Root

Hi Everyone, I'm currently using Madgwick's popular filter for my own AHRS project. After some experimentation with sensors and adjusting t…

Started by Tobias Simon

49 Aug 19
Reply by Tobias Simon


An improved method for accounting for acceleration in gyro roll-pitch drift computations

Team, I have worked out a new way to account for acceleration in the computations to detect roll and pitch gyro drift in IMU computations.…

Started by William Premerlani

35 Aug 16
Reply by Yi Zheng

problems with cheap Chinese neo-6 ublox + compass v2.0

Hi all        I have an apm2.5 with a cheap Chinese neo-6 ublox + compass V 2.0 board and have been having problems in auto mode and circle…

Started by Tim Painter

10 Aug 14
Reply by Max Patissier

Hard iron calibration - silly question

Hi, I have this application where my magnetometer is placed with an angle (say <20 deg) to the Earth horizontal plane (XY). I will only…

Started by Robin Lilja

0 Aug 8

Any alternative to GPS for indoors navigation?

Hi all, firstly congratulate this community by the amount of information and assistance it provides to users. I have in mind a project mult…

Started by Javier Jesús Romero León

1 Aug 8
Reply by FitSystems

Looking for help with sonar characterization

Howdy everybody,   I'm currently developing control algorithms for quadcopters in a simulator and need to model the behavior of various sen…

Started by Mahdi

0 Aug 8

Brushless Motor RPM Sensor

Does anyone know a quick, "non-surgical", non-optical DIY RPM sensor for brushless motors? Wonder how the Brushless RPM Sensor/Tach from…

Started by Tom in NOVA

32 Aug 5


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