Sensors & IMUs (609)

Discussions Replies Latest Activity

Best AHRS algorithm available for a moving application

Hi, I have been using open-source IMU algorithms for two years till now. i always get average results for hobby applications like UAVs and…

Started by Ahmed Hossam Helal

0 4 hours ago

Pulsedlight "blue label" V2 LIDAR rip off?

Picked up a "blue label" LIDAR from Pulsedlight, thinking that it would now work with Pixhawk without all the bugs. Afterall, it is adverti…

Started by Euan Ramsay

0 16 hours ago

Simple IMU - My quaternion based complimentary filter

Hi all,   I have recently started writing a series of blog posts that detail how I have chosen to program my own IMU complimentary filter.…

Started by Phillip Schmidt

16 yesterday
Reply by Bob Doiron

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

54 on Sunday
Reply by Jan

LidarLite terrain following test (Copter 3.3rc8 - Pixhawk)

Gimbal mounted Lidar Lite to correct tilt related measurement problems and point it downwards, 1-2.5meter altitude 6m/s(20km/h) Loiter spee…

Started by Robert Szabo

0 on Sunday

Use of sonar sensor for obstacle navigation

I am looking to use a sonar sensor on my X8 in a forward mounted orientation to control the distance from an object while I inspect it thro…

Started by Randall Tyson

6 on Sunday
Reply by Marcelo Vaccari

using ceiling as height datum with ultrasound

what about a quadcopter that looks at the ceiling with an ultrasonic eye & uses it as a height reference? this could be implemented qui…

Started by david williamson

0 on Sunday

magdwick's filter - example data

Hi guys, I'm trying to implement Magdwick'filter but I don't understand where with the example data that he gave There is rotation on x an…

Started by Lucile

0 on Friday

issues regarding I2C drivers for the pixhawk

Dear all I am currently working in collaboration with Jon Verbeke on a project with multiple ultrasonic sensors on a quadrotor. We started…

Started by Jonas V

2 Jul 28
Reply by Manu B


Hi guys, Just a question about the LIDAR from Pulsedlight3d - I got mine today, but the best rig for testing it is an APM, not a pixhawk.…

Started by Euan Ramsay

2 Jul 27
Reply by Jason McCarthy


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