Sensors & IMUs (574)

Discussions Replies Latest Activity

Pixhawk compasses not agreeing

I had a crash a bit ago with my 3DR Y6. After going through the logs, I found a few (mostly preventable) things in a chain of events that u…

Started by Matt Zweige

0 Nov 14

Inspire 1 Optical Flow + Sonar

Can someone tell me more about the sonar module used for the Inspire 1, it looks very similar to the HC-SR04 sensor, and from what I heard,…

Started by benbojangles

1 Nov 13
Reply by benbojangles

Experimenting with Accel Gyro, Rotational matrix question again but without flying.

Ladies and Gents, I apologies in advance if my topic come across newbie or ignorance which I promise to compensate for and share a fresh i…

Started by yaqz

1 Nov 13
Reply by yaqz

Loose fitting silicone tubes on pioto tube - Are they a problem?

I have noticed that the silicone tubes supplies with the airspeed sensor kit for the PixHawk fit very loose on the ends of the small tubes…

Started by Bret C

0 Nov 6

Rate PID vs Stabalize PID

I see the guide on how to tune PID for adrucopter that the rate PID gains is very small compared to Stablize PID, but i dont know why? I do…

Started by happy smile

0 Nov 5

Quadcopter hovering in a circle

I use MPU9150 which has magnetometer inclusive, but the quadcopter cannot hold its position after lifting off, is that the problem of lacki…

Started by happy smile

0 Nov 2

How to control PID for Yaw

My yaw angle varies from -180 degree to 180 degree.                                              -170 170                                …

Started by happy smile

0 Oct 27

AHRS Algorithm Question!

As far as i understand, AHRS DCM uses orientation reference vectors to detect orientation error. And we can use magnetometer to correct yaw…

Started by happy smile

5 Oct 24
Reply by happy smile

Madgwick algorithm Yaw angle incorrect when device rotate fast - Pay $1000

Hi,   I'm newbie so my question is probably very basic for others, but it's already puzzled me for days. I'm using Mahony's algorithm to ca…

Started by Dihan

0 Oct 23

FLIR TAU Camera with USB-AV Connector like on the GoPro Here Action Camera

Hi We are company in Switzerland, Europe, experienced in thermal cameras since 10 years. We have developed something that might be interest…

Started by Holenstein Roger

0 Oct 16


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