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Charlie's Discussions

3DR Pixhawk IMU2 Accelerometer provides noisy data, worse than IMU1

Started this discussion. Last reply by Charlie Mar 27, 2016. 2 Replies

I posted this in the copter 3.3.x forum, perhaps it was the wrong place? Reposting in the hope of getting some insight, google has let me down and I can't seem to find anyone else with this issue…Continue

Tags: Accelerometer, IMU2

3DR Pixhawk IMU2 Accelerometer noise

Started Mar 16, 2016 0 Replies

I have recently been carrying out mapping flights in somewhat more turbulent and windy conditions and it has brought to light a possible issue with noise in the accelerometer data from IMU 2.…Continue

Tags: Z, axis, INS_USE2, noise, SNR

CHDK, KAP Script and accurate timestamping

Started this discussion. Last reply by David Tipping Apr 9, 2016. 13 Replies

I've been trying to improve the accuracy of the geotagging of images produced using a Canon S100 running CHDK and the KAP lua script, shutter triggered by Pixhawk via a CamRemote device.I've been…Continue


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Precision geotagging images using Emlid Reach, Canon S100, CHDK, KAP script and RTKlib – Proof of concept

Posted on May 5, 2016 at 4:30am 13 Comments

We have been using a Canon S100 running CHDK and KAP script for mapping and modelling using Pix4d for a while, and thought it might be useful to share the results of some testing of the possibility of…


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