Alf Pettersson
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LightWare SF10/x via I2C?

Started this discussion. Last reply by Robert Gowans Mar 18, 2016. 8 Replies

Help!!Tried to connect as in the wiki, but no readings?Do I have to change the I2C adress on the SF10/x, default 0x55?Running APM:Copter V3.3.1.Is it possible to see devices connected to the I2C bus?Continue

Tags: I2C, Pixhawk, SF10, Rangefinder

LidarLite v2 on altitude > 15 m

Started Nov 15, 2015 0 Replies

I have a LidarLite v2 that I use with Arducopter 3.3.1. Everything is fine as long as I fly below 15-20m but above that I only get correct altitude every now and then? It is connected to the I2C port…Continue

Tags: 3.3.1, Copter, LidarLite

Lidar Lite and Copter V3.3

Started this discussion. Last reply by Alf Pettersson Oct 1, 2015. 2 Replies

I have problems with my LL…Continue

Tags: V3.3, LidarLite

 

Alf Pettersson's Page

Latest Activity

Robert Gowans replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"Hi Justin, It appears that copter 3.3.3 does not support I2C for LightWare devices, however when I use the latest development version of 3.4 it works perfectly. You also need to make sure you have the RNGFND_ADDR set to 85, which matches the…"
Mar 18, 2016
Justin Ward replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"@Robert I am about to start testing our SF10c via I2C. How did your tests go. Any advice?"
Mar 18, 2016
Al B replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"Thanks Robert!"
Feb 29, 2016
Robert Gowans replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"I'm doing some connectivity tests with the various Copter versions and LightWare devices. I'll let you know as soon as I have some concrete information."
Feb 29, 2016
Al B replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"Alf, But Copter-3.4 has not been released.  Did you mean Master? Can you connect via I2C with that code?  Thanks!"
Feb 29, 2016
Robert Gowans replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"Hi Al Are you able to try Copter-3.4?"
Feb 29, 2016
Al B replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"Copter-3.3.3 claims to support the LightWare SF10/x via I2C.  I also tried to connect as in the wiki, but I don't get any readings either.  Were you able to make it work?"
Feb 28, 2016
Alf Pettersson replied to Alf Pettersson's discussion LightWare SF10/x via I2C?
"How can i set the parameter RNGFND_ADDR found in wiki parameter list? Or is it for coming version of copter?"
Nov 27, 2015
Alf Pettersson posted a discussion

LightWare SF10/x via I2C?

Help!!Tried to connect as in the wiki, but no readings?Do I have to change the I2C adress on the SF10/x, default 0x55?Running APM:Copter V3.3.1.Is it possible to see devices connected to the I2C bus?See More
Nov 27, 2015
Alf Pettersson posted a discussion

LidarLite v2 on altitude > 15 m

I have a LidarLite v2 that I use with Arducopter 3.3.1. Everything is fine as long as I fly below 15-20m but above that I only get correct altitude every now and then? It is connected to the I2C port with 700uF on +/- cabel powered from a separate UBEC, and I am runnning a genuine 3DR Pixhawk.Any tips or tricks to make this work…See More
Nov 15, 2015
Alf Pettersson replied to Randy's discussion Copter-3.3 beta testing
"Help!! I have Compass problems, calibrated OK but high offset on internal Compass. Have I done something wrong during config? As soon as I yaw I get EKF Compass errors it looks like MagY sometimes follows and sometimes mirrors?When I fly, land and…"
Nov 12, 2015
Alf Pettersson replied to Luis Carlos's discussion MAVLink message to get sonar altitude
"Look at https://pixhawk.ethz.ch/mavlink/ and search for rangefinder?"
Nov 10, 2015
Alf Pettersson replied to Cala's discussion Lidar Lite and other sensors are usefull for agriculture purposes? in the group ArduCopter User Group
"Only over feilds with grass not like yours crops?"
Nov 9, 2015
Alf Pettersson replied to Cala's discussion Lidar Lite and other sensors are usefull for agriculture purposes? in the group ArduCopter User Group
"Hi Cala,I have flown using LidarLite and I think that it is functioning best when I fly below 15 m above the ground. I have not seen it been affected of vibration, possible it will be affected by changes in angel? If I fly higher than 15 m it seems…"
Nov 9, 2015
Alf Pettersson replied to Rolf Blomgren's discussion APM MavLink to FrSky X8R S.Port converter
"Did some debugging and it was the LED routine who took too long time so it messed it up, changed the loop() so it only runs LED_process every 0,5 s, and then everything worked fine. //Affe"
Nov 6, 2015
Alf Pettersson replied to Randy's discussion Copter-3.3 beta testing
"HiI got this result after autotune on a X8, flys OK but values out of range or?"
Nov 6, 2015

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Please tell us a bit about your UAV interest
Started with UAV in december 2014, and trying to get everything up and the way I want it!! But it is a lot that can go wrong....
Hometown:
Nittkvarn

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