"Al, nice!
Are you calibrating the magentometer? I'm having troubles with that."
Chris Holloway's Discussions
No Pitch, Roll Euler values - broke IMU?
Started this discussion. Last reply by Zeljko Mihajic Nov 7, 2012. 1 Reply 0 Likes
I've just noticed a problem with my V3 - the unit is not printing pitch and roll values. This is a recent occurrence, it was working fine a few days ago. I verified the behavior on the demo…Continue
ArduIMU v3 + D2523T GPS
Started this discussion. Last reply by Chris Holloway May 10. 3 Replies 0 Likes
Hi all, any help here would be greatly appreciated.I'm working on an orientation-position (no autopilot) project and picked up the ArduIMU v3 and a D2523T GPS from spark fun:…Continue
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Latest Activity
Chris Holloway replied to Chris Holloway's discussion ArduIMU v3 + D2523T GPS"Never got this to work. I retrograded to the GTP A010 GPS."
Chris Holloway replied to retxed68's discussion Arduimu magnetometer calibration"Hi everyone,
I can see it's been a while since there's been activity on this topic. Has anyone successfully accomplished ArduIMU magnetometer calibration as John describes?"
Jack Loo replied to Chris Holloway's discussion ArduIMU v3 + D2523T GPS"hello, I am facing the same problem too, did your gps work after working on the tutorial?Best,Jack"
Zeljko Mihajic replied to Chris Holloway's discussion No Pitch, Roll Euler values - broke IMU?"Hi, had exactly the same problem after trying to change gyro range to 250DPS. Got scared, tought I fried the gyro...
Tried lot of things, and code rewrite...
Then I tried to press the sensor IC a little and I've got it's outputs…"
Chris Holloway replied to Artem Grigoryev's discussion ArduIMU V3 all axes output wrong values!"So what should the line of code be? Is it:
#define Accel_Scale(x) x*(GRAVITY/0.981) //Scaling the raw data of the accel to actual acceleration in meters for seconds square"
Chris Holloway replied to Artem Grigoryev's discussion ArduIMU V3 all axes output wrong values!"Artem, awesome. This worked like a charm. I'm using a GPS with my IMU, can I help test the Accel_Scale issue for you?"
Chris Holloway replied to Hyon Lim's discussion basic ahrs firmware for ArduIMU +v3?"Here's a good place to start:
http://code.google.com/p/ardu-imu/downloads/list"
Chris Holloway posted a discussionNo Pitch, Roll Euler values - broke IMU?
I've just noticed a problem with my V3 - the unit is not printing pitch and roll values. This is a recent occurrence, it was working fine a few days ago. I verified the behavior on the demo program.!!!VER:1.9,AN0:0.00,AN1:0.00,AN2:0.00,AN3:0.00,AN4:0.00,AN5:4096.00,RLL:0.00,PCH:0.00,YAW:-122.79,IMUH:253,MGX:-59,MGY:166,MGZ:365,MGH:-121.79,LAT:327983080,LON: 1158801730,ALT:2852,COG:284,SOG:79,FIX:1,SAT:10,TOW:233223500***I think it's broken. Anyone have any ideas?I'm using a MediaTek GPS, for…See More
Chris Holloway replied to Kevin's discussion Energy/Alt PID"I'd also love to learn about this. Where did you find this value in the code?"
Chris Holloway commented on Sam Kelly's blog post New 3D Robotics product: u-blox LEA-6H GPS"Has anyone attempted to use this unit with Ardu IMU V3? This looks like an awesome unit."
Chris Holloway replied to CK's discussion ArduIMU not recognized"Ensure that you've selected the appropriate board in your IDE. Duemilanove with ATMega 328."
Chris Holloway commented on Ravi Gaddipati's blog post Working on an IMU"Ravi, what application did you build this for? It it just for a UAV? Seems like you have a lot of horsepower there."
Chris Holloway commented on Ravi Gaddipati's blog post Working on an IMU"Ravi, this is amazing. Nice work."
Chris Holloway commented on Paul Mather's blog post ArduIMU V2 Test Application"Having issues with the GPS, I think I need to reconfigure it before it will talk to the ArduIMU board."
Chris Holloway commented on Paul Mather's blog post ArduIMU V2 Test Application"My v3+ works great but having gps issues. I think I need to reconfigure the firmware to play nicely with ArduIMU."
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- About Me:
- FA-18 and F-5N pilot. RV-4 owner. Aviation startup co-founder.
- Tell us a bit about your UAV interest
- Working on an integrated attitude, heading, and position solution for manned aircraft.
- Hometown:
- San Diego, CA
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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.A list of all T3 contests is here.
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