Bot Thoughts
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Magnetometer Soft- and Hard-Iron Calibration

Started this discussion. Last reply by Nina May 7. 25 Replies

I'm using an LSM303DLM on a Pololu MinIMU-9 board as part of an AHRS. The software is ported to mbed from Pololu's example code which is in turn ported from ArduPilot 1.5. But that's no what this is…Continue

Tags: compass, hard-iron, soft-iron, calibration, magnetometer

What UGV Ground Control Station do you use?

Started this discussion. Last reply by Bot Thoughts Jun 27, 2012. 3 Replies

What ground control station do you use for your unmanned/autonomous ground vehicle? What customizations have you made? Reason I ask... I am contemplating a GCS for Data Bus my Sparkfun AVC entry.…Continue

Tags: station, control, ground, GCS

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Latest Activity

Nina replied to Bot Thoughts's discussion Magnetometer Soft- and Hard-Iron Calibration
"Hi! This really is a great discussion. For me, it has been really useful and informative.  Still, I am struggling with something. I am using MPU-9150 and I have used an algorithm quite similar to Yury Petrov's Ellipsoid_fit.…"
May 7
Simon Wood commented on Bot Thoughts's blog post OpenMV Cam on KS
"I'd just use libDTMX, plus it has python bindings if you want to use that. Example usage: https://sourceforge.net/projects/pydmscanner/ Simon "
Feb 12
Bot Thoughts commented on Bot Thoughts's blog post OpenMV Cam on KS
"@unnamed idea - OpenCV is a bit heavyweight for an embedded processor like a Cortex M4F."
Feb 12
Bot Thoughts commented on Bot Thoughts's blog post OpenMV Cam on KS
"@Simon, that sounds really interesting. I'm guessing, yeah, we'd need to write some code to recognize specific markers unless there's some way to use FAST/FREAK to do it. "
Feb 12
Simon Wood commented on Bot Thoughts's blog post OpenMV Cam on KS
"I'm very excited to see this project hit kick-starter, it's going to be so useful for many projects. One idea I have (if anybody would like to collaborate) is to use the optical tracking (of barcode like markers) to provide yaw…"
Feb 6
Jake Stew commented on Bot Thoughts's blog post OpenMV Cam on KS
"SAR = Synthetic Aperture Radar Search and Rescue = S&R I'll let you off this time, but don't let it happen again."
Feb 2
unnamed idea commented on Bot Thoughts's blog post OpenMV Cam on KS
"Hey Bob, good luck with the campain. I have a question (I'm not familiar with cortex family) : can we install and use openCV with your module/ software architecture? and one more: if so, why dont you use openCV by default? thanks"
Jan 29
Bot Thoughts commented on Bot Thoughts's blog post OpenMV Cam on KS
"Thanks all for the support, everyone! Let me answer a few questions... @Mark: Frame rate varies depending on what it's doing and what the resolution is. We'll get some more performance figures posted. We don't have a video out pin but…"
Jan 29

Developer
Sandro Benigno commented on Bot Thoughts's blog post OpenMV Cam on KS
"Niiice... backed! =)"
Jan 29
Patrick John Joesph Green commented on Bot Thoughts's blog post OpenMV Cam on KS
"So all in all. We use to use up to 32 different sensor out there, but now with high speed processing, a study of a picture eliminates the need for most of these sensors. and with the code been available at open source level. I have been watching for…"
Jan 28
Euan Ramsay commented on Bot Thoughts's blog post OpenMV Cam on KS
"Jake - SAR = Search and Rescue."
Jan 28
Jake Stew commented on Bot Thoughts's blog post OpenMV Cam on KS
"> For SAR application, it's useful to be able to scan for particular colours and textures. SAR can't see colors.  This thread is about a visible light camera, not radar."
Jan 28
HyperGuy commented on Bot Thoughts's blog post OpenMV Cam on KS
"I backed it! Great work. Need more backers though :)"
Jan 27
Euan Ramsay commented on Bot Thoughts's blog post OpenMV Cam on KS
"A great application comes to mind. For SAR application, it's useful to be able to scan for particular colours and textures. Is it possible to "train" the camera to search for a specific colour, by lettin it "sniff" the…"
Jan 27
Tiziano Fiorenzani commented on Bot Thoughts's blog post OpenMV Cam on KS
"Great, I can't wait to see it in action!"
Jan 27
Euan Ramsay commented on Bot Thoughts's blog post OpenMV Cam on KS
"Backed! Not a huge python programmer, so hoping to leech some non-pattern detection code :-) I'm planning to use it in a SAR context, to try and make real-time target detection easier."
Jan 27

Profile Information

About Me:
I'm a nerd and as such, I'm interested in robotics, electronics, information security, photography and Full Size Jeeps.
Please tell us a bit about your UAV interest
Primarily kindled by the Sparkfun AVC. I entered a ground vehicle in 2011 but was curious to play with UAVs.
Hometown:
Centennial, CO

Bot Thoughts's Blog

OpenMV Cam on KS

Posted on January 26, 2015 at 12:30pm 25 Comments

Hey all, remember OpenMV Cam? It's the machine vision module that runs Python.

Well, we finally launched it on Kickstarter http://bit.ly/openmvcam. It does color tracking, object tracking, records movies and photos, too. All scriptable with Python. And…

Continue

IMUduino - 10DoF over Bluetooth Low Energy - 3 days left

Posted on November 3, 2014 at 3:26pm 10 Comments

IMUdino on Kickstarter -- a really tiny 10DOF IMU with Bluetooth. It was covered by Atmel blog.

The Kickstarter has 3 days…

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Give All the Robots Eyes to See! OpenMV.

Posted on February 17, 2014 at 9:17am 12 Comments

The OpenMV camera module will be the lowest cost, most hackable machine vision platform out there, because Ibrahim,…

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Tindie Cyber Monday Sale

Posted on December 2, 2013 at 1:43pm 1 Comment

RoverMux R/C multiplexer is on sale for only $6 (buy here, coupon code EB024FC) on Tindie

There are 100+ additional items from many other makers on sale at Tinde today.…

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