Jan Martin
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Jan Martin's Discussions

List of IMUs available/retired/upcomming. Did I miss something?

Started this discussion. Last reply by Lyn Rees Aug 22, 2011. 1 Reply

Hi all, please help to complete this list. Available right now:Mongoose 9DoF IMU with Barometric Pressure Sensorhttp://ckdevices.comx-IMU - The Ultimate IMU/AHRS…Continue

State of IMU development?

Started this discussion. Last reply by Daniel Gru Aug 20, 2011. 1 Reply

Hi all, the ArduIMU+ V2 is sold out at the DIYdrones shop.The ArduIMU+ V2 has been discontinued without replacement at Sparkfun.The Ultimate IMU has been discontinued at Sparkfun.I think there was a…Continue

How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?

Started this discussion. Last reply by rocketbob Aug 23, 2011. 7 Replies

Hi all, I wonder if anyone managed to add a GPS receiver to theSparkfun 9 Degrees of Freedom - Razor IMU - AHRS?…Continue

Tags: GPS, sf9domahrs

huge article about FPV drones

Started Jul 1, 2011 0 Replies

Hi all, there is an article about FPV drones at the famous German news site spiegel.de: English translation by Google:…Continue

Tags: spiegel.de, drones, FPV

 

Jan Martin's Page

Latest Activity

Gary Hunkin replied to Jan Martin's discussion State of Dead Reckoning?
"The good old chinese south pointing chariot. Believe it or not most automotove dr systems now use that exact concept. The wheel abs sensors on each wheel are used to differentiate a change of coure as each wheel will give a different reading As you…"
Jan 22
Robert Stoddard replied to Jan Martin's discussion State of Dead Reckoning?
"The difficulty is the fusion of sensors.  It's easy to make a navigation system with GPS telling you where you are, but the moment you start judging your position based upon other sensors, you start accumulating error.  Allow me to…"
Nov 10, 2011
Jan Martin replied to Zeeshan Haider's discussion Best IMU unit for my Autopilot Project....
"A good new IMU is the Mongoose by http://store.ckdevices.com for 115 $US incl. shipping.   In addition to ADXL345  triple axis accelerometer, ITG-3200 triple axis gyroscope, HMC5883L triple axis magnetometer it has a BMP085 barometric…"
Aug 27, 2011
rocketbob replied to Jan Martin's discussion How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?
"I'm attempting to use the Sparkfun 9DOF AHRS in a real aircraft using the sf9domahrs code running on the IMU.  With the AHRS taped to the top of the instrument panel, I am getting inaccurate pitch and roll data however everything works…"
Aug 23, 2011
Lyn Rees replied to Jan Martin's discussion List of IMUs available/retired/upcomming. Did I miss something?
"Hi Jan. I find myself in a position of being down to 1 ArduIMU and I would like to continue using the legacy Ardupilot. Thanks for the update as to available IMU's. The Mongoose looks like an alternative."
Aug 22, 2011
Daniel Gru replied to Jan Martin's discussion State of IMU development?
"Everyone uses Ardupilot Mega and the Oilpan IMU on top of it.The old Ardupilots aren't really being actively continued.Regards Daniel"
Aug 20, 2011
Jan Martin posted discussions
Aug 19, 2011
Jan Martin replied to James Carter's discussion Collecting data for new IMU Design
"James,   seems you are not even sure if is this going to be a AHRS or just a breakout board for a couple of sensors?   If I were you, I would do some research, then compare features of existing and upcoming IMUs, and then think about what…"
Aug 15, 2011
Jan Martin replied to Brian's discussion ArduPilot with Non-ArduIMU
"I think the may difference is that the ArduIMU+ has a processor and runs a DCM filter to process it's sensors raw data. While your Sparkfun 9DOF Sensor stick is a breakout board for three sensors only. No processing of the raw sensor data at…"
Jul 16, 2011
Michael Zaffuto replied to Jan Martin's discussion How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?
"Adding the GPS parser/output code to this library example is possible as well:   This file provides the needed library for all of the sensors, especially the ITG3200 on the…"
Jul 8, 2011
Michael Zaffuto replied to Jan Martin's discussion How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?
"Jani's approach is fine . . . as long as you are using a GPS that doesn't require initialization.   The MediaTek MT3229: http://store.diydrones.com/MediaTek_MT3329_GPS_10Hz_Adapter_Basic_p/mt3329-02.htm   comes pre-configured,…"
Jul 7, 2011
Jan Martin replied to Jan Martin's discussion How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?
"Michael,   I have to many boards in my project already, and need to avoid adding more. What do you think of Jani's approach? Do you think it could work?   Thanks, Jan"
Jul 7, 2011
Jan Martin replied to Jan Martin's discussion How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?
"Jani,   sounds easy to do. Should it really be that simple to achieve?   My initial idea was to edit the AHRS code to read the data from the GPS, then add it to the IMU data, and then output it as it's done with the IMU data. Way more…"
Jul 7, 2011
Michael Zaffuto replied to Jan Martin's discussion How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?
"The GPS model you are planning to use may have an impact on the most suitable connection in regards to direct compatibility with the existing parsers available in the libraries.  In order to use gps units that require initialization, such as…"
Jul 7, 2011

JDronesJani Hirvinen replied to Jan Martin's discussion How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?
"Sure you can connect your GPS to it. Razor board have 1 uart port so to connect GPS you need to piggyback on it. Just connect your GND/TX from GPS to Razors GND and RX pins. Make sure that all serials are on same speed and voila, gps data starts to…"
Jul 7, 2011
Jan Martin posted a discussion

How to add a GPS receiver to the 9 Degrees of Freedom - Razor IMU - AHRS?

Hi all, I wonder if anyone managed to add a GPS receiver to theSparkfun 9 Degrees of Freedom - Razor IMU - AHRS?http://www.sparkfun.com/products/10125 According to the comments athttp://www.sparkfun.com/products/9623this should be possible. If so, how?I like to have the GPS data available with the rest of the IMU data. Also I couldn't find any contact data at…See More
Jul 7, 2011
7 Comments

Profile Information

About Me:
I do streetview panoramic images.
Tell us a bit about your UAV interest
http://www.diy-streetview.org
Hometown:
Franfurt am Main

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