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Altitude hold
The Crazyflie 10DOF has a pressure sensor that can be used as an altimeter. This sensors was waiting to be used and we had many contributors implementing altitude hold/hover mode for it. We recently...
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Software releases
It’s been a long time now since we released new versions of our software. So it’s about time Crazyflie Nano Quadcopter Firmware 2013.11-beta1 (download) Bitcraze VM 0.4 (changelog) (direct download)...
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Testing ST MEMS sensors
For a while Invensense’s gyros has been the MEMS sensors to use in multirotor applications due to their good performance and vibration rejection. ST Microelectronics are also big when it comes to MEMS...
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Logging the MPU-6050 and L3GD20/LSM303DLHC
Like we wrote last week we have been working on testing ST MEMS and comparing the performance to our current MPU-6050. Last week we had the sensors in place and were flying with them, this week we...
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PlotTab and PyQtGraph
We have finally gotten around to work a bit on the PlotTab in the cfclient. It’s been kind of working for a while, but there’s been lots of bugs and missing functionality. One thing that kept us back a...
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Plotting and logging
While working on the PyQtGraph integration we have also started looking a bit more at the logging. There’s two limitations that we would like to remove. The first is that it’s only possible to plot...
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Crazyflie Nano Quadcopter stock
A quick update on the Seeedstudio stock situation. The preliminary restock date for the next batch of products is the 21st of December, just in time for Christmas This will include batteries, motors...
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Bored during the holidays? We have the solution!
With roughly one week to go until the holidays most people are still stressing about getting presents, food and trees. We have done our best to get into the holiday spirit, but December isn’t well...
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Merry Christmas!
Before it’s time for the holidays we thought that we would do a new video with a Christmas theme, showing our vision of Christmas gift delivery. For anyone that has seen the Amazon Prime Air video,...
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Trying out GPS with the Crazyflie
Before the holidays we said that we would be doing some testing with attaching a GPS receiver to the Crazyflie. For now it’s just a bit of a quick hack, but we are planning on doing more development....
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Holiday contest results
We hope everyone had a great holiday! We are really happy that some of you decided to join our holiday challenge. After looking though all of the submissions we finally decided on a result. First of...
View ArticleNew firmware/software release candidate
A while back we had a poll about when and how we should release new firmware and software. Since this we are aiming at at least doing a release every 7- 8 weeks of firmware/software that has been...
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Firmware/client release 2014.01
After a week of fixing things for the Crazyflie firmware/software RC (release candidate) we have now tagged and built the final release 2014.01 of the crazyflie PC client and firmware. Last week we...
View ArticleLogging and parameter frameworks turtorial
To show the functionality in the logging and parameter frameworks we did a video. It shows how to use the Bitcraze virtual machine to add variables and parameters to the firmware and to flash it using...
View ArticleOfficially moved to GitHub
Finally after some issues and lots of interruptions we made the move to GitHub. We will keep the BitBucket repos (but as read-only) since there’s lots of inbound links for code and issues. If you are...
View ArticleBitcraze VM 0.5 and Raspberry Pi image 0.3 released
We have released version 0.5 of the Bitcraze Virtual Machine and version 0.3 of the Raspberry Pi image. Here are some of the changes for Bitcraze VM 0.5: Upgraded all Ubuntu Packages Installed custom...
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Joining the business incubator Minc
A couple of weeks ago we moved into the Malmö based business incubator Minc. It’s a great chance to get some extra help developing Bitcraze and also to get a chance to meet people from other start-ups....
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Crazyflie with GPS, round 2
A couple of weeks ago we attached a uBlox MAX-7 GPS module to the Crazyflie (blog post). Back then it was mostly a proof of concept, all we did was to re-route the raw GPS data (in text NMEA format)...
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Brushless driver for the Crazyflie
A while ago I started working on a brushless motor control driver for the Crazyflie. I implemented most of it but did not really have time to test it. Recently we have gotten some request and questions...
View ArticleLogging and parameter frameworks tutorial continued
A while ago we posted a tutorial on how to modify the firmware to add logging/parameters and to plot/modify them from the client. We have done a continuation on this tutorial to show how to modify the...
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