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New firmware release
We are happy to annouce that we have released a new version of the Crazyflie firmware, version 2020.09. It is available for download from Github. The new firmware solves an old compatibility issue...
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New client and python lib release
Following firmware releases we have now released a new version for the Crazyflie client and python lib (cflib). It took a bit more time to test and fix various last minute bugs but we now have...
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µSD-card logging with flow and loco deck finally solved
For a long time issue #270 has been bugging us. It caused the µSD-card logging to fail in combination when using either the flow or loco deck, or actually any deck that uses the deck SPI bus. Several...
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Bitcraze is going Online!
During the summer we were discusses at the office of what would be a good substitute of us not being able to go to conferences or fairs anymore (see this blogpost). We sparred with a few ideas,...
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Lighthouse calibration progress
We’re happy to announce that we have taken an important step forward in the development of the lighthouse positioning system, we have improved the calibration compensation. The changes improves the...
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Testing Crazyflie Bolt and 1 cell Li-Ion
Li-Ion batteries have packed more energy per gram for a long time compared to Li-Po batteries. The problem for UAV applications has been that Li-Ion can’t deliver enough current, something that is...
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Improved app API
As mentioned in this blog post, we added the possibility to write apps for the Crazyflie firmware a while ago. Now we have added more functions in the Firmware to make it possible to use apps for an...
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Tutorial Recap and Community
Last Wednesday we had our first live tutorial event, explaining our Spiral Swarm Demo that we usually show at conferences. About 60 people signed up and it seems that we have about 40-50 people that...
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An Efficient Real-Time NMPC for Quadrotor Position Control under...
This week we have a guest blog post from Bárbara Barros Carlos, PhD candidate at DIAG Robotics Lab. Enjoy! Quadrotors are characterized by their underactuation, nonlinearities, bounded inputs, and, in...
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Crazyflie + Skybrush integration for indoor drone shows
This week we have a guest blog post from CollMot about their work to integrate the Crazyflie with Skybrush. We are happy that they have used the app API that we wrote about a couple of weeks ago, to...
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The Hyper Demo
This autumn when we had our quarterly planing meeting, it was obvious that there would not be any conferences this year like other years. This meant we would not meet you, our users and hear about...
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Happy Holidays!
It’s that time of the year again ! As the days get darker and darker here in Sweden, we’re happy to getting some time off to share some warmth with our families. And to kick off the holiday season, we...
View ArticleGoodbye, 2020!
2020 was not an ordinary year, and through its different roller coaster motions, we’re proud of what we’ve accomplished. As 2021 grows nearer, it’s time to look back at this year and appreciate our...
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Expectations on 2021
With the raging pandemic in the world, 2021 will most likely not be an ordinary year. Not that any year in the Bitcraze universe has been boring and without excitement so far, but it is unusually hard...
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New storage subsystem and new CI
Storage is one of these very simple functionality that actually ends up being quite hard to implement properly. It is also one of these functionality that is never acutely needed, it is possible to...
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AI-deck product update
It has been a while since we have done an update on the AI-deck! However, as announced in the New Year post, we do have some important changes coming up for the next batch of production. These changes...
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Release 2021.01 available for download
We’re happy to announce the availability of the 2021.01 release! The release includes the Crazyflie firmware (2021.01), the python library (0.1.13.1) and the python client (2021.1). The firmware...
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Experimental battery testing feature
The lithium polymer battery we use, as with basically all rechargeable batteries, suffers from degradation. That means that when using it, and as time goes by, its energy capacity as well as...
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Hardware emulation thesis
Hi! Since the middle of January, Bitcraze has had two additional guests: us! We, Josefine & Max, are currently doing our master thesis at Bitcraze during our final semester at LTH. Unfortunately,...
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Communication Reliability
Communicating with your Crazyflie is an important pillar for its operation. As more robots are controlled, the reliability of this communication link becomes more and more important, as the...
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