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External positioning system support
We have been lucky get the opportunity to use a motion capture system from Qualisys in our flight lab. The Qualisys system is a camera based system that is using IR-cameras to track objects with...
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Release of the Loco Positioning System TDoA mode, a.k.a. Swarm mode
We have been writing a couple of times already about the new TDoA2 algorithm for the Loco Positioning System. A TDoA mode has been experimental from the day we released the LPS but we are now proud...
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Bitcraze VM and Crazyflie development environment
We just released a new version of the Bitcraze VM, version 2018.01. Nothing very new in this version, the VM has been rebuilt so that all the projects included in it are now up-to-date. This solves an...
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Multi-ranger deck update
During the fall we did two blog-posts (1, 2) about a new prototype named Obstacle Avoidance/SLAM deck, but since then it’s been a bit quiet about it. So we thought it was due for an update! First of...
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Merging Crazyswarm functionality into the official Crazyflie firmware
We have seen a big interest in flying swarms of Crazyflies and there are many challenges in doing so. The USC ACT Lab has developed Crazyswarm, a collection of software and firmware that allows to fly...
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Collaboration with Qualisys
Qualisys is a Motion Capture (Mocap) system manufacturer based in Gothenburg in Sweden. Since we are also based in Sweden, Qualisys have been able to visit us a couple of times and we now have one of...
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Collaboration with Udacity
We are excited to announce that the Crazyflie 2.0 and the STEM bundle has been chosen by Udacity for their Flying Car Nanodegree Program. For the students that want to try out their skills on a real...
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Crazyflie clients
We though we could use this Monday blog post to do a small state of the Crazyflie clients. What we call a Crazyflie client is a piece of software that connects a Crazyflie and allows to control it and...
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Android Crazyflie Client status and release
This is a guest blog post written by Fred, the maintainer of the Android Crazyflie client and Java Crazyflie lib. As a follow-up to last week’s blog post about the different Crazyflie clients, I would...
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Playing with a swarm show
We have been flying swarms in our office plenty of times. There is kind of a limitation to this though, our flying space is only around 4 x 4 meters. Flying 8 – 10 Crazyflies in this space is...
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Heterogeneous Trajectory Planning with Crazyflie and BigQuad Deck
Here at the USC ACT Lab we conduct research on coordinated multi-robot systems. One topic we are particularly interested in is coordinating teams consisting of multiple types of robots with different...
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Crazyflie and Augmented Reality
I’ve spent the last 5 years of my career at Microsoft on the team responsible for HoloLens and Windows Mixed Reality VR headsets. Typically, augmented reality applications deal with creating and...
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Multi-ranger deck update 2
It’s time for an update on the Multi-ranger deck (see previous updates here: 1, 2, 3). Back in February/March we were just about to start the production of the Multi-ranger deck when the new VL51L1 ToF...
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Work on TDoA 3 started
First of all we are happy to announce that (almost) all products have been stocked in the new warehouse and are now shipping! The last orders that were on hold are on their way out and new orders...
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TDoA 3 progress
We have now worked a few weeks on the new TDoA 3 mode for the Loco Positioning System. We are happy with the results so far and think we managed to do what we aimed for: removing the single point of...
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MoCap deck
The Crazyflie 2.0 has been flyable in MoCap systems such as Qualisys, Vicon or Optitrack for quite a while thanks to the Crazyswarm project. For the MoCap systems to be able to track the Crazyflie it...
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A[nother] french in Malmö
Malmö is known to be very beautiful in June. At least that’s what i’ve heard from the Bitcraze team when we talked about having a meet-n-geek in their offices in Sweden. I’ve been working on the...
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Lighthouse positioning for Crazyflie
A while ago we bought an HTC Vive for the Bitcraze office. This was partly for having fun with VR, but is was mostly because we had hope to use the vive tracking system with the Crazyflie. We are...
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Bitcraze at iROS 2018 in Madrid
Last week we received the visit of Wolfgang from USC, he is the creator of the Crazyswarm project. It was great to have him here at the office. One of the subject of discussion was to prepare a demo...
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Lighthouse prototype deck development
We already wrote in a previous blog post that we where working on a Lighthouse positioning receiver deck for the Crazyflie 2.0. In this post we will describe a bit what has been the development process...
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