Multiranger and STEM ranging bundle now available

We’re happy to announce that the Multiranger and the STEM ranging bundle are now available! The Multiranger deck gives lots of exciting new possibilities when it comes to navigation and classroom activities. One of the features is that you can work with the Crazyflie more without getting into the hardcore control algorithms. Some ideas we’ve had are:

  • Working on algorithms for autonomously driving obstacle courses
  • Scanning rooms and environments and mapping them out (like below)
  • Creating fun applications like airhocky or ping ping where you can play around with the Crazyflie

We’re still working on a nice video for presenting the product (like the STEM bundle video) but until it’s finished here’s a screenshot of using the STEM ranging bundle to map out a small course.

If you want to try out some of the Multiranger deck demos they are available in the example directory of the crazyflie-lib-python project (note they require the Flow deck as well):

  • multiranger_push.py: When the application in launched the Crazyflie will take off and hover. If anything is getting close to the right/left/front/back sensors the Crazyflie will move in the opposite direction. 
  • multiranger_pointcloud.py: When the application is launched the Crazyflie will take off, hover and a 3D-plot will be shown of what is detected by the Multiranger deck sensors. By default the left/right/front/back/up sensors will be plotted, but you can also add the Crazyflie position and the down sensor if you like. The Crazyflie can be moved around by using the arrow keys on the keyboard and w/s for up/down and a/d for rotating CCW/CW. For more info see the documentation in the example.

If you have any other ideas that might be cool to try, make sure to leave them in the comments below!

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