Bitcraze Forums

Have you tried to run cfclient as root? If you are able to connect then, it may narrow the problem down.

I had a similar problem, turns out I was missing libusb as well. The OSX homebrew installation instructions on the wiki are missing `brew install libusb`.

Did you setup the udev rules on your Ubuntu install?

So here's what I had to do on Ubuntu (after setting up the udev fix): - Verify the Crazyradio is connected by going to Help --> About --> Debug. At this point I could only see the debug connection. - Then, with the Crazyflie off, go to Crazyflie --> Bootloader --> Initiate Bootloader Cold Boot, then...

Had to run cfclient as sudo on Ubuntu to get the Crazyradio to connect. Help --> About --> Debug should show you the connection status with the Crazyradio...