Troubleshooting¶

adafruit-nrfutil not found¶

Normally needs:

pip3 install --user adafruit-nrfutil

If still not found:

ln -s ~/.local/bin/adafruit-nrfutil …arduino_path…/java/bin/

Error opening serial port: [Errno 16] Device or resource busy: '/dev/ttyACM0'¶

% sudo fuser /dev/ttyACM0 
/dev/ttyACM0:          915
% ps ax|grep 915
  915 ?        Rsl    5:34 /usr/sbin/ModemManager --filter-policy=strict
% sudo apt remove modemmanager