sudo chmod a+rw /dev/ttyACM0
(echo '# DFU (Internal bootloader for STM32 MCUs)'
echo 'SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", MODE="0664", GROUP="plugdev"') | sudo tee /etc/udev/rules.d/45-stdfu-permissions.rules > /dev/null
