MCU Vietnam - BlueZ 5.39 BLE setup on the Raspberry Pi sudo apt-get update sudo apt-get install git build-essential autoconf cmake libtool libglib2.0 libdbus-1-dev libudev-dev libical-dev libreadline-dev wget http://www.kernel.org/pub/linux/bluetooth ...
![Keep getting this error (dbus.exceptions.DBusException: org.bluez.Error.Failed: Protocol not available) when trying to connect some Bluetooth controllers. I have ERTM disabled. How can I fix it? : r/RetroPie Keep getting this error (dbus.exceptions.DBusException: org.bluez.Error.Failed: Protocol not available) when trying to connect some Bluetooth controllers. I have ERTM disabled. How can I fix it? : r/RetroPie](https://i.redd.it/c5cm4cdut0j61.jpg)