4/28/2023 0 Comments Ho sposato pablo escobar epub pdfI also tried to use another device, hci1 instead of hci0, and it says: "Can't connect RFCOMM socket: Host is down". I tried to use channel 2 by adding a 2 to the prior line (I don't know if this makes sense) and it didn't work either ("Can't create RFCOMM TTY: Address already in use".) I guess the problem might be with the hci0 but I'm not sure, as I don't completely understand what that is. The error is: "Can't create RFCOMM TTY: Address already in use" I managed to pair and trust the new sensor but when I execute the folling line it gives me an error: sudo rfcomm connect hci0 This worked fine, but now I want to connect another sensor to a different serial port (an eventually a third sensor), so that I can simultanously see the data the two sensors are sending on two different minicom windows. This connected the device, and then I opened a minicom window to see the data the sensor was sending by entering: minicom -b 9600 -o -D /dev/rfcomm0 On a different terminal window, I entered: sudo rfcomm connect hci0 Then I paired and connected entering the following on the terminal: bluetoothctl I added the compatibility flag -C and a new line to add the SP profile lines: ExecStart=/usr/lib/bluetooth/bluetoothd -C I managed to connect a sensor via Bluetooth to a serial port on the Raspberry Pi 4 by doing the following:įirst, I added the SP profile to the Raspberry by opening and editing the following file: sudo nano /etc/systemd/system/
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