All Questions
40
questions
-1
votes
1
answer
28
views
Unable to use UART and Bluetooth in RPi3 with audio output simulatneously
I am using Rpi 3b+ and I am trying to use the Bluetooth and UART simultaneously.
with ls -l /dev:
Serial 0 - ttyAMA0
Serial 1 - ttyS0
I had to use the UART (for reading coordinates in GPS) and ...
- 1
0
votes
0
answers
43
views
BlueDot Serial Bluetooth server for OBD
I am building an OBD Raspberry PI car dashboard and I've been struggling to get the adapter to connect and send info. I recently learned that the rfcomm support was dropped years ago by bluez and was ...
- 1
0
votes
0
answers
45
views
OBD Raspberry Pi bluetooth and serial connections issues
So I've been trying to get my digital dashboard code working and I have to connect to the OBD plug to the Pi but ive run into a plethora of issues since then. The first time I did it, the OBD device ...
- 1
-1
votes
1
answer
1k
views
How to enable serial communication on Pi 4 using BookWorm OS?
Raspberry Pi 4 and Latest Raspbian Bookworm OS.
I want to have Pi 4 communicate over serial connection using GPIO14 (BCM) and GPIO15 (BCM) or UART TX and UART RX.
I have followed the same setups that ...
- 1,063
0
votes
0
answers
688
views
Bluetooth serial connection between Pi and MacOS Monterey on M1 Macbook both with builtin bluetooth
How do I connect a Raspberry Pi 4 Model B Rev 1 to an M1 Macbook Pro 16" using rfcomm over a Bluetooth connection?
I'm able to connect the devices via Bluetooth but then not over the Bluetooth ...
0
votes
1
answer
1k
views
Serial Communication Between Windows and RPi Over Bluetooth
I have tried following a lot of posts online, but I could still not solve my issue.
I want to instantiate serial communication between my RPi and my Windows 11 computer.
Currently, I have connected ...
- 129
2
votes
0
answers
320
views
Bluetooth device connection lost after a second
With the Raspberry Pi 3B i was able to succesfully pair and connect a Barcodescanner (OPN2006). For this, I used the following code:
pi@raspberrypi:~ $ bluetoothctl
Agent registered
[bluetooth]# power ...
1
vote
2
answers
5k
views
How to best handle Raspberry Pi 4 and Smartphone connection over Bluetooth and Python
I would like to accomplish the following task:
Interact via a python script with my Raspberry Pi and a Smartphone. For me it doesn't matter so much whether to use Classic Bluetooth or BLE but for user ...
- 197
1
vote
1
answer
316
views
How to open a window with the output of a sensor connected via Bluetooth serial port with Python? [closed]
I connected 3 sensors via Bluetooth serial port to a Raspberry Pi 4 with the following Python program:
import socket
serverMACAddress1 = 'XX:XX:XX:XX:XX:XX'
serverMACAddress2 = 'XX:XX:XX:XX:XX:XX'
...
- 37
0
votes
1
answer
5k
views
Connecting Various Devices Using Bluetooth as Serial Port
I managed to connect a sensor via Bluetooth to a serial port on the Raspberry Pi 4 by doing the following:
First, I added the SP profile to the Raspberry by opening and editing the following file:
...
- 37
0
votes
1
answer
768
views
Serial communication with arduino over bluetooth
I am using rfcomm to connect to an Arduino nano (HC-06 bluetooth module) from my RPI 4B+. It works flawlessly and the two devices are able to communicate with no issues. I need to be able to connect ...
- 111
1
vote
1
answer
146
views
Using Serial and Bluetooth device (external device) same time especially for using external BT dongle
I want to use Serial and BT same time on RPi 4B (Python)
I thought I cannot use it so I attached usb blutooth dongle (CSR4.0?) on it.
But I only can find references on the net using default BT when I ...
- 11
0
votes
0
answers
2k
views
"Hciuart.service dependency failed", Timed out waiting for device /dev/serial1
I have the following problem:
Since I wanted to use the integrated Bluetooth module on my Raspberry Pie 3 B+, I come across the following problem:
Hciuart.service: Job hciuart.service/start failed ...
0
votes
0
answers
2k
views
Bluetooth hci0 device suddenly missing on 4B
After a recent reboot of my 4B I noticed that my bluetooth connections had stopped working. I noticed that bluetoothctl reported no device, and further that sudo hciconfig hci0 up indicates Can't get ...
- 109
0
votes
2
answers
248
views
How to enable BlueTooth when TX/RX already being used
We have the TX/RX Gpio already being used on the Raspberry Pi 3B+ . I believe the onboard Bluetooth uses the same ? How can I get bluetooth working when our TX/RX is already being used.
Right now I'...
- 1