I am able to scan for all available bluetooth devices with hcitool or with my C program. I can pair the device using it's address with a simple-agent python script. I would like to know if I can ...

While using interactively bluetoothctl, it constantly reports about RSSI changes from neighbor devices. That's pretty anoying most of the time, as I do not care of the RSSI from my colleague's iMac...

I am trying to live-capture the bluetooth traffic sent from my Samsung A51 on Android 10: Bluetooth HCI snoop log is enabled on the phone and I toggled bluetooth after enabling. I am able to downl...

I am using QN9021 SoC working in controller mode (BLE Bluetooth core specification v4.0). It supports some standard HCI commands as well as some vendor specific commands. I am trying to attach it i...

How do I grep the output of 'hcitool lescan' or for that matter pipe it to anything. It seems when I pipe anything from 'hcitool lescan' I get no output. root@edison:/mnt/rtd# hcitool lescan |grep...

I need to control an HCI device directly without the Linux drivers/kernel interfering. For example, when creating an LE connection to a peripheral, the driver is independently sending an "LE Connec...

There is a well known blog post going around on how to set a usb bluetooth 4 dongle to be an iBeacon. It boils down to this magical command: sudo hcitool -i hci0 cmd 0x08 0x0008 1e 02 01 1a 1a ff ...

Q1. Is there a connection limit for BLE Central Device while connecting to BLE peripherals using BlueZ 5.34? My question is for general connection capabilities using BlueZ not white list. Q2. If...

I'm running RPi with a USB Bluetooth dongle. When I use hcitool, I can discover the SmartTag device. But when I use gatttool, I cannot connect. It says "Host is down (112)". Here are my commands: ...

I'm doing some work on key press handing in a firmware project. I've been googling to try to find what the typical duration of a key press is, particularly the minimum for a fast typist. Surprising...

I am new to the Bluetooth system and I am trying to understand the data used for the new Apple's technology : iBeacon. There is already some nice answers which explain how it works and I have been...