The hacker's BLE (bluetooth low energy) browser terminal app

Related tags

Command-line browser bluetooth tui tui-rs diy-electronics
Overview

blendr

Mood: Blue Crates.io (version) Crates.io

Blendr is a terminal UI app for browsing BLE (Bluetooth Low Energy) devices. It allows you to inspect, search, connect, and analyze data coming from BLE devices directly from your terminal.

It was designed for day-to-day use by BLE engineers so the core features are useful search, direct connection to any characteristic and device with one command, and displaying your custom services names in the UI. Learn more

demo

And it's just perfect to hack your neighbor's toothbrush 😉

Installation

Cargo cli

cargo install blendr

For Unix OS you can run the following, it will install the binary for your system and provide man reference.

curl --proto '=https' --tlsv1.2 -sLSf "https://github.com/dmtrKovalenko/blendr/blob/main/install.sh?raw=true" | sh

For windows, it is required to download and run binary executable directly. Open latest release page and download binary executable for your OS

Prerequisits

MacOS

To use Bluetooth on MacOS Big Sur (11) or later, you need to either package your binary into an application bundle with an Info.plist including NSBluetoothAlwaysUsageDescription, or (for a command-line application such as the examples included with btleplug) enable the Bluetooth permission for your terminal. You can do the latter by going to System Preferences → Security & Privacy → Privacy → Bluetooth, clicking the '+' button, and selecting 'Terminal' (or iTerm or whichever terminal application you use).

Bluetooth settings screenshot

Usage

Get the help information with either man blendr or blendr --help it will print all the available options and characteristics. To get started and learn about the biggest features watch this 2 minutes demo:

video preview

License

This project is licensed under the terms of BSD-3-Clause license

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Comments
  • Cargo.toml: Link to repository

    Cargo.toml: Link to repository

    The lack of this metadatum means that users coming from crates.io need to go through heuristics ("the LICENSE file is there, probably also the rest of the project" or "artifacts are stored there, so the implied GitHub project is probably the project's repo") instead of just clicking a link.

    opened by chrysn 0
  • A list of issues from a test drive

    A list of issues from a test drive

    This looks like exactly what I needed for a new BLE MCU project I'm developing so fortuitous timing in your release. Testing this out on Windows 10 (terminal didn't matter. Tested with Windows terminal (wt) + powershell 7, wt + windows powershell, wt + cmd, powershell 7 on default host console), I found a couple of immediate issues

    Duplicated key presses

    All inputs are being duplicated / reacted to twice. Filtering Example (typed /test) image This is also present using the arrow keys to navigate the device list so trying to select a device can be very frustrating

    Pairing

    The device I'm working with requires that the connection is encrypted and blendr (seemingly) doesn't even try to pair. This results in a failed connection which is also not visible inside blendr. It just permanently shows image At the very least "Just Works" pairing would be enough for early dev but support for the full set would be great https://www.bluetooth.com/blog/bluetooth-pairing-part-4/

    Device list re- sorting during scan

    During a scan, devices in the discovered list move. This makes connecting to the right one in a busy BLE environment extremely difficult (I have >50 devices in range)

    u and r keys don't appear to work

    Potentially this is related to the duplicated input, but right now "Hide unknown" and "restart scan" don't appear to do anything

    "Unknown device"

    Currently "unknown device" has no identity information. I have a couple of devices that are only identified by the fixed 48-bit MAC address. They're not standards compliant in any way, they're just known test addresses in my "lab" for running on device BLE checks against.

    Would be good to be able to filter by MAC as well as displaying it. Some of my devices have duplicate names (for... reasons)

    Characteristic Notification/Indication history

    I haven't got this far yet (see pairing) and this is a bit of a wishlist item, but one thing I would really like to have is a log of (multiple) characteristic notifications. Several sensors I use transmit updates at a moderate frequency via notifications and being able to observe/record the history would be great

    opened by Crzyrndm 8
Owner
Dmitriy Kovalenko
Typed JavaScript and quality software fanatic. Reasonml and OCaml evangelist. Testing quality consultant. |> Making bugs for open source since 2016 😕
Dmitriy Kovalenko
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