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- Nov 01, 2018 Bluetooth GATT SDK for Python. Contribute to getsenic/gatt-python development by creating an account on GitHub. Bluetooth GATT SDK for Python. Contribute to getsenic/gatt-python development by creating an account on GitHub. Currently Linux is the only platform supported by this library. Unlike other libraries this GATT SDK is based directly.
- Dec 03, 2018 Python module for interfacing with BLE devices through Bluez.
- Jul 18, 2019 BlueST SDK. BlueST SDK is a multi-platform library (Android, iOS, and Linux supported) that allows easy access to the data exported by a Bluetooth Low Energy (BLE) device that implements the BlueST Protocol.Documentation. Documentation can be found here. This version of the SDK is compatible with Python 3.5 and runs on a Linux system.
So you've got a Bluefruit LE device that's ready to be the next awesome wireless IoT gadget, but how do you actually talk to it from your computer? The Bluefruit LE Python library is just what you need to write code that reads and writes data with a Bluefruit LE device! This Python library allows you to write simple code to talk to a Bluefruit LE UART from a Mac OSX computer or Linux machine, like a Raspberry Pi. This library is great for logging sensor data, controlling your device, and much more through the wireless magic of Bluetooth low energy!
To use this library you'll need to be running a Mac OSX or Linux machine with a Bluetooth 4.0 low energy adapter. Sorry Windows is not yet supported because Bluetooth low energy support is still a little bit too new to the platform (only the very latest Windows 10 release exposes enough BLE APIs to completely control a device). In the future Windows support might be added, but for now stick with a Linux machine, like a Raspberry Pi, or a Mac OSX desktop/laptop.
Python Bluetooth LE (Low Energy) and GATT Library. The primary API for users of this library is provided by pygatt.BLEBackend and pygatt.BLEDevice.After initializing an instance of the preferred backend (available implementations are found in pygatt.backends, use the BLEBackend.connect method to connect to a device and get an instance of BLEDevice. This Python library allows you to write simple code to talk to a Bluefruit LE UART from a Mac OSX computer or Linux machine, like a Raspberry Pi. This library is great for logging sensor data, controlling your device, and much more through the wireless magic of Bluetooth low energy!
You'll also want to be somewhat familiar with the Python programming language and Bluetooth low energy. The Hitchhiker's Guide to Python has a great learning python section with links to books and free resources for learning the language. For Bluetooth low energy be sure to read this excellent intro guide and even consider picking up a book on the topic.
When you're ready continue on to learn about what hardware you'll need to use the Bluefruit LE Python library.
This guide was first published on Aug 18, 2015. It was lastupdated on Aug 18, 2015.This page (Overview) was last updated on Apr 10, 2020.COMMUNICATION WITH BLUETOOTH
The source code of all examples can be downloaded from here. |
Data transmission with Bluetooth |
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For data exchange between two Raspberry Pi's or a Raspberry Pi and a computer or smartphone, the Bluetooth protocol is often a good choice. It may be simpler than using TCP/ IP, because no TCP-network (WLAN, router) is needed. Some application proposals are:
The latest version of the NOOPs distribution supports the built-in Bluetooth chip of the Raspberry model 3 and of the Raspberry ZeroW as well as most USB Bluetooth dongles on the Raspberry Pi model 2. The current version of the RaspiBrick firmware downloaded from here is based on this operating system version. On startup, Bluetooth is activated and placed in Discovery Mode. An external device recognizes the Raspberry Pi with the Bluetooth friendly name raspberrypi and can pair without authentication. On the other hand, the Raspberry Pi can connect itself to a visible external Bluetooth device without pairing. As with TCP/IP, data transmission is performed using the client/server technology. It is important to know that the communication partners, the server and client are not symmetric. First the server program has to be started and only then a client can establish a connection. Python 2.7 Bluetooth library (inkl Doc), Doc online |
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Experiment 1: Bluetooth Echo Client/Server |
Aim: Program at the Raspberry Pi:[►] Highlight program codeRemarks: Program:[►] Highlight program codeRemarks: Performing search for service name EchoServer Instead of searching with the given Bluetooth service name, the Bluetooth server name can be used: client.findServer('raspberrypi', 20) If the Bluetooth MAC address is known (e.g. by a previous Bluetooth search result), the serverInfo can be hard-coded: serverInfo = ('B8:27:EB:04:A6:7E', 1) Mac user library folder missing. This greatly decreases the connection delay. |
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Experiment 2: Remote-Guided Rover |
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Aim: Program at the Raspberry Pi:[►] Highlight program codeRemarks: Program:[►] Highlight program codeRemarks: |
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Experiment 3: Speed control with Android app |
Aim: Program at the Raspberry Pi:[►] Highlight program codeRemarks: Open source in Online-Compiler. Program:[►] Highlight program codeRemarks: |