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Adafruit 2267 - Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822
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Description
The Bluefruit LE Friend is your new BLE BFF! This USB-to-BLE board makes it easy to get your computer talking to your BLE enabled phone or tablet using a standard serial/UART connection.
In its simplest form, it works on the same principle as a common USB/Serial adapter (the FTDI Friend, for example!). Any data that you enter via your favorite terminal emulator on your development machine will be transferred over the air to the connected phone or tablet, and vice versa, as a basic UART connection
The short and sweet:
The details:
You might be asking, Hey my macbook already has Bluetooth and I can get a USB Bluetooth adapter, so why use this? Good question! You can get a Bluetooth 4.0 USB dongle from the store already, but Windows 7 doesnt support Bluetooth Low Energy natively, and on Win8 or OS X youll have to sort through a huge pile of native Bluetooth APIs and development tools that often require an annual paid license and specific license terms to access. You cant just connect wirelessly without a huge stack of software or firmware in the way because there isnt a standard, open source, cross-platform way to talk BLE today.
The Bluefruit Friend is much more, it has a full BLE peripheral stack and interface software so that you can treat your BLE connection just like a UART connection - that makes it trivial to use with free Terminal software or scripting software like python (with pySerial). Using Bluefruit LE Friend, you can be up and running in under and hour on just about anything with a USB port, with easy migration across platforms and operating systems.
To use, simply plug into your computer and flip the switch to either UART mode (transparent data transfer, anything you type will be sent, and data from phone is received as well) or CoMmanD mode, where thanks to an easy to learn AT command set, you can also create you own basic GATT Services and Characteristics, simulate Beacons, and change the way that the device name appears/advertises itself.
To make sure that your device stays up to date and can benefit from the latest Bluefruit LE firmware from Adafruit, you can also update the firmware on your BLEFriend over the air using any BLE-supported iOS or Android device. We always try to keep the bar as high as possible at Adafruit, and one of the biggest advantages of the BLEFriend and the entire Bluefruit LE family is that we wrote and maintain all of the firmware running on the devices ourelves from scratch and well be releasing new firmware and bug fixes without having to rely on a third-party vendor. For super-advanced users, we have an SWD connector on board that can be used to reprogram the nrf51822 using Nordics SDK and an SWD debugger like the J-Link.
You can even pick up a sniffer edition of the board that comes pre-flashed with special firmware that turns your BLEFriend into a low cost Bluetooth Low Energy sniffer, capturing data and pushing it out to Wireshark. This firmware takes over the entire module so you cannot use the over-the-air programming ability, a J-Link programmer is required. We currently offer this as a separate product since not everyone has a J-Link.
We have a huge tutorial with all the details over at the Adafruit Learning System!
Technical Details
See also
UART converter - USB based on the FT232RL system with TX, RX, RTS and CTS lines led out to the goldpin female connector. It uses a mini USB connector. Adafruit 284
Adafruit 2269 - Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0
Adafruit 2094 - JTAG (2x10 2.54mm) to SWD (2x5 1.27mm) Cable Adapter Board
10-core tape with a length of 20 cm with IDC10 female connectors with a 1.27mm pitch. This cable can be used to connect a programmer with modules with a 2x5 pin connector in a 1.27 mm pitch (eg in the Bluefruit LE Friend module)
The BLE 4.0 Bluetooth module with the CC2541 system has an integrated PCB antenna and an extensive AES security system. Thanks to the built-in system CC2541 from Texas Instruments, it is possible to create a project without the use of an additional microcontroller. modCC2541
KAmodBT-HC05 is a Bluetooth module configured via AT commands. It has integrated LEDs indicating operating mode and connection status with the paired device, as well as a logic level translator on UART lines. KAmodBT-HC05
Bluetooth 4.0 dongle as a USB adapter. Works with bluetooth devices such as speakers, headsets, smartphones, tablets, keyboards, mice, printers, projectors etc.
No product available!
Bluetooth Low Energy module based on the nRF52832 microcontroller. It offers GPIO, SPI, UART, I2C, I2S, PWM, ADC and NFC interfaces for connecting peripherals and sensors. The module is characterized by a compact size. Adafruit 4077
Development board with LoRa Semtech SX1262 module and Apollo 3 Bluetooth 5 integrated in the NM180100 chip. It supports the 868 MHz and 915 MHz bands and Bluetooth Low Energy. It is compatible with the Qwicc system. SparkFun 17506
No product available!
A compact development board that uses the ESP32-PICO-MINI chip. It provides wireless communication via Bluetooth and serves as an easy-to-configure UART converter. It has a built-in PCB antenna. SparkFun WRL-23287
WiFi/BLE module that supports both the 2.4 GHz and 5 GHz WiFi bands, as well as Bluetooth Low Energy (BLE 4.2) communication. It has a u.FL connector dedicated to connecting an external antenna and a connector with a 2.54 mm pitch, which greatly facilitates prototyping. Tibbo WA2000U
Low Energy Bluetooth adapter module with USB 2.0 connector. allows communication with BLE devices
Bluetooth audio receiver module enclosed in a housing that enables wireless transmission of sounds. It is equipped with a PCB antenna, microphone, 3.5 mm audio jack and control buttons
A module with a USB connector that supports WiFi communication (two frequency bands 2.4GHz and 5GHz) and Bluetooth 2.1/3.0/4.2. Dedicated to Odroid minicomputers. Odroid WiFi Module 5BK
2.4 GHz Bluetooth 4.0 communication module, based on the nRF51822 system. Designed for applications with low energy consumption.
The BLE 4.0 Bluetooth module with CC2540 allows for transmission in both Slave and Master modes. It has an integrated PCB antenna and an extensive security system. modCC2540
No product available!
Bluetooth 5 module with nRF52840 chip. It is based on the ARM Cortex-M4 core with 1 MB Flash memory and 256 KB RAM memory. It is equipped with a USB interface. SparkFun DEV-15025
Bluetooth 2.1+EDR module for mounting in SMD technology with a fully configurable UART interface (transfer speed up to 2 Mb/s). SparkFun WRL-12575
No product available!
ModCC2540-A1 allows the use of Bluetooth transmission features BLE 4.0 - thanks to the built-in CC2540 chip, it is possible to create complex projects without the use of an additional microcontroller. modCC2540-A1
Adafruit 2267 - Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822