Bluetooth

Top view of an Adafruit Feather nRF52840 Sense board

Our Adafruit Bluefruit LE (Bluetooth Smart, Bluetooth Low Energy, Bluetooth 4.0) allows you to establish an easy to use wireless link between your Arduino and any compatible iOS or Android (4.3+) device. Create your own wireless Bluetooth keyboard controller in an hour with the Bluefruit EZ-Key: it's the fastest, easiest and bestest Bluetooth controller. Bluefruit EZ-Link: the best Bluetooth Serial Link device ever made.

shot of a Black woman's neon-green manicured hand holding up a Circuit Playground Bluefruit glowing rainbow LEDs.

Circuit Playground Bluefruit - Bluetooth Low Energy

Product ID: 4333

Circuit Playground Bluefruit is our third board in the Circuit Playground series, another step towards a perfect introduction to electronics and programming. We've taken the popular Circuit Playground Express and made it even better! Now the main chip is an nRF52840 microcontroller which is not only more powerful, but also comes with Bluetooth Low Energy support for...

$24.95

In stock

Angled shot of a Bluetooth 4.0 USB Module.

Bluetooth 4.0 USB Module (v2.1 Back-Compatible)

Product ID: 1327

Add Bluetooth capability to your computer super fast with a USB BT 4.0 adapter. This adapter is backwards compatible with v2.1 and earlier, but also supports the latest v4.0/Bluetooth Low Energy. Inside lies a CSR8510 Bluetooth USB host. We've used this with great success on a Windows 7 computer, installing as a 'generic' Bluetooth device, but we expect it to work...

$11.95

In stock

Angled shot of bluetooth sniffer device.

Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - Firmware Version 2

Product ID: 2269

Interested in learning how Bluetooth Low Energy works down to the packet level? Debugging your own BLE hardware, and trying to spot where something is going wrong? Or maybe you're writing a custom application for your phone or tablet that needs to talk to existing BLE hardware, but you don't know how it works beneath the surface? We have the perfect tool for you!...

$24.95

30 in stock

Angled shot of a Adafruit Bluefruit LE UART Friend.

Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE)

Product ID: 2479

Would you like to add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE UART Friend! The Bluefruit LE UART Friend makes it easy to add Bluetooth Low Energy...

$17.50

In stock

Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v3.0

Product ID: 2267

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...

$19.95

In stock

Flora Wearable Bluefruit LE Module

Product ID: 2487

Would you like to add powerful and easy-to-use Bluetooth Low Energy to your wearable FLORA project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Flora Bluefruit LE! The Flora Bluefruit LE makes it easy to add Bluetooth Low Energy connectivity to your Flora. Sew 4...

$17.50

43 in stock

Adafruit Bluefruit LE SPI Friend - Bluetooth Low Energy (BLE)

Product ID: 2633

Would you like to add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE SPI Friend! The Bluefruit LE SPI Friend makes it easy to add Bluetooth Low Energy...

$17.50

In stock

Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino

Product ID: 2746

Would you like to add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE Shield for Arduino! The Bluefruit LE Shield makes it easy to add Bluetooth Low Energy...

$19.95

In stock

Espruino Puck.js v2

Product ID: 3372

The Espruino Puck.js v2 is a low energy Bluetooth smart button that can be programmed and debugged wirelessly with JavaScript. It is both multi-functional and easy to use, with a custom circuit board, the latest Nordic chip, Bluetooth LE, NFC, magnetometer, temperature sensor, RGB LEDs, infrared and much more, all enclosed in a tiny silicone case. You get all the joy...

$39.95

88 in stock

Angled shot of a nRF51822 Bluetooth Low Energy Module.

nRF51822 Bluetooth Low Energy Module - MDBT40-256RV3

Product ID: 4076

If you have a custom PCB design and you'd like to add a little Bluetooth Low Energy, this module is ultra-compact and easy to use. It contains a Nordic nRF51822 Cortex M0 chip that comes integrated with BLE radio as well as most of the supporting circuitry and even a chip antenna. The whole thing is in a tin and comes with FCC, CE, and TELEC certifications. Please...

$7.95

In stock

Angled shot of rectangular microcontroller with headers.

Adafruit Feather 32u4 Bluefruit LE with Headers - Assembled

Product ID: 3379

Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather 32u4 Bluefruit with Headers - our take on an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging. Its an...

$31.95

In stock

Angled shot of a nRF52832 Bluetooth Low Energy Module.

nRF52832 Bluetooth Low Energy Module - MDBT42Q-512KV2

Product ID: 4077

If you have a custom PCB design and you'd like to add a little Bluetooth Low Energy, this module is ultra-compact and easy to use. It contains a Nordic nRF52832 chip that comes integrated with BLE radio as well as most of the supporting circuitry and even a chip antenna. The whole thing comes with FCC, CE, and TELEC certifications. Please note! The module comes with...

$9.95

In stock

Angled shot of a nRF52840 Bluetooth Low Energy Module with USB.

nRF52840 Bluetooth Low Energy Module with USB - MDBT50Q-1MV2

Product ID: 4078

If you have a custom PCB design and you'd like to add a little Bluetooth Low Energy, this module is ultra compact and easy to use. It contains a Nordic nRF52840 Cortex M4 chip that comes integrated with BLE radio, USB as well as most of the supporting circuitry and even a chip antenna. The whole thing is in a tin and comes with FCC, CE and TELEC certifications. This...

$12.95

In stock

Angled shot of rectangular microcontroller.

Adafruit Feather 32u4 Bluefruit LE

Product ID: 2829

Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather 32u4 Bluefruit - our take on an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging. Its an Adafruit Feather...

$29.95

In stock

Faded image of a rectangular microcontroller and text that reads "my newt".

Adafruit Feather nRF52 Pro with myNewt Bootloader - nRF52832

Product ID: 3574

The Adafruit Feather nRF52 Pro is another Bluetooth Low Energy board for advanced projects and users who want to use a fully open-source Bluetooth Low Energy 5.0 stack. It has a native Bluetooth chip, the nRF52832, as well as built-in USB Serial and battery charging! We have other boards in the Feather family, check'em out here. This is a special Feather - unlike the...

$27.50

In stock

Adafruit Feather M0 Bluefruit LE

Product ID: 2995

Feather is the new development board from Adafruit, and like its namesake, it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather M0 Bluefruit LE - our take on an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built-in USB and battery charging. It's an Adafruit...

$29.95

In stock

Mini Bluetooth Keyboard – Black

Product ID: 3601

Sure, you have a keyboard. Maybe it's wireless. Maybe it's even Bluetooth. But do you have a mini Bluetooth keyboard? Like Halloween candy, this keyboard is fun-size! If Shakespeare had this wee chiclet keyboard back in the day, he definitely would've remarked, "And though it be but little, it is fierce!" We got one of these with a DIY 'tele-prompter' kit and thought...

$12.95

53 in stock

Adafruit Feather 32u4 Bluefruit LE with Stacking Headers - Assembled

Product ID: 3242

This is the Adafruit Feather 32u4 Bluefruit - our take on an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging. It's an Adafruit Feather 32u4 with a BTLE module, ready to rock! Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new...

$32.95

In stock

ESP32-WROVER-B Module - ESP32 with PSRAM Module

Product ID: 3979

The ESP8266 started a small revolution by bringing WiFi to a small and cheap package that also had enough processing power and enough pins to get small things done. Now get ready to take your bite-sized WiFi capabilities to the next level with the ESP-WROVER-32 WiFi / Bluetooth Classic / BLE Module! This modules is even more powerful than the WROOM-32 - it has a 8MB...

$9.95

27 in stock

Angled shot of blue, rectangular, microcontroller.

Adafruit Feather nRF52840 Sense

Product ID: 4516

The Adafruit Feather Bluefruit Sense takes our popular Feather nRF52840 Express and adds a smorgasbord of sensors to make a great wireless sensor platform. This Feather microcontroller comes with Bluetooth Low Energy and native USB support featuring the nRF52840! This Feather is an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB plus battery...

$39.50

17 in stock

Adafruit ItsyBitsy nRF52840 Express - Bluetooth LE

Product ID: 4481

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy nRF52840 Express featuring the Nordic nRF52840 Bluetooth LE processor! Teensy & powerful, with an fast nRF52840 Cortex M4 processor running at 64 MHz and 1 MB of FLASH - this microcontroller board is perfect when you want something very compact, with a heap-load of memory and...

$19.95

In stock

Angled shot of black rectangular microcontroller.

TinyS3 - ESP32-S3 Development Board by Unexpected Maker

Product ID: 5398

Introducing the TinyS3 - The Tiny Mighty ESP32-S3 development board in the TinyPICO format! TinyS3 is the latest in Unexpected Maker's super popular range of "Tiny" development boards. It's packed with amazing features and peripherals, wireless connectivity, and stacks of Flash and PSRAM, all in the same tiny package size as the original TinyPICO! The TinyS3 ships...

$20.00

In stock

Bangle.js v2 - Hackable Javascript Smart Watch

Product ID: 5427

Bangle.js 2 is an open, hackable smartwatch. With a sunlight-readable always-on screen, 4-week battery life, complete flexibility, and complete control of your data, Bangle.js 2 is a refreshing break from expensive smart watches. You can install new apps from the web or develop your own using JavaScript. All you need is a Web Browser (Chrome, Edge, or Opera) and you...

$89.95

In stock

ESP32-C3 RISC V Developer Board - 4 MB SPI Flash - DevKitC-02 ESP32-C3-WROOM-02

Product ID: 5337

The ESP32-C3-DevKitC-02 is an entry-level RISC V development board equipped with the ESP32-C3-WROOM-02, a powerful, generic Wi-Fi + Bluetooth LE MCU module that features a rich set of peripherals, yet an optimized size. It's an ideal choice for a wide variety of application scenarios related to the Internet of Things (IoT), such as embedded systems, smart homes,...

$9.95

40 in stock

Angled shot of black rectangular dev board.

ESP32-C3-DevKit-RUST-1 - 4 MB Flash

Product ID: 5787

ESP32-C3-DevKit-RUST-1 is an entry-level RISC V development board equipped with the ESP32-C3-MINI-1, a powerful, generic Wi-Fi + Bluetooth LE MCU module that features a rich set of peripherals, yet an optimized size. It's an ideal choice for a wide variety of application scenarios related to the Internet of Things (IoT), such as embedded systems, smart homes,...

$19.95

90 in stock

Mijia Bluetooth Temperature/Humidity Sensor with LCD Display

Product ID: 4881

Here is a jolly cute, palm-sized, Bluetooth-enabled sensor to monitor your room's temperature and humidity. Only 43mm x 43mm, we dig its small form factor and minimal design. The shell is made of durable ABS material. Up front you get a 1.5" (28x28mm) LCD display. These sensors are sold to work with the Mijia "Mi Home" App (iOS and Android) and are a low cost way to...

$9.95

66 in stock

Combination WiFi + Bluetooth 4.0 USB Adapter

Product ID: 4827

Add both WiFi and Bluetooth capability to your computer super fast with this USB Bluetooth / WiFi Dongle! This little two-faced cutie is so versatile! Its WiFi half can be used to make Internet of Things devices cable-free or we also love to take advantage of a single-board Linux computer's USB ports to add a low-cost, but high-reliability wireless link. The...

$14.95

In stock

Angled shot of Adafruit LED Glasses Driver.

Adafruit LED Glasses Driver - nRF52840 Sensor Board

Product ID: 5217

This board is designed to be a thin, bluetooth-enabled driver board for our Adafruit LED Glasses RGB LED matrix. That said, it's a perfectly good stand-alone development board for the Nordic nRF52840 chipset, with a very slim design, optional LiPo battery support, a few sensors, and a Stemma QT port for adding other devices or sensors with I2C plug-and-play. The...

$24.95

56 in stock

ESP32 Dual Antenna WiFi + Bluetooth Module with 8MB FLASH - ESP32-WROOM-DA-N8

Product ID: 5344

ESP32-WROOM-DA (the DA is for Dual Antenna) is a powerful Wi-Fi + Bluetooth Classic + Bluetooth LE MCU module, with two complementary PCB antennas in different directions. Packed with 8 MB of internal QSPI Flash, it has lots of memory and great WiFi connectivity no matter where or how it is installed. ESP32-WROOM-DA is pin-to-pin compatible with ESP32-WROOM-32E, thus...

$7.95

In stock

Angled shot of rectangular microcontroller on white breadboard connected to a battery.

Adafruit Feather 32u4 Bluefruit LE - with or without headers

Product ID: 3503

Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather 32u4 Bluefruit - our take on an 'all-in-one' Arduino-compatible + Bluetooth Low Energy with built in USB and battery charging. Its an Adafruit Feather...