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.

Circuit Playground Bluefruit - Bluetooth Low Energy

Product ID: 4333

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

Product ID: 1327

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

Product ID: 2479

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

Product ID: 2267

Flora Wearable Bluefruit LE Module

Product ID: 2487

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

Product ID: 2633

Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino

Product ID: 2746

Adafruit Feather nRF52840 Express

Product ID: 4062

Espruino Puck.js v2

Product ID: 3372

nRF51822 Bluetooth Low Energy Module - MDBT40-256RV3

Product ID: 4076

Adafruit Feather 32u4 Bluefruit LE with Headers - Assembled

Product ID: 3379

nRF52832 Bluetooth Low Energy Module - MDBT42Q-512KV2

Product ID: 4077

Adafruit Feather nRF52 Bluefruit LE - nRF52832

Product ID: 3406

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

Product ID: 4078

Adafruit Feather 32u4 Bluefruit LE

Product ID: 2829

Adafruit Feather nRF52 Pro with myNewt Bootloader - nRF52832

Product ID: 3574

Adafruit Feather M0 Bluefruit LE

Product ID: 2995

Adafruit Feather 32u4 Bluefruit LE with Stacking Headers - Assembled

Product ID: 3242

ESP32-WROVER-B Module - ESP32 with PSRAM Module

Product ID: 3979


Product ID: 3320

nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy - MDBT50Q-RX

Product ID: 5199

Adafruit ItsyBitsy nRF52840 Express - Bluetooth LE

Product ID: 4481

TinyS3 - ESP32-S3 Development Board by Unexpected Maker

Product ID: 5398

Bangle.js v2 - Hackable Javascript Smart Watch

Product ID: 5427

Mijia Bluetooth Temperature/Humidity Sensor with LCD Display

Product ID: 4881

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

Product ID: 5337

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

Product ID: 5787

Adafruit LED Glasses Driver - nRF52840 Sensor Board

Product ID: 5217

Combination WiFi + Bluetooth 4.0 USB Adapter

Product ID: 4827

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

Product ID: 5344

ScoutMakes Robot Kit

Product ID: 4967

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

Product ID: 2269

Adafruit Feather 32u4 Bluefruit LE - with or without headers

Product ID: 3503

Mini Bluetooth Keyboard – Black

Product ID: 3601

Adafruit Feather nRF52840 Sense

Product ID: 4516

Espruino MDBT42Q Breakout

Product ID: 3876

Seeed Wio Terminal

Product ID: 4707

Kitty's Flowers - Pair of Bluetooth Wearable Brooches - Art by Physicist

Product ID: 5215

Bluefruit EZ-Key - 12 Input Bluetooth HID Keyboard Controller - v1.2

Product ID: 1535

Bluefruit EZ-Link - Bluetooth Serial Link & Arduino Programmer - v1.3

Product ID: 1588

Bluefruit LE - Bluetooth Low Energy (BLE 4.0) - nRF8001 Breakout - v1.0

Product ID: 1697

Bluefruit EZ-Link Shield - Bluetooth Arduino Serial & Programmer - v1.3

Product ID: 1628

Bluetooth / WiFi Combination USB Dongle

Product ID: 2649

Adafruit Bluefruit LE Micro - Bluetooth Low Energy + ATmega32u4

Product ID: 2661

LightBlue Bean

Product ID: 2732

Smart Cord - A2DP Bluetooth, 120v 10amp 1200 Watt Extension Cord

Product ID: 763

1Sheeld+ for iOS and Android

Product ID: 3408

Getting Started with Bluetooth Low Energy by KTOWN

Product ID: 1978

Make:Bluetooth Book Parts Pack - Book Not Included

Product ID: 3026

Espruino Pixl.js - Javascript Microcontroller with LCD

Product ID: 3855

Make: Bluetooth LE Projects for Arduino, RasPi, and Smartphones

Product ID: 3029

ScoutMakes FM Radio Kit

Product ID: 4968

LightBlue Bean+

Product ID: 3254

Pycom LoPy4 - WiFi, BLE, LoRa, and Sigfox

Product ID: 3689

Pycom WiPy 3.0 - No Headers Attached

Product ID: 3338

Pycom LoPy 1.0 - LoRa + WiFi + BLE

Product ID: 3339

Particle Xenon Kit - nRF52840 with BLE and Mesh

Product ID: 3995

Particle Xenon - nRF52840 with BLE and Mesh

Product ID: 3999

Assembled Pycom WiPy 3.0 with Headers - MicroPython IoT Expansion Board

Product ID: 4815

Realtek RTL8722 Ameba Mini Board

Product ID: 5285