Wireless / Bluetooth® / Bluetooth® Low Energy

The Adafruit Feather nRF52840 Express is the new Feather family member with Bluetooth® Low Energy and native USB support featuring the nRF52840! It's our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built-in USB plus battery charging. With native USB it's even ready to join the CircuitPython party. We have other boards in the...

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...

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...

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 Bluetooth® Low Energy 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,...

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 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...

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 with an integrated BLE radio, along with 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...

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...

This USB dongle/key type thing is a little unusual - it isn't a Bluetooth® Low Energy adapter that you plug into a computer to add wireless capability. (If you do want something like that, our Bluetooth® 4.0 USB Module will do the job nicely.) Instead, this is basically a minimal nRF52840 wireless microcontroller dev board on a stick. You can program it in...

Would you like to add powerful and easy-to-use Bluetooth® Low Energy to your robot, art or other electronics project? Heck yeah! With Bluetooth® Low Energy 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...

The Adafruit Feather nRF52 Bluefruit is another easy-to-use all-in-one Bluetooth® Low Energy board, with a native-Bluetooth® chip, the nRF52832! It's our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built in USB and battery charging. We have other boards in the Feather family, check'em out here. This chip has twice the flash,...

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...

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...

Add Bluetooth® capability to your computer super fast with a Xinghuatian Tech Bluetooth® 4.0 USB Module. 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'...

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 -...

The Bluefruit LE Friend is your new Bluetooth® Low Energy BFF! This USB-to-Bluetooth® Low Energy board makes it easy to get your computer talking to your Bluetooth® Low Energy-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!)....

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...

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...

Espruino Bangle.js v2 - Hackable Javascript Smart Watch is an open, hackable smartwatch. With a sunlight-readable always-on screen, 4-week battery life, complete flexibility, and full control over your data, Espruino Bangle.js v2 is a refreshing break from expensive smartwatches. You can install new apps from the web or develop your own using JavaScript. All you need...

Add both WiFi and Bluetooth® to your computer super fast with this Xinghuatian Tech Combination WiFi + Bluetooth® 4.0 USB Adapter! This little two-faced cutie is so versatile! Its Wi-Fi half can be used to make Internet of Things devices cable-free, or we can also take advantage of a single-board Linux computer's USB ports to add a low-cost, high-reliability...

Would you like to add powerful and easy-to-use Bluetooth® Low Energy to your robot, art or other electronics project? Heck yeah! With Bluetooth® Low Energy 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...

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...

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...

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...

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...

Interested in learning how Bluetooth® Low Energy works down to the packet level? Debugging your own Bluetooth® Low Energy 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...

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...

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,...

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...

The ESP32-C3-DevKitM-01 is an entry-level development board equipped with the ESP32-C3-MINI-01, 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,...

The LightBlue Bean is a low energy Bluetooth Arduino microcontroller that is programmed wirelessly and is perfect for your smartphone controlled projects! Using Bluetooth 4.0, this Arduino-compatible board is a serial protocol that allows the LBM313 Bluetooth Low Energy module and Atmega328p to communicate both messages from the client (OS X, iOS, etc.) to the...

Pickup a copy of Make: Bluetooth LE Projects for Arduino, RasPi, and Smartphones and then hit the ground running with these great bluetooth accessories. This pack DOES NOT include the book! (But you can pick it up in the Adafruit shop) This pack is perfect for somebody who is up for a little challenge and eager to dive further into the wonderful world of Bluetooth...

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-WROOM-32 WiFi / Bluetooth® Classic / Bluetooth® Low Energy Module! According to Espressif, the ESP-WROOM-32...

DISCONTINUED - You can grab Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino instead! 1Sheeld+ is a "Bluetooth LE Tethered" shield for Arduino. Plug it into your Arduino and then run the matching mobile app on your tablet or phone. Once paired, the mobile app that allows the usage of all your smartphones' capabilities such as LCD Screen, Gyroscope, Switches,...

There are smart coffeemakers, smart mirrors, color-changing smart fabrics, what will they come out with next? Check out Espruino's Pixl.js, a smart LCD with Bluetooth LE! The Espruino Pixl.js is a low energy Bluetooth smart display that can be programmed and debugged wirelessly with JavaScript. It is both multi-functional and easy to use, with a custom circuit board...

Try the JavaScript of things with the Espruino - the world's first open-source JavaScript microcontroller! This little board has an nRF52832 microcontroller pre-programmed with Espruino all ready to go so you can start playing with Javascript-microcontrollers. Warning: if you only use Assembly and think that even embedded C/C++ is for wimps, this device might explody...

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 Micro - it's an Atmega32u4 chip (same as used as in the Adafruit Flora or Arduino...

Kitty's Flowers is a pair of beautifully designed Bluetooth-wearable brooches, which can be programmed to interact with one another. The brooches are perfect for keeping loved ones by your side with Bluetooth connectivity. They are also a fun platform for kids to learn to program. Jointly created by Art by Physicist (Dr. Kitty Yeung) and DFRobot, they contain an...

Discontinued - you can grab this ScoutMakes FM Radio Board - STEMMA QT / Qwiic instead! For many of us, the construction of a classic FM radio was one of the very first projects we took on when getting started with DIY electronics. And for good reason. Radio waves are fascinating, they’re everywhere, and they’re free! Radio brings all kinds of information...

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...

Discontinued - you can grab Adafruit ESP32 Feather V2 - 8MB Flash + 2 MB PSRAM - STEMMA QT instead! Ameba RTL8722DM Mini Board (AMB 23) is a devkit for a different family of WiFi/BLE-integrated chipsets from RealTek. As more chip companies come out with their "All in One IoT" platforms, we like to stock a dev kit for folks who are interested in experimentation....

Robotics and industrial automation are everywhere these days. Robots help build, package, and ship everything from your breakfast cereal to your car. With that in mind, we designed the ScoutMakes Robot kit to help those with an interest in robotics learn the basics. With it, you will create a simple, wheeled robot while developing a familiarity with concepts like...

With so many connectivity options, Pycom's LoPy4 is a lot like an amazing, multi-course brunch. You've got LoRa playing your favorite morning public access radio station, WiFi talking to your smart coffee maker, SigFox and cream cheese on a bagel, and a baker's dozen of Bluetooth muffins-- I mean, blueberry muffins! Boosted with the Espressif ESP32 chipset, the LoPy...

Discontinued - you can grab the Adafruit ESP32 Feather V2 - 8MB Flash + 2 MB PSRAM - STEMMA QT instead! Pycom's WiPy 3.0 – a tiny MicroPython-enabled WiFi & Bluetooth IoT development platform. With a 1KM WiFi range, state of the art Espressif ESP32 chipset, and dual processor, the WiPy is all about taking the Internet of Things to the next level. Create and...

Instead of being a single embedded functional module, Wio Terminal is more of a complete system equipped with Screen + Development Board + Input/Output Interface + Enclosure. Because it uses the SAMD51, it is compatible with Arduino and CircuitPython - using the same Arduino & CircuitPython core we have developed here at Adafruit! Wio Terminal is an...

Warning: Particle is deprecating a Xenon / Mesh support. With a little effort these boards can be converted/reprogrammed and make for great little CircuitPython or Arduino-compatible boards, and but they will no longer be supported by the Particle Cloud service. Woohoo, it's time for a Particle Mesh party! And the Particle Xenon is the most basic element (ha!) for...

Discontinued - you can grab Particle Argon Kit - nRF52840 with Bluetooth® Low Energy and WiFi instead! Warning: Particle is deprecating a Xenon / Mesh support. With a little effort these boards can be converted/reprogrammed and make for great little CircuitPython or Arduino-compatible boards, and but they will no longer be supported by the Particle Cloud service....

With LoRa, Wifi and Bluetooth® Low Energy, the Pycom LoPy is the only triple bearer MicroPython enabled microcontroller on the market today – the perfect enterprise grade IoT platform for your connected Things. With the latest Espressif ESP32 chipset the LoPy offers a perfect combination of power, friendliness and flexibility. Create and connect your things...

Pycom introduces the WiPy 3.0 – a tiny MicroPython enabled WiFi & Bluetooth® IoT development platform. With a 1KM WiFi range, state of the art Espressif ESP32 chipset and dual processor, the WiPy is all about taking the Internet of Things to the next level. Create and connect your things everywhere. Fast. Note: This board does not come assembled and...

The LightBlue Bean+ is a low energy Bluetooth Arduino microcontroller that is programmed wirelessly and is perfect for your smartphone controlled projects! With Bean, you can program wirelessly from any of your devices. Using Bluetooth 4.0, this Arduino-compatible board is a serial protocol that allows the LBM313 Bluetooth Low Energy module and Atmega328p to...

This book is where your adventures with Bluetooth LE begin! This jam packed book has practical exercises and projects to help you build real BLE devices, an excellent companion book to Getting Started with Bluetooth by Adafruit's own KTown. You'll start your journey by getting familiar with your hardware options: Arduino, BLE modules, computers (including Raspberry...

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! It's WiFi half can be used to make Internet of Things devices cable-free or we also love to take advantage of the Raspberry Pi and BeagleBone USB ports to add a low cost, but high-reliability wireless link. The...

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...

You're interested in what all this BLE stuff is about, anyways? Let Adafruit's lead Engineer, Kevin "KTOWN" Townsend (a.k.a "50 Ohm") guide you in this detailed tome. KTOWN teamed up with Akiba (a.k.a "Wireless EL blinky guy") to throw down all their knowledge in this book. Getting Started with Bluetooth Low Energy: Tools and Techniques for Low-Power Networking by...

Our Adafruit Bluefruit LE (Bluetooth® Smart, Bluetooth® Low Energy, Bluetooth® 4.0) nRF8001 Breakout allows you to establish an easy to use wireless link between your Arduino and any compatible iOS or Android (4.3+) device. It works by simulating a UART device beneath the surface, sending ASCII data back and forth between the devices, letting you decide...