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

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 connectivity to anything with a hardware or software serial port. We even have nice hardware flow control so you won't have to think about losing data. Connect to your Arduino or other microcontroller or even just a standard FTDI cable for debugging and testing. This multi-function module can do quite a lot! For most people, they'll be very happy to use the standard Nordic UART RX/TX connection profile. In this profile, the Bluefruit acts as a data pipe, that can 'transparently' transmit back and forth from your iOS or Android device. You can use our iOS App or Android App, or write your own to communicate with the UART service. Download Adafruit's free Android/iOS app and you're ready to rock!

🎵 [Bluetooth USB Audio Adapter for PC] Plug this B25 to your pc's USB port, then you can enjoy music with your Bluetooth headphones/speakers after the pairing. Simple to use, supports A2dp audio streaming, AptX low latency techonology(need to pair with aptX low latency headphones to active such feature), equipped with most advanced Bluetooth 5.0. (Note: Doesn't support HID protocol, won't connect with Bluetooth keyboard, mouse, game controllers etc.). 👌 [Plug & Play, Supper Easy

Connect wirelessly with Bluetooth enabled devices -- Simply plug the Kensington Bluetooth 4.0 USB Adapter into your computer’s USB and you’re ready to connect wirelessly with a Bluetooth keyboard, mouse, printer, PDA, cell phone, headset, presentation device and much more. The Bluetooth 4.0 USB Adapter is so small you can leave it in your laptop’s USB port without interfering with its portability. Works with most Bluetooth-enabled devices (v1.1, v1.2, v2.0. v2.1 and the latest v4.0 devices

HC-12 module has four UART transparent transmission mode: FU1, FU2, FU3, and FU4. When in use, various modes are just to send and receive UART data can be, without a transmission part, but only in the same air baud rate can communicate with each other sky! The system default in FU3 full speed mode, this mode can automatically and according to the baud rate of serial baud rate, low baud rate communication distance. In the module ''SET'' pin is low level, you can set the UART transmission mode th

SPECIFICATIONS: Color: Black Bluetooth version: 4.2 + EDR Frequency range: 2.402GHz - 2.480GHz Input: USB Type-c / USB A Operating distance: Up to 10m Operating voltage: 5V PACKAGE INCLUDES: 1*Type C Transmitter 1*Type C to USB A Adapter 1*Microphone GadgetCompatibility: LANMU bluetooth audio transmitter adapter compatible with nintendo switch,ps4,pc,bluetooth headphones,AirPods.Not for data transfer,not compatible with mouse,keyboard.. Easy to Use: Plug and play,no need to drive. Compact and