XDA Developers on MSN

I turned the Arduino Uno Q into a streaming server for my Bluetooth speakers

If you're looking for a way to turn your Bluetooth speaker into a Spotify Connect device, then this is the way.
EDN

Getting Started with BLE and Arduino

The MLT-BT05 is a readily available, inexpensive Bluetooth 4.0 module based on the Texas Instruments CC2541 Bluetooth Low Energy (BLE) system-on-chip (SoC), sold by various Chinese suppliers and ...
Hackaday

Two-way Bluetooth Communication Made Easy

It’s hard to imagine an easier way to set up communications between an Android device and an Arduino using Bluetooth than by following this guide. In the center of the breadboard you can see the cheap ...
Electronics Weekly

More on: Arduino Uno R4 Minima and WiFi in detail

Connector to add external battery to real-time clock (RTC) inside Renesas MCU (MCU RTC power pad held to 5V rail on Minima) Secondary (wireless) processor: 240MHz 3.3V dual core 32bit Espressif ...