Wireless Communication Modules for Raspberry Pi and Arduino. Make your electronics go wireless using Wifi, Bluetooth, Radio or 2.4G!
The HC-05 Bluetooth Module will allow you to send/receive data over bluetooth as both a master or slave device. Just connect to your Arduino or Raspberry Pi to send and receive data wirelessly up to 32.8 feet (10m)!
Plug this Bluetooth Audio Receiver into your speakers' input jack and you'll have a neat way to receive audio wirelessly from your phone, Arduino, Raspberry Pi, or other bluetooth capable audio device.