If the Arduino is left connected to the I2C lines instead, volume and other settings ... In final form, a Bluetooth module and Arduino Pro Micro are stuffed inside the stereo along with a DPDT ...

A BLUETOOTH RADIO IN 0.18 UM CMOS. The Bluetooth standard is now recognized as a standard for short-range data and voice transfer. Presentations at the ISSCC 2001 [1] and ISSCC 2002 [2], showed a ...