Bluetooth Radio

Voltage divider https://web.archive.org/web/20181031002005/https://arstechnica.com/civis/viewtopic.php?f=6&t=72941

Bluetooth part - https://web.archive.org/web/20181031002148/https://www.ebay.com/itm/TDA7492P-50W-50W-CSR8635-Bluetooth-4-0-Audio-Receiver-Digital-Amplifier-Board-/172141677883?oid=322323937478

IMG_20170420_174940.png IMG_20170420_175129.png IMG_20170420_175143.png IMG_20170420_174945.png IMG_20170420_175135.png IMG_20170420_175126.png IMG_20170420_175140.png