D I S C L A I M E R :: horrible diction // super old video - SHIT HAS IMPROVED SINCE 2017
The only reason why I leave this up is that it SEEMS to have helped SOME, and the comment section seems to be a good place to exchange GENERIC radio modding intelligence.
Newer, better videos on this: https://www.youtube.com/playlist?list=PLwP7qH-peVYDHVx_JQpCM3pbosE_jRvcy
In this video I’ll be documenting how I integrated the CSR8645 Bluetooth Module into a Blaupunkt Car Stereo. Purchase links below:
5v Bluetooth 4.2 & 5.0 Boards :
[12V variant not recommended as car voltage can go up to 14.5v, which the isolating DC-DC converters do not tolerate]
International: https://bit.ly/3aCKfZR
Silent MP3 File (80min, full audio CD):
http://bit.ly/2jONWEC
Differential (Balanced) vs Single-Ended Audio Explanation :
https://youtu.be/jo5HhfIUSP0
DIN Connector Pinout:
http://bit.ly/2kG6Dtc
Song:
http://bit.ly/2kv8ezZ
BT Board DC-DC Regulator (useful for finding out what the rated input of your board is)
http://www.mornsun-power.com/uploads/pdf/B_S-1W.pdf
If you have any questions, feel free to ask down in the comments :)