Working TRRS iPhone cable for BaoFeng UV-5R+
I got TX and RX both working with PocketPacket, but it took a little experimentation. Here's my schematic
Also at
http://johnboiles.s3.amazonaws.com/Screenshots/BaoFeng%20to%20iPhone%20TRRS%20Cable%202.png
I used a small cap and 3 resistors to...