schematics parts and PCB footprints for kicad S3860M-S bluetooth audio module based on OVC3860 XS3886 bluetooth audio module based on OVC3860 MB-CM15113 bluetooth audio module F-3188 CSR8645 based bluetooth 4.0 module BLK-MD-SPK-B bluetooth audio module based on OVC3860 68HC05 motorola cpu SOYO-BT24G03 bluetooth module aimtec DC-DC convertor AM1D F-6888 - BK3254 BT4.0 audio bluetooth module Microchip BM20 and BM23 BT modules F-6188 - BK8000L BT2.0 audio bluetooth module MAX809-810 various 3.5mm jacks MC33660 bluepill (stm32F103C) LM2594