A simple Bluetooth module designed for wiring into car audio systems. There are two wires for 12 V power from the vehicle, and the audio signal is sent out over the RCA plugs.

We’re pleased then to see the work of [ElectroBoy], who has combined something of both approaches by reverse engineering the pinout of a Chinese Bluetooth audio chip with minimal datasheet, and ...

The Quectel FGM840R is a standalone Wi-Fi and Bluetooth combo module that features a built-in Cortex M33 and M23 dual-core processor with the main core frequency up to 200MHz. The module supports ...