KiCad schematics, library symbol and footprints for RN52 Bluetooth module.
The following functionality is broken out:
- UART's RX/TX pins
- GPIO9 (command/data mode selection)
- GPIO7 (UART baud rate selection)
- GPIO4 (factory reset switch)
- PWREN (enable power)
- LED0, LED1
- Audio output, in a really, really dumb way. You should use amplifier with differential input.
Be warned- the PCB was designed for parts I had on hand and home-made production process (single layer, fat tracks).
I had wrong footprint for linear regulator at the first try- it's now been fixed in master.