APTX_HEADSET
Kicad schematic and PCB layout for an APTX bluetooth audio headset.
- FT-3188 Qualcomm CSR8645 module
- OPA1664 opamps for differential to single-ended audio conversion, and headphone buffer.
- LM358 buffered virtual ground for single-ended opamp power supply.
- Two layers, 65 mm x 32 mm.
Top
Bottom
