 Evaluation board for WT41 Bluetooth module containing
o RS-232 serial interface
o Switchable self powered or bus powered USB interface
o SPI for upgrading the firmware and parameters
o Push buttons for all the PIOs and reset
o PCM codec (Winbond W681360SG)
o 2 x 3,5mm audio jacks for microphone in and speaker out
o 24 pin I/O interface (PIO2 – PIO7, UART, PCM, GND, 3V3)
o Current measurement point