DFBM-CM221 suitable equivalent, a class 2 bluetooth module suitable.
High Integrate, need minimum external components. Compliant to various interfaces: SPI, UART, USB.
2.Device Diagram
S5~S6 S1~S4 Reset UART, USB, SPI LED Audio In/Out 1.8.
1. FEATURES
High Integrate, need minimum external components. Compliant to various interfaces: SPI, UART, USB.
2.Devi.
Pin No.
1 2 3 4 5 6 7 8 Data Sheet
Name
D2 GND ANT PIO11 MIC_P_R MIC_N_R MIC_P_L MIC_N_L Ground RF input/output
Description
Light if power on or pair
Programmable input/output Microphone input positive (right side) Microphone input negative (right.
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