Audio Subsystem with 4 MEMS Microphones

oleh zarnescugeorge
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This circuit is used in the food and beverage industry for recording the customer ordering some products. The circuit works in conjunction with a Raspberry Pi 3 board which has installed an AI application. The circuit is based on the ST ARM Cortex M3 Processor: STM32F107RCT6. The circuit can be powered from a 5V barrel connector or an USB2 interface. The board can automatically select the power interface using a power multiplexer. It is equipped with a USB2 COM compliant circuitry. The processor can be programmed using a 6 Pin Tag-Connect no legs connector. It has 4 MEMS microphone two for left side and two for right side. A 40 pin connector header was used for bridging this board with the Raspberry Pie 3 board. My responsibilities were to design the entire system circuitry, to create the schematics, schematic library, footprint library and layout the board.

image of username zarnescugeorge Flag of Romania Constanta, Romania

Tentang Saya

I am an expert Electronics PCB Design Engineer with 10 years industry experience. I can design and implement analog, digital and high speed circuits, FPGA circuits and write firmware in VHDL and Embedded C. I can design rigid, rigid-flex or flex PCBs, also I can do 3D modelling of electronic components. You can find a lot of interesting projects on my site: [login to view URL]

$25 USD/jam

140 Ulasan
7.5

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