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A "shield" PCB that allows the Nucleo-F746ZG to perform data acquisition in an ultrasound system.
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Nucleo DAQ Shield

The Nucleo DAQ Shield mixed signal PCB that houses connectors and auxiliary circuitry (buffers, H-bridge, voltage regulators). It allows the STM32 microcontroller to interface with the Analog Frontend, motor, and other sensors.

Drawings

Schematic:
Schematic
See the drawings folder for a high-resolution PDF version.

PCB:
PCB
See the drawings folder for a full resolution PDF version, including each layer individually.

3D view:
3D PCB

Bill of Materials

See Nucleo_DAQ_Shield.html.

Changelog

  • v1.0 Initial design.
  • v1.2
  • v1.3 Changed dimensions to improve manufacturability.
  • v2.0 Replaced several components; added connector for IMU and jumpers to switch between internal/external encoder.

Credits

Designed by William Meng and Ruoyu Sheng.

The motor control circuitry was adapted from the Adafruit DRV8871 breakout board.

The Arduino Shield module by nicholasclewis helped with aligning the header pins.

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