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Scopen Capstone Project Presentation Byron Aguilar Boning Dong - PowerPoint PPT Presentation

Jul 08, 2023 •347 likes •648 views

Scopen Capstone Project Presentation Byron Aguilar Boning Dong Cesar Gonzalez Team Leader System Design AFE Design AFE Design Board Layout Power Management Board Layout Firmware DAC Interface Firmware Desktop Software Firmware

  1. Scopen Capstone Project Presentation

  2. Byron Aguilar Boning Dong Cesar Gonzalez Team Leader System Design AFE Design AFE Design Board Layout Power Management Board Layout Firmware DAC Interface Firmware Desktop Software Firmware Android App Board Assembly

  3. Project objective For students and hobbyists , do we really need a huge and expensive oscilloscope? Detect Waveform Portable Intuitive Affordable

  4. The power of an oscilloscope in a pen

  6. Project Structure Hardware Design Firmware Design Software Design Industrial Design Analog Front End Waveform Sampler Pen Discovery Body shell MCU System Thread Manager Manage Connections Aesthetic Design WiFi System TCP Communication Commands transmission User Interaction Battery Management Inter-Chip Communication User Interface Design 3D Modeling

  7. Hardware Design Analog Front End (AFE) Microcontroller System (MCU)

  8. Analog Front End

  9. Impedance Consideration Challenges Isolate Stages Buffers Gain Stage Varying Gain (VGA) Gain Controlled by STM32 DAC

  10. MCU System

  11. Microcontroller selection Challenges Needed a small controller with fast ADCs Memory selection Needed non-BGA package small memory.

  13. Final PCB WIFI Analog Front End 2.45” 0.73” Touch Sensor STM32 Battery Management

  15. Program Pins USB Memory Analog Front End

  16. Firmware Design STM32G474QE ESP32 Pico Kit

  17. Architecture

  18. ADC Sampling Control

  19. Thread Management Occupied Semaphore Occupied Semaphore Slots Semaphore Occupied Semaphore Slots Semaphore

  20. Communication System SPI TCP Data size UDP SCAN TCP UART Data Type

  21. Software Design Client Desktop Software

  22. Architecture View Layer Controller Layer Model Layer

  23. User-Interface

  24. Industrial Design Fusion 360 Case Model

  25. Design Principle Challenges Robust 3D modelling Durable Filament Material Elegant 3D printing tolerance

  27. Scopen Summary 20 Vpp Measuring Capabilities Total Length: 5.9 inches Micro-USB Charging 5 MHz Bandwidth Touch Pad

  28. Scopen Item(s) Total Cost $299 Components 80 PCBs 35 Shell 5 IkaScope WS2000 Digilent Analog Discovery 2 $299 $279

  29. Acknowledgement Thanks to Professor Yoga Adi Kyle Leo Jeff

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