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

▶

Jul 08, 2023 347 likes •651 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

SLIDE 1

Scopen

Capstone Project Presentation

SLIDE 2

Byron Aguilar

Team Leader AFE Design Board Layout Firmware Android App

Boning Dong

System Design Board Layout Firmware Desktop Software Board Assembly

Cesar Gonzalez

AFE Design Power Management DAC Interface Firmware

SLIDE 3

Project objective

For students and hobbyists, do we really need a huge and expensive

scilloscope?

Detect Waveform Affordable Intuitive Portable

SLIDE 4

The power of an oscilloscope in a pen

SLIDE 5

SLIDE 6

Hardware Design Firmware Design Software Design

Project Structure

Industrial Design

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

SLIDE 7

Hardware Design

Analog Front End (AFE) Microcontroller System (MCU)

SLIDE 8

Analog Front End

SLIDE 9

Challenges

Impedance Consideration Gain Stage

Isolate Stages Buffers Varying Gain (VGA) Gain Controlled by STM32 DAC

SLIDE 10

MCU System

SLIDE 11

Microcontroller selection Memory selection

Needed a small controller with fast ADCs Needed non-BGA package small memory.

Challenges

SLIDE 12

SLIDE 13

2.45” 0.73”

STM32 Analog Front End WIFI Touch Sensor Battery Management

Final PCB

SLIDE 14

SLIDE 15

Memory Analog Front End Program Pins USB

SLIDE 16

Firmware Design

STM32G474QE ESP32 Pico Kit

SLIDE 17

Architecture

SLIDE 18

ADC Sampling Control

SLIDE 19

Thread Management

Occupied Semaphore Slots Semaphore Occupied Semaphore Slots Semaphore Occupied Semaphore

SLIDE 20

SPI

Communication System

UART TCP TCP UDP

SCAN

Data size Data Type

SLIDE 21

Software Design

Client Desktop Software

SLIDE 22

Architecture

View Layer Controller Layer Model Layer

SLIDE 23

User-Interface

SLIDE 24

Industrial Design

Fusion 360 Case Model

SLIDE 25

Design Principle

Robust Durable Elegant

Challenges

3D modelling Filament Material 3D printing tolerance

SLIDE 26

SLIDE 27

Scopen Summary

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

SLIDE 28

Scopen IkaScope WS2000 Digilent Analog Discovery 2

$279 $299 Item(s) Total Cost

Components 80 PCBs 35 Shell 5

$299

SLIDE 29

Thanks to

Acknowledgement

Professor Yoga Adi Kyle Leo Jeff