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Final Project

The first idea came to my mind for final project is developing a sensing system that uses an ultrasonic sensor to measure distance based on the time-of-flight (ToF) principle, where the travel time of transmitance ultrasound wave and echo pulse are used to calculate the distance to an object. In addition to distance, I might try to work on analyzing pulse echo response behavior—to setimate basic material properties of the object, specifically whether the surface is soft or hard.

Here is the basic sketch of the ides:

Multisensing portable sleep monitor

A small, wearable/attachable device that detects snoring on-device and correlates snore events with physical sleep positions.

Optionally add SpO₂/HR, temperature or motion sensors to enrich correlation and investigation.

For the device shape I haven't decided yet. It should be small light but not just a simple box The challenges for the portable battery should be challenge

For the electronic part I'm thinking of using ultralow power microcontroller having bluethoth or ...

Sensors

  • Airflow or pressure sensors for breathing pattern detection
  • Sound or vibration sensors for snoring intensity
  • CO₂ or VOC sensors for room‑air quality
  • PPG modules (heart rate) for heart rate and SpO₂
  • IMUs for body‑position tracking
  • ECG
  • I2S microphone (snoring + silence detection)
  • Temperature & humidity

Microcontroller

  • ESP32‑S3 DevKit
  • XIAO ESP32‑S3 + Wi‑Fi + display

Applications and implications / project development

Plan a final project masterpiece that integrates the range of units covered, answering:

What will it do? sleep monitoring including

Who's done what beforehand? What sources will you use? What will you design? A box for the PCB board What materials and components will be used? 1. PLA for the box 2. the box band's holder with resin in molding week. 3. Electronics components (Microcontroller, sensors, sockets, connectors, display, battery) Where will come from? How much will they cost? making a table lists here What parts and systems will be made? 1. What processes will be used? What questions need to be answered? How will it be evaluated? Your project should incorporate 2D and 3D design, additive and subtractive fabrication processes, electronics design and production, embedded microcontroller design, interfacing, and programming, system integration and packaging Where possible, you should make rather than buy the parts of your project Projects can be separate or joint, but need to show individual mastery of the skills, and be independently operable

post a system diagram for your project

list the tasks to be completed

  1. Drawing a 2D sketch of the device box and its holder

start to make a 2D model of the box (by April 20)

  1. 3D modeling of box

  2. 3D printing the boxes (by 25 of April)

  3. Electronic Design end of April

  4. Electronic production

  5. Input devices

Decide and chose the sensors (till 17 April)

  1. Output devices
  2. Embedded programming for both input and output devices
  3. Communication and network
  4. Molding and casting

make a schedule for doing them

schedule a meeting with your instructors for a graded review of these and your weekly assignments