Project

# Title Team Members TA Documents Sponsor
37 Smart Electric Toothpaste Dispenser
Jianqiao Xiao
Yusheng Wei
Zhaoying Du
David Hanley appendix1.ino
design_document1.pdf
final_paper1.pdf
presentation1.pdf
proposal1.pdf
video
Cypress Semiconductor Corporation
# Problem
The majority of the toothpaste dispensers in the market are manual. Those electrical ones generally dispense a same amount toothpaste which cannot be easily adjusted. Also, the dispenser does not have any interaction with the users for them to know the time and the amount dispensed. Besides, the existing devices may not be powered by batteries or display battery level.

# Solution Overview
The toothpaste we design will be powered by a battery and be fully automatic. It has two modes of operation: the user can dispense a preset quantity using user interface or simply push a button and dispense as much as the user wants. Also, the device uses a screen to interact with the user: showing time, telling the weather, and showing the settings of the dispenser. An app will also be created for the device so that everything can be controlled in a smart terminal.

## Dispensing Mechanism and Drive
A small peristaltic pump will be used to get the toothpaste out of the package and the amount can be accurately traced by counting the number of rotations of the pump. Such pump can achieve the relatively high precision we need and high pressure to dispense the toothpaste. Because most of the toothpaste tubes have a similar size thread on their neck, a 3D-printed base will be design to fit most of the packagings.

## Data Collection and Analysis
We will collect data in two areas. One is related to the battery usage such as the battery level and the amount of time that the battery can support, and the other is related to the toothpaste usage such as the time since the the tube was first used and the amount of toothpaste dispensed so far.

## User Interface
We will design an android app which has a control page and an analysis page. The control page is for users to define the amount of toothpaste to be dispensed or simply press the start button and stop button on the app to control the dispensing process. The analysis page is for users to view the data related to battery and toothpaste usage.

# Criterion for Success
Our final product should be able to
Dispense toothpaste with push button
Record the amount dispensed and automatically dispense a preset amount
Display all the settings in the screen and battery condition
Have all the setting parameters adjusted with the user interface
Record the amount, the time of the toothpaste usage and store the data. The data should be manageable anytime using the smart terminal.
Record video upon request by the user and store the video in an SD card or USB drive.

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