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Presentation 1. Team 5. Gideon Afolayan Shee Tong Lee Nathan Schultz Kong Meng Yang Naser Aldaihani. BSEE BSEE BSEE BSEE BSEE. Team 5: Expertise & Experience. Gideon Shee Tong Nathan Kong Naser Aldaihani. Expertise: soldering and testing

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Gideon Afolayan
  • Shee Tong Lee
  • Nathan Schultz
  • Kong Meng Yang
  • Naser Aldaihani
  • BSEE
  • BSEE
  • BSEE
  • BSEE
  • BSEE
team 5 expertise experience
Team 5: Expertise & Experience
  • Gideon
  • Shee Tong
  • Nathan
  • Kong
  • Naser Aldaihani
  • Expertise: soldering and testing

Experience: internships @ Milwaukee Electronics, and Rockwell Automation.

  • Expertise: None

Experience: None

  • Expertise: hydraulic electronic control

Experience: GS Hydraulics 3 yrs.

  • Expertise: Instrumentations

Experience: Oscillators, timers, and microcontrollers

  • Expertise: None

Experience: None

team 5 total resources estimation
Team 5: Total Resources Estimation
  • 800 Manhours expected
  • $200 or key part availability for material and prototyping
  • As individuals, we are dedicated to making the most from the class and as a team we are pretty excited working together and contributing to each others success.
projects under consideration1
Projects under consideration

Fish Tank Feeder

  • There are three possible operations desired.
  • The fish tank project is a position sensing apparatus through IR, that once sensed, the feeders will then dispense food controlled through proper timing.
  • The objective of the Water Institute is to collect data that supports there understanding of fish activity.
projects under consideration3
Projects under consideration


  • A Smart-Bot is one that makes movement based on the programming of the interpretation of sensors.
  • This fully automated robot may also be used in tracking and following sensors detected on a person to cart personal belongings.
projects under consideration4
Projects under consideration

Room Temperature Control

projects under consideration5
Projects under consideration

Room Temperature Control

  • This project is geared towards temperature control.
  • Is able to moderate the temperature of an environment using a thermocouple and fans as temperature makes slight changes.
  • The controlling centre would be used through remote digital operation to set and shut down the system.
proposed selection
Proposed Selection

Photo Sensing Blinds !

proposed product summary
Proposed Product Summary

Photo Sensing Blinds !

  • The blinds will be able the detect changes in sunlight from the inside and out, and adjust there direction by the use of servo motors.
  • The blinds will operate under direction of the CPU with proper interruption from a remote controller.
  • The blinds are to be fully automated to operate in timed intervals that may be set from an RF controller (optional).
proposed product summary1
Proposed Product Summary

Photo Sensing Blinds !

  • The product will operate off of three photo sensors positioned on or around the blind.
  • The primary benefit of the product is to control the opening and closing of the blind and also to provide a glare free environment at low cost.
  • The user friendly remote control will be made available for manual operation so that all may enjoy!
proposed product summary2
Proposed Product Summary

Why we chose the Photo Sensing Blinds Project ?

  • Overall, this project incorporates the expertise available of all of the group members.
  • The project completion is obtainable within the allotted time for the class.
  • This project was ideal because of the possibility of funding from the “Discovery World” and the chance upon completion, display of the project at there facility.
major risks taken
Major Risks taken
  • Having made agreements with “Discovery World”, gives a sense of obligation that will be a challenge.
  • Added product reliability and durability for display.
  • Programming limitations may prohibit our final prototype’s range of ability.
  • We must provide a precise cost determination due to funding and might not get a second chance.
project selection
Project Selection

Why we rejected other ideas ?

  • Other projects required more understanding of resources that were beyond our present scope (i.e. smart-bot and the fish tank).
  • Repetition.
  • No funding was available.
  • The other projects just didn’t offer a large enough range of product use and availability.
system level requirements
System Level Requirements

Performance Requirements:

  • Auto mode: consistent updates from the light intensity read sensors which cause specific angle adjusts to be made on the motors through proper programming.
  • Manual mode: fast responsive user interface through remote control†, with push-button user settings to change orientation of the blinds.
  • Sleep mode: goes into hibernation to the extent of timers manual setting.
  • Off mode: option for the user to turn off the blind control system completely

† Radio Frequency remote control is optional.

system level requirements1
System Level Requirements

Standard Requirements:

  • Temperature: -40°F -> 85°F
  • Humidity range: 0-100%
  • Input voltage: 120V
  • Power: 20W
block diagram description
Block Diagram Description

† Radio Frequency remote control is optional.

block interface signals
Block Interface Signals
  • Power Supply – Shee Tong Lee

Convert from a 120VAC @ 60Hz source into a 12 VDC

Output +/- 12 V and +5 to the sensor and controller

Output – 12 V to the DC Motor

block interface signals1
Block Interface Signals

Controller – Kong Meng Yang

- Analog input from photo resistor circuit,

make computations, and output a signal

to the motor (PWM).

- Digital inputs from remote user interface,

make decisions, and give output to display

and motors.

block interface signals2
Block Interface Signals
  • Motors – Nathan Schultz
    • A digital input of 12Vdc nominal from

the power supply will drive the motor op.

    • Wiring from the main PCB will determine

Bi-directional operation.

    • PWM supplied output will be supplied

from the MPU and interfaced trough a

H-bridge to operate the motor.



block interface signals3
Block Interface Signals
  • Inputs from H-bridge will control through PCB trace

on remote location.

  • Power cable from supply to drive H-bridge.
  • Closed-loop Control operation trough wiring to MPU.
block interface signals4
Block Interface Signals

Photo Sensor (Block 4)

– Gideon Afolayan

Block 4 senses the intensity of the light

and sends an analog signal to the controller

To that effect.

Block 4 gets an input of 5V and 12V

from the power supply (Block 1).

Block 4 has an output interface with

the input of the MPU (block 2) and

supplies an analog voltage supply within

the range of 0V and 5V

Photo Sensor /


block interface signals5
Block Interface Signals
  • Remote User Interface – Naser Aldaihani
    • Powered by 9v DC battery
    • Digital output to MPU
    • Analog output from the remote to the circuit board
ethics intellectual property
Ethics & Intellectual Property

Ethical or Societal Issues

  • User may not be harmed or injured if the product failed.
  • User should be cautious of body parts on and around equipment.
  • Injury or harm due to product failure can be prevent by doing adequate safety testing directly in the product design.
  • Faulty or flawed Engineering may resulted in public harm.
  • Faulty or flawed engineering can be prevented by insuring that the product designs comply with maximum safety standards.
  • Engineering of product reliability and durability is crucial for display atmosphere.
Three applicable patents:
  • Patent number:07/753,811

Title: Russel J. Jacobs

Date: September 3, 1991

  • Patent number:09/610,066

Title: Gary E. Will

Date: July 5, 2000

  • Patent number:06/248,223

Title: Jean Bullat

Date: March 27, 1981