Occupancy Sensor Report

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MORGAN STATE UNIVERSITY
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
EEGR 390 PRINCIPLES OF DESIGN
FALL 2017
LIGHT CONTROL USING AN OCCUPANCY SENSOR
OBJECTIVE: To control lighting based on room occupancy.
MATERIALS
**All materials may be obtained through Mr. Andre Lewis and all designs MUST consist of the
following:
Arduino Uno
Light Sensor
PIR Motion Sensor
INSTRUCTIONS:
Students must be sure to set the ambient light threshold to both a high and low tolerance level. This will
ensure accurate sensitivity in the design. Several trial runs may be necessary in order to achieve the
correct levels.
Each design must account for the following:
1. If the room is empty, the lights should be off regardless of ambient light.
2. If the room becomes occupied and the lights are off and the ambient light is high the lights stay off.
3. If the room becomes occupied and the ambient light is low the lights go on.
4. If the lights are on, the ambient lighting is ignored and rule 1 is applied.
EXTRA CREDIT:
Most occupancy sensors will not account for individuals who remain motionless in an area (i.e. the
individual is asleep or may be very still). Once the individual enters the area and does not move, the
sensor assumes the room is empty. However, this will cause the light to be switched off in some cases.
Therefore, any design, which considers and accounts for the presence of an individual outside of the
proximity of the motion sensor, will receive an extra 5 points added to your final grade.
Note: You will need at least one (1) of the following sensors to obtain extra credit. The items below may
not be obtained prior to submission of a working schematic/circuit design to Mr. Lewis.
Ultrasonic Distance Sensor
Temperature & Humidity Sensor
RESOURCES:
Go to the following site to download Arduino IDE 1.8.5, which is the software necessary to program the
Arduino Uno:
https://www.arduino.cc/en/Main/Software
MORGAN STATE UNIVERSITY
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
EEGR 390 PRINCIPLES OF DESIGN
2 CREDITS
LAB FORMAT
Cover page:
The cover page should include the following information:
University Name
Department Name
Course Number and Name
Instructor’s Name
Lab Title & Number
Student(s) Name(s) & Signatures
Lab Date
Objective:
What is the purpose of the lab? What are your expected outcomes? This information is usually
mentioned in the lab instructions (but do not copy verbatim).
Theory:
Includes the theory and principles associated with all devices that are used in the lab. Please
provide equations and derivations that will be used to perform specific calculations in this
section of the report.
Equipment/Material:
List all equipment used, including both hardware and software. Please be specific about the
quantity, version and model numbers that were utilized.
Schematics:
Include copies of all schematic, block and pin diagrams used for the lab.
Procedure (do not copy from the lab instructions):
•
•
Give a detailed description of steps performed BY YOU to complete the lab.
Be descriptive enough so that someone else can reproduce your work by following a
sequence of steps; however do not write a user’s manual.
Results:
The results should include the following:
•
•
•
All data graphs, which should be properly sized and labeled.
All data tables, which should be properly sized and labeled.
All calculations necessary to complete the lab.
Discussion/Analysis/Conclusion:
•
•
•
•
•
This is your opportunity to show that you understood the theory involved in the
lab.
Give your perspective of the lab. Define key terms, relate your results and
experience to the objective of the lab. What obstacles/problems did you encounter and
how did you overcome/solve them? What did you learn if anything?
Provide responses to all answers given in the lab instructions.
Overall Format:
•
•
•
DO NOT include more than two types of fonts.
DO NOT include handwritten work. All work must be typed (including formulas and
equations).
DO NOT include schematics obtained from the internet. All schematics must be modeled
in Multisim, PSpice, or equivalent software package.

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