A
Project
Team Members:
Shamlan Albahar
Rifaah Alkhamis
Doug Bloomquist
Chris Deboer
What?
• Widlife monitoring system
– Use wireless sensor network to gather data about
wildlife behavior and patterns
Why?
• Wild life research
Reduces cost
Better results
Less risky
• Environmental Impact studies
Development projects
Construction
How?
• Movement/Motion
• Take photographs
• Temperature
• Humidity
• Light
• Geological shocks, GPS, Wind
• Perform simple data manipulation and interpretation.
Temp = 700F
Humidity = 26%
Light level = 87%
Movement = TRUE
Photo
Photo
Courtesy
of Google
Maps
Key considerations
• Size and Cost
 High number of sensors
• Durability
 Exposed to elements 24
hours a day
• Power consumption:
 Replacement of batteries
not viable
 Battery life >6 months
Block Diagram for Wild Thingz
Sensors
Microcontroller
Microcontroller =
1. Required Functionality
1. Collect and package data from camera and sensors
2. Change behavior of sensor based on input from
motherboard or environmental conditions
3. Manage power of entire board
2. Constraints
1. Cost
2. Size
3. Speed/Power
Block Diagram for Wild Thingz
Sensors
Radio
Microcontroller
1100
1110
0011
1010
Radio
1. Required Functionality
1. Allows a sensor to send its data and to receive
instructions from the motherboard
2. Constraints
1. Speed
2. Transmission distance
3. Power consumption
Block Diagram for Wild Thingz
Sensors
Radio
Microcontroller
Control
Control
1. Required Functionality
1. Allow behavior of sensors to be changed
1.
Data collection rate, sleep time, transmission power, etc…
2. How will sensors be programmed and initialized?
3. Communication protocol
2. Constraints
1. How interface with sensors for programming?
2. How do sensors receive data and modify their
behavior?
Block Diagram for Wild Thingz
Sensors
Radio
Microcontroller
Control
Interface
Interface
1. Required Functionality
1. Allows data collected by sensors to be viewed
and used
2. Large amount of data should be efficiently
processed and displayed
2. Constraints
1. Large amount of data
Block Diagram for Wild Thingz
Sensors
Radio
Microcontroller
Control
Interface
Sensors
Sensors
1. Required Functionality
1. Images, motion, humidity, temperature, light,
shocks, wind, GPS
2. Constraints
1.
2.
3.
4.
Size
Power
Interface with processor (DIO pins)
Start up time, turn off time
Block Diagram for Wild Thingz
Sensors
Radio
Power
Microcontroller
Control
Interface
Sensors
Power
1. Required Functionality
1. Batteries
2. Power all components on board
2. Constraints
1. Size, voltage, capacity
2. Temperature
2.45GHz Radio Link
JN5139 Module
+3.3V
Serial
+
DIO Pins
Camera
+3.3V
Motion
+3.3V
Light
+3.3V
Temp
+3.3V
Humidity
+3.3V
JN5139 Microcontroller
• Operates at low power
– CPU processing current
consumption at
3.5[mA]  11.55 [mW]
– deep sleep current 1.3
[uA]  4.29 [uW])
• Built in radio
– Comes with an external
antenna, 4km range,
and an on board
antenna, 1km range
• Temperature Operating
Range -20° C to 70° C
LinkSprite Jpeg Camera
• 1.3 Mega Pixel
• Power Consumption
– Normal Mode Current
100[mA]  0.330 [W]
– Runs of 3.3V or 5V
• Speed
– Baud rate range 9600 to
115200
• RS232 connection to MCU
• Output JPEG format
• Size of board
– 3.2 [cm] by 2.2 [cm]
TAOS TSL2550
• Light sensor
– Converts light intensity
to a digital signal with a
two wire Serial Interface
• Power Consumption
– Active Power 1[mW]
– Power Down Mode
• Temperature Range
– 80 ° C to -40 ° C
Sensirion SHT11
• Precise Temperature and
Humidity Sensor
– Temperature Accuracy
+/- 0.5° C @ 25 ° C
– Temperature Range
-40 ° C to 123.8 ° C
– Humidity Accuracy
+/- 3.5% RH
– Humidity Range
0 to 100% RH
• Power Consumption
– 30 [uW]
PaPIRs (EKMA)
• Passive Infrared
Motion Sensor with a
Polyethylene lens
• Electrical Current
Consumption
– Sleep mode 1[uA]
– Standby mode 1.9 [uA]
• Detection Range
– Max 5m
– Horizontal 94° (+/- 47 °)
– Vertical 82 ° (+/- 41 °)
Power
• Li-ion batteries
– Prototype will run off of
a rechargeable Li-ion 3.0
[V] battery
• AAA batteries
– Final product will run off
of 2 AAA
GANTT Chart
Milestone 1
Milestone 2
Milestones
First Milestone
• Initial prototype
–
–
–
–
Motherboard
Sensor unit
Initial human interface
Wireless communication
Second Milestone
• Final network
– Testing and debugging
– Fully functional sensor units
and motherboard
Mid Range Goals
• Three sensor boards, one mother board
– Fully functional wireless communication
• Ability to send images, sensor data, and receive
instructions from mother board
• Human Interface
– Data processing and display with MatLab
– Ability for user to modify behavior of sensor
network
High Range Goals
• Sensors packaged in fully functional, weather
proof unit.
• Have data gathered by network uploaded onto
website
• Integration of additional sensors
– GPS, wind, geological shocks
• Environment model built in lab for demo day
Risks and contingency plan
• Testing expensive components
• Unfamiliar Technology :
Programming the camera
•
•
•
•
Schedule uncertainty
Ability to transmit data
Unclear photos at night
Testing in lab and real life
Division of Labor and responsibility
Task
Programming:
-Hardware (Microcontroller,
camera,…)
- Human Interface
Hardware Development:
-Selection of components
-Circuit board layout
Data Processing:
-Data algorithms
- Classification
Testing, Debugging and
Documentation for project
Primary
Secondary
Cost Estimation
Item
Quantity
Cost estimate
PCBs
3
$ 105
JN5139 Module
3
$ 84.66
LinkSprite Camera
3
$ 150.00
Temp & humid sensor
2
$ 71.98
Light sensor
2
$ 6.98
Motion sensor
2
$ 53.32
Packaging
2
$ 40
Miscellaneous parts
-
$150
Presentation expenses
-
$ 100
Total estimated cost
$ 761
Questions?