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A Project Team Members: Shamlan AlbaharRifaah Alkhamis Doug BloomquistChris Deboer
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What? Widlife monitoring system – Use wireless sensor network to gather data about wildlife behavior and patterns
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Why? Wild life research Reduces cost Better results Less risky Environmental Impact studies Development projects Construction
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How? Movement/Motion Take photographs Temperature Humidity Light Geological shocks, GPS, Wind Perform simple data manipulation and interpretation.
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Photo Courtesy of Google Maps Temp = 70 0 F Humidity = 26% Light level = 87% Movement = TRUE Photo
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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
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Microcontroller Block Diagram for Wild Thingz Sensors
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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
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MicrocontrollerRadio Block Diagram for Wild Thingz Sensors
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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 1100 1110 0011 1010
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MicrocontrollerRadioControl Block Diagram for Wild Thingz Sensors
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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?
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MicrocontrollerRadioControlInterface Block Diagram for Wild Thingz Sensors
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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
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MicrocontrollerRadioControlSensorsInterface Block Diagram for Wild Thingz Sensors
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Sensors 1.Required Functionality 1.Images, motion, humidity, temperature, light, shocks, wind, GPS 2.Constraints 1.Size 2.Power 3.Interface with processor (DIO pins) 4.Start up time, turn off time
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PowerMicrocontrollerRadioControlSensorsInterface Block Diagram for Wild Thingz Sensors
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Power 1.Required Functionality 1.Batteries 2.Power all components on board 2.Constraints 1.Size, voltage, capacity 2.Temperature
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+3.3V JN5139 Module Serial + - CameraMotionLightTempHumidity +3.3V 2.45GHz Radio Link DIO Pins
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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
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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]
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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
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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]
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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 °)
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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
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GANTT Chart Milestone 1 Milestone 2
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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
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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
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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
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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
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Division of Labor and responsibility TaskPrimarySecondary 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
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Cost Estimation ItemQuantityCost estimate PCBs3$ 105 JN5139 Module3$ 84.66 LinkSprite Camera3$ 150.00 Temp & humid sensor2$ 71.98 Light sensor2$ 6.98 Motion sensor2$ 53.32 Packaging2$ 40 Miscellaneous parts-$150 Presentation expenses-$ 100 Total estimated cost $ 761
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Questions?
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