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Confidential / Copyright © SD Group 06 Spr‘12 Final Presentation Project Specs & Challenges SD Group 6: Jean Pierre Jose Paredes Luigi Evalle Andres Escalante.

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Presentation on theme: "Confidential / Copyright © SD Group 06 Spr‘12 Final Presentation Project Specs & Challenges SD Group 6: Jean Pierre Jose Paredes Luigi Evalle Andres Escalante."— Presentation transcript:

1 Confidential / Copyright © SD Group 06 Spr‘12 Final Presentation Project Specs & Challenges SD Group 6: Jean Pierre Jose Paredes Luigi Evalle Andres Escalante August 03, 2012

2 Page 2 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Senior Design Group VI Group Members Jean Pierre  Computer Engineering, B.S.  Grad: Summer ‘12 Picture Luigi Evalle Picture  Electrical Engineering, B.S.  Grad: Summer ‘12 Jose Paredes Picture  Electrical Engineering, B.S.  Grad: Fall ‘12 Andres Escalante  Electrical Engineering, B.S.  Grad: Fall ‘12 Picture

3 Page 3 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Critical Review Table of Contents Mechanical Aspect Component Breakdown Project Essentials 1. Testing 4. Milestones 5. Financials 6.

4 Page 4 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Project Essentials Main Project Overview -Photovoltaic Panel -Uses Maximum Power Point Tracking (MPPT) to efficiently charge the battery -Utilizes a DC to AC Inverter -Supports a 120VAC Output -MicroController Unit (MCU)  Enables PV Panel to track energy source  Provides LCD visual output  Uses BlueTooth technology for data logging  Maximizes available Solar Radiation -Photovoltaic Panel -Uses Maximum Power Point Tracking (MPPT) to efficiently charge the battery -Utilizes a DC to AC Inverter -Supports a 120VAC Output -MicroController Unit (MCU)  Enables PV Panel to track energy source  Provides LCD visual output  Uses BlueTooth technology for data logging  Maximizes available Solar Radiation

5 Page 5 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Project Essentials Detailed Specifications Detailed Specs: PV Panel (Max Rating): 17.5V/3.43A (60W) DC/AC Inverter:30W Battery:120W/cell, Output:30W Source Tracking every 30 Minutes  Activates Stepper Driver for 5 mins every half-hour; powers Stepper Motor, which moves PV Panel to track Light Source. Detailed Specs: PV Panel (Max Rating): 17.5V/3.43A (60W) DC/AC Inverter:30W Battery:120W/cell, Output:30W Source Tracking every 30 Minutes  Activates Stepper Driver for 5 mins every half-hour; powers Stepper Motor, which moves PV Panel to track Light Source.

6 Page 6 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 AC Output Source Tracking Project Essentials Goals & Objectives  Source Tracking feature  Will increase energy input at small energy expense  Enhanced features:  Complete Enclosure for ease of Portability  AC Output for extended time load-bearing Portab ility Efficie ncy  Maximum Power Point Tracking  Efficiency of at least 90%

7 Page 7 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Project Essentials Block Diagram Project Breakdown

8 Page 8 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Critical Review Table of Contents Mechanical Aspect Component Breakdown Project Essentials 1. Testing 4. Milestones 5. Financials 6.

9 Page 9 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Enclosure Project Physical Specs Rotating Chair Base Light-Weight Aluminum PV Frame Wooden Enclosure & Circuitry

10 Page 10 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Critical Review Table of Contents Mechanical Aspect Component Breakdown Project Essentials 1. Testing 4. Milestones 5. Financials 6.

11 Page 11 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Photovoltaic Panel  Luigi E.  Status: Acquired  100%  Component Info.

12 Page 12 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 PV Panel Types Crystaline v. Thin Film Technologies MonocrysallinePolycrystallineThin Film Efficiency22.5%11-15%9% Weight12.7 lbs13 lbs30.2 lbs Dimensions33.25 in x 21.5 in30.2 in x in39 in x 39 in Price (w/ shipping)$129.00$179.99$ Crystalline PV PanelsThin Film Higher power per areaOutput is less affected by temperature More EfficientLower Cost per Watt More available product options More Shade tolerant

13 Page 13 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 PV Panel Types Monocrystaline Monocrystalline : -Cheaper, more efficient, Light weight and Smallest Surface Area Specifications: -Max Power: 60 W -Max Power Voltage: 17.6 V -Max Current: 3.41 A -Size: in x 21.5 in -Weight: lb

14 Page 14 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 PV Panel Incidence Angle Calculation Solar Angle of Incidence: Solar panel's will more efficiently produce greater amounts of power when its oritentation is exactly perpendicular to the light source feeding it. Optimal angle depends on the geographic location of the solar panel and the current time of year. The Solar panel will be adjusted to fixed angles depending on the season (summer, spring, fall or winter) Various solar angle calculators may be found online  ”EnergyWorksUs.com calculator was used as reference for this project Once the angle from the horizontal is set, the efficiency of the panels will be further increased by utilizing solar tracking in order to have full exposure to the sun Fixed Angle (from horizontal) for Solar Panel in Central FL Area Summer13 degrees Spring/Fall28 degrees Winter43 degrees

15 Page 15 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Battery Component  Andres E.  Stat: Acquired  100%  Component Info.

16 Page 16 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Specific ations  6 cells per unit, 12V output  30Ah capability  Min charge current 1 Amp  400A Maximum discharge Surge current (~5 sec)  Battery life ~90,000 hours Conveni ence Battery Component EATON 12V 120 W Sealed Lead Acid Battery (PWHR12120W3FR)  Sealed construction.  Flame-retardant design.  Compact and low weight per avg. lead acid battery designs (23.6lbs, 4.9”x6.5”x6.9).  Wide range of operating temperatures (5°F~104°F). *Calculations per cell; 6 cells per unit

17 Page 17 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Max Power Point Tracker (MPPT) Unit  Luigi E  Status: Prototyped  100%  Component Info.

18 Page 18 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 MPPT Component Maximum Power Point Tracking: -Important because the voltage and current produced from the solar panel is variable depending on the amount of sun exposure to the solar panel. - The battery charges most efficiently 12V and 3 A. - purpose is to obtain the largest amount of voltage vs. current from a solar array. -voltage from solar panel goes to dc/dc converter which is parallel to MCU and battery -MCU chooses the maximum point at which the voltage and current will create the maximum power output as depicted by the equation P = IV. -Our goal: MPPT is to obtain efficiency of 90% -Important because the voltage and current produced from the solar panel is variable depending on the amount of sun exposure to the solar panel. - The battery charges most efficiently 12V and 3 A. - purpose is to obtain the largest amount of voltage vs. current from a solar array. -voltage from solar panel goes to dc/dc converter which is parallel to MCU and battery -MCU chooses the maximum point at which the voltage and current will create the maximum power output as depicted by the equation P = IV. -Our goal: MPPT is to obtain efficiency of 90%

19 Page 19 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 MPPT Component Algorithms: -3 different tracking Algorigthms Incremental Conductance Constant Voltage Perturb and Observe -Most widely used -MPPT will adjust voltage by small incremental amounts and measure the Power. It will continue increasing until Power no longer increases. -3 different tracking Algorigthms Incremental Conductance Constant Voltage Perturb and Observe -Most widely used -MPPT will adjust voltage by small incremental amounts and measure the Power. It will continue increasing until Power no longer increases.

20 Page 20 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Charging Stages Algorithms: Average 120W Sealed Lead-Acid battery will take Hours to fully charge The MPPT will charge the battery in 3 charging stages: o Bulk Stage MPPT will charge the battery at a constant charge current, increasing the battery’s voltage until it reaches cutoff voltage (70% Charge). o Absorption Stage As it charges the remaining 30% of the battery charge, the MPPT will slowly decrease the charge current. o Float Stage At Float Stage, the MPPT insures the battery is fully charged with a stable lower constant charge current. Average 120W Sealed Lead-Acid battery will take Hours to fully charge The MPPT will charge the battery in 3 charging stages: o Bulk Stage MPPT will charge the battery at a constant charge current, increasing the battery’s voltage until it reaches cutoff voltage (70% Charge). o Absorption Stage As it charges the remaining 30% of the battery charge, the MPPT will slowly decrease the charge current. o Float Stage At Float Stage, the MPPT insures the battery is fully charged with a stable lower constant charge current.

21 Page 21 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 MPPT Component PIC16F88 Microcontroller used: -Use the PIC16F88 microcontroller from Microchip -Program Memory: 7168 bytes Flash, 4096 Single Word Instructions -Data Memory: 368 bytes SRAM, 256 EEPROM bytes -16 I/o Pin -1 CCP (PWM) -2 Comparators -10-bit A/D -Timers 8/16 bit: 2/1

22 Page 22 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 MPPT Component MPPT Schematic

23 Page 23 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information DC/AC Inverter  Jose P.  Status: Prototyped  100%  Component Info.

24 Page 24 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 DC/AC Inverter Specs -30 watt. -Uses a pic16f628a microcontroller  C Programming Language -60 hertz produced by two waves from microcontroller. -Stp55nf06l logic mosfet, 55 amps max current. -Transformer wired backwards to attain high voltage. -PCB space is 6 inches, 4 inches. -Any AC load, no more than 30W. -PTH08080WAH Switching Regulator Per TI Datasheet, 93.5% Efficient -30 watt. -Uses a pic16f628a microcontroller  C Programming Language -60 hertz produced by two waves from microcontroller. -Stp55nf06l logic mosfet, 55 amps max current. -Transformer wired backwards to attain high voltage. -PCB space is 6 inches, 4 inches. -Any AC load, no more than 30W. -PTH08080WAH Switching Regulator Per TI Datasheet, 93.5% Efficient

25 Page 25 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 DC/AC Inverter Schematics

26 Page 26 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 DC/AC Inverter Prototype

27 Page 27 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information PV Panel Output Monitoring Unit  Jose P.  Status: Prototyped.  100%  Component Info.

28 Page 28 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Monitoring the Solar Panel Specifications Why is it important: -Efficiency calculations when comparing the efficiency of the MPPT. -Observe the effect of temperature on the solar panel's performance Voltage Coming from Solar Panel: -A voltage divider circuit will be used to calculate the voltage produced by the solar panel Why is it important: -Efficiency calculations when comparing the efficiency of the MPPT. -Observe the effect of temperature on the solar panel's performance Voltage Coming from Solar Panel: -A voltage divider circuit will be used to calculate the voltage produced by the solar panel Current Coming from Solar Panel: -ACS714 a hall effect-based current sensor which will be surface mounted to the main PCB. Chosen because it is accurate for low current readings which range up to 5 A. Specifications: -Size: 0.7" x 0.8" -Weight: 1.3 g -Current Sensitivity: 0.185V/A -Max Logic Voltage: V -VCC: 5 V -Current input: -5A - 5A Current Coming from Solar Panel: -ACS714 a hall effect-based current sensor which will be surface mounted to the main PCB. Chosen because it is accurate for low current readings which range up to 5 A. Specifications: -Size: 0.7" x 0.8" -Weight: 1.3 g -Current Sensitivity: 0.185V/A -Max Logic Voltage: V -VCC: 5 V -Current input: -5A - 5A

29 Page 29 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information MicroController Unit  Jean P.  Status: Prototyped.  100%  Component Info.

30 Page 30 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Microcontroller Development Board Comparison Chart Development BoardChip usedComes with Chip? Power jack w/ Voltage Regulator USB Or Serial Interface Programming LanguagePrice Arduino UNO - R3ATMEGA328PYES USBC$29.95 Parallax Board of Education Development BoardBasic Stamp 2NOYESUSBBasic$60.00 MSP430 LaunchpadMSP430Fxx2YES USBC$4.30 PICKit 2 Debug ExpressPIC16F887YESNOUSBC/Assembly/Basic$49.99 Arduino Mega 2560ATmega2560YES USBC$ Pin PIC Deveopment BoardPIC18F4550YES Serial/USBC/Assembly$37.95 MCU Component MCU Development Board Comparison Chart

31 Page 31 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Comes with PICkit 2 Development Programmer/Debugger  Needed to program PIC microcontrollers in our program. 44-pin Demo board with PIC16F887 Midrange PIC microcontroller Has 12 lessons on assembly programming to cover I/O, A/D converters, timers, interrupts, etc. Several lessons on using C language to program microcontrollers Comes with PICkit 2 Development Programmer/Debugger  Needed to program PIC microcontrollers in our program. 44-pin Demo board with PIC16F887 Midrange PIC microcontroller Has 12 lessons on assembly programming to cover I/O, A/D converters, timers, interrupts, etc. Several lessons on using C language to program microcontrollers MCU Component Microchip PICkit 2 Debug Express

32 Page 32 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 MCU Component Microcontroller ATmega2560 Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6- 20V Digital I/O: Pins 14 (of which 6 provide PWM output) Analog Input Pins: 6 DC Current per I/O Pin 40mA DC Current for 3.3V Pin 50mA Flash Memory: 32 KB of which.5 KB used by bootloader SRAM: 2 KB EEPROM: 1 KB Clock Speed: 16 MHz Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6- 20V Digital I/O: Pins 14 (of which 6 provide PWM output) Analog Input Pins: 6 DC Current per I/O Pin 40mA DC Current for 3.3V Pin 50mA Flash Memory: 32 KB of which.5 KB used by bootloader SRAM: 2 KB EEPROM: 1 KB Clock Speed: 16 MHz

33 Page 33 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 MCU Component Class Diagram

34 Page 34 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Tracking Component (Photoresistor)  Jean P.  Status: Prototyped.  100%  Component Info.

35 Page 35 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Tracking Component PHOTORESISTOR Size: 5.00x4.00mm Resistance on light: 5k-20k ohm Resistance in darkness: 1M ohm Max Voltage: 150V (DC) Peak Sensitivity: 560nm Sensitivity Range: CdS cells respond to light between 400nm (violet) and 600nm (orange) wavelengths, peaking at about 520nm (green). Power Supply: use less than 1mA for up to 100V (depending on power supply) Max power consumption: 100mW Operating temperature: -30 to +70°C Size: 5.00x4.00mm Resistance on light: 5k-20k ohm Resistance in darkness: 1M ohm Max Voltage: 150V (DC) Peak Sensitivity: 560nm Sensitivity Range: CdS cells respond to light between 400nm (violet) and 600nm (orange) wavelengths, peaking at about 520nm (green). Power Supply: use less than 1mA for up to 100V (depending on power supply) Max power consumption: 100mW Operating temperature: -30 to +70°C

36 Page 36 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Load Control Monitoring Unit  Jean P.  Stat: Prototyped  100%  Component Info.

37 Page 37 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Load Control Monitoring Porpuse With MCU through LCD visual output, we will display numerical values for: o Voltage output of PV panel o Current out of PV Panel o Current Angle of PV Panel o Temperature of PV panel With MCU through LCD visual output, we will display numerical values for: o Voltage output of PV panel o Current out of PV Panel o Current Angle of PV Panel o Temperature of PV panel

38 Page 38 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Load Monitoring BlueTooth Module JY-MCU HC-06 V1.03 Bluetooth Transceiver o BlueTooth Module uses serial communication to transmit data for data logging. o Can easily connect with BT-enabled computers o Uses Rx,Tx pins of MCU’s AtMega 328 chip to transmit data JY-MCU HC-06 V1.03 Bluetooth Transceiver o BlueTooth Module uses serial communication to transmit data for data logging. o Can easily connect with BT-enabled computers o Uses Rx,Tx pins of MCU’s AtMega 328 chip to transmit data

39 Page 39 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Motor Controller  Jean P.  Status: Prototyped  100%  Component Info.

40 Page 40 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Motor Controller Stepper Motor -- Designed by Brian Schmalzhaus -- from Sparkfun.com Specification: Bi-polar Micro stepping Driver used for Bi-Polar Stepper Motors Drive motor up to 2A/Phase Max Max Motor Drive Voltage: 35V On-board 5V/3.3V Regulation to use for Microcontroller Board can drive motor in Full Step, Half-Step, Quarter-Step, 1/8th –Step, 1/16th –Step Motor with 200 steps per revolution, require 3200 steps/rev for full revolution Comes with Eagle board files and schematic Overcurrent Protection with Potentiometer -- Designed by Brian Schmalzhaus -- from Sparkfun.com Specification: Bi-polar Micro stepping Driver used for Bi-Polar Stepper Motors Drive motor up to 2A/Phase Max Max Motor Drive Voltage: 35V On-board 5V/3.3V Regulation to use for Microcontroller Board can drive motor in Full Step, Half-Step, Quarter-Step, 1/8th –Step, 1/16th –Step Motor with 200 steps per revolution, require 3200 steps/rev for full revolution Comes with Eagle board files and schematic Overcurrent Protection with Potentiometer Big Easy Driver: Bi-Polar Stepper Motor Driver

41 Page 41 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Motor Component  Jean P.  Status: Prototyped  100%  Component Info.

42 Page 42 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Stepper Motors Comparison Chart Stepper Motor TYPE Website Manufacturer ID Holding Torque Oz-in Voltage Current Rating A/phase TypeWeight kgCost Nema 23Ebay 57BYGH B Vdc1.00SIZE $30.11 Nema 23Ebay 57BYGH B Vdc2.80SIZE $30.11 Nema 23Ebay 57BYGH A Vdc2.80SIZE $37.99 Lin Engineering Alltronics.co m 5718M-05E Vdc2.00SIZE 23N/A$19.95 NI NEMA 23 National Instrument Vdc0.40SIZE 23N/A$ Nema 23Ebay23HS A Vdc1.00SIZE $45.00 AMCIAMCI.comSM Vdc2.00SIZE N/A Motor Component Comparison

43 Page 43 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Stepper Motor Specifications: Size: Nema 23 Step Angle: 1.8 deg Voltage: 7.5 VDC Current/Phase: 1.0 Amp/phase Resistance/phase: 20.0 mH/ phase Holding Torque: 212 oz-in 150 N-cm Detent Torque: 7.0 oz-in 5.0 N-cm Rotor Inertia: 2.08 on-in2 380 g-cm2 Weight: 1.87 lbs 0.85 kg Available step Modes: Full, Half, Quarter, 1/8th and 1/16th Step Stepper Motor Specifications: Size: Nema 23 Step Angle: 1.8 deg Voltage: 7.5 VDC Current/Phase: 1.0 Amp/phase Resistance/phase: 20.0 mH/ phase Holding Torque: 212 oz-in 150 N-cm Detent Torque: 7.0 oz-in 5.0 N-cm Rotor Inertia: 2.08 on-in2 380 g-cm2 Weight: 1.87 lbs 0.85 kg Available step Modes: Full, Half, Quarter, 1/8th and 1/16th Step Motor Component Specs Worm Gear will limit movement while Stepper Motor is asleep.

44 Page 44 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Motor Component Stepper Motor Schematic

45 Page 45 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Motor Component Stepper Motor  Tracking Algorithm

46 Page 46 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Component Information Liquid Crystal Display  Andres E.  Status: Prototyped  100%  Component Info.

47 Page 47 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 LCD specs: Module Size(W×H×T): 98.0×60.0×14.0mm Viewing Area(W×H): 76.0×26.0 mm Character Size(W×H): 2.94×4.74 Dot Size(W×H): 0.54×0.54mm Operating Voltage: 4.5 – 5.5 V Operating Current: 1.0 – 2.2 mA Can run in 4-bit or 8-bit mode. Easily interface with Arduino using LiquidCrystal library. Customizable contrast levels for high visibility during high glare conditions. LCD specs: Module Size(W×H×T): 98.0×60.0×14.0mm Viewing Area(W×H): 76.0×26.0 mm Character Size(W×H): 2.94×4.74 Dot Size(W×H): 0.54×0.54mm Operating Voltage: 4.5 – 5.5 V Operating Current: 1.0 – 2.2 mA Can run in 4-bit or 8-bit mode. Easily interface with Arduino using LiquidCrystal library. Customizable contrast levels for high visibility during high glare conditions. HD x4 LCD Module W/ Blue backlight Liquid Crystal Display Specs

48 Page 48 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Liquid Crystal Display Pin Schematic of 20X4 LCD Module

49 Page 49 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Critical Review Table of Contents Mechanical Aspect Component Breakdown Project Essentials 1. Testing 4. Milestones 5. Financials 6.

50 Page 50 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Testing Information

51 Page 51 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Testing Information

52 Page 52 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Testing Information

53 Page 53 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Critical Review Table of Contents Mechanical Aspect Component Breakdown Project Essentials 1. Milestones Testing Financials 6.

54 Page 54 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Milestone Schedule Per Semester

55 Page 55 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Progress By Component Percent Completion

56 Page 56 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Critical Review Table of Contents Mechanical Aspect Component Breakdown Project Essentials 1. Financials Testing 4. Milestones 5. 6.

57 Page 57 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Budget Pivot Table of Actuals vs. Forecast ComponentsExpenses Forecasted Budget Remaining Budget Battery $74.99$150.00$75.01 DC/AC Inverter $143.93$50.00$93.93 Enclosure $138.23$160.00$21.77 LCD $7.88$10.00$2.12 MCU $214.56$180.00$34.56 Misc $6.40$10.00$3.60 Motor $108.24$80.00$28.24 Motor Controller $30.39$30.00$0.39 MPPT $110.29$130.00$19.71 Solar Panel $146.33$200.00$53.67 Tracking $1.98$10.00$8.02 Grand Total $983.22$1,010.00$26.78 Delta=0.03

58 Page 58 August 3, 2012 Escalante, Evalle, Paredes, Pierre © SD Group 06 Spr‘12 Thank you for your attention! …Any Questions?


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