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SMART DOG DOOR: 

SMART DOG DOOR Group # 9 John Balfe Phuong Nguyen Hung Nguyen Chau Nguyen This presentation will probably involve audience discussion, which will create action items. Use PowerPoint to keep track of these action items during your presentation In Slide Show, click on the right mouse button Select “Meeting Minder” Select the “Action Items” tab Type in action items as they come up Click OK to dismiss this box This will automatically create an Action Item slide at the end of your presentation with your points entered. Reprinted with permission from Smarthome.com

Overview: 

Overview Objective Administration Contents Programming the door Collar Unit The door installation Questions???

Objective: 

Objective Reduce time consuming job. Allow only dog with particular collar to access to the house. Protect the house from neighbor dogs.

Administration Contents: 

Administration Contents John is administratively responsible for programming the circuit board, which makes the door to open at the desired time. Phuong and Chau are administratively responsible for the collar transmitter and receiver. Hung is administratively responsible for the door installation.

Overall Picture: 

Overall Picture

Specifications: 

Specifications Door sets to open 3 times/day with a duration of 5 minutes each time. The dog needs to be 3 ft. from the door Security option: The door only opens in a specified time frame .

Clock Generation: 

Clock Generation By John Balfe

Clock Generation: 

Clock Generation Specifications: Make a Programmable clock 6 by 6 inches or less. Maximum voltage 12 V. Objectives: Display time and day of the week. Be able to program a start and stop time.

Clock Generation: 

Clock Generation Clock Designs: Build Programmable clock from Divide by 10 and Divide by 6 counters. PLC (Programmable Logic Circuit). Microcontroller.

Clock Generation: 

Clock Generation Microcontroller Programming Board LCD

Slide11: 

Microcontroller Motor Locking Mechanism Receiver Transmitter (On Dogs Collar) LCD Display Circuit Block Diagram Clock Generation

PIC16F84 -18 lead PDIP: 

PIC16F84 -18 lead PDIP Mid Ranged Architecture. 18 pin, 8 bit. 1024 Words of Program memory. RAM 68 Bytes. EEPROM 64 Bytes. 13 Input \ Output pins. Operating Voltage Range 2.0V to 5.5V. Power Consumption 2 ma @ 5V, 4 MHz.

Programming Boards: 

Programming Boards El Cheapo EPIC PICSTART Plus PRO MATE II

PICSTART Plus System: 

PICSTART Plus System Provided by the University PICSTART Plus device programmer, programs up to a 40 pin microcontroller. RS-232 interface cable MPLAB IDE PICLITE C compiler 9V Power Supply

Clock Generation: 

Clock Generation Design # 1

Slide16: 

Serial Line Gnd +5V LCD RA2 RA3 RA4/TOCKI MCLR Vss RB0/INT RB1 RB2 RB3 RA1 RA0 OSC1 OSC2 Vdd RB7 RB6 RB5 RB4 PIC16F84 4 MHz Crystal Resistor (4.7 K) Capacitor (.1 F) Capacitor (22 pF) Clock Generation Circuit Schematic 5 VDC Resistors (820 ) Resistors (10 K)

BPI-216L LCD Display: 

BPI-216L LCD Display Permission pending by seetron.com Permission pending by seetron.com

BPI-216L Serial LCD Module: 

BPI-216L Serial LCD Module Receives serial data @2400 or 9600 baud. Two modes, text and instruction 3 lines +5 Vdd, GND (Vss), and Serial. 13 Code Instructions. Size (80 mm Width, 36 mm height) Power required 4.8 to 5.2 Vdc @ 40 mA

Programming BPI- 216L: 

Programming BPI- 216L Example Program. ASCII 254 Needed before character position. Code. Pause 1000 Serout 1, N2400, (254, 1) Pause 2 Serout 1, N2400, (“Hello World.”) Serout 1, N2400, (254,192) Pause 2 Serout 1, N2400, (“Position Set by 254,192”) End Hello World. Position Set by 254,192 LCD Display Line 1 Line 2

LCD Display Screen: 

LCD Display Screen

Clock Generation: 

Clock Generation Design # 2

Slide22: 

Vss Vdd Vo Rs R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 A K LCD Capacitor (.1 F) RA2 RA3 RA4/TOCKI MCLR Vss RB0/INT RB1 RB2 RB3 RA1 RA0 OSC1 OSC2 Vdd RB7 RB6 RB5 RB4 PIC16F84 4 MHz Crystal Resistor (4.7 K) Capacitor (.1 F) Clock Generation Circuit Schematic Potentiometer Set SW Increment hours. SW Increment minutes. SW 5 VDC Data lines Control lines GND + 5 Volts Resistors (820 ) Resistors (10 K)

PC1601A-L LCD Display: 

PC1601A-L LCD Display Back side of LCD Front side LCD

PC1601A-L LCD Display: 

PC1601A-L LCD Display 16 Characters, 1 Line. Vdd - Vss 4.7 to 5.3 Volts. Idd 2.5 mA max. Character Size 3.07 mm width * 6.56 mm. Height.

LCD Pin Connections: 

LCD Pin Connections

Programming PC1601A-L: 

Programming PC1601A-L Sample Code. Hourset: btfsc flags,SW2 goto CHECK_TIME incfsz hours,1 goto CHECK_TIME movlw MAXHRS movwf hours goto CHECK_TIME

Slide27: 

Collar Unit Phuong Nguyen

Collar Unit: 

Collar Unit Specifications: Device weights about 4 oz and its dimensions are 1 ½ x 1 ½ x 1. Using battery for power supply. Distance range 3 – 5 ft. RF signal transmissions. Compatible encoder.

Collar Unit: 

Collar Unit Goals: Prepare the data for effective transmission so that the unit characteristics can be achieved.

Collar UnitBlock Diagram: 

Collar Unit Block Diagram Transmitter Encoder Power

Why AT-MT1-433?: 

Why AT-MT1-433? Miniature two pin package SAW resonator stability CMOS/TTL compatible input Low current ( typical 5 mA) Wide power supply range 1.5-13V

AT-MT1-433: 

AT-MT1-433 Permission by abacom

AT-MT1-433: 

AT-MT1-433 Data (pin 1) CMOS/TTL compatible input. Input must be driven with appropriate current limiting resistor to provide the module with 5mA. Ground (pin 2) Ground connection, preferable connected to a solid ground plane. The AT-MT1-433 requires a current limiting resistor (Rd) to source the module with the required drive current. The value of Rd depends on the drive voltage: Rd = Drive voltage / 5mA

AM-MT1-433Electrical Characteristics: 

AM-MT1-433 Electrical Characteristics

ATMT1 interfaced to HT12E data encoder: 

ATMT1 interfaced to HT12E data encoder Permission by abacom

Why HT12E?: 

Why HT12E? Operating voltage at 2.4V-12V Low power and high noise immunity CMOS technology Low stand-by current Positive polarity for data code Minimal external components Compatible with AT-MT1-433 transmitter

HT12E: 

HT12E Permission by abacom

Block Diagram of HT12E: 

Block Diagram of HT12E Permission by abacom

Difficulties Encountered: 

Difficulties Encountered Try to find a solution to limit the distance range. Voltage compatibility.

Slide40: 

Reception Unit Chau Nguyen

Reception Unit: 

Reception Unit Specifications: Compatible with transmitter. DC power source Goals: To effectively receive the signal from the transmitter. To effectively transfer the code to the main circuit board.

Reception UnitBlock Diagram: 

Reception Unit Block Diagram Power Receiver Decoder

Why AM-HRR3-433? : 

Why AM-HRR3-433? Compact hybrid module Very high frequency stability With no adjustable components CMOS/TTL compatible output Low current consumption: AM-RR3 TYP 0.8mA Available on 418MHz and 433MHz

AM-HRR3-433: 

AM-HRR3-433 Permission by abacom

Electrical Characteristics: 

Electrical Characteristics Permission by abacom

Why HT12D?: 

Why HT12D? 2.4V - 12V operation Low power, high noise immunity Minimal external components Compatible with the HT12E encoder IC’s Compatible with AM-HRR3-433

HT12D: 

HT12D Permission by abacom

HT12DBlock Diagram: 

HT12D Block Diagram Permission by abacom

Electrical Characteristics: 

Electrical Characteristics Permission by abacom

Slide50: 

Door Installation Hung Nguyen

Overall picture: 

Overall picture The dog has to be maximum of 3 ft way from the door for the door to unlock. Reprinted with permission from Smarthome Inc.

Door’s equipment: 

Door’s equipment Cut hole size for large dogs is 16 7/8” x 11.5” 2 hinges of 2x1 inches 12 one inch wood screws 2 brackets and 1 pin

Steps of Installation: 

Steps of Installation Measurement and marking is very important in installation the dog door. Measure on the outside of your house door or wall approximately 15 cm (6 inches) from ground level. Mark the measurement and draw a straight horizontal line 11.5 inches. Ensure line height is sufficient to avoid weakening the base of the door. Cutting a hole for your dog door.

Installation, Cont…: 

Installation, Cont… Drill holes at each corner after the dimensions for the cut off size are 429 mm by 291 mm. Place dog door and make the screw holes. Drill 5 holes with 5 mm drill piece Bolt the dog door to the door wall.

Standard size of dog door: 

Standard size of dog door

Difficulties encountered: 

Difficulties encountered Chosen DC/AC motors, which we are going to figure out. Lacking knowledge in door installation Still researching connecting motor to Microcontroller

Improvement: 

Improvement Do more research and testing to choose the right motor. Precise measurements are needed to make door fit properly. More practice on circuit board

Stepper Motor: 

Stepper Motor Range in size from 8-15mm in diameter with 20-24 full steps per revolution. DC steppers can be driven open loop eliminating the need for bulky encoders. Two phase permanent magnet stepper motor. It offers the widest array of gearing, from planetary to zero-backlash spur, available in the industry. It requires feedback it offers a full line of magnetic encoders. Complete line-up of drive electronics including a micro-stepping drive for smooth performance.

ARSAPE 2-phase stepper motors feature: 

ARSAPE 2-phase stepper motors feature Compact and lightweight, ranging from 8mm-15mm in outer diameter and weighing as little as 3.3 grams. High speed, low current operation. Producing useable torque at speeds as high as 36,000 rpm! Precise open-loop operation Available with a wide range of precision planetary, spur, hybrid and zero backlash gearboxes Quadrature encoder feedback available from 8 to 15mm diameter

Stepper motor: 

Stepper motor Permission from Circuit Exchange International.

Motor Control Circuit: 

Motor Control Circuit Permission from Circuit Exchange International.

Estimated Budget: 

Estimated Budget Product Price PIC16F84-18 sample PC1601A-L LCD $ 58.99 PICSTART Plus borrow Motor $ 6.87 AT-MT1-433 $ 12.60 AM-HRR3-433 $ 10.95 HT12E $ 3.46 HT12D $ 3.46 Misc. Item $ 20.00 Total $116.33 This project is self-sponsor.

Work Distribution: 

Work Distribution

Progress: 

Progress

Milestone : 

Milestone

Slide66: 

Questions