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Embedded System - Dtmf robot

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Embedded System - Dtmf robot …

Embedded System - Dtmf robot
if some one is interested in making such kind of robot
please feel free to contact

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  • 1. LEARNING OBJECTIVES  Write software routines in Embedded C to configure and use device peripherals using MikroC and PIC Burner.  Data and Program memory organisation and how to access them in PIC Microcontroller.  Programming and interfacing of the PIC16F73 microcontroller.  PCB Designing using OrCad (Capture and Layout), PCB Etching.  Interfacing and Programming Minor Robots. Driving Motors and other outputs using controller peripherals.  Embedded System: Microcontrollers Over Microprocessors, PIC Microcontroller
  • 2. Embedded system over simple electronic system :  Whole design become more secure using software.  System become more compact  It reduce the cost and size of product  It reduces the power consumption. In Embedded system the processing of electronic hardware is control or monitor by the software through CPU chip (MP or MC).
  • 3.  Peripheral Interface Controller  Developed by Microchip Technology in 1975  Microcontrollers  NOT Microprocessors  Microprocessor system with number of components (EEPROM, RAM, I/O Support) High performance RISC CPU. Only 35 single word instructions to learn. Operating speed: DC - 20 MHz . Up to 8K x 14 words of FLASH Program Memory. 192 x 8 bytes of Data Memory (RAM). on-chip RC oscillator for reliable operation. Programmable code protection. Selectable oscillator options. SPECIAL FEATURES Timer0: 8-bit timer/counter with 8-bit prescaler. Timer1: 16-bit timer/counter with prescaler. Two PWM modules 5-channel 8bit Analog-to-Digital converter. Universal Synchronous Asynchronous Receiver Transmitter (USART). Brown-out detection circuitry for Brown- out Reset (BOR). PERIPHERAL FEATURES
  • 4. SPECIAL PURPOSE PINS (6) MCLR/VPP-(pin 1): GND/VSS –(pin 8): Provide Ground to it. OSC1/CLKIN-(pin 9):Oscillator crystal input/external clock source input OSC2/CLKOUT-(pin 10) GND/VSS (pin 19):Ground reference for logic and I/O pins VDD (pin 20):Positive supply for logic and I/O pins. GENERAL PURPOSE PINS(22) The 22 GPIO divided into three PORTS. PORTA (pin 2 to 7) PORTB (pin 21 to 28) PGD(RB6) : Programming Data PGC(RB7) : Programming clock PORTC -(pin 11 to 18)
  • 5. ORCAD (CADENCE) CAPTURE The Capture CIS links component information, such as PCB package footprint data where one can place parts; wires; buses and draw graphics with the circuit symbol in the schematic and create the net list LAYOUT OrCAD's Layout gives functionality to define placement, perform critical routing, design rule check, Copper pouring, Drill settings, Silk screen setting and design complete circuit boards where autorouting is not needed. CAPTURE LIBRARIES FOOTPRINT LIBRARIES LAYOUT GERBER TOOLS GERBER AND DRILL FILES GERBER AND PLOTTER DRAWING
  • 6. BOTTOM LAYER LAYOUT PCB ETCHING DRILLING AND SOLDERING PIC KIT
  • 7. PROJECT DTMF CONTROLLED ROBOT The major building blocks of this project are Regulated Power Supply, GSM Modem/Phone, Microcontroller based Control Unit, Robot Mechanical Assembly, DTMF Drivers. DTMF Controlled Wireless Robot” is capable of receiving a set of command (instructions) in the form of DTMF tones and performs the necessary actions. Here DTMF stands for “Dual tone multiple frequency. The mobile unit which is dedicated at the robot is interfaced with an intellectual device called Microcontroller so that it takes the responsibility of decoding the tones received and perform the corresponding predefined tasks such as move front or back, left or right etc. The micro controller is also interfaced with few DC motors in order to move the robot in different directions. The ON and OFF of the DC motors depends on the direction it has to move which is the complete responsibility of the controller to take those intelligent decisions.
  • 8. LCD PIC PROGRAMMING KIT DTMF CONTROLLED ROBOT
  • 9. LEARNING OUTCOMES  Designing a circuit and fabricating it on PCB using most widely OrCad Software.  I became familiar with Embedded Systems (Microcontrollers). Advantages of Microcontrollers over Microprocessors.  Programming PIC Controller using Embedded C Language. Interfacing of controller with Peripherals.  Using PIC Controller designing Minor Robots – Manual Robot, Line follower, DTMF Robot.  Interfacing, Programming and controlling these robots using Switches, Sensors and radio links.