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Accelerometer and LED Sensor Array Based Remote Control Car
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Accelerometer and LED Sensor Array Based Remote Control Car

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  • 1. FINAL YEAR PROJECT SEMINAR ON:
  • 2.  Project Guide : Prof. Ankita Patel  Project Co-guide : Prof. Kavita Joshi  Group Code : ETC15  Group Members : ANIKET BHOR ABHIJEET KALBHOR ABHIJEET KAPSE
  • 3. OBJECTIVE  New Control Mechanisms.  Two Controls for a Car.  DUAL-AXIS ACCELEROMETER and LEDs (Light Emitting Diodes) configured as photo-detectors.
  • 4. INTRODUCTION  Two-axis Accelerometer used as a tilt sensor  Detects how far the chip was angled from its neutral, (Horizontal) Flat position.  A digital o/p for both the x & y-axes  Which corresponds to how far the accelerometer was tilted & in what direction.
  • 5.  A custom LED array was also used to control the car.  LEDs - Traditionally used as light producing elements,  They also produce a voltage corresponding to how much light they receive – brighter environments produce a greater voltage across the LED.  An Infrared Distance Sensor – For Obstacle Avoidance
  • 6. Accelerometer LED Array Microcontroller on Tx Side Wireless Transmitter Module Wireless Receiver Module Microcontroller on Rx Side Motor Drive Mechanism IR Sensor (For Obstacle Avoidance)
  • 7. FREESCALE MMA 7361L DUAL-AXIS ACCELEROMETER  An Accelerometer measures the acceleration  Used to sense orientation, vibration and shock.  Present in portable electronic devices and video game controllers. The accelerometer (MMA7361 L) by Freescale Semiconductor.
  • 8. SIMPLIFIED MODEL OF TILT SENSOR
  • 9. 4 BUTTON SENSOR ARRAY  4 LED SENSORS – Forward, Reverse, Left, Right.  To accomplish this, each LED was connected to an LM711 op- amp in a non-inverting configuration.
  • 10. TRANSMITTER UNIT Figure : Transmitter Schematic (For Example)
  • 11. RECEIVER UNIT Figure : Receiver Schematic (For Example)
  • 12. HARDWARE REQUIREMENT Components ATMega32 µC / 8051 µC MC13202 (2.4 GHz Low Power Transceiver for the IEEE® 802.15.4 Standard) X 2 [ZIGBEE Supported] Suitable Antenna (iBall 2.4 Ghz Wireless Antenna) X2 MMA7361L: 3-Axis Analog Output Acceleration Sensor IR sensor (From T.E. Project) LEDs for SENSOR ARRAY Other
  • 13. SOFTWARE REQUIREMENT Software Purpose Diptrace PCB Design Layout Keil µC Programming Flashmagic IC Burning Other ZigBee Compiler & Burner LANGUAGES REQUIRED: 1. EMBEDDED C / ASSEMBLY LANGUAGE 2 . ZIGBEE / SMAC PROGRAMMING IDE
  • 14. SCOPE OF PROJECT (APPLICATIONS)  Scientific  Military and Law Enforcement  Search and Rescue  Recreation and Hobby
  • 15. SUMMARY  Importance in the Robotics & Commercial Industries.
  • 16. REFERENCES  Wikipedia  Using Light Emitting Diode Arrays as  Touch-Sensitive Input and Output Devices – Scott E. Hudson Human-Computer Interaction Institute Carnegie Mellon University, Pittsburgh  http://www.cornell.edu - Cornell University  http://www.zigbee.org - ZigBee Alliance Homepage

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