Published on September 22, 2013
FINAL YEAR PROJECT SEMINAR ON:
Project Guide : Prof. Ankita Patel Project Co-guide : Prof. Kavita Joshi Group Code : ETC15 Group Members : ANIKET BHOR ABHIJEET KALBHOR ABHIJEET KAPSE
OBJECTIVE New Control Mechanisms. Two Controls for a Car. DUAL-AXIS ACCELEROMETER and LEDs (Light Emitting Diodes) configured as photo-detectors.
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.
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
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)
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.
SIMPLIFIED MODEL OF TILT SENSOR
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.
TRANSMITTER UNIT Figure : Transmitter Schematic (For Example)
RECEIVER UNIT Figure : Receiver Schematic (For Example)
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
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
SCOPE OF PROJECT (APPLICATIONS) Scientific Military and Law Enforcement Search and Rescue Recreation and Hobby
SUMMARY Importance in the Robotics & Commercial Industries.
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