accelerometer and led sensor array based remote control car
TRANSCRIPT
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FINAL YEAR PROJECT SEMINAR ON:
ACCELEROMETER & LED SENSOR
ARRAY BASED WIRELESSREMOTE CONTROLLED
CAR
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Project Guide : Prof. Ankita Patel
Project Co-guide : Prof. Kavita Joshi
Group Code : ETC15
Group Members : ANIKET BHOR ABHIJEET KALBHOR ABHIJEET KAPSE
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OBJECTIVE
New Control Mechanisms. Two Controls for a Car.DUAL-AXIS ACCELEROMETER and LEDs (Light
Emitting Diodes) configured as photo-detectors.
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INTRODUCTIONTwo-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.
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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
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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)
Digital i/p
Digital i/
p
Tx D
ata
(With
Su
itab
le
Pro
tocol)
REMOTE CONTROL SIDE
CONTROLLED CAR SIDE
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FREESCALE MMA 7361L DUAL-AXIS ACCELEROMETERAn 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.
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SIMPLIFIED MODEL OF TILT SENSOR
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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.
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TRANSMITTER UNIT
ZIGBEE
Figure : Transmitter Schematic (For Example)
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RECEIVER UNIT
Figure : Receiver Schematic (For Example)
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HARDWARE REQUIREMENT
Components
ATMega32 µC / 8051 µCMC13202 (2.4 GHz Low Power Transceiverfor the IEEE® 802.15.4 Standard) X 2 [ZIGBEE Supported]Suitable Antenna (iBall 2.4 Ghz Wireless Antenna) X2MMA7361L: 3-Axis Analog Output Acceleration SensorIR sensor (From T.E. Project)LEDs for SENSOR ARRAYOther
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SOFTWARE REQUIREMENT
Software PurposeDiptrace PCB Design LayoutKeil µC ProgrammingFlashmagic IC BurningOther ZigBee Compiler & Burner
LANGUAGES REQUIRED:
1. EMBEDDED C / ASSEMBLY LANGUAGE2 . ZIGBEE / SMAC PROGRAMMING IDE
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SCOPE OF PROJECT(APPLICATIONS)
Scientific Military and Law Enforcement
Search and Rescue Recreation and Hobby
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Importance in the Robotics & Commercial Industries.
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REFERENCES
WikipediaUsing Light Emitting Diode Arrays as Touch-Sensitive Input and Output Devices – Scott E. Hudson Human-Computer Interaction InstituteCarnegie Mellon University, Pittsburgh
http://www.cornell.edu - Cornell Universityhttp://www.zigbee.org - ZigBee Alliance Homepage
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THANK YOU