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8TH SEMESTER SEMINAR 2015
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Contents
• Introduction
• Circuit Diagram
• Circuit Description
• PCB Layout
• Features
• Application
• Conclusion
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8TH SEMESTER SEMINAR 2015
IntroductionIntroduction
10-Apr-2015
•It is an digital speedometer-odometer which can be installed with a bike.
•Digital speedometers are found only in luxury cars and high-end motor bikes.
•The circuit uses an AT89C2051 Microcontroller, a 16x2 LCD display, 4N35 optocoupler, 24C02 EEPROM.
•It is better alternative to the mechanical speedometer & even beginner with min. skill level.
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Circuit Diagram
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Circuit DescriptionCircuit Description
•Microcontroller :- A 20-pin AT89C2051 microcontroller from ATMEL is used with CISE-Based 8051 family.
•LCD Module :- It is used to display the speed & distance traveled, here used a 16x2 alphanumeric LCD based on HD44780 controller.
•Serial EEPROM :- Electrical Erasable Programmable Read Only Memory.
•I2C Bus Protocol :- It is MultiMate bus, it uses serial data line (SDA) & serial clock line (SCL).
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•Speed Sensor :- It sends a pulse to the microcontroller each time a revolution is made.
•Optocoupler :- It is used to count the effect of bouncing.
•Power Supply :- The power supply for the circuit is drawn from the vehicles is 12 volts.
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•Digital read out.
•Speed Displayed in km/hr.
•Distance travelled displayed in km.
•Readings saved in non-volatile memory.
•Reliability due to use of the microcontroller.
•No mechanical wear & tear.
•Home-brewed speed transducer or sensor.
•Self reset to zero after completion of 99999.9km.
•Easy to built & fix on the bike.
FeaturesFeatures
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•It is used in luxury cars & motor bike.
•It is used to measured speed of the motor bike.
•It measures speed & quantity of fuel.
•It is used to counting revolution and speed calculation of cars.
•It is used for conversion of speed & display the result.
ApplicatioApplicationn
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Considering the total requirement and need of society as well as according to cost analysis and project profitability statement it is concluded that the project microcontroller based speedometer-Cum-Odometer is technically viable, financially feasible and suitable for speed measurement.
ConclusionConclusion
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