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Published byGladys Shepherd Modified over 9 years ago
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Group Members: Mariam Al Junaibi Shaikha Al Shamsi Shaikha Al Maskari
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Purpose Make an intelligent restaurant with a digital menu and pay machine. That will help the customers to depend on themselves and to replace the waiter by this technique.
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Flowchart
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Introduction Our Idea Digital Menu Smart Pay Machine Smart Screen
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Digital Menu Program the microcontroller C++ Program
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Components LCD Display 8051 microcontroller- AT89C51 Keypad 4x4 33pf Capacitors 10pF Capacitor 8.2K Resistor 11.0592MHz Crystal
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Data Sheet (Microcontroller & Keypad)
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Data Sheet for the LCD
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Circuit
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Pay Machine We need pay machine to allow customer to pay. Pay Machine have 2 section: 1. circuit to count the coins 2.Add program to connect the senor to the microcontroller to display the counting in the LCD
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Components Count the coins Optical sensor 2- resistor (240Ω) 5Voltage Wire Jumper
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Optical sensor The HOA2001 consists of an infrared emitting diode facing an Opto Schmitt detector encased in a black thermoplastic housing. The buffer logic provides a high output when the optical path is clear, and a low output when the path is interrupted.
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Multisim
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Circuit
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Smart Screen
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Component 7-Segment Display Resistor 7-Segment Decoders/Drivers (Driver 7447) four ways switch Jumper wires Power Supply
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The Datasheet
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Circuit Explosion
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Circuit
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binary code table
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Solar Energy System
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Components LM7805 5V Voltage Regulator Fuse Capacitor
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Circuit
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Build the Circuit
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It is help to get the order faster than the normal one Save money ( because we do not have any waiters or accountant ) keep pace with the technological area We know that we are in the era of speed
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