Digital Mastermind

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# Digital Mastermind - PowerPoint PPT Presentation

Digital Mastermind. Jose Amanse Jr. Maria Erika Aranas Mija Darlene Cu Melissa Rellosa ELC 111 C Mr. Tristan Calasanz. Project Specification. Digital Mastermind is a game that enables the user to guess a combination of four decimal digits, translated into four binary bits

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### Digital Mastermind

Jose Amanse Jr.

Maria Erika Aranas

Mija Darlene Cu

Melissa Rellosa

ELC 111 C

Mr. Tristan Calasanz

Project Specification
• Digital Mastermind is a game that enables the user to guess a combination of four decimal digits, translated into four binary bits
• Output shows a series of lighted bulbs each signifying a combination of correct number and position of the keyed guesses.

LEDs

Blue:correct position and number

Green: correct number, wrong position

Game Interface

Nine Numbers:

Four Reference Inputs

Four Guess Inputs

Parts of the Circuit
• Input
• Comparator
• Output
Input
• Schematic of Input to Memory
• Electronic WorkBench EWB Simulation
• To simulate please press space once then B twice then put to low one of your inputs, press space, twice B, then input. Repeat last two steps until the last LED in the Serial-in-Parallel-out is lighted.
• First four inputs are for the Reference code
• Last four inputs are for the Guess code
• This simulation should be done with an EWB Software
• Open File input2memory.ewb
• Aissa’s Writeup
• Jun’s Writeup

Back

Input

Detailed Schematic

Back

Comparator
• Schematic of Comparator
• EWB Simulation
• Given the Reference input 0 (1111), 2 (1011), 8 (1110), 4 (1101). Inputs refer to the truth table of 74LS147
• Given the Guess input 2 (1011), 2 (1011), 8 (1110), 7 (0001).
• Press 1 twice then if LED lights up, the two numbers compared at that time are different.
• To finish all 16 comparisons, press 1 twice until all LEDs in the binary counter outputs light up.
• Open file comparator.ewb
• Erika’s Writeup

Back

Comparator

Detailed Schematic

Back

Output
• Schematic of Serial to Parallel Output
• EWB Simulation
• Press C twice and then 1 twice
• Repeat until the binary counter reaches its maximum count (Don’t Forget to Press CC after this!)
• Blue LED correspond to right number, right position
• Green LED correspond to right number, wrong position
• For the given code(see comparator) the output has two blue LEDs lighted up.
• Open File comparator2output.ewb
• Yammy’s Writeup
Serial to Parallel Output

Detailed Schematic

Actual Circuit

Input

Comparator

Serial to Parallel Output

Actual Circuit