Bomb Game

Introduction

“Should I cut the blue wire… or the red…?” This is a very common phrase in many movies when the action hero has a bomb in front of him with little time left and he has to choose which wire to cut and stop the bomb from exploding saving millions of people.

This game is just that… a count down timer and 4 wires of different colors. The player has to remove each wire until it deactivates the bomb.

Schematic

Schematic

 

Parts List

R1                   1K ohms resistor
R2                   1K ohms resistor
R3                   560 ohms resistor
R4                   560 ohms resistor
R5                   4K7 ohms resistor
R6                   10K ohms resistor
R7                   10K ohms resistor
R8                   10K ohms resistor
R9                   10K ohms resistor
R10                 10K ohms resistor
C1                   10uF capacitor
T1                    BC548 Transistor
T2                    BC548 Transistor
Piezo               HPE-120 piezo
Digits              Dual 7 segment display – LTD6410G
IC1                  16F88 microcontroller from Microchip
S1                    Push button

Others:
Box
PCB
Wires
4.8V Battery Pack
Hex program for the microcontroller

PCB

I’ve decided to build my version on a breadboard because it has a more realistic look. All the wires and components create a better game experience. Anyway I have made a pcb drawing making it possible to create a clean build. The PCB used for this Project is double layer and its size is 70.79 mm x 42.01 mm. Download the PCB files on the bottom.

How it works

Turning the power on, the display and piezo will start small introduction.
After the introduction, the message “S1” will appear on the display meaning that S1 needs to be pressed for the game to start.
All four wires must be plugged in. If one of the wires is not plugged in, the message “EE” will display meaning that an error occurred and the game will not begin.

As the game begins, the count down will start. The display shows the timer and 15 seconds is all the time we have to defuse the bomb.

There are four wires – red, green, blue and white. Unplugging them will simulate the cutting of the wire. Only one wire can be unplugged at a time and each wire can only be used once per play.

There are four actions possible – defuse the bomb, explode the bomb, increase timer speed and no consequence.

There is no need to change the color position because each position will correspond to a random action.

Every time a wire is unplugged, its action will be randomly given meaning that it’s possible that even all of the wires will not defuse the bomb.

photo_2

Main menu – waiting for S1 to be pressed to start the game

photo_3

Counting down – time to choose which wire to pull

photo_4

Four wires – red, blue, green and white

Hex Program

The Hex program named Bgame.Hex must be saved in the 16F88 microcontroller’s memory before soldering on the PCB. Download HEX in the files at the bottom.

Testing

A video of this project working can be found at the link: http://www.youtube.com/watch?v=YnFUfPpllh8

Conclusion

It’s an original game and can bring a lot of fun to the kids.

For a final look it’s possible to cut 3 pieces of PVC tube, paint them in red and glue the circuit on the tubes. This will make the traditional look of the dynamite bomb.

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PCB

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Gabriel

Would you please to send me the source code?
I want to study more about it, and I want to try new things on CCompiler.

Shane

How do I get the hex file on the 16f88 microcontroller

shane

what software do I need to get to put the hex on the chip

Lalks

What’s the point if you don’t include any source file ? And your PCB is not optimized for low quality made, your routes are too much thin.

Bilb0

Does this work? Before I spend the money on it.

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