Illustration for article titled Defcon Ninja Badge Gallery

The DefCon 18 Ninja Networks badge on the left is clearly leaps and bounds ahead of the the previous year's badge, which was impressive for a badge permitting entry to a free party.

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Illustration for article titled Defcon Ninja Badge Gallery

The badge comes with a booklet that is a near-perfect replica of a Nintendo video game manual.

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Illustration for article titled Defcon Ninja Badge Gallery

The badge's LCD display connects to an Arduino for graphics testing.

Illustration for article titled Defcon Ninja Badge Gallery

The back of the badge lists the creators and sponsors and contains hidden messages.

Illustration for article titled Defcon Ninja Badge Gallery
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The badge comes in a fancy box with an instruction booklet, battery and lanyard.

Illustration for article titled Defcon Ninja Badge Gallery
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The badge is wired in to an Android phone running custom software that passively collects player's scores and uploads them to the leader board display.

Illustration for article titled Defcon Ninja Badge Gallery
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With the LCD removed the processor, shift-registers and handily placed and labeled test and debugging points can be seen. Note the headers on the lower left for easily attaching a programming cable.

Illustration for article titled Defcon Ninja Badge Gallery
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Creators used an iPhone app to test gameplay while the badges were being built. This screen shows the general stats of a player's ninja.

Illustration for article titled Defcon Ninja Badge Gallery
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The enemy list shows nearby ninjas a player can choose to fight.

Illustration for article titled Defcon Ninja Badge Gallery
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During the fight, stats are displayed onscreen.

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Page 1 of the instruction manual warns the badge holder that the badge they have is wireless and talks to other badges.

Illustration for article titled Defcon Ninja Badge Gallery
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Page 2 shows a quick-start guide.

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Page 3 of the manual explains the controls of the badge.

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