Holiday Hacks

361 Articles

Fembot Costume Includes Smoking Nipples

October 31, 2012 by 16 Comments

The greatest of Halloween costumes start with an idea, but they’ve also got to have strong execution to pull the whole thing off. This year  [Johanna Jenkins] decided to put together a Fembot Halloween costume which is a wonderful example of this concept. Going as a Fembot from Austin Powers: International Man of Mystery sounds like a lot of fun right off the bat, but a bit of work at the sewing machine and access to a wig shop in Hollywood really brought it to the next level. But [Johanna] didn’t stop at that. The Fembots have machine guns in their bras. After they’ve torn through all of their ammo they’re left with smoking barrels as nipples, and that final touch even made it into the costume. In the video after the break you can see [Johanna] showing off the small battery operated fog system she piped into the costume bra.

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A Scary Pumpkin Pi

October 31, 2012 by 2 Comments

headless-scarecrow

What do you get when you combine motion sensors , a Raspberry Pi, and a pumpkin? When it’s Haloween, a headless scarecrow with a light-up carved pumpkin in its lap! The execution of this hack is really great, and the resulting effect, as shown in the video after the break, should be extremely scary to any kids that come knocking.

One neat effect of this hack is that it uses X10 home automation modules to turn off the porch lights for an extra scary effect. After this, the jack-o-lantern lights up and says “help me!” If you’d like to duplicate, or build on this hack, instructions are provided as well as source code for everything on the page. While you’re there, be sure to poke around on [Insentricity] as there are quite a few other hacks available for your perusal! Don’t forget sure to send us any other Halloween hacks that you come up with.

[youtube http://www.youtube.com/watch?v=PtaxgfQZSm4%5D

Nyan Cat Hat Will Be The Hit Of The Party…. For About One Minute

October 30, 2012 by 26 Comments

Seriously, this Nyan Cat hat is the only part needed for a fantastic Halloween costume. It looks pretty good in this still image, but we dare you to watch the clip of it in action (embedded after the break) without letting a beaming grin creep onto your face. Everyone’s going to just love this… until it starts to get really annoying.

When switched on, the iconic meme rotates around the headgear, bobbing its head and tail as she sings the song of her people. There are also stars made of white LEDs that twinkle very brightly in the process. The presentation is quite good, but even better is seeing the build process. Luckily [Ben Katz] posted a series of detailed articles during the adventure. The mechanism responsible for driving the cat around the hat was laser cut from acrylic. It includes a large gear with teeth on the inside, which is interface by a continuously rotating servo motor with a much smaller gear. The head and tail bobbing are purely mechanical, using the revolving motion to turn a spindle as the cat makes its way around the brim.

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Halloween Props: Monster In A Box

October 30, 2012 by 2 Comments

This furry Halloween decoration proves to be a simple build, but it’s still quite popular with the little ones. [Chris] had a Halloween party for a group of 2-5 year olds and this monster that peeks out of a box was a huge hit. The trick really isn’t in the complexity of the build, but in the interactivity.

The enclosure is just a shoe box which has been covered in synthetic black fur. The lid was hinged on the back, and a hobby servo with a bit of an extension on the arm is used to lift the front which reveals the monster’s paper eyes. Inside you’ll find an Arduino, breadboard, and battery pack. It’s not visible above, but a distance sensor on the front of the box is monitored by the Arduino. When it detects something in front of it the servo fires up and pops open the lid. The firmware includes a timer so that the monster waits a bit before taking its next peek at the party.

Pumpkin Tetris Inspired By Our Own LED Jack-o-lantern

October 29, 2012 by 12 Comments

The kids (or maybe their parents) are going to be lined up at [Nathan’s] front porch to get their turn at playing pumpkin Tetris. That’s right, he built a game of Tetris into a real pumpkin. We thought this looked quite familiar when we first saw it and indeed he was inspired by our own LED Matrix Pumpkin from two Halloweens ago. We love seeing derivative works and [Nathan] definitely make few great improvements to the process.

The matrix itself was wired in very much the same way we used, but he added an additional 58 LEDs to nearly double the size of the display. He used a paper grid and power drill to make room for the holes, but improved the visibility of the lights by sculpting square pixels in the skin of the fruit. But how does one control the game? The stem of the pumpkin is actually a joystick. One of the most innovative parts of the physical build was to use drywall anchors on the inside to mount the joystick hardware.

Don’t miss a demo video after the jump.

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Halloween Props: Ghoul In The Box Puts On A Pretty Good Show

October 29, 2012 by 1 Comment

[Tim’s] ghoul in the box project has all the elements of a classic Halloween prop. He built it for last year’s display but we’re sure it will be a perennial favorite.

As the name implies, it’s modeled after a Jack-in-the-box toy. Fittingly, it’s decorated with bright, happy colors and includes a crank on the right side of the box. But you don’t need any man-power to make it work. Hidden in the red circle at the center of the front panel is a motion sensor. Walk in front of the box and one of two modes will be triggered. The crank may start up and a happy rendition of Pop Goes the Weasel plays. But as it nears the end of the song the tempo slows and the pitch drops as if running out of steam. It’s perfect foreshadowing for the vigorous bursting forth of the ghoul inside.

The demo after the break gives you a look at the operation, as well as the components used in the build.

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