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Archive for the ‘Halloween Projects’ Category

October 31st is almost here and we’re all super excited, because this is the perfect time for some DIY fun! Nothing to wear? Not a problem! Need a spook-tacular decoration? We’ve got just the thing.

To help get you into the spirit, we’ve selected a handful of Halloween-themed projects from the Arduino Project Hub that will surely catch the attention of trick-or-treaters (or send them screaming into the night.)  

Talking Triceratops Skull

Make your Echo Dot a bit more interesting than a hockey puck using an Arduino Uno, a Motor Shield, a 3.5mm TRS splitter, and an amplified speaker.

Animatronic Halloween Prop

This Arduino Mega-based robot can be operated remotely from your smartphone or move about autonomously, complete with creepy lights and a terrifying soundtrack.

LED Eye Mask

Stand out as you walk through the neighborhood by customizing a store-bought mask with an eye made of LEDs and a mouth that flashes red. 

Dropping Spider

Here’s a quick, last-minute scare prank for your porch. Drop a fake spider on anyone that tries to ring your doorbell via an Arduino Uno, an HC-SR04 ultrasonic sensor, and a servo. 

Ultimate Dry Ice Machine

Add some special effects to your party with a 3D-printed, Arduino Nano-powered fog machine that’s controllable over Bluetooth. 

Have a project of your own? Be sure to share it with us! 

Halloween has become something of a hacker holiday, giving creative people the world over a chance to show off their spooky animatronic inventions outside without neighborhood scrutiny. This year, Instructables user “gocivici” created a display inspired by the doll in a rocking chair featured in the movie Annabelle, but decided to use an Arduino-infused teddy bear instead. 

The setup is simple but effective, using an Arduino Nano and solenoid to rock the chair. The bear’s head rotates using another Arduino board—an Uno this time—along with a second solenoid and 3D-printed assembly stuffed inside. Control is accomplished via a small wireless remote, though a motion sensor could also be employed.

The idea of a mechanized walking suit to carry you around seems like a great idea, but having a practical leg assembly for it is still a futuristic concept. As seen here however, if you’re still a kid, you might be able to get your dad to carry you around in a custom suit fashioned after a MechWarrior vehicle.

The suit is beautifully designed by creator Gridlock Cosplay, and features an Arduino-powered control system. This allows the little pilot to command the mech’s human “engine” via a joystick and system of lights. The suit also features exterior and interior lights, a pilot cooling fan, spinning “radar” assembly, retractable pilot cage, and of course a cell phone holder in the padded engine compartment.

Halloween is just around the corner, and to celebrate, fadecomic decided to set up a trio of singing animatronic pumpkins to belt out scary songs. 

The project uses a Raspberry Pi for high level control and browser interface, and sends animation commands to an Arduino Uno via USB serial.

The Uno takes this data and translates it into actual pumpkin movements coordinated with music. The resulting trio of pumpkins each use their own servo to lift the top of the foam gourd up like a gigantic mouth, and also feature PWM-driven LED eyes. A light show controlled by SSRs completes the spooky musical effect. 

Build info is available here and the Arduino code can be found on GitHub.



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