I soldered all the grounds (3 total: 2 vibration sensors + Flora IMU) and the +3V (Flora IMU) to the top side of the Feather Proto board. There are plenty of tutorials out there for through hole soldering if you are unsure. Start by Soldering the female headers onto the feather proto board and the male headers onto the featherwing if you have not done so already. The circuits are fairly simple with no extra electrical components needed. Micro USB Cables- Charging and uploading code to FeatherĪ schematic is posted above.I also recommend that you have some experience programming Arduinos. There isn't much soldering, but some prior experience will make it much easier. Compact enough to fit inside costumeįor this project you will need experience with through hole soldering. There are a lot of great sounding speakers on the market for cheap. With the inflatable costumes you have room for a pretty substantial speaker. I had one of these already so I decided to use it. The fast worked for me, but this may not be the case for everybody. I tried the medium vibration sensor, but it did not pickup my footsteps. Lithium Ion Polymer Battery - 3.7v 350mAh.Adafruit Feather 32u4 Proto Board - battery charger built-in.T-Rex Costume, Velociraptor Costume, King Kong, Godzilla.You may encounter other T-Rex's out in the wild, but with a speaker of this size, I guarantee that none will roar as loud as you! As these costumes become more ubiquitous, this sound system is a great way to stand out from the crowd. I would just recommend a different speaker and hat setup. With a little bit more work, this system can be adapted for many other types of costumes. For example just replace the T-Rex MP3's with Godzilla or King Kong ones. This system can be adapted for almost any inflatable monster costume. I loaded up the SD card with songs such as the Jurassic Park theme and the quintessential Halloween track Thriller to become a true party animal! You can actually create a Dino MP3 player that you can control with your head. In addition to roars, growls, and stomp sounds, I added Jurassic Park movie quotes and music. I simply raise my head to unleash a ferocious roar that would send any lawyer running for the bathroom. The system is powered by an Adafruit Feather board and the sounds are played through a boomin' rechargeable speaker. I wanted a smarter way to trigger the sounds so I put vibration sensors on my feet to detect steps and an IMU on my head to allow me to play the rest of the sounds. This is not optimal for tiny T-Rex hands! Seriously, it seemed very difficult to fumble around with buttons while in the costume, especially for the stomping sounds. I searched around online, but most existing cosplay sound systems are button activated. That's not going to cause nightmares! Makers find a way so I decided to make my own. There is a version of the costume that comes with "sound," but it just includes a feeble, watch battery powered hand speaker. I wanted to roar, growl, and stomp around with ripple inducing loudness. Wearing the costume was an amazing experience for sure, but I was left disappointed. When I saw this inflatable T-Rex costume, I knew that it was the next best thing. I explored genetic modification and plastic surgery techniques, but the tech is not quite there yet. No fumbling with buttons or smartphones.Įver since I was a child I have dreamed of becoming a T-Rex. This is a speaker system that automatically plays stomping sounds when you walk and allows you to play roars, growls, and other sound clips by simply moving your head. Don't just add sound FX to your costume, add Smart Sound FX!
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