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The Rumbling Easter Egg

March 27, 2024 by TITAN Haptics
 
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As Easter approaches, households everywhere are buzzing with the delightful chaos of holiday preparations and Easter Egg Hunting. The Rumbling Easter Egg is powered by our TITAN Core and our DRAKE haptic motors, creating extra tactile feedback that adds an exciting twist to tradition.

What Does It Do?

Just like how you listen for the buzzing of your smartphone when you accidentally misplace it, this DIY project replicates that in a fun and playful way.

Just connect the egg to your device via Bluetooth, hide it, and play the audio we've included to see the egg come alive with vibrations as it anticipates discovery. Alternatively, choose your own tunes and observe it as it jiggles and wanders across your desk. This is guaranteed to bring a new layer of fun to your Easter festivities.

Materials & Parts

  • TITAN Core Development Kit (TITAN Core and LF and LFi Drake Haptic Motors) (TITAN Website)
  • Latching push button
  • 2 x M3x5 screws
  • 3.7v 350mAh LP552035 Lipo Battery 
  • Wires
  • Heat shrink
  • Soldering Iron

First, print the bottom and top half of the Rumbling Easter Egg

The Top and Bottom halves of the egg

Next, attach the lipo battery into the shell. Make sure to press it firmly into the housing so that it doesn’t fall out.

Attach the lipo battery into the shell

Insert the TITAN Core into the pre-made holes in the structure. The attached headers should friction fit there holding the Core in place.

Insert TITAN Core into pre-made holes

Attach the DRAKEs onto the shells by removing the stickers from the bottom of the motor and pressing them firmly into the structure.

Ensure that the DRAKE LFi is attached to the top half and the DRAKE LF is attached to the bottom half. Make sure to press and hold firmly so the adhesive can bond well to the plastic.


Bottom Half of the Egg with the DRAKE LF

Top Half of the egg with the DRAKE LFi

Extend out the top shell motor wires and wire in the switch into the power line of the lipo battery.

The motor wires are extended and the power switch is wired into the battery.

Insert the lipo battery connector into the built-in JST connector on the TITAN Core. Ensure that the lipo battery direction is correct.

Connect the battery to the TITAN Core

After, unscrew the L+ and L-terminals and the R+ and the R- on the Core and insert the DRAKE Haptic motor wires inside.

Screw down the terminals and ensure that there is a solid hold on the wires. Follow this wiring schematic below. Ensure that the pins IO22 and IO19 are jumped using a wire.

Unscrew terminals and connect DRAKEs into TITAN Core

Wiring schematic

Close the two halves of the egg together.

Close the two halves of the egg together.

How To Use It

In order to use the egg, press the button once to turn it on. Then, open your device’s Bluetooth settings and look for a TITAN Device. After, connect to the device and ensure your volume is turned all the way up. Then hide the egg and play the YouTube playlist below! 


https://www.youtube.com/playlist?list=PLJJ96YGLX5fRrbJlhM1sBnKbyAjjtk3Q_


To charge the Easter Egg, ensure that the device is turned on before plugging it in. The Easter Egg uses a USB-C cable to charge.


The Rumbling Easter Egg will hopefully bring an exciting twist to your Easter celebrations. It's a game that everyone, kids and adults alike, are sure to enjoy. So make this year’s egg hunt a memorable one with the Rumbling Easter Egg.



Happy Easter!



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