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VR Haptic Jaw

A jaw haptic device that simulates biting into virtual objects in XR experiences.
Awards
1st Place of MIT Hardware Track
1st Place of MIT Technology Horizons for Human Interfaces
Grand Finalist MIT Reality Hackathon 2023
Collaborators
Pepi Ng, Eloise Yalovitser, Grace Park, Beatrice Ribeiro
Year
2023
Concept
The current state of VR technology focuses on creating an immersive experience through sight and hearing. However, as of today, there has not been a VR device that stimulates the jaw, even though eating and food are such integral parts of the human experience.

At the 2023 MIT Reality Hack, we created a futuristic jaw haptic device that simulates eating in XR. When a user 'eats' a particular food item in the experience the tension in the springs are adjusted automatically based on the texture of the food item. This simulates the extent of difficulty or ease in chewing different items in an XR experience.
A photograph showing a person wearing a metal jaw haptic device.
A photograph of a white cardboard box 'backpack' filled with electronics.
Technical Aspects
The haptic jaw was built in Unity. When the VR controllers interact with a food item, the program sends a bluetooth message via MIT’s SDK The Singularity. The SDK connects with the microcontroller on the back of the harness, which spins the servo motors attached to the front of the harness. As a result, the springs attached to the jaw harness are pulled, creating tension based on the food item consumed in the XR experience. 3 different tension modes are set up for the prototype VR game, simulating 3 different textures of foods.
A photograph of the team and me pitching our project in front of the judges.
A close-up picture of me explaining something to the judges.
Shark Tank Pitch
Our project was selected for the Shark Tank competition within the MIT Reality Hack! This taught us how a real-life pitch could to be framed and presented most effectively.
Pepi and Beatrice sitting in front of a laptop and pointing at the screen.
... Pepi and Beatrice working on setting up 'The Singularity'
Grace wearing VR glasses and testing the haptic device.
... Grace testing the VR experience
Special Thanks To
My teammates Pepi Ng, Eloise Yalovitser, Grace Park and Beatrice Ribeiro. Lucas from VRTech and Aubrey Simonson for supervising the hardware track. T Chen for mentoring our project. Lucas for being a cutie. All participants for creating such a fun first Hackathon experience. Maya Georgieva, for preparing our VR skills and rooting for us.