I often think animals are so expressive with their tails. You can pick out their emotions pretty easily by watching how their tail is carried, how puffy it appears (as in a cat) or even by how fast it is moving. Well, Takuma Yoshitani, a recent computer engineering graduate from the University of Tokyo, must share the fascination. He decided to create a project that would display human emotion using something quite ordinary–hair. Called the Chouchou Ponytail, this barrette/scrunchy combo creates a wagging movement based on the wearer’s heart rate. The demo video doesn’t make it obvious what type of heart sensor is being used, but some sleuthing on Takuma’s Facebook uncovered another video which makes it clear. The model shown on profile is actually wearing a pulse sensor on her right ear. So, the pulse sensor in combination with an Arduino is able to trigger the LEDs on the barrette, as well as the motor apparatus, giving an interactive ponytail experience. Although this project carries a lot of humor, there are probably some youngsters that would love to try it. Either way, be sure to check out our Pulse Sensor Amped. This small sensor is quick to assemble and it comes with the materials to wear it on your finger or ear. You just need to choose your fave Arduino for the job. It also has the capability of showing an ASCII presentation of heart rate on your computer. So, have fun creating something that will let the world know how you feel.
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