This tennis racket grunts when you swing it #WearableWednesday

Neat project from Seiya Kobayashi

Grunting Racket is a tennis racket that sounds pro tennis player’s grunting when you swing it. You can select one of the four primary active grunters, Serena, Sharapova, Djokovic, and Nadal…

Tech Notes

  • Components are accelerometer, LiPo battery, speaker, Arduino Pro Mini, Adafruit Audio FX Sound board, power button, and player selection button.
  • Designed the circuit to house all components in a thin perf board to fit in the racket’s grip.
  • Basically when a value from accelerometer excesses a particular threshold, the sound board will play a tone.
  • You can switch to other players whose grunting you want to hear by pressing a button on the grip.
  • Here’s the link to this Git Hub Repo

Read more.

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