Fidget spinners are fun toys that help relieve stress. They spin on a bearing, and can reach really high revolutions per minute (RPM). We are going to build a Tachometer, an instrument which measures RPM, for your fidget spinner.
We included some fun features into Tony D's original Circuit Playground fidget spinner code
Like a RPM high score game to compete with your friends (or to pit different spinners against each other)
And a countdown clock to let you time your spins better.
Page last edited July 10, 2017
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