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Showing content from https://github.com/sparkfun/Reaction_Timer below:

sparkfun/Reaction_Timer: A simple tool to show how quickly it takes for a human to respond to a light turning on.

Reaction timer with a slow reaction time of 382ms

The reaction timer is a simple tool to show how quickly it takes for a human to respond to a light turning on. When the game begins a large arcade button illuminates then starts a timer. When the user responds and hits the button the 7-segment display shows the user how many milliseconds passed. This is a great experiement for teaching kids about the delay between our brain and our actions (formally called nerve conduction velocity).

A wishlist of all the SparkFun parts used in this project can be found here. A few bits of wire and a solering iron and you should be good to go!

This is a open source project so please feel free to do anything you want with it; you buy me a beer if you use this and we meet someday (Beerware license).


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