Arduino-based Reaction Time Tester

In order to test his dinner guests’ reaction times before and after an evening’s entertainment, ‘bertus52x11’ created a simple Arduino-based reaction and decision-time tester that also distracts the user in an attempt to decrease their reaction times. What appeals to use is the professional look of the device considering the maker is only new to our world of Arduino.


A lot of fun and frustration all in one small package. Although this may be a great way of testing reflexes, it is no substitute for determining one’s ability to drive after consuming alcohol. So to get started, you can find the instructions here. To  get started with your own reaction timer, consider our Freetronics Eleven – the Arduino-Uno compatible with low-profile USB socket, onboard prototyping space and easy to view LEDs – and our Freetronics LCD and Keypad shield. It contains a bright 16×2 character LCD module as well as five buttons that are read with only one analogue input:

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