Arduino LCD reaction test

use an lcd with buttons and LEDs to create a reaction test.

in this project you will create a reaction test where an LED lights up and you have to press a button. the length of time it took you to press the button after the LED lit up is then showen on the LCD. 

 

parts list

  • 22 x solderless wires
  • 2 x LEDS
  • 2 x buttons
  • 1 x LCD screen
  • 3 x 220ohm resistors
  • 1 x potentiometer