An Arduino based word game
Selects a random category and card, turns on a timer with a LED connected to digital pin 13 and a ticking buzzer connected to digital pin 3, when pressing a pushbutton attached to pin 2. Then it gives out a text on the lcd. After the time is up the buzzer will make a noise for a second.
The circuit:
* LED attached from pin 13 to ground
* buzzer attached from pin 3 to ground
* pushbutton attached to pin 2 from +5V
* 10K resistor attached to pin 2 from ground