Opening a Safe

Added by Miriam Fransson on Jan 12, 2009

This demonstration shows a safe with a keypad lock. It will only open if the correct code is entered, and if an incorrect code is entered three times the alarm will sound. Students can investigate the flowchart to see how the safe is controlled.




This item is not part of any lists.


You must log in to post comments. If you have not yet signed-up, click here to register.