rfid treasure box
Box with rfid reader, lcd display and servo to open the box. Built as a treasure hunt for a birthday party of 7-year old daughter.
Children had to collect five RFID-cards and swipe them in a correct order over the box to open the box and find the chocolate coins inside.
Helper code to get the ID's of your cards: https://raw.githubusercontent.com/kurtbeheydt/rfid_box/master/scanrfidcard/scanrfidcard.ino
non-default arduino libraries used: