I want to present my haunted ouija board, whose hidden purpose is access control. When you move the planchette over the board, some letters trigger a vibration of the planchette. But only if you know the secret password will you be able to unlock the hidden stash whose lock is controlled by the board. This is achieved using some RFID and wireless technology, read on to find out the details!
Each Monday is ArduinoMonday here at Adafruit! Be sure to check out our posts, tutorials and new Arduino related products. Adafruit manufactures the Arduino right here in the United States in cooperation with arduino.cc. We have a huge selection of Arduino accessories and all the code and tutorials to get you up and running in no time!