Physical Computing – Lab2e – Combination Problem (9/14/2009)
Physical Computing – Combination Problem from Noah King on Vimeo.
This was a solution to the problem of programming the functionality of a combination lock.
There are four buttons, pressing any one of them applies a mathematical function to a variable. After several button presses the variable becomes rather unique, so only the correct combination with “unlock” the circuit and turn the green LED on.
