The Locked Prototype
PLTW CSE · Activity 1.1.1 review

The Locked Prototype

Nalini finished the Digital Doodle prototype and locked the test device before break. Five locks stand between you and the passcode. Each one you open reveals a digit.

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Enter the passcode

Five digits, in lock order. The device knows whether you actually opened the locks.

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Nalini's test device
DigitalDoodle_v5C

Unlocked.

You rebuilt the whole activity from the inside out. Every digit was a fact about how this app works:

Elapsed time: . Locks opened on the first try: of 5.