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Long, random passwords are the most secure, but can be difficult to remember and tricky to type. Build this Circuit Playground Password Vault to remember and enter them for you! Store up to ten passwords and enter them into a computer over USB at the push of a button. You'll even create a unique unlock sequence so your passwords stay secure, and build a rugged 3D printed case to take it on the go.
In this Pro Trinket powered project, build and 3D print yourself a friend, an Adafriend! This little colorful guy with an eye responds to taps and vibrations, and shows emotion on its little LED matrix face with a sad, neutral, happy, or angry face. It plays tones that correspond to it's emotional state, and even sings some recognizable tunes and themes when it's in the mood! If left alone for too long it gets lonely, but pester your pet too much and it may get angry at you! Build yourself an Adafriend and keep it happy to sing along with the coolest cube around!