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Arduino Safe With Multivibrator Changeable 4 digit Combination

Arduino Safe With Multivibrator Changeable 4-digit Combination

This instructable will explain how to wire, code, and build a functioning DIY arduino safe with multivibrator changeable 4-digit combination. Well what does that mean? A arduino safe with multivibrator changeable 4-digit combination is a functioning safe with a changeable password/combination, it features a series of multivibrator circuits to create the 4-digit combination, a input

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