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Let yourself In with this Hacked Morse Code Door Buzzer!

Hackaday logo featuring a skull and cross wrenches on a textured background.

What happens when you add a few wires and a microcontroller to your door buzzer? You can let yourself into your building from the outside!

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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