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ATtiny85 as an Intruder Alarm

Learn how to build a compact and efficient intruder alarm with the ATtiny85 microcontroller. This project guide covers everything from circuit setup to coding and programming, utilizing a mini PIR motion sensor for discreet detection. Perfect for enhancing your security system, the ATtiny85-based alarm operates on a single button cell battery and offers customizable alarm sounds. Dive into this step-by-step tutorial to create your own smart security solution.

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