From time to time *Packt Pub publisher* surprises us with books for our *Raspberry Pi* and today is one of those days, as they have put for download the book *Raspberry Pi for Secret Agents*, which requires no previous knowledge and where you will learn how to configure your operating system, listen to remote conversations, detect intruders using *Motion Capture*, show secret messages on an *LED* screen, and much more.
You can download it for a limited time at the following link.
Link: [packtpub.com](https://www.packtpub.com/packt/offers/free-learning)
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