Next Steps
This project provides a useful system to verify if your garage door is open or closed and notify you in case you left it open at night. In addition, this project presents the basics you need to use the Raspberry Pi GPIO. You can build on this knowledge to use other types of sensors, like motion sensors or distance sensors, to build even more complex and smart solutions for your home automation. In fact, in Chapter 7, Watching the Birds, you’ll use the GPIO again with a PIR motion sensor to snap nice wildlife pictures.
You can also expand this project by using the magnetic switch in other places like the front or back door, and any other place you need a quick way to check if two parts are connected. On the software side, you can ...
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