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I chose the SenseHat because its aspirational. Consider its range of other sensors and joystick that can be used. While not discussed in the Instructables explicitly, there are other applications one could apply to what I've built. If you have a room that needs to be temperature controlled and you want to monitor the flow of traffic via the vibrations, the SenseHat can do it. Then you can grab the logged data and compare the movement against temperature changes. If you create a program with multiple security profiles, you can select them with the joystick. The choice of using the accelerometer is it's omnidirectional and can detect movement in multiple rooms. One could use a <$10 PIR sensor, but that only works with line of sight. If the unit was hidden, then its not too useful.
Hello! You don't need to use 2 Pis. One would work also. The reason I included 2 Pis is to show how easy one could scale this. Consider covering your house with with Pis.
Thats a good use case! if one is comfortable with their car, they can hardwire the Pi into the car and have it hidden somewhere. Thanks for reading!
you're right, I didnt include that step. I would assume people use passwords
Thanks for checking out this Instructable!Pi Zero W would be great! Too bad it just came out before I bought the Pi3. I took a look at your post, I was planning to add image capture with OpenCV. I just havn't had the time to get to playing around with my picamera yet. I may update this instructable in the future to support image capture, or build a different project that includes the camera.
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