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Even when we’re not here, the room is drawing a lot of power.What devices are turned on at any given time depends largely on which of us is here, and what we’re doing. If you never did malware analysis before, the material presented can be overwhelming.
The book assumes that you have some experience with Arduino and micro-controllers (i.e., do you know what a breadboard, jumper wires, and circuits are? We start with a very brief introduction to RFID, follow up with two introductory technical tutorials on Arduino, and end with a fairly simple home automation project: Between my officemate and me, we have dozens of devices drawing power in our office: two laptops, two monitors, four or five lamps, a few hard drives, a soldering iron, Ethernet hubs, speakers, and so forth.Here are some of the notes I took while reading the book: When you run an Xcode project from a standard (i.e., non-admin) user, you might be asked to enter credentials of a user in the “Developer Tools group.” You can fix this by adding the (current) user to the group: When you purchase something from the Mac App Store, you’ll see a little icon in your dock, but that doesn’t show you the percentage of progress.The book is only 28 pages, so it’s more of a long tutorial than a book, but it still acts as a good introduction to RFID.Disclaimer: I received this book for free through the O’Reilly Blogger program. When you see “I am a sentence I am another sentence,” you know that you’re really looking at two different sentences even though the period between “sentence” and “I” is missing.
This project is a system to reduce our power consumption, particularly when we’re not there.
When either of us comes into the room, all we have to do is tap our key fobs on a reader mounted by the door, and the room turns on or off what we normally use. The reader by the door reads the presence or absence of the tags.