iButton, perfect for data logging or security applications

Whether you are looking to remotely monitor the temperatures or humidity of your product while you ship it across the world or authenticate the presence of a person or product, iButton can make this an easy way to accomplish the task. Here are the basics. These iButtons are what they sound like, small metallic buttons. MIKROE-3047 1471-2008-ND IBUTTON SERIAL NUMBER Memory Card ROM 8B There are different types of iButtons that do different things such as read temperature and/or hum

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The Maxim iButton temperature logger is a self-contained, self-powered, and field-rugged package that measures just over 0.5 inches in diameter.

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