Abstract
The application of sensor networks often precludes the use of wired sensors. Although it’s possible to use wired sensors installed in a controlled environment that supports a cable plant, you seldom have this luxury. Sometimes you can connect some parts of a sensor network to a wired network, but the sensors are located in areas where running wires is impractical. Thus, most sensor networks require using wireless technology to transmit data from the sensors to other nodes in the network.
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Notes
- 1.
ZigBee is based on the 802.15.4 protocol that provides power management, addressing, and error control, as well as networking features.
- 2.
For more information, see http://en.wikipedia.org/wiki/IEEE_802.15.4 .
- 3.
A registered trademark of Digi International.
- 4.
Sometimes called cable replacement because it effectively links two devices together without a cable.
- 5.
Don’t crack that whip! Don’t even go there. Bend once and leave it!
- 6.
If you plan to use Arduino clones that also require a FTDI cable, such as the Sippino from SpikenzieLabs ( www.spikenzielabs.com ), the cost of the FTDI cable is less because you can use the one cable for all of your FTDI components.
- 7.
If you prefer not to write in your book, take a piece of paper and make a chart like Table 2-3 to store the information. If the paper is thin, you can fold it and use it as a bookmark.
- 8.
Does that number mean anything to you? Hint: IBM PC.
- 9.
I must concede that you have already seen a sensor at work—you! As part of the experiment in the projects, you typed commands and entered data packets that simulated sensor data. Did you sense that?
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© 2013 Charles Bell
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Bell, C. (2013). Tiny Talking Modules: An Introduction to XBee Wireless Modules. In: Beginning Sensor Networks with Arduino and Raspberry Pi. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4302-5825-4_2
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DOI: https://doi.org/10.1007/978-1-4302-5825-4_2
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Publisher Name: Apress, Berkeley, CA
Print ISBN: 978-1-4302-5824-7
Online ISBN: 978-1-4302-5825-4
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