By Mike Outmesguine
ISBN-10: 0764558943
ISBN-13: 9780764558948
* This ultra-cool quantity invitations readers to faucet into your internal geek and construct seventeen ultra-cool instant units together with a sunlight powered entry element, a instant photograph body that dynamically alterations its personal pictures, or even a instant car-to-car audio and video system
* With a number of uncomplicated instruments, a few off-the-shelf elements, and this publication, readers could be growing instant units they by no means proposal have been possible-toys that definitely can't be came across on the neighborhood desktop store
* Written via the cofounder and individuals of the Southern California instant clients staff, this booklet presents readers with hands-on guide and insider suggestions and methods from those who find themselves at the bleeding fringe of instant technology
* New addition to the ExtremeTech line of books-books for severe technophiles
Read Online or Download Wi-Fi Toys: 15 Cool Wireless Projects for Home, Office, and Entertainment (ExtremeTech) PDF
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Extra resources for Wi-Fi Toys: 15 Cool Wireless Projects for Home, Office, and Entertainment (ExtremeTech)
Sample text
Antenna System The antenna system is where the rubber hits the road, so to speak. The antenna emits the electromagnetic radio frequency signal out of the Wi-Fi device. Antenna systems will be covered in Chapter 2 while building a simple antenna for a laptop PC card. FIGURE 1-4: Internal RF transmission line on a Linksys WAP11. 11 12 Part I — Building Antennas At this point, what you need to know is that the antenna is where you want to send as much signal as possible. The transmission line should be designed to be as short as possible with the least line loss to pass power to the antenna.
The male/female designation is defined by the center conductor (plug or socket). Reverse Polarity Reverse polarity is another way of saying that a connector has gone from plug to socket or socket to plug, reversing its polarity. This adds confusion to the entire male/female designation. When using reverse polarity connectors, male and female is reversed, where a male connector is the same design except that its center conductor is a socket. Female reverse polarity connectors use a plug for the center conductor.
Once the shell is snapped into place, it will be difficult to remove. Also, removing and replacing the shell would degrade the cable performance. If the ring is not in place, you’ll need to cut the connector off and rebuild the cable with a new connector. Line up the connector, and begin to slide the connector over the pin, over the dielectric foam, and butt it up against the shield strands. If all goes well, there may be an audible click when the Chapter 1 — Building Your Own Wi-Fi Antenna Cable FIGURE 1-21: Moving the connector into position.