Pololu Wixel Bedienungsanleitung PDF herunterladen (Seite 30)

7. Ensuring a Good Radio Signal

Here are some tips for improving the quality of the radio signals sent between a pair of Wixels:

• Reduce the distance between the Wixels, if possible.

• Try different frequencies. Most Wixel apps that use the radio have a radio_channel parameter that determines

what frequency will be used. By switching to a different channel you might be able to avoid interference

from other nearby 2.4 GHz radios. You might even want to buy a spectrum analyzer such as the Wi-Spy

[http://www.metageek.net/products/wi-spy/] to find out which frequencies in your area have the least activity.

• Remove objects that are very close to the Wixel’s antenna. For example, if the Wixel has no header pins

installed and it is resting flat on your desk, find a way to get the Wixel at least an inch or two above the desk.

• Reduce obstructions between the two Wixels. Many objects can interfere with 2.4 GHz radio waves, including

walls, trees, people and anything with water in it.

• Try different Wixel orientations. The Wixel’s antenna sends and receives better in some directions than others.

7. Ensuring a Good Radio Signal Page 30 of 64

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Pololu Wixel Bedienungsanleitung Seite 30