Raspberry Pi 8110714 Bruksanvisning
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Bringing Cellular Networking Connectivity to Raspberry Pi and Arduino
Posted by on Wed, Feb 26 2014 Designspark Magazine
SparqEE is a California-based company that has
come up with the concept of a tiny cellular
development board that provides the opportunity
to developers to add worldwide wireless
coverag . Initially launched back in August via e
the Kickstarter crowd-funding programme, the
CELLv1.0 enables worldwide wireless Internet
access for projects using Arduino and Raspberry
Pi platforms. Although Bluetooth and WIFI offer
high-speed data transfer, relatively speaking,
there are clear limitations in terms of distance, operating over a few meters or a few
tens of metres; whereas cellular enables significantly greater range and is ideal for
‘small data’ projects that need to operate over distances such as a few streets or a
town or even a country away.
Measuring only 36 x 42 x 7mm, the CELLv1.0 is currently the smallest, least
expensive and easiest to-use cellular module on the market for popular development
platforms. The device uses 2G/3G technology, meaning that it will primarily use 3G
worldwide and will only employ 2G where 3G connectivity is unavailable. Clearly, a
SIM card is required to communicate over a cellular network and the CELLv1.0
allows any SIM to be used, such as that from a mobile phone or a pre-paid SIM.
However,SparqEE can also provide low-cost SIM cards via its website that works
pretty much anywhere in the world.
Applications
The increase in range permitted by cellular communications enables a number of
potential applications for developers. Given bandwidth constraints versus say WIFI
or Bluetooth, suitable project are more likely to be sensor-based low-
bandwidth-data projects that will send low amounts of data over the Internet.
Connected to the developer’s favourite development board such as the Raspberry Pi
or Arduino, example projects could be relatively simple ones like remote help
devices to open a door,turn on a light or the power for an air-conditioning unit or
setting an alarm in a remote office. Another project could be creating a vehicle
tracker that allows car owners to know where their vehicle is directly from any
smartphone or computer, or possibly even adding a ‘kill switch’ in case the vehicle is
Produktspecifikationer
| Varumärke: | Raspberry Pi |
| Kategori: | Inte kategoriserad |
| Modell: | 8110714 |
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