Interet Of Things(IOT). easy way to learn and its works easy & find it use for all over world in many features to what nd how can use in IOT realated item.(ex:- watch, smart phone etc). lets see watch nd share.thank you.
Sensors are now found in a wide variety of
applications, such as smart mobile devices,
automotive systems, industrial control, healthcare,
oil exploration and climate monitoring. Sensors are
used almost everywhere, and now sensor technology
is beginning to closely mimic the ultimate sensing
machine … the human being. data.ex-
Electronics,robots,automobiles etc .
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Connectivity, it is one of the main things to
keep in mind while developing any
Internet-of-Things (IoT) project.ex-
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is a communication method used
for tracking and identifying objects
Passive RFID tags primarily operate at three frequency ranges:
•Low Frequency (LF) 125 to 134 kHz
• High Frequency (HF) 13.56 MHz
• Ultra High Frequency (UHF) 856 MHz to 960 MHz
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The tags are the end points in an RFID system. They store
identity information along with other information as required
by the purpose of the tag. There are two types of tags:
Active Tags: These tags have an on-board power source of
some sort, usually a battery, which means they can transmit
stronger signals and therefore have more range. This type of
tag can periodically transmit a signal irrespective of a reader.
Passive Tags: These tags do not have any internal power
source and get activated in the vicinity of a reader. Your
metro or bus pass is generally a passive tag, which gets
activated when you touch it to the reader. These tags harvest
the radio energy transmitted by the reader.
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• Passive tag – note the small
size of the tag in comparison.
• Active tag Inside of an active
RFID tag – note the on-board
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Readers have a similar construction to an RFID tag. They have an
antenna to receive and transmit signals to/from the tags For example,
the reader in subway stations is at the entry point. When the rider
places a card (tag) on the reader, it reads the available money in the
card and grants the user entry. At the passenger’s exit, it calculates the
fare and updates the amount on the card.
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RFID tags can have three main components:
An Integrated Circuit (IC) for storing identity
information, processing it and
modulating/demodulating the RF signals.
An antenna to receive and send the radio signals.
A power source (battery) if an active tag.
Near-Field Communication (NFC) is an RF-based
communication protocol NFC smartphones pass along
information from one smartphone to the other by tapping
the two devices together, which turns sharing data such as
contact info or photographs into a simple task.
Applications like Android Beam facilitate . NFC is designed
for very short-range communication (a few centimeters). It
is one of the most power-efficient communication
protocols. NFC also operates in the 13.56 MHz band.
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NFC is being used to open car doors in NFC-enabled
car keys with car manufacturers such as BMW.
NFC has two types of devices (one thing to note is that, in
NFC, the device can act as a tag or a reader):
Initiator: The device that initiates the communication is
labeled as the initiator. It actively generates an RF field that can
power the passive target.
Target: This is the device that receives the information from
the initiator. The target can either be passive (in the case of
simple NFC tags) or active for peer to peer communication,
such as in smartphones.
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People and process
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Application of iot
• smart homes
• Smart cities
• Energy managment
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Definition of connected home is different for different people. In simple words a
smart home is the one in which the devices
have the capability to communicate with each other as well as to their
intangible environment. A smart home gives owner the capability to customize
and control home environment for increased security and efficient energy
management. There are hundreds of IoT technologies available for monitoring
and building smart homes.
Nest Learning Thermostat is a revolutionary concept which gives you many
benefits. Its breakthrough technology and internet of things based concepts
make it highly efficient electric appliance. Usually thermostats incur almost half
of the energy bills. However with Nest you can save up to 15% on cooling bills
as well as 12% on heating bills on average.
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