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PERIPHERALS - Coggle Diagram
PERIPHERALS
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WIRELESS COMMUNICATIONS
ZIGBEE
Wireless technology developed as an open global standard to address the unique needs of low-cost, low-power wireless IoT networks.
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It is based on the IEEE 802.15.4 physical radio specification and operates in unlicensed bands such as 2.4 GHz, 900 MHz and 868 MHz.
NFC
Its transfer rate can reach 424 kbit/s so its focus more than for the transmission of large amounts of data is for instant communication
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WIFI
Mechanism that allows the access to the Internet of different devices when connecting to a certain network.
Offers the entrance to the large network of networks, links different equipment to each other without the need for cables.
It is possible thanks to the use of radio frequencies and infrared, used for the transmission of information.
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BLUETOOTH
You do not need to use any cables to make the connection nor is it necessary to orient the devices face to face as with infrared technology.
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LORA
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The distance for LoRaWAN application ranges from 2 - 5km for the urban environment & maximum 15km for the suburban environment.
Has applications for long distances and is designed to provide low-power for communication in IoT, M2M applications.
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6LOWPAN
Is a network protocol that supports data encapsulation and header compression mechanisms with other applications like that of Bluetooth & ZigBee.
The standard can be used across multiple communications platforms, including Ethernet, Wi-Fi, IEEE 802.15.4 and sub-1GHz ISM.
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PARALLEL PORTS
Has multiple connectors and in theory allows data to be sent simultaneously down several cables at once.
A printer connected to a computer, has the chance of using the parallel port. While USB is becoming increasingly popular, the parallel port is still a commonly used interface for printers.
Later versions allow bi-directional communications. This technology is still used today for low-data-rate communications such as dot-matrix printing.
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Is an interface allowing a personal computer to transmit or receive data down multiple bundled cables to a peripheral device.
SERIAL PORTS
USART
The data is transmitted serially, which means that only one bit is transferred by the channel at a time.
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Serial interfaces are simple and cheap to implement, which is why they were the most common electronic communication system until the appearance of the USB protocol.
Is a protocol used in dual communications, that is, it is in the ability to receive and transmit simultaneously.
ETHERNET
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This type of network is easy to set up, operate, maintain and expand. It is compatible with most Ethernet switches.
Communication network standard capable of handling large amounts of data at speeds of 10 Mbps or 100 Mbps, and up to 1500 bytes per packet.
I2C
It allows you to connect up to 127 slave devices with these two lines, with speeds of up to 100, 400 and 1000 kbits/s.
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It is one of the most used to communicate with digital sensors, since unlike the Serial port, its architecture allows to have a confirmation of the received data
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USB
Is a communications bus that follows a standard that defines the cables, connectors, and protocols used in a bus to connect.
Communicates and provides power between computers, peripherals and electronic devices.
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RS-232
It defines the electrical properties and synchronization of signals, as well as the interpretation of signals, the physical size and configuration of the connector pins.
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