What is a zigbee?
The Zigbee is a wireless communication technology is developed to address the unique needs of low cost low power wireless M2M networks. The zigbee operates in the IEEE 802.15.4 physical radio specification which is a packet based
Features of zigbee
There are some important features of zigbee which are given below, The zigbee collision avoidance, retries and acknowledgements. DSSS (Direct sequence spread spectrum) that provides excellent performance in signal to noise ratio environments. It is cost effective.
Difference between zigbee and Bluetooth
There are the difference between zigbee and Bluetooth are given below, Zigbee Bluetooth The DSSS (Direct sequence spread spectrum) modulation techniques are used. The FHSS (Frequency hopping spread spectrum) modulation techniques are used. It has less power
Difference between Bluetooth and Wi Fi
Following are the difference between difference between Bluetooth and Wi Fi Bluetooth Wi Fi The Bluetooth was invented by Ericsson and launched in 1994. The Wi Fi was invented by Victor Hayes and launched in 1997. The
Applications of zigbee
There are some important applications of zigbee are given below, The zigbee is used in set top boxes and remote controls. It is used in low power wireless sensor networks. It is used in safety, surveillance system,
Advantages and disadvantages of zigbee
There are some important advantages of zigbee which are given below, The zigbee has flexible network structure. It has a very long battery life. It is low power consumption. It is easy to install. It can be
Application of embedded systems
There are some important applications of embedded systems are given below, The embedded systems are used in computer networking for Network Bridge to route data, hub gate way and switch etc. It is used in telecommunication systems
Advantages and disadvantages of serial peripheral interface (SPI)
There are some important advantages of serial peripheral interface (SPI) are given below, It has complete flexibility for the bits transferred i.e. not limited to 8 bit word. It has very simple hardware interfacing. Not limited to
Why synchronization is needed in time division multiplexing (TDM) systems?
The meaning of synchronous is different in other areas of telecommunications. But in the time division multiplexing it means that the multiplexer allocates exactly the same time slots to each device at all times, whether or not
Difference between RISC (Reduced instruction set computer) and CISC (Complex instruction set computer)
RISC CISC RISC stand for reduced instruction set computer. CISC stand for complex instruction set computer. It has few instructions. It has more instruction. Spends more transistors on memory registers. Transistors used for storing complex instructions. It