Connect Devices to the Cloud using ZigBee
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Connect Devices to the Cloud using ZigBee 1. Introduction to XBee - S1 , S2, Explorer 2. Using XBee - Tools, protocols, data sheet, modes 3. Case Study: Real World implementation in a Smart Home System
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Connect Devices to the Cloud using ZigBee
- 1. Connect Devices to the Cloud using ZigBee Rituparna Matkar rhc.io
- 2. What is ZigBee? What is XBee?
- 3. Why use ZigBee? ZigBee protocol
- 4. Zigbee commercial SOC Texas Instruments CC2531 Silicon Labs EM358x Marvell 88MZ100 Freescale MC1323x NXP JN-516x Atmel ATZB-24-B0
- 5. Introduction to XBee S1, S2 and ZB https://www.sparkfun.com/pages/xbee_guide http://www.digi.com/support/kbase/kbaseresultdetl?id=2213
- 6. Using XBee X-CTU and Screen Putty Modes AT vs API
- 7. Point to Point vs Mesh
- 9. Tah as a bridge between XBee and Phones
- 10. Aura Home use of XBee in home automation
Editor's Notes
- ZigBee is a specification for a suite of high-level communication protocols used to create personal area networks built from small, low-power digital radios. ZigBee is based on an IEEE 802.15.4 standard. Though its low power consumption limits transmission distances to 10–100 meters line-of-sight, depending on power output and environmental characteristics,[1] ZigBee devices can transmit data over long distances by passing data through a mesh network of intermediate devices to reach more distant ones. ZigBee is typically used in low data rate applications that require long battery life and secure networking (ZigBee networks are secured by 128 bit symmetric encryption keys.) ZigBee has a defined rate of 250 kbit/s, best suited for intermittent data transmissions from a sensor or input device. Applications include wireless light switches, electrical meters with in-home-displays, traffic management systems, and other consumer and industrial equipment that requires short-range low-rate wireless data transfer. The technology defined by the ZigBee specification is intended to be simpler and less expensive than other wireless personal area networks (WPANs), such as Bluetooth or Wi-Fi. ZigBee was conceived in 1998, standardized in 2003, and revised in 2006. The name refers to the waggle dance of honey bees after their return to the beehive.[2] XBee is the brand name from Digi International for a family of form factor compatible radio modules. The first XBee radios were introduced under the MaxStream brand in 2005 and were based on the 802.15.4-2003 standard designed for point-to-point and star communications at over-the-air baud rates of 250 kbit/s.
- ---Why use 802.15.4 or ZigBee? Couldn't you just use Bluetooth or Wi-Fi? IEEE 802.15.4 and ZigBee were designed from the ground up to enable "wireless network of things," where things are such modest devices as thermostats, security devices and gas meters. Four things characterize these "networks of things": Low cost: Many of these networked 'things' are low cost. The networking component must also be low cost. Low power: Many applications require battery power, and their batteries must last for years. High reliability, low "touch": These applications need to run without ever requiring human intervention. Highly scalable: Many applications require networking hundreds or thousands of devices. By contrast, Bluetooth was designed essentially as a wire replacement, often between your cell phone and nearby devices, such as headsets and PDAs. It satisfies the low cost requirement, but doesn't do well for the remaining three requirements: A Bluetooth device might last for weeks without a recharge, but not months and certainly not years. Bluetooth devices generally expect a human to be in the loop for configuring and maintaining the connections. Bluetooth is designed to efficiently handle eight devices (one master and seven slaves). After that, communication rates slow down substantially. And 802.11, also known as Wi-Fi, has similar issues. Although it is an excellent solution for linking laptops and desktop machines to wired networks, 802.11 is notoriously bad on power consumption. Zigbee protocal Support for multiple network topologies such as point-to-point, point-to-multipoint and mesh networks Low duty cycle – provides long battery life Low latency Direct Sequence Spread Spectrum (DSSS) Up to 65,000 nodes per network 128-bit AES encryption for secure data connections Collision avoidance, retries and acknowledgements