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Questions tagged [zigbee]

ZigBee is a wireless networking protocol built upon the 802.15.4 communication standard.

ZigBee is a wireless networking protocol built upon the 802.15.4 communication standard and is operating on channels in the 900 MHz or 2.4 GHz frequency range. Created for low-cost, low-power, low-data rate applications, it has been adopted by manufacturers of embedded “smart-home” products.

For additional information, see the Wikipedia page on ZigBee or the website of the ZigBee Alliance, the group that maintains the ZigBee specifications and promotes its use.

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Zigbee interview process - xbee

I have a zigbee2mqtt / home assistant setup working fine, and I'd like to try to make my own simple devices to connect to that network. I got an xbee 3 board, and using micropython to start with I was able to connect to my network. However the…
Ulrar
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XBee-Pro S1 Serial communication not working

I have 2 XBee Pro S1 antennas and boards with USB interface. I successfully connected both in Coordinator-End Point and Coordinator-Coordinator settings. I was able to send console log both antennas to each other. I'm facing issue while I'm trying…
Sachin
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Is there an autonimus realtime clock wilth month loss less than 10milliseconds?

Looking for a realtime clock for IoT project. Need a millisecond resolution for my app protocol and its loss is critical. So I wonder if there is an autonimus realtime clock (with a battery) that will loose less than 10ms per month and work for a…
DuckQueen
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(IoT) Why does zigbee smart device requires an extra gateway to connect to WAN?

I am currently studying Internet of Things and found that there are bunch of devices are using zigbee and Wifi. Take Xiaomi smart wifi plug for example, it does not require an extra gateway(router) to connect to WAN. I assume it connects to my LAN…
ctheadn8954
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where we can see heart beat of sensor in zigbee call fow?

The question is about zigbee network; does the nodes (routers, end devices) send some keep alive messages or Heart beat to prevent time out? Or can't a node ping out? Just a pointee to the correct parameters or what we call that attribute in zigbee…
Varun Rustagi
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Zigbee AF frames vs ZCL commands

I'm looking through the Zigbee spec and the ZCL spec, and the two seem incompatible in that I cannot figure out how AF frames and ZCL commands intersect. Is the ZCL an alternative to using 'standard' AF frames, are they contained within AF frames,…
SegFaults McGee
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Zigbee device types

i have this question in my university exams and i would like to have an answer.The question is: Identify three ZigBee device types.What is the maximum number of devices from the three devices that can exist in a network as supported zigbee addresses…
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how to read 100 or more strings per second through py serial port

Program to receive data from serial port- import serial import time ser = serial.Serial( port='/dev/ttyAM0', baudrate=57600, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS, …
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What's the difference between Jackdaw and KillerBee on RZ Raven USB Stick

What is the difference between Jackdaw and KillerBee on ZigBee USB Stick, both seem to be sniffing packet, but Jackdaw can act as a network interface, and KillerBee is only used for pentest? As far as I understand it, you can't use either to connect…
Terry BRETT
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"eval" function doesn't work to group several lines in a string

I'm using this code to send a Xbee-Xbee packet through API mode to print (in a real printer) on the end node. I'm reading a .txt file, saving some lines in a var and sending a API packet. On that file there's also some ESC/POS commands. When I try…
Paiusco
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Non generic ZCL frame parsing

I have to decrypt frame from ZCL (Zigbee Cluster Library) and to interpretate it. So I found on NPM the "zcl-packet" module, who seems to do it well. But, i work with sensors who use the "ZCL syntax", but who create their own cluster, so i have…
Little squirrel
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XBee S2 ZigBee reading digital input

I currently have one XBee S2 and configure it as 'ZigBee Router AT' using X-CTU by USB to UART converter that's connect to my PC. I want to be able to use the digital I/O of XBee instead of using another external MCU(like Arduino). For testing…
mateen rajid
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ZigBee Light Link product with custom gateway

Background information The company where I do my internship is developing a smart home cloud solution with it's focus on B2B. We have already connected several LoRa and EnOcean products to our cloud that are working fine. Now our PR department would…
Jules
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IEEE 802.15.4 Superframe Structure Slot alignment reason

Consider IEEE 802.15.4 Protocol superframe structure (Image Src: Google) IEEE 802.15.4 Superframe Structure In this structure Contention Access Period(CAP) is always followed by Contention Free Period(CFP). So is there any particular reason behind…
abhi195
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IoTivity Zigbee communication

I am using IoTivity 1.2.0 downloaded from https://www.iotivity.org/downloads After connecting Telegesis Dongle to the USB port, when I use dmesg command in terminal I am getting following output: [ 1468.177799] iotivityandzigb[3807]: segfault at…
akshay yadawar
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