Wireless mesh networks are fascinating because they adapt to changing situations and can bridge longer distances than point-to-point connections. Today we will have a look into the standard Zigbee mesh technology, learn its pros and cons, and compare it with Wi-Fi and LoraWAN networks.
Mesh networks are a little anarchic, and maybe this is why they are fascinating for many free-thinking Makers. But is this true? To find this out, we will:

- Compare mesh networks with star or "hub-n-spoke" networks
- Look at the different roles in a mesh network
- Look at the pros- and cons of a mesh structure
- Enable a Raspberry Pi and a cheap USB dongle to act as a network coordinator
- Find a way to chart the network for analysis automatically
- Try out various network constellations and see if and how it adapts
- Connect the network to Node-Red
- And glimpse into other mesh networks
I am a proud Patreon of GreatScott!, Electroboom, Electronoobs, EEVblog, and others.

Links:
Zigbee2MQTT: https://www.zigbee2mqtt.io/
IOT STack for Raspberries: https://github.com/gcgarner/IOTstack
Ikea Tradfri: https://www.ikea.com/ch/en/catalog/ca...
Xiaomi ZigBee devices: http://s.click.aliexpress.com/e/BGsdpble
Philips Hue: https://www2.meethue.com/en-us
CC2531 Dongles and programmers: http://s.click.aliexpress.com/e/dP2miONi or http://bit.ly/2NogMdv
Zigbee Modules: http://s.click.aliexpress.com/e/5OjauYUY
Other examples: http://bit.ly/2NqWH65 or http://bit.ly/2Nspl71
Conbee2: https://amzn.to/2LRUxtS

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Supporting Material and Blog Page: http://www.sensorsiot.org

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