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105 lines
3.8 KiB
Markdown
105 lines
3.8 KiB
Markdown
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---
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title: Controlling Zigbee devices with MQTT
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date: 2019-01-06 10:00:00
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tags:
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- mqtt
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- iot
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- zigbee
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---
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This is a short tutorial on connecting a zigbee device (an Aqara cube)
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to an MQTT server, so you can control your zigbee devices from the
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network.
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If you're anything like me, you're probably a sucker for IoT devices.
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For a long time, I've been using WiFi-enabled lights, and Amazon dash
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buttons to control them. To keep these (cheap Chinese) internet enabled
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devices away from your network and their respective cloud services,
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you'll probably want to set up a dedicated network in your router (more
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on this on a future post, maybe). Another disadvantage of WiFi devices
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is that they're relatively power hungry.
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A popular alternative is using ZigBee for communication. It is a
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dedicated protocol similar to bluetooth (BLE), with lower power
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requirements and bitrate.
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Take the (super cute) aqara cube as an example. It is a small cube that
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detects rotation on all of its axes, and tapping events. Here's a
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video:
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{{< youtube 5YtqG1wEnng >}}
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To connect to zigbee devices you will need a zigbee enabled gateway
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(a.k.a. hub), which connects to your WiFi network and your zigbee
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devices. Once again, this means adding an internet-enabled device to
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your home, and probably a couple of cloud services.
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As an alternative, you can set up your own zigbee gateway, and control
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it to your home automation platform of choice (e.g. home assistant). We
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will cover how to set up a zigbee2mqtt gateway that is also connected to
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an MQTT server, so you can use MQTT to control your devices and get
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notifications.
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What you need:
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- [Aqara
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cube](https://www.aliexpress.com/item/Original-Xiaomi-Mi-Aqara-Cube-Smart-Home-Controller-6-Action-Operation-Fr-Home-Device-Zigbee-Version/32892947622.html?spm=a2g0s.9042311.0.0.3da24c4dXV8sBI).
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- [CC2531 zigbee
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sniffer](https://www.aliexpress.com/item/Wireless-Zigbee-CC2531-CC2540-Zigbee-Sniffer-Bluetooth-BLE-4-0-Dongle-Capture-Module-USB-Programmer-Downloader/32907587711.html?spm=a2g0s.9042311.0.0.3da24c4dXV8sBI).
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- [CC-debugger](https://www.aliexpress.com/item/CFSUNBIRD-CC-DEBUGGER-Debugger-and-Programmer-for-RF-System-on-Chips-TI-ORIGINAL-Fast-hipping/32813122315.html?spm=a2g0s.9042311.0.0.3da24c4dXV8sBI).
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You will need to flash your sniffer. For that, you only need to follow
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the instructions from the [zigbee2mqtt
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documentation](https://koenkk.github.io/zigbee2mqtt/).
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Once you're done flashing, you're ready to set up the zigbee2mqtt
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server. For convenience, I wrote a simple docker-compose to deploy a
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zigbee2mqtt server and a test mosquitto server:
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```yaml
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version: '2.1'
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services:
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zigbee2mqtt:
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image: koenkk/zigbee2mqtt
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container_name: zigbee2mqtt
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restart: always
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volumes:
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- ./z2m-data/:/app/data/
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devices:
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- "/dev/ttyACM0"
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networks:
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- hass
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mqtt:
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image: eclipse-mosquitto
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ports:
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- 1883:1883
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- 9001:9001
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networks:
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- hass
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volumes:
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- ./mosquitto.conf:/mosquitto/config/mosquitto.conf
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networks:
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hass:
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driver: overlay
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```
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You can test your installation with:
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{{<highlight shell "linenos=" >}}
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❯ mosquitto_sub -h localhost -p 1883 -t 'zigbee2mqtt/#'
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online
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{"battery":17,"voltage":2925,"linkquality":149,"action":"rotate_right","angle":12.8}
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{"battery":17,"voltage":2925,"linkquality":141,"action":"slide","side":2}
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{"battery":17,"voltage":2925,"linkquality":120}
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{"battery":17,"voltage":2925,"linkquality":141,"action":"wakeup"}
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{{< / highlight >}}
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zigbee2mqtt supports the following events for the aqara cube: shake,
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wakeup, fall, tap, slide, flip180, flip90, rotate_left and
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rotate_right. Every event has additional information, such as the sides
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involved, or the degrees turned.
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Now you are ready to set up home assistant support in zigbee2mqtt
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following [this
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guide](https://koenkk.github.io/zigbee2mqtt/integration/home_assistant.html).
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