News items for tag zigbee - Koos van den Hout

2021-07-03 Forgot about zigbee2mqtt running with permit_join true and 2 devices joined my zigbee network 2 weeks ago
I sort of forgot I had zigbee2mqtt running since 18 June and the network enhanced itself with two devices: a 'lidl smart plug' and a 'power supply/relay/dimmer'. The Lidl Silvercrest smart plug (EU, CH, FR, BS, DK) (HG06337) left the network by itself but the Busch-Jaeger Zigbee Light Link power supply/relay/dimmer (6735/6736/6737) was actively reporting and I was able to switch the light on and off.

After resetting it to the state I found it in I tried to remove it from the network (by sending a 'remove' message to zigbee2mqtt) but it came back right away. So I stopped zigbee2mqtt, set permit_join to false and restarted it. After that I gave the 'remove' command again and that worked and it hasn't come back.

Log from zigbee2mqtt with the device id removed:
Zigbee2MQTT:info  2021-07-03 15:59:04: MQTT publish: topic 'zigbee2mqtt/0xd85def11a1004f69', payload '{"brightness_relay":254,"linkquality":33,"state_relay":"OFF"}'
Zigbee2MQTT:info  2021-07-03 15:59:08: Removing '0x****************'
Zigbee2MQTT:info  2021-07-03 15:59:08: Successfully removed 0x****************
Zigbee2MQTT:info  2021-07-03 15:59:08: MQTT publish: topic 'zigbee2mqtt/bridge/log', payload '{"message":"0x****************","type":"device_removed"}'
Zigbee2MQTT:warn  2021-07-03 15:59:08: Device '0x****************' left the network
Zigbee2MQTT:info  2021-07-03 15:59:08: MQTT publish: topic 'zigbee2mqtt/bridge/event', payload '{"data":{"ieee_address":"0x****************"},"type":"device_leave"}'
Zigbee2MQTT:info  2021-07-03 15:59:08: MQTT publish: topic 'zigbee2mqtt/bridge/log', payload '{"message":"left_network","meta":{"friendly_name":"0x****************"},"type":"device_removed"}'
Zigbee2MQTT:warn  2021-07-03 15:59:08: Device '0x****************' left the network
Zigbee2MQTT:info  2021-07-03 15:59:08: MQTT publish: topic 'zigbee2mqtt/bridge/event', payload '{"data":{"ieee_address":"0x****************"},"type":"device_leave"}'
Zigbee2MQTT:info  2021-07-03 15:59:08: MQTT publish: topic 'zigbee2mqtt/bridge/log', payload '{"message":"left_network","meta":{"friendly_name":"0x****************"},"type":"device_removed"}'

Sorry to whoever in the neighbourhood wasn't able to get their new lightswitch/dimmer working with their own hub. It should work now.

I checked the documentation and it's perfectly possible to tell zigbee2mqtt to allow/deny joins (even for a set time) via a message delivered via mqtt: MQTT topics and message structure: zigbee2mqtt/bridge/request/permit_join. I will leave the fixed configuration to joins disabled and will allow a join by hand when there is an actual device to join.

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2021-06-23 Making my changes to mqtt-to-influxdb-forwarder available 1 month ago
To share my work on mhaas / mqtt-to-influxdb-forwarder : IoT MQTT to InfluxDB forwarder I forked the repository to KHoos / mqtt-to-influxdb-forwarder: zigbee2mqtt to InfluxDB forwarder and committed my changes to the source, and later updated the documentation and committed those changes too.

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2021-06-22 Getting the first zigbee environment data into influxdb 1 month ago
I thought somebody must have been doing zigbee2mqtt measurements to influxdb before and I was somewhat right: it was mentioned in a bugreport! In issue Can't receive messages from mqtt #3 it shows that someone is already trying to do this but it's not completely there yet. So I cloned mhaas / mqtt-to-influxdb-forwarder : IoT MQTT to InfluxDB forwarder after a few updates it does what I want: correctly use the sensor id as tag and only parse messages that have live sensor data. Zigbee2mqtt likes to publish its internal housekeeping as mqtt messages and I don't need those.

So now I get from
zigbee2mqtt/0x00158d0006fafb00 {"battery":100,"humidity":37.86,"linkquality":84,"pressure":1032,"temperature":28.67,"voltage":3045}
To
DEBUG:forwarder.InfluxStore:Writing InfluxDB point: {'fields': {u'linkquality': 84.0, u'temperature': 28.67, u'battery': 100.0, u'humidity': 37.86, u'pressure': 1032.0, u'voltage': 3045.0}, 'tags': {'sensor_address': u'0x00158d0006fafb00'}, 'measurement': 'environment'}
And available as:
$ influx -database environment -precision rfc3339
Connected to http://localhost:8086 version 1.6.4
InfluxDB shell version: 1.6.4
> select * from environment;
name: environment
time                           battery humidity linkquality pressure sensor_address     temperature voltage
----                           ------- -------- ----------- -------- --------------     ----------- -------
[..]
2021-06-22T21:05:10.227577886Z 100     37.86    84          1032     0x00158d0006fafb00 28.67       3045
I will need to add something with friendly names, but this is a nice start. Data flows!

And regex101 regular expression tester and debugger saved the day in finding how to change the Python regular expression to only accept data from zigbee messages with a sensor address.

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2021-06-19 Better zigbee communication 1 month ago
The page How to improve network range and stability - zigbee2mqtt.io has using an USB extension cable as the first solution to improve communications. And indeed my earlier problems with zigbee communications now seem solved and I get good quality readings from longer distances.

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2021-06-18 Raspberry pi in the utility closet gathering temperature readings 1 month ago
After reinstalling the Raspberry Pi in the utility closet so it can run newer software I did the steps to install zigbee2mqtt on it which was quite possible this time.

I migrated the settings and the database from my first run of zigbee2mqtt on a linux laptop and on the first try no communication started with the zigbee dongle.

On the second try (different usb port) things started working. The zigbee dongle is currently plugged directly into the Raspberry and as several manuals say this is not an ideal configuration. Those manuals are right: suddenly the sensor about 4 meters away isn't seen. I will need to improve the situation and move the dongle or its antenna to a better location.
Zigbee2MQTT:info  2021-06-18 22:28:15: MQTT publish: topic 'zigbee2mqtt/0x00158d0006fafb00', payload '{"battery":100,"humidity":62.52,"linkquality":147,"pressure":1023,"temperature":27.77,"voltage":3175}'

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2021-06-16 Raspberry pi monitoring the smart meter is now reinstalled 1 month ago
Because the installation of zigbee2mqtt was not possible on the Raspberry pi in the utility closet I decided to do a reinstallation with Raspbian buster. According to some on-line opinions reinstalling is better than a distro upgrade on a microsd card.

I was lucky to have a spare MicroSD card and a spare Raspberry Pi available. I did the whole installation on the spare and made sure to set up everything already so things would start running. And the thing that I missed was fixed easily with the old configuration still available. The Raspberry Pi in the utility closet was only running the smart meter monitoring, but now it is upgraded it can do more things, and running zigbee2mqtt for checking on wireless sensors in the house is next.

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2021-06-12 First light on zigbee environment sensors 1 month ago
The package with the zigbee environment sensors I ordered arrived this morning and I had to get the first test done right away.

Joining the network/resetting the sensor is easy with a long press of the button and it showed up:
Zigbee2MQTT:info  2021-06-12 11:53:17: Device '0x00158d0006fafb00' joined
Zigbee2MQTT:info  2021-06-12 11:53:17: Starting interview of '0x00158d0006fafb00'
gbee2MQTT:info  2021-06-12 11:53:52: Successfully interviewed '0x00158d0006fafb00', device has successfully been paired
Zigbee2MQTT:info  2021-06-12 11:53:52: Device '0x00158d0006fafb00' is supported, identified as: Xiaomi Aqara temperature, humidity and pressure sensor (WSDCGQ11LM)
Zigbee2MQTT:info  2021-06-12 11:53:52: Configuring '0x00158d0006fafb00'
Zigbee2MQTT:info  2021-06-12 11:53:52: Successfully configured '0x00158d0006fafb00'
And now it gives me data!
Zigbee2MQTT:info  2021-06-12 12:15:53: MQTT publish: topic 'zigbee2mqtt/0x00158d0006fafb00', payload '{"battery":100,"humidity":45.77,"linkquality":153,"pressure":1033,"temperature":24.9,"voltage":3055}'
Zigbee2MQTT:info  2021-06-12 12:15:53: MQTT publish: topic 'zigbee2mqtt/0x00158d0006fafb00', payload '{"battery":100,"humidity":45.85,"linkquality":156,"pressure":1033,"temperature":24.9,"voltage":3055}'
Zigbee2MQTT:info  2021-06-12 12:15:53: MQTT publish: topic 'zigbee2mqtt/0x00158d0006fafb00', payload '{"battery":100,"humidity":45.85,"linkquality":156,"pressure":1033,"temperature":24.9,"voltage":3055}'
Also visible via mqtt:
koos@testrouter:~$ mosquitto_sub -t zigbee2mqtt/0x00158d0006fafb00 -v
zigbee2mqtt/0x00158d0006fafb00 {"battery":100,"humidity":45.77,"linkquality":153,"pressure":1033,"temperature":24.9,"voltage":3055}
zigbee2mqtt/0x00158d0006fafb00 {"battery":100,"humidity":45.85,"linkquality":156,"pressure":1033,"temperature":24.9,"voltage":3055}
zigbee2mqtt/0x00158d0006fafb00 {"battery":100,"humidity":45.85,"linkquality":156,"pressure":1033,"temperature":24.9,"voltage":3055}
Read the rest of First light on zigbee environment sensors

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2021-06-11 I will need a fresh raspberrypi install for zigbee2mqtt 1 month ago
I started looking at the instructions for running zigbee2mqtt and the instructions for installing npm/nodejs gave me a lot of error messages on the raspberrypi running in the utility closet and checking the smart meter.

It turns out it needs an upgrade from Raspbian jessie. This Raspberry Pi is dedicated to reading the smart meter since August 2016 and it has been running fine gathering the smart meter data.

The raspbian forums state that it is better to upgrade by reinstallation on a different SD card. So I guess it's time to rebuild the smartmeter Pi if I want it to run the zigbee sensor network.

Update:
I installed all the software on a linux laptop and now I have a running zigbee2mqtt.
Read the rest of I will need a fresh raspberrypi install for zigbee2mqtt

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2021-06-09 The Electrolama zigbee stick comes in from England: time to pay taxes! 1 month ago
The zigbee stick I ordered for environmental monitoring at home is making its way over here and I received an sms about the duty and tax to be paid for importing it from the United Kingdom. Indeed, since brexit taxes have to be paid.

My first reaction when receiving an sms about a package was to think of malware attempts since that has been in the news recently. So I checked carefully. It's good dpd also sends an e-mail with the same information, and I can check the validity of the links and the source of the e-mail a lot better on a computer.

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2021-06-07 Wireless enviromental monitoring with zigbee 1 month ago
Since January 2008 I measure temperatures and other environmental data in and around the house with 1-wire sensors and adaptors. These work fine but need wires between the sensors and that isn't ideal for quick spot measurements.

So I looked into other options recently, and found affordable zigbee temperature/air pressure/humidity sensors. And an USB zigbee interface which works with linux and with a lot of the available application software. Because the next problem is going sensor - zigbee network - zigbee usb interface - some magic - database of measurements.

Because I see myself wanting long series of measurements from a number of places in the house and testing without breaking those series I ordered two USB zigbee interfaces and eight environmental sensors. I guess I want production and development enviromental monitoring.

The zigbee stick is not the cheapest solution but it is documented to work with zigbee2mqtt and buying one supports work on that software.

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