This tool allows to control VOLTCRAFT SEM6000 BLE (bluetooth low energy) power measurement sockets via MQTT and therefore easy integration in the home automation of your choice!
Based on the great work of Heckie and hypfvieh.
At the moment only crucial features are implemented: switching the relay, getting power and today's consumption values.
The tool only runs on Linux and requires Java and Bluez. It has been tested on the following environments:
Raspberry PI 3 B, Raspbian 10 Buster, OpenJDK 11.0.7, Bluez 5.50, built-in Bluetooth adapter usb:v1D6Bp0246d0532
Raspberry PI 3 B, Raspbian 10 Buster, OpenJDK 11.0.7, Bluez 5.50, USB Bluetooth adapter 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle
Virtual machine, Ubuntu 20.04, OpenJDK 11.0.7, Bluez 5.54, Intel Bluetooth adapter 8087:0a2b
For problems: Report issues.
For the missing features: Create pull requests.
You need a sem6.properties file where you can configure multiple SEM6000 devices.
rootTopic=home/mysemdevices # the mqtt root topic
mqttServer=tcp://192.168.0.1 # IP or hostname of your mqtt broker
sem1.mac=00:00:00:00:00:01 # the mac of your sem6000 device
sem1.pin=0000 # the PIN of your sem6000 device
sem1.name=sem1 # the name of your sem6000 device, use [a-z0-9]
sem1.refresh=60 # the schedule to send MQTT status information, seconds. Do not go below 30.
sem2.mac=00:00:00:00:00:02
sem2.pin=0000
sem2.name=sem2
sem2.refresh=60
How to get the mac? Log on to your host and enter
bluetoothctl
devices
It can simply be run with
java -jar sem6000-mqtt-1.0.0-jar-with-dependencies.jar
Don't forget to put the sem6.properties right beside the jar file.
Use the following topic and payloads to control the relay:
<roottopic from properties file>/<name of sem6000 from properties file>/relay/set (true|false)
Use the following topic and payloads to enable/disable the LED:
<roottopic from properties file>/<name of sem6000 from properties file>/led/set (true|false)
The tool will publish the following messages every 60 seconds (as configured in properties file):
<roottopic from properties file>/<name of sem6000 from properties file>/voltage (voltage)
<roottopic from properties file>/<name of sem6000 from properties file>/power (current power in watts)
<roottopic from properties file>/<name of sem6000 from properties file>/relay (relay, true or false)
<roottopic from properties file>/<name of sem6000 from properties file>/energytoday (consumed energy since midnight in watt hours)
A BLE connection is not stable sometimes. The tool will attempt to reconnect to the socket after five minutes in case the connection gets lost. It will stop reconnecting after reaching 100 consecutive unsuccessful reconnects.
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