What
MQTT is pronounced 'mosquito' , ISO20922 describes it.
It's a simple messaging protocol with a publish/subscribe based model.
Where
I seems to run at 10.208.11.30 aka arbiter.vm.nurd.space
Whats it used for
Power Meter
The Power_Meter project publishes it's readings to the following topics;
#define MQTT_TOPIC_WATT "powermeter/watt" #define MQTT_TOPIC_KWH "powermeter/kwh" #define MQTT_TOPIC_PULSE "powermeter/pulsecount" (from; https://github.com/NURDspace/kwhMeter/blob/master/src/config.h_sample)
Used topics
power/main/pulsecount 1441113 power/main/kwh 3842.968 power/main/watt 235 space/state 0 space/grotezaal/rechts/1 off space/grotezaal/rechts/1/stat off space/hal/rechts/1 off space/hal/rechts/1/stat off space/bar/1 off space/bar/1/stat off space/makerhoek/1 off space/makerhoek/1/stat off stat/sonoff/POWER ON stat/audioamp/POWER OFF sonoff/POWER ON sonoff/audioamp/POWER ON tele/audioamp/LWT Online cmnd/audioamp/POWER OFF