Control by MQTT

Nick Buedts

Hi,

I have successfully connect my PLUS 1PM to my broker. (screenshot 1)

All I want to do with this device is to activate and deactivate the relay by MQTT. All the other things I don't need. I will also never subscribe to any topic of this device.

But I find as good as NO info about the topic and payload to do this.

What I did found is that the topic should be: shellies/zwembad/relay/0/command and the payload simply on or off

But this does not work.

I do receive messages, but on completely different topic structures (screenshot 2)

Do I need to do scripting to get started with MQTT controlling the device?

Long story short: I have 1 (new) shelly device, what is the topic and payload to control the relay?

Thanks

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Seven of Nine

example for mosquitto_pub, message (-m) has to be JSON.

Code

mosquitto_pub -h localhost -p 1883 -u admin -P admin -t zwembad/rpc -m '{"id":124, "src":"zwembad", "method":"Switch.Set", "params":{"id":0,"on":true}}'

Nick Buedts

Thanks,
you have put me on the right way.

The documentation is really confusing, but finally, with copy-past and a lot of testing I found the right topic and payload.

Topic: zwembad/rpc ==> Where zwembad is the configured device name, don't forget the /rpc
Payload: {"id":1, "src":"PFC100", "method": "Switch.Set", "params":{"id":0,"on":true} } ==> Where the first ID and SRC is something you choose, this comes back in the confirmation message.

This can be closed

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DauKarl

Zitat von Nick Buedts

Thanks,
you have put me on the right way.
The documentation is really confusing, but finally, with copy-past and a lot of testing I found the right topic and payload.
Topic: zwembad/rpc ==> Where zwembad is the configured device name, don't forget the /rpc
Payload: {"id":1, "src":"PFC100", "method": "Switch.Set", "params":{"id":0,"on":true} } ==> Where the first ID and SRC is something you choose, this comes back in the confirmation message.
This can be closed
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Hello,

i am trying for some hours to do the same - switching the relay from MQTT, but it does not work.

in my opinion i am using the same "order" as Nick - but the relay does not switch...

is there anything else to configure on the ShellyPlus1PM?

Code

mosquitto_pub -t 'shellyTest/rpc' -m '{"id":124, "src":"shellyTest","method":"Switch.Set", "params":{"id":0,"on":true}}'

with the http commands it works fine - both possibilites known to me work:

Code

http://192.168.2.xxx/relay/0?turn=on
http://192.168.2.xxx/rpc/Switch.Set?id=0&on=true

getting status infos like power and energy via mqtt works also fine only relay switching does not...

thynk you for your help,

Karl

_[Deleted]_

Additional Information:

Every Shelly device publishes and subscribes to specific preset topics, such as "command/switch:0" or "shellys/command..." You can control your Shelly devices by sending your commands to these specific topics. For "command/switch:0," your payload should consist of "on" , "off" or "toggle". All Shelly devices are listening to the "shellys/command" topic, so publishing commands there can be useful for executing bash commands like updating all devices, and nice other purposes.

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I initially searched for instructions on how to use them and stumbled upon this post. However, through some trial and error, I managed to make it work. I hope that anyone who finds themselves in a similar situation through a Google search can now save some time.

Control by MQTT

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