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MQTT Bridge

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Documentation for serial protocol

requeijaum opened this issue · comments

commented

I can't find the message format for using the bridge correctly.

I was successfully using another project but it's bridge can't receive MQTT messages from Serial (reverse way), only publish to a broker.

Here is a quick log from your application:

vd@vd1:~/downloads/2mqtt-1.3-linux-arm64$ ./2mqtt 
2023-02-17T11:53:01.168Z        info    start/logger.go:14      welcome to the 2mqtt adapter server :)
2023-02-17T11:53:01.168Z        info    start/logger.go:15      server detail   {"version": {"version":"1.3","gitCommit":"0667010e106bc840db78c3b8d157498d8e116856","buildDate":"2022-06-08T10:20:20+00:00","goLang":"go1.18.2","platform":"linux","arch":"arm64"}, "loggerConfig": {"Mode":"development","Encoding":"console","Level":"debug"}}
2023-02-17T11:53:01.169Z        debug   mqtt/device.go:60       mqtt config     {"adapterName": "adapter1", "config": {"Name":"","Broker":"tcp://127.0.0.1:1883","InsecureSkipVerify":true,"Username":"","Subscribe":"vallydroid/#","Publish":"vallydroid/","QoS":0,"TransmitPreDelay":"0s","ReconnectDelay":"5s"}}
2023-02-17T11:53:01.170Z        debug   mqtt/device.go:94       mqtt client connected successfully      {"adapterName": "adapter1", "timeTaken": "1.579829ms", "clientConfig": {"Name":"","Broker":"tcp://127.0.0.1:1883","InsecureSkipVerify":true,"Username":"","Subscribe":"vallydroid/#","Publish":"vallydroid/","QoS":0,"TransmitPreDelay":"0s","ReconnectDelay":"5s"}}
2023-02-17T11:53:01.170Z        info    adapter/service.go:238  connected to the mqtt broker    {"adapterName": "adapter1"}
2023-02-17T11:53:01.170Z        debug   mqtt/device.go:103      mqtt connection success {"adapterName": "adapter1"}
2023-02-17T11:53:01.171Z        debug   serial/device.go:58     generated config        {"config": {"Port":"/dev/ttyUSB0","BaudRate":115200,"MessageSplitter":10,"TransmitPreDelay":"10ms"}}
2023-02-17T11:53:01.171Z        info    serial/device.go:62     opening a serial port   {"adapterName": "adapter1", "port": "/dev/ttyUSB0"}
2023-02-17T11:53:01.171Z        debug   mqtt/device.go:186      subscribed a topic      {"adapterName": "adapter1", "topic": "vallydroid/#"}
2023-02-17T11:53:01.177Z        info    adapter/service.go:270  connected to the source device  {"adapterName": "adapter1"}
2023-02-17T11:53:01.177Z        info    start/start.go:26       services started        {"timeTaken": "10.175326ms"}
2023-02-17T11:53:08.511Z        debug   adapter/service.go:172  received a message from source device   {"message": "{data:[1,\"vallydroid/sensors/24AE0525BF58/send\",\"JK4FJb9YAQ0BFwEH1SoCnwDKAAAQsBA=\"]\r, others:map[], timestamp:2023-02-17 11:53:08.511578315 +0000 GMT m=+7.347275376"}
2023-02-17T11:53:09.178Z        debug   mqtt/device.go:134      about to send a message {"adapterName": "adapter1", "message": "{data:[1,\"vallydroid/sensors/24AE0525BF58/send\",\"JK4FJb9YAQ0BFwEH1SoCnwDKAAAQsBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:], timestamp:2023-02-17 11:53:08.511578315 +0000 GMT m=+7.347275376"}
2023-02-17T11:53:09.181Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:[1,\"vallydroid/sensors/24AE0525BF58/send\",\"JK4FJb9YAQ0BFwEH1SoCnwDKAAAQsBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:09.181021406 +0000 GMT m=+8.016718560"}
2023-02-17T11:53:09.194Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:[1,\"vallydroid/sensors/24AE0525BF58/send\",\"JK4FJb9YAQ0BFwEH1SoCnwDKAAAQsBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:09.19393239 +0000 GMT m=+8.029629562"}
2023-02-17T11:53:09.992Z        debug   adapter/service.go:172  received a message from source device   {"message": "{data:[1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r, others:map[], timestamp:2023-02-17 11:53:09.992556235 +0000 GMT m=+8.828253407"}
2023-02-17T11:53:10.178Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid/sensors/24AE0525BF58/send\",\"JK4FJb9YAQ0BFwEH1SoCnwDKAAAQsBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:09.181021406 +0000 GMT m=+8.016718560"}
2023-02-17T11:53:10.178Z        debug   mqtt/device.go:134      about to send a message {"adapterName": "adapter1", "message": "{data:[1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:], timestamp:2023-02-17 11:53:09.992556235 +0000 GMT m=+8.828253407"}
2023-02-17T11:53:10.179Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:[1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:10.179059469 +0000 GMT m=+9.014756512"}
2023-02-17T11:53:10.186Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:[1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:10.186665782 +0000 GMT m=+9.022362825"}
2023-02-17T11:53:10.188Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid/sensors/24AE0525BF58/send\",\"JK4FJb9YAQ0BFwEH1SoCnwDKAAAQsBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:09.19393239 +0000 GMT m=+8.029629562"}
2023-02-17T11:53:10.199Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:10.179059469 +0000 GMT m=+9.014756512"}
2023-02-17T11:53:10.209Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:10.186665782 +0000 GMT m=+9.022362825"}
2023-02-17T11:53:30.259Z        debug   adapter/service.go:172  received a message from source device   {"message": "{data:[1,\"vallydroid/sensors/184166F23A08/send\",\"GEFm8joIAQ8BHQEL1SoCiwDIAAAQuBA=\"]\r, others:map[], timestamp:2023-02-17 11:53:30.25971624 +0000 GMT m=+29.095413264"}
2023-02-17T11:53:31.178Z        debug   mqtt/device.go:134      about to send a message {"adapterName": "adapter1", "message": "{data:[1,\"vallydroid/sensors/184166F23A08/send\",\"GEFm8joIAQ8BHQEL1SoCiwDIAAAQuBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:], timestamp:2023-02-17 11:53:30.25971624 +0000 GMT m=+29.095413264"}
2023-02-17T11:53:31.178Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:[1,\"vallydroid/sensors/184166F23A08/send\",\"GEFm8joIAQ8BHQEL1SoCiwDIAAAQuBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:31.178879574 +0000 GMT m=+30.014576617"}
2023-02-17T11:53:31.185Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:[1,\"vallydroid/sensors/184166F23A08/send\",\"GEFm8joIAQ8BHQEL1SoCiwDIAAAQuBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:31.185833108 +0000 GMT m=+30.021530151"}
2023-02-17T11:53:32.177Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid/sensors/184166F23A08/send\",\"GEFm8joIAQ8BHQEL1SoCiwDIAAAQuBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:31.178879574 +0000 GMT m=+30.014576617"}
2023-02-17T11:53:32.188Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid/sensors/184166F23A08/send\",\"GEFm8joIAQ8BHQEL1SoCiwDIAAAQuBA=\"]\r, others:map[mqtt_qos:0 mqtt_topic:vallydroid/], timestamp:2023-02-17 11:53:31.185833108 +0000 GMT m=+30.021530151"}
commented

@requeijaum can you share the configuration file?

commented

from this I understand that, you are publishing and subscribing same topic.

  • What ever you post on the topic subscribe will be sent to the serial device.
  • Whatever you receive on the serial device, will be published on the topic publish
  • the protocol raw simply forwards the data between mqtt and devices, here it is serial.
{"adapterName": "adapter1", "config": {"Name":"","Broker":"tcp://127.0.0.1:1883","InsecureSkipVerify":true,"Username":"","Subscribe":"vallydroid/#","Publish":"vallydroid/","QoS":0,"TransmitPreDelay":"0s","ReconnectDelay":"5s"}}

I think you are looking slimier to serial2mqtt. we have to implement the message parser to support your expectation

commented

@requeijaum I have added format script support. I hope with this option we can achieve your requirement. Still if you are interested in 2mqtt let me know, I can guide you.

commented

Thanks for the reply!

I need to subscribe: "vallydroid/sensors/+/send" (notice the wildcard)

And post messages for each sub-device at "vallydroid/sensors/MAC_ADDR/recv".

Does 2mqtt have the possibility of publishing messages for different MQTT topics ???

commented

@requeijaum Can you give some of samples of following,

  • serial data from your device and how you want to post it to mqtt (including topic details)
  • mqtt subscribed data and how you want to post it to serial device (including mqtt topic details)

Does 2mqtt have the possibility of publishing messages for different MQTT topics ???

It is possible, if you have the topic details on your serial data

commented

First of all:

I receive data from serial port - they are measurements for each sensor.

Since they are base64 coded: I need to decode them internally.
So I publish that data to the MQTT broker (at individual sensor topics).
"vallydroid/sensors/123456789/send" In this example.

After this decode operation: I need to update the sensors screens individually.

I proceed to publish another message in a different sub-topic.
"vallydroid/sensors/123456789/recv", in this case.
I just need to get this message from MQTT to Serial.

That's because all the sensors are running on a different kind of networking and we have a device that acts as a bridge through serial port.

The MQTT broker is a central part of my project because we use it as a way to organize all the sensors involved.

commented

@requeijaum from the log of your initial post I go the following data

  • from serial: [1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r
    to mqtt: topic: vallydroid/sensors/E04066F23A08/send, data: 4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=

  • from mqtt: topic: vallydroid/sensors/E04066F23A08/recv, data: 4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=
    to serial: [1,\"vallydroid/sensors/E04066F23A08/recv\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\r

Am I understand correctly?

commented

That's it. But /recv isn't base64 encoded.

commented

@requeijaum can you try the following configuration with your serial device?
use 2mqtt version 1.4

logger:
  mode: development
  encoding: console
  level: debug

adapters:
  - name: my_serial2mqtt
    enabled: true
    reconnect_delay: 30s
    provider: raw
    source:
      type: serial
      port: /dev/ttyUSB0
      baud_rate: 115200
      transmit_pre_delay: 10ms
    mqtt:
      broker: tcp://127.0.0.1:1883
      insecure: false
      username: 
      password: 
      subscribe: 
      publish: 
      qos: 0
      transmit_pre_delay: 0s
      reconnect_delay: 5s
    formatter_script:

      to_mqtt: |
        let update_raw_data = raw_data
        if (update_raw_data.endsWith("\\r")){
          update_raw_data = update_raw_data.slice(0, -2)
        }
        let serialData = JSON.parse(update_raw_data)
        // sample data
        // [1,"vallydroid/sensors/E04066F23A08/send","4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA="]
        let keyMap = ["command", "mqtt_topic", "data"]
        let serialDataMap = {}
        for (let index=0; index<serialData.length;index++) {
          serialDataMap[keyMap[index]] = serialData[index]
        }
        result={
          ...serialDataMap
        }

      to_source: |
        // generate as follows
        // [1,"vallydroid/sensors/E04066F23A08/recv","my-data"]
        result={
          data: JSON.stringify([1, mqtt_topic, raw_data])
        }
commented

I will check this in the next 6 hours. I'm on BRT (Brazilian time).

commented

@requeijaum ok, take your time

commented

I think that the script is running properly !!!

vd@vd1:~/downloads/2mqtt-1.4-linux-arm64$ ./2mqtt 
2023-02-24T00:01:28.250Z        info    start/logger.go:14      welcome to the 2mqtt adapter server :)
2023-02-24T00:01:28.251Z        info    start/logger.go:15      server information      {"version": "{version:1.4, gitCommit:4242702b0b9349e7f457792e3f784ac62a7366a9, buildDate:2023-02-20T02:02:53+00:00, goLang:go1.20.1, platform:linux, arch:arm64}", "logger": {"Mode":"development","Encoding":"console","Level":"debug"}}
2023-02-24T00:01:28.251Z        debug   adapter/store.go:48     starting an adapter     {"name": "adapter1", "provider": "raw"}
2023-02-24T00:01:28.252Z        debug   mqtt/device.go:60       mqtt config     {"adapterName": "adapter1", "config": {"Name":"","Broker":"tcp://127.0.0.1:1883","Insecure":false,"Username":"","Subscribe":"vallydroid/#","Publish":"vallydroid/","QoS":0,"TransmitPreDelay":"0s","ReconnectDelay":"5s"}}
2023-02-24T00:01:28.260Z        debug   mqtt/device.go:94       mqtt client connected successfully      {"adapterName": "adapter1", "timeTaken": "8.139485ms", "clientConfig": {"Name":"","Broker":"tcp://127.0.0.1:1883","Insecure":false,"Username":"","Subscribe":"vallydroid/#","Publish":"vallydroid/","QoS":0,"TransmitPreDelay":"0s","ReconnectDelay":"5s"}}
2023-02-24T00:01:28.261Z        info    adapter/service.go:238  connected to the mqtt broker    {"adapterName": "adapter1", "provider": "raw"}
2023-02-24T00:01:28.261Z        debug   mqtt/device.go:103      mqtt connection success {"adapterName": "adapter1"}
2023-02-24T00:01:28.261Z        debug   serial/device.go:58     source device config    {"id": "adapter1", "config": {"Port":"/dev/ttyUSB0","BaudRate":115200,"MessageSplitter":10,"TransmitPreDelay":"10ms"}}
2023-02-24T00:01:28.262Z        info    serial/device.go:62     opening a serial port   {"adapterName": "adapter1", "port": "/dev/ttyUSB0"}
2023-02-24T00:01:28.263Z        debug   mqtt/device.go:186      subscribed a topic      {"adapterName": "adapter1", "topic": "vallydroid/#"}
2023-02-24T00:01:28.270Z        info    adapter/service.go:270  connected to the source device  {"adapterName": "adapter1", "provider": "raw"}
2023-02-24T00:01:28.270Z        info    start/start.go:23       services started        {"timeTaken": "18.336869ms"}
^[[21~2023-02-24T00:01:33.857Z  debug   adapter/service.go:172  received a message from source device   {"message": "{data:[1,\"vallydroid/sensors/404266F23A08/send\",\"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=\"]\r, others:map[], timestamp:2023-02-24 00:01:33.857024546 +0000 GMT m=+5.619853010", "adapterName": "adapter1", "provider": "raw"}
2023-02-24T00:01:33.860Z        debug   javascript/utils.go:35  executing script        {"variables": {"raw_data":"[1,\"vallydroid/sensors/404266F23A08/send\",\"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=\"]\r"}, "scriptString": "let update_raw_data = raw_data\nif (update_raw_data.endsWith(\"\\\\r\")){\n  update_raw_data = update_raw_data.slice(0, -2)\n}\nlet serialData = JSON.parse(update_raw_data)\n// sample data\n// [1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\nlet keyMap = [\"command\", \"mqtt_topic\", \"data\"]\nlet serialDataMap = {}\nfor (let index=0; index<serialData.length;index++) {\n  serialDataMap[keyMap[index]] = serialData[index]\n}\nresult={\n  ...serialDataMap\n}\n"}
2023-02-24T00:01:33.862Z        debug   javascript/utils.go:50  executed script {"variables": {"raw_data":"[1,\"vallydroid/sensors/404266F23A08/send\",\"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=\"]\r"}, "scriptString": "let update_raw_data = raw_data\nif (update_raw_data.endsWith(\"\\\\r\")){\n  update_raw_data = update_raw_data.slice(0, -2)\n}\nlet serialData = JSON.parse(update_raw_data)\n// sample data\n// [1,\"vallydroid/sensors/E04066F23A08/send\",\"4EBm8joIAQ0BGgEM1SkCcwC/AAAQrhA=\"]\nlet keyMap = [\"command\", \"mqtt_topic\", \"data\"]\nlet serialDataMap = {}\nfor (let index=0; index<serialData.length;index++) {\n  serialDataMap[keyMap[index]] = serialData[index]\n}\nresult={\n  ...serialDataMap\n}\n", "output": {"command":1,"data":"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=","mqtt_topic":"vallydroid/sensors/404266F23A08/send"}}
2023-02-24T00:01:34.271Z        debug   mqtt/device.go:134      about to send a message {"adapterName": "adapter1", "message": "{data:QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=, others:map[command:1 mqtt_qos:0 mqtt_topic:vallydroid/sensors/404266F23A08/send], timestamp:2023-02-24 00:01:33.857024546 +0000 GMT m=+5.619853010"}
2023-02-24T00:01:34.273Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=, others:map[mqtt_qos:0 mqtt_topic:vallydroid//vallydroid/sensors/404266F23A08/send], timestamp:2023-02-24 00:01:34.272683907 +0000 GMT m=+6.035512370", "adapterName": "adapter1", "provider": "raw"}
2023-02-24T00:01:34.275Z        debug   javascript/utils.go:35  executing script        {"variables": {"mqtt_qos":0,"mqtt_topic":"vallydroid//vallydroid/sensors/404266F23A08/send","raw_data":"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA="}, "scriptString": "// generate as follows\n// [1,\"vallydroid/sensors/E04066F23A08/recv\",\"my-data\"]\nresult={\n  data: JSON.stringify([1, mqtt_topic, raw_data])\n}\n"}
2023-02-24T00:01:34.276Z        debug   javascript/utils.go:50  executed script {"variables": {"mqtt_qos":0,"mqtt_topic":"vallydroid//vallydroid/sensors/404266F23A08/send","raw_data":"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA="}, "scriptString": "// generate as follows\n// [1,\"vallydroid/sensors/E04066F23A08/recv\",\"my-data\"]\nresult={\n  data: JSON.stringify([1, mqtt_topic, raw_data])\n}\n", "output": {"data":"[1,\"vallydroid//vallydroid/sensors/404266F23A08/send\",\"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=\"]"}}
2023-02-24T00:01:34.287Z        debug   adapter/service.go:162  received a mqtt message {"message": "{data:QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=, others:map[mqtt_qos:0 mqtt_topic:vallydroid//vallydroid/sensors/404266F23A08/send], timestamp:2023-02-24 00:01:34.286979533 +0000 GMT m=+6.049807996", "adapterName": "adapter1", "provider": "raw"}
2023-02-24T00:01:34.289Z        debug   javascript/utils.go:35  executing script        {"variables": {"mqtt_qos":0,"mqtt_topic":"vallydroid//vallydroid/sensors/404266F23A08/send","raw_data":"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA="}, "scriptString": "// generate as follows\n// [1,\"vallydroid/sensors/E04066F23A08/recv\",\"my-data\"]\nresult={\n  data: JSON.stringify([1, mqtt_topic, raw_data])\n}\n"}
2023-02-24T00:01:34.290Z        debug   javascript/utils.go:50  executed script {"variables": {"mqtt_qos":0,"mqtt_topic":"vallydroid//vallydroid/sensors/404266F23A08/send","raw_data":"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA="}, "scriptString": "// generate as follows\n// [1,\"vallydroid/sensors/E04066F23A08/recv\",\"my-data\"]\nresult={\n  data: JSON.stringify([1, mqtt_topic, raw_data])\n}\n", "output": {"data":"[1,\"vallydroid//vallydroid/sensors/404266F23A08/send\",\"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=\"]"}}
2023-02-24T00:01:35.271Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid//vallydroid/sensors/404266F23A08/send\",\"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=\"], others:map[], timestamp:2023-02-24 00:01:34.272683907 +0000 GMT m=+6.035512370", "adapterName": "adapter1", "provider": "raw"}
2023-02-24T00:01:35.282Z        debug   adapter/service.go:148  posting a message to source device      {"message": "{data:[1,\"vallydroid//vallydroid/sensors/404266F23A08/send\",\"QEJm8joIABoBKgAU1SUCVv/UAAAQ1xA=\"], others:map[], timestamp:2023-02-24 00:01:34.286979533 +0000 GMT m=+6.049807996", "adapterName": "adapter1", "provider": "raw"}
commented

Here are some screenshots.
I will check the serial port output later on.

Screenshot_20230223_213202
Screenshot_20230223_213135
Screenshot_20230223_213018
Screenshot_20230223_212905

commented

@requeijaum nice it worked for you. to avoid loopback the same data to 2mqtt, update the subscribe topic to vallydroid/sensors/+/recv

commented

Is there a way to subscribe in two topics ?

commented

@requeijaum I see it is possible with comma , separated. can you try that?
example:

adapters:
  - name: my_serial2mqtt
    mqtt:
      subscribe: topic1,topic2,topic3

2mqtt/plugin/device/mqtt/device.go

Line 177 in 4242702

topics := strings.Split(topicsStr, ",")