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app-notes:ein-mqtt-server-fuer-iot-telemetry-sensoren [2023/11/09 15:08] gray [4. The visualization of the telemetry data with the help of Grafana] |
app-notes:ein-mqtt-server-fuer-iot-telemetry-sensoren [2024/03/21 14:40] (current) gray [2.1 Collect telemetry data with the help of SDK scripts] |
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if(DEBUG) printf("%s\n", MESSAGE); | if(DEBUG) printf("%s\n", MESSAGE); | ||
/* publish the message to mqtt broker Temperature */ | /* publish the message to mqtt broker Temperature */ | ||
- | ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE); | + | ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE);; |
if (ret<0){ | if (ret<0){ | ||
nb_syslog("Failed to publish mqtt message"); | nb_syslog("Failed to publish mqtt message"); | ||
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if(DEBUG) printf("%s\n", MESSAGE4); | if(DEBUG) printf("%s\n", MESSAGE4); | ||
/* publish the message to mqtt broker Sys */ | /* publish the message to mqtt broker Sys */ | ||
- | ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE4); | + | ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE4); |
if (ret<0){ | if (ret<0){ | ||
nb_syslog("Failed to publish mqtt message"); | nb_syslog("Failed to publish mqtt message"); | ||
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From now on you have access to the data that is already in the database and that will be added over time. | From now on you have access to the data that is already in the database and that will be added over time. | ||
- | ---- | ||
==== - The first visualization under Grafana ==== | ==== - The first visualization under Grafana ==== |