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Alexander 2024-07-03 23:57:17 -04:00
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ESP32_Temperture-Node/README.md
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@ -49,9 +49,16 @@ persistence_location /srv/dev-disk-by-label/docker/columes/mosquitto/data/
## ESP32 MQTT Client
<p>The two lines of code shown below are most crucial as they are responsible for connecting ESP32 to the MQTT broker.</p>
<p>The two lines of code shown below are the most crucial as they are responsible for connecting ESP32 to the MQTT broker.</p>
> [!NOTE]
> A set of SSL certificates and key used by ESP32 MQTT client must correspond to ones used by MQTT brocker. Otherwise, secure connection won't be established.
```C
espClientSSL.setCACert(NODE_CERT_CA);
connection.setServer(mqtt_server, 8883);
```
```
<p><i>secrets.h</i></p>
> [!NOTE]
> Create file called secrets.h to store configuration information about Wi-Fi, and encryption keys, but exclude it from being pushed to GitHub