Changes for page ThingsBoard
Last modified by Dilisi S on 2025/04/23 19:23
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... ... @@ -2,244 +2,9 @@ 2 2 3 3 {{toc/}} 4 4 5 -{{warning}} 6 -Draft Document 7 -{{/warning}} 8 8 6 += Introduction = 9 9 8 +This document guides you on integrating Dragino -NB and -CB series devices with ThingsBoard. For this guide, we use ThingsBoard Cloud, which is one of the ThingsBoard versions that allows you to try it for free. 10 10 11 - 12 -= 1. Introduction = 13 - 14 - 15 -This document guides you on integrating Dragino **-NB** and **-CB** series devices data with ThingsBoard. For this guide, we use ThingsBoard Cloud, which is one of the ThingsBoard versions that allows you to try it for free. 16 - 17 -The **NB series** devices end with the suffix **-NB**, and the **CB series** devices end with the suffix **-CB**. For example, **S31B-NB** is an **NB device**, and **S31-CB** is a **CB device**. 18 - 19 - 20 - 21 - 22 - 23 -= 2. Data Converters = 24 - 25 - 26 -In **ThingsBoard**, **Data Converters** are components used to transform incoming or outgoing data between different formats, typically to convert raw telemetry data from devices into a structured format that ThingsBoard can understand, or vice versa. 27 - 28 - 29 -== 2.1 Uplink == 30 - 31 - 32 -In the left navigation, click **Integrations center**, and then click **Data converters**. 33 - 34 - 35 - 36 -[[image:data-converters-list-empty.png]] 37 - 38 - 39 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 40 - 41 - 42 - 43 -[[image:create-new-converter-menu.png||height="259" width="500"]] 44 - 45 - 46 -The **Add data converter** window will appear. Name it ‘**MQTT Uplink Converter NB/CB**’ and select the Type as **Uplink**. 47 - 48 -Click on the **TBEL** button if not selected it by default. Delete the existing decoder function in the code editor. Now copy and paste the following decoder function written in **TBEL (ThingsBoard Expression Language)** in to the **code editor**. This decoder function is compatible for both NB and CB series devices. 49 - 50 -{{code language="JavaScript"}} 51 -/** Decoder **/ 52 - 53 -// decode payload to string 54 -var payloadStr = decodeToString(payload); 55 -var data = JSON.parse(payloadStr); 56 - 57 -var deviceName = metadata.topic.split("/")[3]; 58 -// decode payload to JSON 59 -var deviceType = 'sensor'; 60 - 61 -// Result object with device attributes/telemetry data 62 -var result = { 63 - deviceName: deviceName, 64 - deviceType: deviceType, 65 - attributes: { 66 - integrationName: metadata['integrationName'], 67 - }, 68 - telemetry: { 69 - temperature: data.temperature, 70 - humidity: data.humidity, 71 - } 72 -}; 73 - 74 -/** Helper functions 'decodeToString' and 'decodeToJson' are already built-in **/ 75 - 76 -return result; 77 -{{/code}} 78 - 79 - 80 -Click on the **Add** button. 81 - 82 - 83 - 84 -[[image:add-uplink-data-converter.png||height="529" width="500"]] 85 - 86 - 87 -You should see that the newly added **MQTT Uplink converter **NB/CB is listed on the **Data Converters** page. 88 - 89 - 90 - 91 -[[image:create-new-converter-menu.png||width="500"]] 92 - 93 -== 3.2 Downlink == 94 - 95 - 96 -On the **Data converters** page, click on the ‘**+**’ button, and then click on the **Create new converter** from the dropdown menu. 97 - 98 -[[image:ThingsBoard-new-data-converter.png||height="282" width="500"]] 99 - 100 - 101 -The **Add data converter** window will appear. Name it ‘**MQTT Downlink Converter NB/CB**’ and select the Type as **Downlink**. 102 - 103 -Click on the **TBEL** button if not selected it by default. Now copy and paste the following encoder function written in **TBEL (ThingsBoard Expression Language)** in to the **code editor**. This encoder function is compatible for both NB and CB series devices. 104 - 105 - 106 -{{code language="JavaScript"}} 107 -// Encode downlink data from incoming Rule Engine message 108 - 109 -// msg - JSON message payload downlink message json 110 -// msgType - type of message, for ex. 'ATTRIBUTES_UPDATED', 'POST_TELEMETRY_REQUEST', etc. 111 -// metadata - list of key-value pairs with additional data about the message 112 -// integrationMetadata - list of key-value pairs with additional data defined in Integration executing this converter 113 - 114 -/** Encoder **/ 115 - 116 -var data = {}; 117 - 118 -// Process data from incoming message and metadata 119 - 120 -data.tempFreq = msg.temperatureUploadFrequency; 121 -data.humFreq = msg.humidityUploadFrequency; 122 - 123 -data.devSerialNumber = metadata['ss_serialNumber']; 124 - 125 -// Result object with encoded downlink payload 126 -var result = { 127 - 128 - // downlink data content type: JSON, TEXT or BINARY (base64 format) 129 - contentType: "JSON", 130 - 131 - // downlink data 132 - data: JSON.stringify(data), 133 - 134 - // Optional metadata object presented in key/value format 135 - metadata: { 136 - topic: metadata['deviceType']+'/'+metadata['deviceName']+'/upload' 137 - } 138 - 139 -}; 140 - 141 -return result; 142 -{{/code}} 143 - 144 - 145 -Click on the **Add** button. 146 - 147 - 148 - 149 -[[image:add-downlink-data-converter.png||height="529" width="500"]] 150 - 151 - 152 -You should see that the newly added **MQTT Downlink** Converter NB/CB is listed on the **Data Converters** page. 153 - 154 - 155 - 156 -[[image:data-converters-list.png]] 157 - 158 -= 3. Add Integration = 159 - 160 - 161 -In the left navigation, click **Integrations center**, and then click **Integrations**. 162 - 163 -On the **Integrations** page, click on the '**+**' button. 164 - 165 -[[image:data-converter-list-page.png]] 166 - 167 - 168 -The **Add integration** window appears. 169 - 170 -In the **Add integration** window, configure the following settings: 171 - 172 - 173 -**Basic settings:** 174 - 175 -* **Integration type**: MQTT 176 -* **Name**: MQTT integration NB/CB 177 - 178 -Click **Next** button. 179 - 180 -[[image:add-integration-basic-settings.png||height="511" width="500"]] 181 - 182 - 183 -**Uplink data converter:** 184 - 185 -* Click on the **Select existing** button. 186 -* **Uplink data converter**: Select **MQTT Uplink Converter NB/CB **from the dropdown list. 187 - 188 -Click **Next** button. 189 - 190 -[[image:add-integration-uplink-data-converter.png||width="500"]] 191 - 192 - 193 -**Downlink data converter:** 194 - 195 -* Click on the **Select existing** button. 196 -* **Downlink data converter**: Select **MQTT Downlink Converter NB/CB **from the dropdown list. 197 - 198 -Click **Next** button. 199 - 200 -[[image:add-integration-downlink-data-converter.png||height="510" width="500"]] 201 - 202 - 203 -**Connection:** 204 - 205 -* **Host**: Cluster URL (Eg. 011731f7928541588a6cdfbbedfc63f4.s1.eu.hivemq.cloud) 206 -* **Port**: 8883 207 -* **Credentials**: Basic 208 -* **Enable SSL**: YES 209 -* **Username**: Username (from your HiveMQ Cloud Cluster with your credentials) 210 -* **Password:** Password (from your HiveMQ Cloud Cluster with your credentials) 211 -* **Topic:** tb/mqtt-integration-tutorial/sensors/+/telemetry (the + replaces any 'device name' and creates devices in the Entities -> Devices) 212 -* **QoS:** 0-At most once 213 -* **Clean session:** NO 214 -* **Retained**: NO 215 - 216 -Click on the **Check connection** button to verify the MQTT connection using the provided parameters. 217 - 218 -[[image:add-integration-connection.png||width="500"]] 219 - 220 - 221 -If the connection is successful, you will see the **Connected** message. 222 - 223 -Click on the **Add** button. 224 - 225 -[[image:add-connection-success.png||height="511" width="500"]] 226 - 227 - 228 -You should see that the newly added integration is listed on the **Integrations** page. 229 - 230 -Since we haven't received data from a device yet, the integration **Status** is shown as **Pending.** 231 - 232 -[[image:integrations-list-added-pending.png]] 233 - 234 - 235 -= 5. Verifying the receipt of data from the device = 236 - 237 - 238 -On the terminal, issue the following MQTT command which simulates the device S31B-NB. 239 - 240 -{{code language="none"}} 241 -mosquitto_pub -d -q 1 -h mqtt.eu.thingsboard.cloud -p 1883 -t v1/devices/S31B-NB/telemetry -u "24vk3w9h7sqdld1me5eh" -m "{temperature:20}" 242 -{{/code}} 243 - 244 -If the integration was performed without errors, after the transmission of the first telemetry, a new device with the name “S31B-NB” will appear in the Devices → All. Also, you can verify the input and output data, respectively, before and after conversion in Data converters → UDP Uplink Converter NB/CB → Events. 245 - 10 +
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