Changes for page Dragino NB device connection to AWS platform instructions

Last modified by Mengting Qiu on 2025/03/06 13:42

From version < 23.6 >

edited by Xiaoling
on 2024/05/29 09:44

To version < 24.5 >

edited by Xiaoling
on 2024/05/30 10:22

Change comment: There is no comment for this version

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- image-20240529164339-1.png

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Content

@@ -1,6 +1,16 @@
++**Table of Contents: **
++
  {{toc/}}
++
++
++
++
++
++
++
++
  = 1. Log in to the platform and find IoT core =
@@ -8,6 +8,7 @@
  == 2.1 First click the policy on the left, enter the page and click Create policy ==
++
  [[image:image-20240528172927-2.png||height="377" width="931"]]
@@ -51,15 +51,12 @@
  d. Create this policy
--(% data-sider-select-id="21f75c89-756f-4f95-919d-30cc5cf86298" %)
  = 3. Create a Things =
--(% data-sider-select-id="1a295982-a5d4-4787-896b-ac87e2385b09" %)
  == 3.1 Create a single Things ==
--(% data-sider-select-id="b6a1852f-c446-4c98-a017-595ac62adc60" %)
--~1. Select Create Things
++(% style="color:blue" %)**1. Select Create Things**
  [[image:image-20240528173244-5.png||height="329" width="932"]]
@@ -66,8 +66,7 @@
  [[image:image-20240528173500-6.png||height="484" width="928"]]
--(% data-sider-select-id="de8a3324-fa57-46eb-a85c-49eeea34baa5" %)
--2. Fill in the name of the control item you want to create in the thing name column.
++(% style="color:blue" %)**2. Fill in the name of the control item you want to create in the thing name column**
  Use the default for other parameters
@@ -76,8 +76,7 @@
  [[image:image-20240528173754-7.png||height="712" width="781"]]
--(% data-sider-select-id="fc59dc2d-1ed3-41f5-8482-8534342857a7" %)
--3. Choose to automatically generate a new certificate
++(% style="color:blue" %)**3. Choose to automatically generate a new certificate**
  Then click Next
@@ -84,8 +84,7 @@
  [[image:image-20240528173829-8.png||height="547" width="782"]]
--(% data-sider-select-id="d2fd3708-ecaf-4479-b1eb-b5db28e1adb9" %)
--4.  The next step is to choose a strategy
++(% style="color:blue" %)**4. The next step is to choose a strategy**
  Here you can choose a policy we created in the first step
@@ -92,8 +92,7 @@
  [[image:image-20240528173851-9.png||height="580" width="785"]]
--(% data-sider-select-id="2f8892b2-d89c-416e-a5e6-6f58bd557860" %)
--5. When you click to create things, the certificate download page will pop up.
++(% style="color:blue" %)**5. When you click to create things, the certificate download page will pop up**
  (% data-sider-select-id="398c8d35-75ff-4077-85bb-9e0377efa186" %)
  (% data-sider-select-id="087aa6c7-c542-4afc-9ce6-291538c31764" %)**This certificate is very important.**(%%) After creating the device, you must download the certificate of the device so that our NB device can connect normally.
@@ -103,18 +103,19 @@
  [[image:image-20240528173926-10.png]]
--6. You can see the things you just created in the things
++(% style="color:blue" %)**6. You can see the things you just created in the things**
  [[image:image-20240528173951-11.png||height="381" width="1089"]]
--(% data-sider-select-id="3ba36b16-0696-40e7-88b5-2c533f73589a" %)
--= (% data-sider-select-id="fc07fe98-6fd9-4d61-a991-8524b6097b3a" %)4. Connect to AWS using Dragino-NB device(%%) =
++= 4. Connect to AWS using Dragino-NB device =
--(% data-sider-select-id="582a7e84-a00a-4129-b71d-347a29aa5142" %)
--== 4.1 Upgrade the firmware to configure TTS firmware to set the certificate ==
++(% data-sider-select-id="0bc6b974-b38c-48e7-b228-e220f1938e7f" %)
++== 4.1 F(% data-sider-select-id="293a2a9f-2191-4013-b0d9-8bcfb95a179a" %)or -NB /-NS model(%%) ==
++=== (% data-sider-select-id="293a2a9f-2191-4013-b0d9-8bcfb95a179a" %)4.1.1 Upgrade the firmware to configure TTS firmware to set the certificate(%%) ===
++
  User can change device firmware to::
  * Update with new features.
@@ -121,7 +121,7 @@
  * Fix bugs.
--Firmware and changelog can be downloaded from : **[[Set up TLS certificate - Dropbox>>url:https://www.dropbox.com/sh/sxrgszkac4ips0q/AAA7xVIHen982Nc0edNPaB-Wa/NB-IoT/Set%20up%20TLS%20certificate?dl=0&subfolder_nav_tracking=1||data-sider-select-id="830d1b64-cb24-48b3-91e4-49da5c3f0783"]]**
++Firmware and changelog can be downloaded from : **[[Set up TLS certificate - Dropbox>>https://www.dropbox.com/scl/fo/1ykfsesmr3702tj3kp663/AOOyH1GiVEOGR41gASuiDk0?rlkey=1q7a1b5yvjgt87d16w8tt0cum&st=vdy765ut&dl=0||data-sider-select-id="830d1b64-cb24-48b3-91e4-49da5c3f0783"]]**
  Methods to Update Firmware:
@@ -129,12 +129,9 @@
  * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
++=== (% data-sider-select-id="bb7de328-bb5d-4fe5-a008-7bf36bbf2d64" %)4.1.2 Configure certificate(%%) ===
--(% data-sider-select-id="954c6787-a52d-4862-805c-4afa47abd128" %)
--== 4.2 Configure certificate ==
--
--
  After upgrade the firmware, the serial port displays as follows：
  (% data-sider-select-id="8b6a9e23-dec0-476c-acd4-098aa19fe1f3" %)
@@ -141,8 +141,7 @@
  [[image:image-20240528174330-13.png||height="286" width="568"]]
--(% data-sider-select-id="8b6a9e23-dec0-476c-acd4-098aa19fe1f3" %)
--=== 4.2.1 Configure CA certificate ===
++==== (% data-sider-select-id="4f272daa-a217-4469-8de7-f4905835bbad" %)4.1.2.1  Configure CA certificate(%%) ====
  Please input the certificate in PEM format for the user.
@@ -201,7 +201,7 @@
  Display (% style="color:blue" %)**"Successfully configured CA certificate."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
--=== 4.2.2 Configure client certificate ===
++==== (% data-sider-select-id="0b9009b4-385e-4e1e-91d4-0175c1af339d" %)4.1.2.2 Configure client certificate(%%) ====
  Use the AT command AT+CLICERT as follows：
@@ -253,7 +253,7 @@
  Display (% style="color:blue" %)**"Successfully configured client certificate."**(%%) Configuration successful, otherwise configuration failed.
--=== 4.2.3 Configure client private key ===
++==== (% data-sider-select-id="7c5a8abc-e707-467b-ac02-db0a89098320" %)4.1.2.3 Configure client private key(%%) ====
  Use the AT command AT+CLIKEY, as shown below
@@ -316,27 +316,252 @@
  [[image:image-20240528174702-17.png]]
--Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
++Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
--=== 4.3.3 Re-upgrade the firmware ===
++==== (% data-sider-select-id="9c62fd56-4ff5-48af-8cca-db4565d1f25d" %)4.1.2.4 Re-upgrade the firmware(%%) ====
  After the certificate configuration is completed, Re-upgrade to the firmware you originally used.
--= 5. Configure draginoNB-device =
++(% data-sider-select-id="02f5aceb-0a5d-4922-8c3a-7e6772f46ad4" %)
++== 4.2  For -CB /-CS model ==
++(% class="wikigeneratedid" data-sider-select-id="02f5aceb-0a5d-4922-8c3a-7e6772f46ad4" %)
++=== 4.2.1 Upgrade the firmware to configure TTS firmware to set the certificate ===
++
++
++User can change device firmware to::
++
++* Update with new features.
++
++* Fix bugs.
++
++Firmware and changelog can be downloaded from : **[[Set up TLS certificate - Dropbox>>https://www.dropbox.com/scl/fo/mk9u5ux3cfo94ke0s67ik/ADOIOdwIQfCO2WUZt0MxXyU?rlkey=7o6uaywrebbnsvuj4r0r694x6&st=smrmjj7t&dl=0||data-sider-select-id="830d1b64-cb24-48b3-91e4-49da5c3f0783"]]**
++
++Methods to Update Firmware:
++
++* (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].
++
++* Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
++
++
++
++=== 4.2.2 Configure certificate ===
++
++
++After upgrade the firmware, the serial port displays as follows：
++
++[[image:image-20240528174330-13.png||height="286" width="568"]]
++
++
++==== 4.2.2.1 Configure CA certificate ====
++
++
++Please input the certificate in PEM format for the user.
++
++Use the AT command AT+CACERT as follows:
++
++AT+CACERT=~-~-~-~--BEGIN CERTIFICATE~-~-~-~--
++
++MIIDQTCCAimgAwIBAgITBmyfz5m/jAo54vB4ikPmljZbyjANBgkqhkiG9w0BAQsF
++
++ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6
++
++b24gUm9vdCBDQSAxMB4XDTE1MDUyNjAwMDAwMFoXDTM4MDExNzAwMDAwMFowOTEL
++
++MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv
++
++b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj
++
++ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM
++
++9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw
++
++IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6
++
++VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L
++
++93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm
++
++jgSubJrIqg0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC
++
++AYYwHQYDVR0OBBYEFIQYzIU07LwMlJQuCFmcx7IQTgoIMA0GCSqGSIb3DQEBCwUA
++
++A4IBAQCY8jdaQZChGsV2USggNiMOruYou6r4lK5IpDB/G/wkjUu0yKGX9rbxenDI
++
++U5PMCCjjmCXPI6T53iHTfIUJrU6adTrCC2qJeHZERxhlbI1Bjjt/msv0tadQ1wUs
++
++N+gDS63pYaACbvXy8MWy7Vu33PqUXHeeE6V/Uq2V8viTO96LXFvKWlJbYK8U90vv
++
++o/ufQJVtMVT8QtPHRh8jrdkPSHCa2XV4cdFyQzR1bldZwgJcJmApzyMZFo6IQ6XU
++
++5MsI+yMRQ+hDKXJioaldXgjUkK642M4UwtBV8ob2xJNDd2ZhwLnoQdeXeGADbkpy
++
++rqXRfboQnoZsG4q5WTP468SQvvG5
++
++~-~-~-~--END CERTIFICATE~-~-~-~--}
++
++(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**
++
++[[image:image-20240528174408-14.png]]
++
++
++After successful execution, as shown in the following figure.
++
++[[image:image-20240528174502-15.png]]
++
++Display (% style="color:blue" %)**"Successfully configured CA certificate."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
++
++
++==== 4.2.2.2 Configure client certificate ====
++
++
++Use the AT command AT+CLICERT as follows：
++
++AT+CLICERT=~-~-~-~--BEGIN CERTIFICATE~-~-~-~--
++
++MIIDWTCCAkGgAwIBAgIUYSpJUzfb4NTa76JJxd2th0fZA8swDQYJKoZIhvcNAQEL
++
++BQAwTTFLMEkGA1UECwxCQW1hem9uIFdlYiBTZXJ2aWNlcyBPPUFtYXpvbi5jb20g
++
++SW5jLiBMPVNlYXR0bGUgU1Q9V2FzaGluZ3RvbiBDPVVTMB4XDTI0MDUyNDA4MDI0
++
++NVoXDTQ5MTIzMTIzNTk1OVowHjEcMBoGA1UEAwwTQVdTIElvVCBDZXJ0aWZpY2F0
++
++ZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMTdc1GQLVBohAeCJD6n
++
++6WTFAFrygTch90a5wUr2bhlVuDxvEhEKNcmu5vOCo5agmfLWb2VCxgezgvQOBYQ8
++
++1oTqXJNdl4tS0DICfqb/ogVHWGHRao67XyhbPNBS0j/nCPTIIk6+/NBeYPOjaG+p
++
++utfXE7SGIEcc3RevkYkUJx6y+WH7MLjj1mufuXBVWIL1RrfrIRPw6auVk7dhS5rU
++
++NvYcJa7Qd6gpAh1DzPj7ZECrv7fEIIBDEsSYOy6ToWtzqGIVcIAHBDfORB0Hcm+N
++
++7wG3KDf61P4aWkLlkP5pRUaUIQdVblxginmx2K3n8t/WP7QcfITa191rjEVVBXmk
++
++ROsCAwEAAaNgMF4wHwYDVR0jBBgwFoAUs8Caohh1ZGP8kjSn3rtxJiJJ9IswHQYD
++
++VR0OBBYEFCjwGwqD7FG9UCNm3wjFQX4HixzfMAwGA1UdEwEB/wQCMAAwDgYDVR0P
++
++AQH/BAQDAgeAMA0GCSqGSIb3DQEBCwUAA4IBAQBgqI49a4PBQZYrFM63TX3EHgdd
++
++N6Pj7AytjO+SrKNMCSo/OtIvhDTxOocr1vKrux1Tw5qmrllrIXLtlGtbmln5DS6a
++
++DTCLrjwcIFIabLxpx5DPY1WSMYvL04SW7d4Y+3SxOFNRotDSiomr8eIIac0d3HE2
++
++B5b0SnWZgWbrhjNUgvwo8l8tA9DOGIr2MeQ5kPjudOOiYSR3HC0v+jviBMV6VX8M
++
++LHVH3CRshHDKBGpV1NZ1RAm9EY/oRGtSiMsyjRh6hegC0vehwVxaC4w9qG0ASkzz
++
++42OOGfNqhYnYDiKTEIkazaoAFpTKDejWBaL7W5VpthUkQOl67IyX+ohuUKTo
++
++~-~-~-~--END CERTIFICATE~-~-~-~--}
++
++(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**
++
++[[image:image-20240528174630-16.png||height="553" width="747"]]
++
++Display (% style="color:blue" %)**"Successfully configured client certificate."**(%%) Configuration successful, otherwise configuration failed.
++
++
++==== 4.2.2.3 Configure client private key ====
++
++
++Use the AT command AT+CLIKEY, as shown below
++
++AT+CLIKEY=~-~-~-~--BEGIN RSA PRIVATE KEY~-~-~-~--
++
++MIIEpAIBAAKCAQEAxN1zUZAtUGiEB4IkPqfpZMUAWvKBNyH3RrnBSvZuGVW4PG8S
++
++EQo1ya7m84KjlqCZ8tZvZULGB7OC9A4FhDzWhOpck12Xi1LQMgJ+pv+iBUdYYdFq
++
++jrtfKFs80FLSP+cI9MgiTr780F5g86Nob6m619cTtIYgRxzdF6+RiRQnHrL5Yfsw
++
++uOPWa5+5cFVYgvVGt+shE/Dpq5WTt2FLmtQ29hwlrtB3qCkCHUPM+PtkQKu/t8Qg
++
++gEMSxJg7LpOha3OoYhVwgAcEN85EHQdyb43vAbcoN/rU/hpaQuWQ/mlFRpQhB1Vu
++
++XGCKebHYrefy39Y/tBx8hNrX3WuMRVUFeaRE6wIDAQABAoIBAFhAOcjvjBDGuaEw
++
++CxV3al49HfqnSZuwg0xWSztSm2qKDcwxsnSnEhO2b1vsTW9h0YGV9Vv8gg/Dvkmv
++
++23M7XqM4+IUraJsRZbl1etdcM4KQSCOZoF4Zyv+pXuq4pf31kQNCkHaikWzLUkUG
++
++FPQxr0vA49mCYwfd/ZL3ppM/0IWmxRwloV1Gb9q8iDBUcJGSDokZnT7diUxzzOcd
++
+++UJ6xUhFq1v46Y7vO+73XROLv34JEBC0bIw2ErL6+AbzhHwb2mkuSccG9Ks37g3Z
++
++dyyjjj8hm1wvHWepuWqEssaiS3HD5zAsI0v85xS8RwNj3zLfd8o1WC666n3CO+ij
++
++VdRmR4kCgYEA+/sEFxpfaRomqcLwJebZcZH06U1RfJFfnbH2/Q6fANf8zNxwWs9A
++
++O+jyk/CLhHYRIk6VIOMQmWwEYgJ2eAHfw2Diwj4/0eqkGu+yZOS6KTCewxSV73vc
++
++SvACramJy4y6yEgDN5onwR1XqfVMfA0LzTcSupHR/xvrpf/gCsNFPxUCgYEAyAFd
++
++nMUhJFSq3pOogxA43aJSkA8YuDS3jpBkKQ6vx81APpIMabQauOxFDt488TZGP3Yy
++
++lhpa/lfFIgu2K7CgV4dUp+JtJJoZ/F+ExxUUzdqB4zxzWywAcc3RebfwP6qASwFT
++
++G3mXYci4tgNWR+k5CSsuLXDk/OT5uo5GeGAEc/8CgYEAk6V8uxDP8STKnNRFpN/E
++
++b6CHciDE64m/DgbWY2cq0fK9BUjxaLRhvfj8EqVzCrWnyoNjLHcAJfW+B7PLuPvY
++
++IoJlvE1/Vb/4UnQ7ApVnY3VCwaoRRNc9uIcz+pAJ1sRqOarAf9cLDkPkNwktvM5k
++
++KOXpSnrhIms4w/bPT18l9xUCgYBsAMDKbXEuK0JyGw5+Z/4tQQCQpnZU0rLkm3ha
++
++64FkxaORplBprEZZ4cyQ8NW78/EPSAadI/JLMp5TejuPcDvFyGCgoBcMEuNBc1tC
++
++HlIzr3FAgl5Qt3wt+FTMA9YKq0nINxjn10s2FKwaLccj4f9YwiaXh0VAg22PnlDT
++
++pBYDhQKBgQCMwyKXJ4zYiDRdvLvgKzeuKaU4KNQItHE4KORPfkecjPoENt4bKxDw
++
++2EdNFQLIoqBHL1s+/8+SzhCI31V7pkTs1AqCxDExJS7+8Z5NQFQIo/jooUo0N80E
++
++y3ZZS6OLOXXscEqhMogf1grfbabXM9OkgTIq43cPQHtMGQiFAtIJkg==
++
++~-~-~-~--END RSA PRIVATE KEY~-~-~-~--}
++
++(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**
++
++[[image:image-20240528174702-17.png]]
++
++Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
++
++
++==== 4.2.2.4 For -CB /-CS model Certificate setting error/change certificate ====
++
++
++(% data-sider-select-id="7c5a8abc-e707-467b-ac02-db0a89098320" %)When you set the wrong certificate or you need to re-set another certificate.
++Please use the following three commands：
++
++(% style="color:blue" %)**AT+DELCLIKEY}**
++
++(% style="color:blue" %)**AT+DELCLICERT}**
++
++(% style="color:blue" %)**AT+DELCACERT}**
++
++
++(% style="color:red" %)**Note: 1.When there is no certificate on the device, a deletion error will be displayed.
++          2.When the device already has a certificate, using the command to configure the certificate again will display a configuration error.**
++
++
++= (% data-sider-select-id="6b5deb69-539b-42e1-a7bc-a300eb1fea73" %)5. Configure draginoNB-device(%%) =
++
  == 5.1 Configure the data format sent by the device ==
--AT+PRO=3,5(Data is in Json format of MQTT)
++(% style="color:blue" %)**AT+PRO=3,5**(%%) (Data is in Json format of MQTT)
  == 5.2 Set server address ==
--AT+SERVADDR=an5tk94sdgjat-ats.iot.us-east-1.amazonaws.com,8883
++(% style="color:blue" %)**AT+SERVADDR=an5tk94sdgjat-ats.iot.us-east-1.amazonaws.com,8883**
  == 5.3 Set up private and public topics ==
@@ -344,28 +344,40 @@
  AWS does not limit topics, so you can set any topic
--AT+SUBTOPIC=Any
++(% style="color:blue" %)**AT+SUBTOPIC=Any**
--AT+PUBTOPIC=Any
++(% style="color:blue" %)**AT+PUBTOPIC=Any**
  == 5.4 Set the TLS mode ==
--AT+TLSMOD=1,2
++(% data-sider-select-id="cf7bb573-8375-4479-9801-df8bb7dab3ba" style="color:blue" %)**AT+TLSMOD=1,2**
--To use the TLS mode certificate function, users need to configure the AT+TLSMOD command
++To use the TLS mode certificate function, users need to configure the (% style="color:blue" %)**AT+TLSMOD**(%%) command.
--AT+TLSMOD=1,0  No authentication
++(% style="color:blue" %)**AT+TLSMOD=1,0** (%%)  ~/~/ No authentication
--AT+TLSMOD=1,1  Perform server authentication
++(% style="color:blue" %)**AT+TLSMOD=1,1** (%%)  ~/~/ Perform server authentication
--AT+TLSMOD=1,2  Perform server and client authentication if requested by the remote server.（In AWS we recommend using this mode）
++(% style="color:blue" %)**AT+TLSMOD=1,2** (%%)  ~/~/ Perform server and client authentication if requested by the remote server.(In AWS we recommend using this mode)
--Restart the device
++(% data-sider-select-id="f443b9bc-1195-4fe2-965d-7de84f78747f" %)
++== 5.5 Set the MQOS ==
++(% data-sider-select-id="cf7bb573-8375-4479-9801-df8bb7dab3ba" style="color:blue; font-weight:bold" %)**AT+MQOS**(% data-sider-select-id="cf7bb573-8375-4479-9801-df8bb7dab3ba" style="color:blue" %)**=XX （Depends on your server configuration）**
++
++Please find it in AWS's MQTT test client
++
++[[image:image-20240529164339-1.png||height="480" width="927"]]
++
++
++(% data-sider-select-id="fef22158-6e5e-46e4-b59e-fe457e562376" %)
++== 5.6 Restart the device ==
++
++
  = 6. View data on AWS =
  == 6.1 Find MQTT test client in test ==
@@ -373,7 +373,7 @@
  In the fourth step, fill in the topics you subscribed to before
--AT+PUBTOPIC=XXXX
++(% style="color:blue" %)**AT+PUBTOPIC=XXXX**
  If you forget your previous topic, you can fill in #,subscribe to all topics
@@ -386,5 +386,3 @@
  [[image:image-20240528175133-19.png||height="563" width="1022"]]
  [[image:image-20240528175154-20.png||height="752" width="1042"]]
--
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image-20240529164339-1.png

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	1	+XWiki.Bei

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Changes for page Dragino NB device connection to AWS platform instructions

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