Last modified by Xiaoling on 2023/12/27 09:15

From version 191.2
edited by Xiaoling
on 2023/02/13 11:07
Change comment: There is no comment for this version
To version 152.1
edited by Edwin Chen
on 2022/11/24 09:15
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -12,7 +12,6 @@
12 12  
13 13  
14 14  
15 -
16 16  = 1.  Introduction =
17 17  
18 18  == 1.1  What is TrackerD ==
... ... @@ -32,12 +32,15 @@
32 32  (((
33 33  The LoRa wireless technology used in TrackerD allows the user to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional tracking services.
34 34  )))
34 +)))
35 35  
36 36  (((
37 37  TrackerD is equipped with a (% style="color:blue" %)**1000mAh Li-on rechargeable battery**(%%). Each TrackerD has a worldwide unique OTAA keys to join the LoRaWAN network.
38 +
39 +
38 38  )))
39 39  
40 -[[image:image-20230213110119-1.png||height="382" width="834"]]
42 +[[image:1664499921684-770.png||_mstalt="298194"]]
41 41  
42 42  
43 43  (% style="color:red" %)**Note: LoRaWAN server can be a general LoRaWAN server other than TTN.**
... ... @@ -93,8 +93,6 @@
93 93  * LoRa Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
94 94  * Tracking: max: 38mA
95 95  
96 -
97 -
98 98  == 1.3  Features ==
99 99  
100 100  
... ... @@ -113,8 +113,6 @@
113 113  * Tri-color LED, Alarm button
114 114  * Datalog
115 115  
116 -
117 -
118 118  == 1.4  Applications ==
119 119  
120 120  
... ... @@ -121,8 +121,6 @@
121 121  * Logistics and Supply Chain Management
122 122  * Human tracking
123 123  
124 -
125 -
126 126  = 2.  Use TrackerD =
127 127  
128 128  == 2.1 How it works? ==
... ... @@ -137,7 +137,7 @@
137 137  Here is an example for how to join the [[TTNv3 LoRaWAN Network>>url:https://eu1.cloud.thethings.network]]. Below is the network structure, we use LPS8N as LoRaWAN gateway in this example. 
138 138  
139 139  
140 -[[image:image-20230213110214-2.png||height="388" width="847"]]
136 +[[image:1664501652064-326.png||_mstalt="293306"]]
141 141  
142 142  
143 143  
... ... @@ -288,8 +288,6 @@
288 288  |=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)5 Bits|(% style="width:60px" %)1 Bit|(% style="width:20px" %)1 Bit|(% style="width:80px" %)1 Bit
289 289  |=(% style="width: 77px;" %)**Value**|(% style="width:70px" %)Reserve|(% style="width:92px" %)[[PNACKMD>>||anchor="H2.4.4A0UplinkFPORT3D42CHistoryGNSSPositioning"]]|(% style="width:48px" %)[[LON>>||anchor="H3.2.5Disable2FEnableLEDflash"]]|(% style="width:126px" %)[[Transport Mode>>||anchor="H2.9TransportMode"]]
290 290  
291 -
292 -
293 293  === 2.4.2 Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
294 294  
295 295  
... ... @@ -366,9 +366,6 @@
366 366  * 3.40v ~~ 3.69v:  20% ~~ 40%
367 367  * < 3.39v:  0~~20%
368 368  
369 -(% style="display:none" %) (%%)
370 -
371 -
372 372  ==== (% style="color:blue" %)**MOD:**(%%) ====
373 373  
374 374  **Example: ** (0x60>>6) & 0x3f =1
... ... @@ -430,7 +430,7 @@
430 430  === 2.4.4  Uplink FPORT~=4, History GNSS Positioning ===
431 431  
432 432  
433 -Set [[PNACKMD=1>>||anchor="H3.2.11A0AutoSendNone-ACKmessages"]], and TrackerD will wait for ACK for every uplink, when there is no LoRaWAN network, TrackerD will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
424 +Set [[PNACKMD=1>>||anchor="H3.2.10A0A0AutoSendNone-ACKmessages"]], and TrackerD will wait for ACK for every uplink, when there is no LoRaWAN network, TrackerD will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
434 434  
435 435  
436 436  (% style="color:red" %)**Note for this mode:**
... ... @@ -485,9 +485,6 @@
485 485  * (% style="color:#037691" %)**Measured Power: ** (%%) The Measured Power from the strongest iBeacon.
486 486  * (% style="color:#037691" %)**RSSI:  ** (%%) The RSSI from the strongest iBeacon.
487 487  
488 -(% style="display:none" %) (%%)
489 -
490 -
491 491  === 2.4.6  Uplink FPORT~=8, WiFi Positioning with Strongest WiFi SSID(Since firmware 1.4.1) ===
492 492  
493 493  
... ... @@ -510,9 +510,6 @@
510 510  * (% style="color:#037691" %)**SSID:      **(%%)WiFi name.
511 511  * (% style="color:#037691" %)**RSSI:      **(%%)The RSSI from the strongest WiFi.
512 512  
513 -(% style="display:none" %) (%%)
514 -
515 -
516 516  === 2.4.7  Add Payload format in TTN V3 ===
517 517  
518 518  
... ... @@ -561,7 +561,7 @@
561 561  
562 562  total 273 entries,by default,
563 563  
564 -User can set [[PNACKMD=1>>||anchor="H3.2.11A0AutoSendNone-ACKmessages"]], to enable Datalog feature.
549 +User can set [[PNACKMD=1>>||anchor="H3.2.10A0A0AutoSendNone-ACKmessages"]], to enable Datalog feature.
565 565  
566 566  Example use case.
567 567  
... ... @@ -603,11 +603,8 @@
603 603  
604 604  * **[[MTDC>>||anchor="H3.2.3SetTransportModePackettransmissioninterval"]]** defines the Uplink Interval during transportation.
605 605  * **[[TDC>>||anchor="H3.2.1SetTransmitInterval"]]** defines the uplink interval when TrackerD is stactic.
606 -* **[[PT>>||anchor="H3.2.16GetorSetThresholdformotiondetectFF08Sincefirmware1.4.3FF09"]]** defines the threldhold to detect a motion.
591 +* **[[PT>>||anchor="H3.2.1SetTransmitInterval"]]** defines the threldhold to detect a motion.
607 607  
608 -(% style="display:none" %) (%%)
609 -
610 -
611 611  == 2.10 LED Status ==
612 612  
613 613  
... ... @@ -625,9 +625,6 @@
625 625  |(% style="width:157px" %)**Get Downlink**|(% style="width:271px" %)(% style="color:green" %)**GREEN**(%%) led on 1 second|(% style="width:202px" %)Yes
626 626  |(% style="width:157px" %)**Movement Detect**|(% style="width:271px" %)(% style="color:red" %)**RED **(%%)led on 500ms|(% style="width:202px" %)N/A
627 627  
628 -(% style="display:none" %) (%%)
629 -
630 -
631 631  == 2.11 Button Function ==
632 632  
633 633  
... ... @@ -640,9 +640,8 @@
640 640  
641 641  (% style="color:red" %)**RED button:**
642 642  
643 -[[image:image-20230213110506-3.png]](% style="display:none" %)
622 +[[image:1664502854406-763.png||_mstalt="295568"]]
644 644  
645 -(% style="display:none" %) (%%)
646 646  
647 647  (% border="1" style="background-color:#ffffcc; width:510px" %)
648 648  |=(% style="width: 100px;" %)**Function**|=(% style="width: 205px;" %)**Action**|=(% style="width: 205px;" %)**Description**
... ... @@ -650,9 +650,6 @@
650 650  |(% style="width:135px" %)Exit Alarm Mode|(% style="width:220px" %)Fast press the (% style="color:red" %)**RED** (%%)button 10 times|(% style="width:265px" %)Exit Alarm Mode
651 651  |(% style="width:135px" %)Enter Deep Sleep Mode|(% style="width:220px" %)Press and hold the button for 10 seconds, then quickly press the device 3 times to enter deep sleep|(% style="width:265px" %)This is the mode ship out from factory. CPU will be complete in sleep mode and no LoRa activity, only use before deploy.
652 652  
653 -(% style="display:none" %) (%%)
654 -
655 -
656 656  == 2.12 USB Port Function ==
657 657  
658 658  
... ... @@ -663,9 +663,6 @@
663 663  * [[Configure Device>>||anchor="H3.ConfigureTrackerDviaATcommandorLoRaWANdownlink"]]
664 664  * [[Upgrade Firmware>>||anchor="H5.UploadFirmware"]]
665 665  
666 -(% style="display:none" %) (%%)
667 -
668 -
669 669  = 3. Configure TrackerD via AT command or LoRaWAN downlink =
670 670  
671 671  
... ... @@ -694,8 +694,8 @@
694 694  
695 695  [[image:1664503047675-651.png||_mstalt="295386"]]
696 696  
697 -(% style="display:none" %) (%%)
698 698  
670 +
699 699  == 3.2 Command Set ==
700 700  
701 701  === 3.2.1 Set Transmit Interval ===
... ... @@ -761,7 +761,7 @@
761 761  (% style="color:#037691" %)**0x02 01**    (%%) ~/~/  Exit Alarm Mode
762 762  
763 763  
764 -=== 3.2.5 Disable/Enable LED flash and buzzer ===
736 +=== 3.2.5 Disable/Enable LED flash ===
765 765  
766 766  
767 767  Disable/Enable LED for position, downlink and uplink
... ... @@ -885,8 +885,8 @@
885 885  (% style="color:#037691" %)**0xAD 00 46**    (%%) ~/~/  Set AT+PDOP=7  (0x46 / 10 =7)
886 886  
887 887  
888 -=== 3.2.10 Disable/Enable the confirmation mode ===
889 889  
861 +=== 3.2.10 Disable/Enable the confirmation mode ===
890 890  
891 891  * (% style="color:blue" %)**AT Command:**
892 892  
... ... @@ -969,11 +969,11 @@
969 969  
970 970  (% style="color:blue" %)**AT Command:**
971 971  
972 -(% style="color:#037691" %)**AT+SHOWID=XX         **(%%) ~/~/  (Disable (0), Enable (1), default:0)
944 +(% style="color:#037691" %)**AT+SHOWID=XX         **(%%) ~/~/(Disable (0), Enable (1), default:0)
973 973  \\Example: AT+SHOWID=1 ~-~-> Enable Information printing.
974 974  
975 975  
976 -=== 3.2.15  Get or Set Eight Channels Mode, only for us915, AU915(Since firmware 1.4.1) ===
948 +=== 3.2.15 Get or Set Eight Channels Mode, only for us915, AU915(Since firmware 1.4.1) ===
977 977  
978 978  
979 979  The Channels Mode in the LORAWAN LMIC library is from 0 ~~ 7. When CHE = 8, 72 channels will be accessible to the network.
... ... @@ -980,17 +980,16 @@
980 980  
981 981  (% style="color:blue" %)**AT Command:**
982 982  
983 -(% style="color:#037691" %)**AT+CHE=1      **(%%) ~/~/ set one channels mode
955 +(% style="color:#037691" %)**AT+CHE=1**(%%) ~/~/ set one channels mode
984 984  
985 985  
986 986  (% style="color:blue" %)**Downlink Payload:0X24**
987 987  
988 -Example: 0x24 01  ~/~/ Same as AT+CHE=1
960 +Example: 0x24 01 ~/~/ Same as AT+CHE=1
989 989  
990 990  
991 -=== 3.2.16  Get or Set Threshold for motion detect(Since firmware 1.4.3) ===
963 +=== 3.2.16 Get or Set Threshold for motion detect(Since firmware 1.4.3) ===
992 992  
993 -
994 994  User can set the motion detect thredhold for transportation mode. The smaller the value, the more sensitivity to trigger a motion event.
995 995  
996 996  (% style="color:blue" %)**AT Command:**
... ... @@ -1001,7 +1001,7 @@
1001 1001  
1002 1002   AT+PT=14    ~-~->    Set to detect car motion.
1003 1003  
1004 - AT+PT=41  ~-~->    set to detect walk motion.
975 + AT+PT=41   ~-~->    set to detect walk motion.
1005 1005  
1006 1006  
1007 1007  (% style="color:blue" %)**Downlink Payload:0xB4**(%%)
... ... @@ -1008,6 +1008,7 @@
1008 1008  0xB4 14          ~/~/  Same as AT+PT=14
1009 1009  
1010 1010  
982 +
1011 1011  = 4. Setting for Different Scenarios =
1012 1012  
1013 1013  
... ... @@ -1059,15 +1059,16 @@
1059 1059  US915.bin @ 0x10000(Select the bin file of the frequency band you need)
1060 1060  
1061 1061  
1062 -[[image:image-20221207120501-1.png]]
1034 +[[image:image-20221118105220-2.png||_mstalt="426608"]]
1063 1063  
1064 1064  
1065 1065  
1066 1066  After upgrade finish, it will show finish as below:
1067 1067  
1068 -[[image:image-20221207133911-7.png]]
1040 +[[image:image-20221118105402-4.png||_mstalt="427986"]]
1069 1069  
1070 1070  
1043 +
1071 1071  = 6. Developer Guide =
1072 1072  
1073 1073  == 6.1 Compile Source Code ==
... ... @@ -1089,69 +1089,13 @@
1089 1089  [[image:1664503715811-892.png||_mstalt="295698"]]
1090 1090  
1091 1091  
1092 -=== 6.1.2  Build the development environment ===
1093 -
1094 -
1095 -**~1. Download and install arduino IDE**
1096 -
1097 -[[https:~~/~~/www.arduino.cn/thread-5838-1-1.html>>url:https://links.jianshu.com/go?to=https%3A%2F%2Fwww.arduino.cn%2Fthread-5838-1-1.html]]
1098 -
1099 -
1100 -**2. Download the ESP32 development package in the arduino IDE**
1101 -
1102 -[[image:image-20221213100007-1.png]]
1103 -
1104 -
1105 -Input: [[https:~~/~~/dl.espressif.com/dl/package_esp32_index.json>>https://dl.espressif.com/dl/package_esp32_index.json]]
1106 -
1107 -[[image:image-20221213100626-2.png]]
1108 -
1109 -
1110 -Restart the IDE after the addition is complete, then:
1111 -
1112 -[[image:image-20221213100808-3.png||height="679" width="649"]]
1113 -
1114 -
1115 -[[image:image-20221213101040-4.png]]
1116 -
1117 -
1118 -(% style="color:red" %)**Note: Currently version 1.04 is almost impossible to download, you can choose version 1.03.
1119 -Don't quit halfway.~~! If you quit halfway, there is a high probability that it will freeze, and you will need to download again next time. (If you click to continue downloading, an error will be reported after completion)**
1120 -
1121 -Then enter a long waiting process. If you don't want to wait, you can go to the Internet to download directly, and then import:
1122 -
1123 -(% style="color:blue" %)**Methods as below:**
1124 -
1125 -~1. Download: [[https:~~/~~/github.com/dragino/TrackerD/releases/tag/v1.4.4>>https://github.com/dragino/TrackerD/releases/tag/v1.4.4]]
1126 -
1127 -2. Find the arduino installation path, hardware → create a new espressif folder → create a new esp32 folder, unzip the compressed package here.
1128 -
1129 1129  (% id="cke_bm_4554S" style="display:none" %) (%%)Find the path of SP32 installation, find the file as shown in Figure 1, and change the SPI pin to the shown in Figure 2.
1130 1130  
1131 -[[image:image-20221213102311-5.png||height="582" width="711"]]
1132 -
1133 -
1134 -**3. Find tools→get.exe in the decompressed file and run it (it will close automatically after completion)**
1135 -
1136 -[[image:image-20221213102334-6.png]]
1137 -
1138 -(% style="color:red" %)**Note: This step requires a python environment**
1139 -
1140 -
1141 -Either way, in the end:
1142 -
1143 -The final effect is to open the arduino and you can see the esp32
1144 -
1145 -[[image:image-20221213110952-8.png||height="866" width="711"]]
1146 -
1147 -
1148 -
1149 1149  [[image:image-20221024105643-1.png||_mstalt="428129"]]
1150 1150  
1151 1151  **~ Figure1**
1152 1152  
1153 1153  
1154 -
1155 1155  [[image:image-20221024105643-2.png||_mstalt="428493"]]
1156 1156  
1157 1157   **Figure2**
... ... @@ -1211,9 +1211,6 @@
1211 1211  |(% style="width:118px" %)A8|(% style="width:67px" %)Yellow|(% style="width:123px" %)MTMS/GPIO14
1212 1212  |(% style="width:118px" %)B8|(% style="width:67px" %)Grey|(% style="width:123px" %)MTDO/GPIO15
1213 1213  
1214 -(% style="display:none" %) (%%)
1215 -
1216 -
1217 1217  == 7.3 Notes on using different serial port tools for TrackerD ==
1218 1218  
1219 1219  === 7.3.1  Serial port utility ===
... ... @@ -1296,12 +1296,6 @@
1296 1296  [[image:image-20221116111844-5.png||_mstalt="430144" height="551" width="708"]]
1297 1297  
1298 1298  
1299 -== 7.5 Are there example python example for BLE Indoor Positioning? ==
1300 -
1301 -
1302 -[[Operating instructions for BLE indoor positioning>>doc:.Example of BLE indoor positioning python.WebHome]]
1303 -
1304 -
1305 1305  = 8  Trouble Shooting =
1306 1306  
1307 1307  == 8.1  TDC is changed to 4294947296 and cause no uplink. ==
... ... @@ -1308,7 +1308,7 @@
1308 1308  
1309 1309  
1310 1310  (((
1311 -Before firmware v1.4.0: When the Transport Mode is enabled ((% style="color:blue" %)**AT+INTWK=1**(%%)), the **TDC** needs to be greater than **MTDC**, otherwise, TDC setting will because 4294947296 after wakre up from motion. This bug is fixed in firmware v1.4.1
1219 +Before firmware v1.4.0: When the Transport Mode is enabled (**AT+INTWK=1**), the **TDC** needs to be greater than **MTDC**, otherwise, TDC setting will because 4294947296 after wakre up from motion. This bug is fixed in firmware v1.4.1
1312 1312  )))
1313 1313  
1314 1314  
... ... @@ -1322,65 +1322,54 @@
1322 1322  
1323 1323  == 8.3  Problem after Upgrading Firmware ==
1324 1324  
1325 -=== 8.3.1 "rst: (0x3 SW_RESET)" and Continue Restart after upgrading ===
1233 +=== 8.3.1 Continue Restart after upgrading ===
1326 1326  
1327 1327  
1328 -**Error Output**
1329 -
1330 -
1331 -[[image:image-20221122100004-4.png||_mstalt="424606"]]
1332 -
1333 -
1334 1334  (((
1335 -Some partition is missed during upgrade, please upgrade below four files as example:
1336 -
1337 -[[image:image-20221207120524-2.png]]
1237 +If it is V1.4.0 and the previous version, new partitions need to be loaded when upgrading. The new version of the software is stored in the partition package. The upgrade method is shown in the figure
1338 1338  )))
1339 1339  
1340 1340  
1341 -=== 8.3.2 TrackerD's led light is always GREEN on after upgrading ===
1241 +[[image:image-20221118105249-3.png||_mstalt="430664"]]
1342 1342  
1343 1343  
1344 -It is because the partitions are different when upgrading versions above 1.4.1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1
1244 +=== 8.3.2 TrackerD's led light is always GREEN on after upgrading ===
1345 1345  
1346 1346  
1347 -=== 8.3.3 "flash read err" after upgrade firmware ===
1247 +It is because the partitions are different when upgrading versions above 1.4.1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1
1348 1348  
1349 1349  
1250 +=== 8.3.3 "flash read err" after upgrade firmware ===
1251 +
1350 1350  Error shows below, user might erase the entire flash include u-boot partition which cause this issue.
1351 1351  
1352 -
1353 1353  [[image:image-20221122100004-1.png||_mstalt="423514" height="497" width="534"]]
1354 1354  
1355 1355  
1356 1356  User need to upgrade again with below four files to solve this issue.
1357 1357  
1358 - [[image:image-20221207120530-3.png]]
1259 + [[image:image-20221122100004-2.png||_mstalt="423878" height="619" width="389"]]
1359 1359  
1360 1360   **Figure 2**
1361 1361  
1362 1362  
1363 -=== 8.3. "Device Key become ff ff ff ff ff ff ff ff " after upgrade firmware ===
1264 +=== 8.3.3 "Device Key become ff ff ff ff ff ff ff ff " after upgrade firmware ===
1364 1364  
1365 -
1366 1366  User might erase the entire flash include keys and default settings which cause this issue.
1367 1367  
1368 -After the upgrade is completed, enter **AT+CFG** as shown in the figure below.
1268 +After the upgrade is completed, enter AT+CFG as shown in the figure below.
1369 1369  
1370 -
1371 1371  [[image:image-20221122100004-3.png||_mstalt="424242"]]
1372 1372  
1272 +Please **AT+FDR** which will reset all settings to factory settings. , and then input the following keys by the information on the label.
1373 1373  
1374 -Please (% style="color:blue" %)**AT+FDR**(%%) which will reset all settings to factory settings. , and then input the following keys by the information on the label.
1375 -
1376 1376  After AT+FDR. please set
1377 1377  
1378 -* (% _mstmutation="1" style="color:blue" %)**AT+PDOP=7**
1276 +* AT+PDOP=7
1277 +* AT+FTIME=180000
1379 1379  
1380 -* (% _mstmutation="1" style="color:blue" %)**AT+FTIME=180000**
1279 +Example:
1381 1381  
1382 -**Example:**
1383 -
1384 1384  AT+PDOP=7.00
1385 1385  
1386 1386  AT+FTIME=180
... ... @@ -1398,6 +1398,13 @@
1398 1398  AT+APPSKEY=dacce2299ecd97a73ee3f80b5a46a559   ( no need for OTAA)
1399 1399  
1400 1400  
1298 +
1299 +=== 8.3.4  If there is a situation in Figure 1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1 ===
1300 +
1301 +
1302 +[[image:image-20221122100004-4.png||_mstalt="424606"]]
1303 +
1304 +
1401 1401  == 8.4  When positioning, it will restart or the PDOP setting is unsuccessful ==
1402 1402  
1403 1403  
... ... @@ -1420,52 +1420,6 @@
1420 1420  Please refer to this [[link>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/TrackerD/#H3.2.9SetPDOPvalueforGPSfixaccuracy]] on how to set up PDOP
1421 1421  
1422 1422  
1423 -== 8.6  When upgrading the firmware, the data is not completely erased, and the information does not return to normal after multiple resets ==
1424 -
1425 -
1426 -When upgrading, use the erase button to upgrade
1427 -
1428 -[[image:image-20221207120536-4.png]]
1429 -
1430 -
1431 -The parameters are displayed abnormally and cannot be fixed using AT+FDR
1432 -
1433 -[[image:image-20221128103040-2.png||height="431" width="525"]]
1434 -
1435 -
1436 -Please upgrade these four files,link(The boot_app0 file is in the version folder you need)
1437 -
1438 -[[image:image-20221207134028-8.png]]
1439 -
1440 -
1441 -Reboot information after upgrade
1442 -
1443 -[[image:image-20221128111443-4.png||height="432" width="546"]]
1444 -
1445 -
1446 -Use **AT+FDR** command to reset and then use **AT+CFG** to check whether the configuration is back to normal
1447 -
1448 -[[image:image-20221128111850-5.png]]
1449 -
1450 -
1451 -After the parameters return to normal, upgrade to the version you need again
1452 -
1453 -[[image:image-20221207120601-5.png]]
1454 -
1455 -
1456 -At this point, the parameters return to normal after running AT+FDR again
1457 -
1458 -[[image:image-20221128112035-7.png]]
1459 -
1460 -
1461 -== 8.7  If you encounter the following problems, please upgrade to the latest version ==
1462 -
1463 -
1464 -~1. Press and hold the red button (more than 5 seconds), and the device and server do not respond.
1465 -
1466 -2. Send some commands through the serial port to prompt an error (Example:AT+SMOD=1,0,1)
1467 -
1468 -
1469 1469  = 9.  Order Info =
1470 1470  
1471 1471  
... ... @@ -1487,9 +1487,6 @@
1487 1487  
1488 1488  * (% style="color:red" %)**US915**(%%): Default frequency band US915
1489 1489  
1490 -(% style="display:none" %) (%%)
1491 -
1492 -
1493 1493  = 10.  Packing Info =
1494 1494  
1495 1495  
... ... @@ -1505,9 +1505,6 @@
1505 1505  
1506 1506  * Weight: 50g
1507 1507  
1508 -(% style="display:none" %) (%%)
1509 -
1510 -
1511 1511  = 11. Support =
1512 1512  
1513 1513  
... ... @@ -1515,9 +1515,6 @@
1515 1515  
1516 1516  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1517 1517  
1518 -(% style="display:none" %) (%%)
1519 -
1520 -
1521 1521  = 12.  Reference =
1522 1522  
1523 1523  
... ... @@ -1526,8 +1526,3 @@
1526 1526  * **[[Source Code>>https://github.com/dragino/TrackerD]] **
1527 1527  
1528 1528  * [[**Hardware Source**>>https://www.dropbox.com/sh/orwoy6cecb89m4e/AAD37sRuUrvKsHgAJxuVTkB5a?dl=0]]
1529 -
1530 -
1531 -
1532 -
1533 -)))
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