Last modified by Mengting Qiu on 2025/06/04 18:42

From version 77.82
edited by Xiaoling
on 2022/06/10 09:26
Change comment: There is no comment for this version
To version 75.15
edited by Xiaoling
on 2022/06/01 17:41
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,9 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
... ... @@ -51,8 +51,6 @@
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
54 -
55 -
56 56  **Hardware System:**
57 57  )))
58 58  
... ... @@ -172,6 +172,8 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
170 +
171 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,8 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
181 +
182 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,8 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
196 +
197 +
197 197  = 2. Power ON Device =
198 198  
199 199  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -205,7 +205,6 @@
205 205  [[image:1653297104069-180.png]]
206 206  
207 207  
208 -
209 209  = 3. Operation Mode =
210 210  
211 211  == 3.1 How it works? ==
... ... @@ -220,8 +220,6 @@
220 220  
221 221  )))
222 222  
223 -
224 -
225 225  == 3.2 Example to join LoRaWAN network ==
226 226  
227 227  (((
... ... @@ -263,7 +263,6 @@
263 263  [[image:1653298044601-602.png||height="405" width="709"]]
264 264  
265 265  
266 -
267 267  == 3.3 Uplink Payload ==
268 268  
269 269  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -275,6 +275,8 @@
275 275  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
276 276  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
277 277  
275 +
276 +
278 278  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
279 279  
280 280  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -325,6 +325,8 @@
325 325  ** DO1 is high in case there is load between DO1 and V+.
326 326  ** DO1 LED is off in both case
327 327  
327 +
328 +
328 328  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
329 329  
330 330  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -418,7 +418,6 @@
418 418  )))
419 419  
420 420  
421 -
422 422  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
423 423  
424 424  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -463,11 +463,8 @@
463 463  
464 464  )))
465 465  
466 -
467 -
468 468  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
469 469  
470 -
471 471  **LT22222-L**: This mode the DI1 is used as a counting pin.
472 472  
473 473  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
... ... @@ -474,7 +474,6 @@
474 474  
475 475  [[image:image-20220523181903-8.png]]
476 476  
477 -
478 478  (((
479 479  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
480 480  )))
... ... @@ -490,8 +490,6 @@
490 490  )))
491 491  
492 492  (((
493 -
494 -
495 495  **To use this mode, please run:**
496 496  )))
497 497  
... ... @@ -518,8 +518,6 @@
518 518  )))
519 519  
520 520  (((
521 -
522 -
523 523  **Plus below command for AVI1 Counting:**
524 524  )))
525 525  
... ... @@ -552,17 +552,13 @@
552 552  )))
553 553  
554 554  
555 -
556 556  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557 557  
558 -
559 559  **LT22222-L**: This mode the DI1 is used as a counting pin.
560 560  
561 561  [[image:image-20220523182334-9.png]]
562 562  
563 563  (((
564 -
565 -
566 566  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
567 567  )))
568 568  
... ... @@ -577,8 +577,6 @@
577 577  )))
578 578  
579 579  (((
580 -
581 -
582 582  **To use this mode, please run:**
583 583  )))
584 584  
... ... @@ -598,10 +598,10 @@
598 598  
599 599  (((
600 600  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
587 +
588 +
601 601  )))
602 602  
603 -
604 -
605 605  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
606 606  
607 607  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -611,13 +611,11 @@
611 611  * **AT+MOD=1 ** **~-~->** The normal working mode
612 612  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
613 613  
614 -
615 615  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
616 616  
617 617  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
618 618  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
619 619  
620 -
621 621  **AT Command to set Trigger Condition**:
622 622  
623 623  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -669,17 +669,14 @@
669 669  
670 670   Yy4 yy4: AC2 or AV2 high limit.
671 671  
672 -
673 673  **Example1**: AA 00 13 88 00 00 00 00 00 00
674 674  
675 675  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
676 676  
677 -
678 678  **Example2**: AA 02 01 00
679 679  
680 680  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
681 681  
682 -
683 683  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
684 684  
685 685  MOD6 Payload : total 11 bytes payload
... ... @@ -686,7 +686,6 @@
686 686  
687 687  [[image:image-20220524085923-1.png]]
688 688  
689 -
690 690  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
691 691  
692 692  [[image:image-20220524090106-2.png]]
... ... @@ -693,7 +693,6 @@
693 693  
694 694  * Each bits shows if the corresponding trigger has been configured.
695 695  
696 -
697 697  **Example:**
698 698  
699 699  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -705,7 +705,6 @@
705 705  
706 706  * Each bits shows which status has been trigger on this uplink.
707 707  
708 -
709 709  **Example:**
710 710  
711 711  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -717,7 +717,6 @@
717 717  
718 718  * Each bits shows which status has been trigger on this uplink.
719 719  
720 -
721 721  **Example:**
722 722  
723 723  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -734,7 +734,6 @@
734 734  When device got this command, it will send the MOD6 payload.
735 735  
736 736  
737 -
738 738  === 3.3.7 Payload Decoder ===
739 739  
740 740  (((
... ... @@ -743,8 +743,6 @@
743 743  
744 744  )))
745 745  
746 -
747 -
748 748  == 3.4 ​Configure LT via AT or Downlink ==
749 749  
750 750  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -757,14 +757,11 @@
757 757  
758 758  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
759 759  
760 -
761 -
762 762  === 3.4.1 Common Commands ===
763 763  
764 764  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
765 765  
766 766  
767 -
768 768  === 3.4.2 Sensor related commands ===
769 769  
770 770  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -780,7 +780,6 @@
780 780  
781 781  **Example: **AT+TDC=30000. Means set interval to 30 seconds
782 782  
783 -
784 784  * Downlink Payload (prefix 0x01):
785 785  
786 786  (% class="box infomessage" %)
... ... @@ -789,7 +789,6 @@
789 789  )))
790 790  
791 791  
792 -
793 793  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
794 794  
795 795  Set work mode.
... ... @@ -803,7 +803,6 @@
803 803  
804 804  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
805 805  
806 -
807 807  * Downlink Payload (prefix 0x0A):
808 808  
809 809  (% class="box infomessage" %)
... ... @@ -812,7 +812,6 @@
812 812  )))
813 813  
814 814  
815 -
816 816  ==== 3.4.2.3 Poll an uplink ====
817 817  
818 818  * AT Command:
... ... @@ -819,7 +819,6 @@
819 819  
820 820  There is no AT Command to poll uplink
821 821  
822 -
823 823  * Downlink Payload (prefix 0x08):
824 824  
825 825  (% class="box infomessage" %)
... ... @@ -830,7 +830,6 @@
830 830  **Example**: 0x08FF, ask device to send an Uplink
831 831  
832 832  
833 -
834 834  ==== 3.4.2.4 Enable Trigger Mode ====
835 835  
836 836  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -846,7 +846,6 @@
846 846  
847 847  0: Disable Trigger Mode
848 848  
849 -
850 850  * Downlink Payload (prefix 0x0A 06):
851 851  
852 852  (% class="box infomessage" %)
... ... @@ -855,7 +855,6 @@
855 855  )))
856 856  
857 857  
858 -
859 859  ==== 3.4.2.5 Poll trigger settings ====
860 860  
861 861  Poll trigger settings,
... ... @@ -864,7 +864,6 @@
864 864  
865 865  There is no AT Command for this feature.
866 866  
867 -
868 868  * Downlink Payload (prefix 0x AB 06):
869 869  
870 870  (% class="box infomessage" %)
... ... @@ -873,7 +873,6 @@
873 873  )))
874 874  
875 875  
876 -
877 877  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
878 878  
879 879  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -885,7 +885,6 @@
885 885  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
886 886  )))
887 887  
888 -
889 889  **Example:**
890 890  
891 891  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -898,7 +898,6 @@
898 898  )))
899 899  
900 900  
901 -
902 902  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
903 903  
904 904  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -914,12 +914,10 @@
914 914  
915 915  b : delay timing.
916 916  
917 -
918 918  **Example:**
919 919  
920 920  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
921 921  
922 -
923 923  * Downlink Payload (prefix 0x09 01 ):
924 924  
925 925  (% class="box infomessage" %)
... ... @@ -928,7 +928,6 @@
928 928  )))
929 929  
930 930  
931 -
932 932  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
933 933  
934 934  Set DI2 trigger.
... ... @@ -944,12 +944,10 @@
944 944  
945 945  b : delay timing.
946 946  
947 -
948 948  **Example:**
949 949  
950 950  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
951 951  
952 -
953 953  * Downlink Payload (prefix 0x09 02 ):
954 954  
955 955  (% class="box infomessage" %)
... ... @@ -958,7 +958,6 @@
958 958  )))
959 959  
960 960  
961 -
962 962  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
963 963  
964 964  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -970,7 +970,6 @@
970 970  **AT+ACLIM. **
971 971  )))
972 972  
973 -
974 974  * Downlink Payload (prefix 0xAA 01 ):
975 975  
976 976  (% class="box infomessage" %)
... ... @@ -979,7 +979,6 @@
979 979  )))
980 980  
981 981  
982 -
983 983  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
984 984  
985 985  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -991,7 +991,6 @@
991 991  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
992 992  )))
993 993  
994 -
995 995  * Downlink Payload (prefix 0xAA 00 ):
996 996  
997 997  (% class="box infomessage" %)
... ... @@ -1000,7 +1000,6 @@
1000 1000  )))
1001 1001  
1002 1002  
1003 -
1004 1004  ==== 3.4.2.11 Trigger – Set minimum interval ====
1005 1005  
1006 1006  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1012,7 +1012,6 @@
1012 1012  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1013 1013  )))
1014 1014  
1015 -
1016 1016  * Downlink Payload (prefix 0xAC ):
1017 1017  
1018 1018  (% class="box infomessage" %)
... ... @@ -1021,7 +1021,6 @@
1021 1021  )))
1022 1022  
1023 1023  
1024 -
1025 1025  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1026 1026  
1027 1027  * AT Command:
... ... @@ -1028,7 +1028,6 @@
1028 1028  
1029 1029  There is no AT Command to control Digital Output
1030 1030  
1031 -
1032 1032  * Downlink Payload (prefix 0x02):
1033 1033  
1034 1034  (% class="box infomessage" %)
... ... @@ -1055,7 +1055,6 @@
1055 1055  )))
1056 1056  
1057 1057  
1058 -
1059 1059  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1060 1060  
1061 1061  * AT Command:
... ... @@ -1062,7 +1062,6 @@
1062 1062  
1063 1063  There is no AT Command to control Digital Output
1064 1064  
1065 -
1066 1066  * Downlink Payload (prefix 0xA9):
1067 1067  
1068 1068  (% class="box infomessage" %)
... ... @@ -1082,22 +1082,18 @@
1082 1082  
1083 1083  00: DO pins will change to an inverter state after timeout 
1084 1084  
1085 -
1086 1086  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1087 1087  
1088 1088  [[image:image-20220524093238-6.png]]
1089 1089  
1090 -
1091 1091  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1092 1092  
1093 1093  [[image:image-20220524093328-7.png]]
1094 1094  
1095 -
1096 1096  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1097 1097  
1098 1098  [[image:image-20220524093351-8.png]]
1099 1099  
1100 -
1101 1101  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1102 1102  
1103 1103   Latching time. Unit: ms
... ... @@ -1104,7 +1104,6 @@
1104 1104  
1105 1105  Device will upload a packet if downlink code executes successfully.
1106 1106  
1107 -
1108 1108  **Example payload:**
1109 1109  
1110 1110  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1124,14 +1124,12 @@
1124 1124  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1125 1125  
1126 1126  
1066 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1127 1127  
1128 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1129 -
1130 1130  * AT Command:
1131 1131  
1132 1132  There is no AT Command to control Relay Output
1133 1133  
1134 -
1135 1135  * Downlink Payload (prefix 0x03):
1136 1136  
1137 1137  (% class="box infomessage" %)
... ... @@ -1154,7 +1154,6 @@
1154 1154  Device will upload a packet if downlink code executes successfully.
1155 1155  
1156 1156  
1157 -
1158 1158  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1159 1159  
1160 1160  * AT Command:
... ... @@ -1161,7 +1161,6 @@
1161 1161  
1162 1162  There is no AT Command to control Relay Output
1163 1163  
1164 -
1165 1165  * Downlink Payload (prefix 0x05):
1166 1166  
1167 1167  (% class="box infomessage" %)
... ... @@ -1179,17 +1179,14 @@
1179 1179  
1180 1180  00: Relays will change to an inverter state after timeout
1181 1181  
1182 -
1183 1183  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1184 1184  
1185 1185  [[image:image-20220524093831-10.png]]
1186 1186  
1187 -
1188 1188  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1189 1189  
1190 1190  Device will upload a packet if downlink code executes successfully.
1191 1191  
1192 -
1193 1193  **Example payload:**
1194 1194  
1195 1195  **~1. 05 01 11 07 D0**
... ... @@ -1209,7 +1209,6 @@
1209 1209  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1210 1210  
1211 1211  
1212 -
1213 1213  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1214 1214  
1215 1215  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1218,10 +1218,9 @@
1218 1218  
1219 1219  (% class="box infomessage" %)
1220 1220  (((
1221 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1152 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1222 1222  )))
1223 1223  
1224 -
1225 1225  * Downlink Payload (prefix 0xA5):
1226 1226  
1227 1227  (% class="box infomessage" %)
... ... @@ -1230,7 +1230,6 @@
1230 1230  )))
1231 1231  
1232 1232  
1233 -
1234 1234  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1235 1235  
1236 1236  * AT Command:
... ... @@ -1248,7 +1248,6 @@
1248 1248  
1249 1249  Bb cc dd ee: number to be set
1250 1250  
1251 -
1252 1252  * Downlink Payload (prefix 0xA8):
1253 1253  
1254 1254  (% class="box infomessage" %)
... ... @@ -1257,7 +1257,6 @@
1257 1257  )))
1258 1258  
1259 1259  
1260 -
1261 1261  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1262 1262  
1263 1263  Clear counting for counting mode
... ... @@ -1277,7 +1277,6 @@
1277 1277  )))
1278 1278  
1279 1279  
1280 -
1281 1281  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1282 1282  
1283 1283  * AT Command:
... ... @@ -1300,17 +1300,16 @@
1300 1300  
1301 1301  )))
1302 1302  
1303 -
1304 1304  == 3.5 Integrate with Mydevice ==
1305 1305  
1306 1306  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1307 1307  
1308 1308  (((
1309 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1234 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1310 1310  )))
1311 1311  
1312 1312  (((
1313 -(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1238 +**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1314 1314  )))
1315 1315  
1316 1316  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1317,38 +1317,30 @@
1317 1317  
1318 1318  [[image:image-20220524094641-11.png||height="390" width="723"]]
1319 1319  
1320 -
1321 1321  [[image:image-20220524094641-12.png||height="402" width="718"]]
1322 1322  
1247 +**Step 3**: Create an account or log in Mydevices.
1323 1323  
1324 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1249 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1325 1325  
1326 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1327 -
1328 1328  Search under The things network
1329 1329  
1330 1330  [[image:1653356838789-523.png||height="337" width="740"]]
1331 1331  
1332 1332  
1333 -
1334 1334  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1335 1335  
1336 1336  [[image:image-20220524094909-1.png||height="335" width="729"]]
1337 1337  
1338 -
1339 1339  [[image:image-20220524094909-2.png||height="337" width="729"]]
1340 1340  
1341 -
1342 1342  [[image:image-20220524094909-3.png||height="338" width="727"]]
1343 1343  
1344 -
1345 1345  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1346 1346  
1347 -
1348 1348  [[image:image-20220524094909-5.png||height="341" width="734"]]
1349 1349  
1350 1350  
1351 -
1352 1352  == 3.6 Interface Detail ==
1353 1353  
1354 1354  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1358,7 +1358,6 @@
1358 1358  [[image:1653356991268-289.png]]
1359 1359  
1360 1360  
1361 -
1362 1362  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1363 1363  
1364 1364  (((
... ... @@ -1384,7 +1384,7 @@
1384 1384  )))
1385 1385  
1386 1386  (((
1387 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1303 +**Example1**: Connect to a Low active sensor.
1388 1388  )))
1389 1389  
1390 1390  (((
... ... @@ -1415,7 +1415,7 @@
1415 1415  )))
1416 1416  
1417 1417  (((
1418 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1334 +**Example2**: Connect to a High active sensor.
1419 1419  )))
1420 1420  
1421 1421  (((
... ... @@ -1446,7 +1446,7 @@
1446 1446  )))
1447 1447  
1448 1448  (((
1449 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1365 +**Example3**: Connect to a 220v high active sensor.
1450 1450  )))
1451 1451  
1452 1452  (((
... ... @@ -1473,7 +1473,6 @@
1473 1473  )))
1474 1474  
1475 1475  
1476 -
1477 1477  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1478 1478  
1479 1479  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1481,14 +1481,12 @@
1481 1481  [[image:1653357531600-905.png]]
1482 1482  
1483 1483  
1484 -
1485 1485  === 3.6.4 Analog Input Interface ===
1486 1486  
1487 1487  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1488 1488  
1403 +**AC2 = (IN2 voltage )/12**
1489 1489  
1490 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1491 -
1492 1492  [[image:1653357592296-182.png]]
1493 1493  
1494 1494  Example to connect a 4~~20mA sensor
... ... @@ -1495,24 +1495,22 @@
1495 1495  
1496 1496  We take the wind speed sensor as an example for reference only.
1497 1497  
1411 +Specifications of the wind speed sensor:
1498 1498  
1499 -**Specifications of the wind speed sensor:**
1413 +Red:12~~24v
1500 1500  
1501 -Red:  12~~24v
1415 +Yellow:4~~20mA
1502 1502  
1503 -Yellow:  4~~20mA
1417 +Black:GND
1504 1504  
1505 -Black:  GND
1506 1506  
1420 +Connection diagram:
1507 1507  
1508 -**Connection diagram:**
1509 -
1510 1510  [[image:1653357640609-758.png]]
1511 1511  
1512 1512  [[image:1653357648330-671.png||height="155" width="733"]]
1513 1513  
1514 1514  
1515 -
1516 1516  === 3.6.5 Relay Output ===
1517 1517  
1518 1518  (((
... ... @@ -1524,7 +1524,6 @@
1524 1524  [[image:image-20220524100215-10.png||height="382" width="723"]]
1525 1525  
1526 1526  
1527 -
1528 1528  == 3.7 LEDs Indicators ==
1529 1529  
1530 1530  [[image:image-20220524100748-11.png]]
... ... @@ -1538,7 +1538,6 @@
1538 1538  
1539 1539  [[image:1653358238933-385.png]]
1540 1540  
1541 -
1542 1542  (((
1543 1543  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1544 1544  )))
... ... @@ -1545,7 +1545,6 @@
1545 1545  
1546 1546  [[image:1653358355238-883.png]]
1547 1547  
1548 -
1549 1549  (((
1550 1550  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1551 1551  )))
... ... @@ -1736,16 +1736,12 @@
1736 1736  
1737 1737  )))
1738 1738  
1739 -
1740 -
1741 1741  == 4.2 Common AT Command Sequence ==
1742 1742  
1743 1743  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1744 1744  
1745 1745  (((
1746 -
1747 -
1748 -**If device has not joined network yet:**
1652 +If device has not joined network yet:
1749 1749  )))
1750 1750  
1751 1751  (((
... ... @@ -1770,7 +1770,7 @@
1770 1770  
1771 1771  
1772 1772  (((
1773 -**If device already joined network:**
1677 +If device already joined network:
1774 1774  )))
1775 1775  
1776 1776  (((
... ... @@ -1783,14 +1783,10 @@
1783 1783  
1784 1784  )))
1785 1785  
1786 -
1787 -
1788 1788  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1789 1789  
1790 1790  (((
1791 -
1792 -
1793 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1693 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1794 1794  )))
1795 1795  
1796 1796  (((
... ... @@ -1798,7 +1798,7 @@
1798 1798  )))
1799 1799  
1800 1800  (((
1801 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1701 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1802 1802  )))
1803 1803  
1804 1804  (((
... ... @@ -1806,41 +1806,39 @@
1806 1806  )))
1807 1807  
1808 1808  (((
1809 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1709 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1810 1810  )))
1811 1811  
1812 1812  (((
1813 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1713 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1814 1814  )))
1815 1815  
1816 1816  (((
1817 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1717 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1818 1818  )))
1819 1819  
1820 1820  (((
1821 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1721 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1822 1822  )))
1823 1823  
1824 1824  (((
1825 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1725 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1826 1826  )))
1827 1827  
1828 1828  (((
1829 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1729 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1830 1830  )))
1831 1831  
1832 1832  (((
1833 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1733 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1834 1834  )))
1835 1835  
1836 1836  (((
1837 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1737 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1838 1838  )))
1839 1839  
1840 1840  (((
1841 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1842 -
1843 -
1741 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1844 1844  )))
1845 1845  
1846 1846  (((
... ... @@ -1862,7 +1862,6 @@
1862 1862  
1863 1863  )))
1864 1864  
1865 -
1866 1866  === 4.2.3 Change to Class A ===
1867 1867  
1868 1868  If sensor JOINED
... ... @@ -1874,25 +1874,19 @@
1874 1874  
1875 1875  == 5.1 How to upgrade the image? ==
1876 1876  
1877 -
1878 1878  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1879 1879  
1880 1880  * Support new features
1881 1881  * For bug fix
1882 1882  * Change LoRaWAN bands.
1883 -
1884 1884  Below shows the hardware connection for how to upload an image to the LT:
1780 +* [[image:1653359603330-121.png]]
1885 1885  
1886 -[[image:1653359603330-121.png]]
1887 -
1888 -
1889 1889  (((
1890 -(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1891 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1892 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1893 -
1894 -
1895 -(% style="color:blue" %)**For LT-22222-L**(%%):
1783 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1784 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1785 +**Step3: **Open flashloader; choose the correct COM port to update.
1786 +**For LT-22222-L**:
1896 1896  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1897 1897  )))
1898 1898  
... ... @@ -1902,7 +1902,6 @@
1902 1902  
1903 1903  [[image:image-20220524104033-15.png]]
1904 1904  
1905 -
1906 1906  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1907 1907  
1908 1908  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1910,8 +1910,6 @@
1910 1910  
1911 1911  (((
1912 1912  (((
1913 -
1914 -
1915 1915  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1916 1916  )))
1917 1917  )))
... ... @@ -1918,11 +1918,11 @@
1918 1918  
1919 1919  (((
1920 1920  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1921 -)))
1922 1922  
1923 -(((
1924 1924  
1811 +)))
1925 1925  
1813 +(((
1926 1926  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1927 1927  )))
1928 1928  
... ... @@ -1935,8 +1935,6 @@
1935 1935  (((
1936 1936  (((
1937 1937  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1938 -
1939 -
1940 1940  )))
1941 1941  )))
1942 1942  
... ... @@ -1952,25 +1952,23 @@
1952 1952  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1953 1953  )))
1954 1954  
1955 -
1956 1956  (((
1957 1957  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1958 1958  )))
1959 1959  
1960 1960  (((
1961 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1962 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1963 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1964 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1965 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1966 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1967 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1968 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1969 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1970 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1846 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1847 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1848 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1849 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1850 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1851 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1852 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1853 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1854 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1855 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1971 1971  )))
1972 1972  
1973 -
1974 1974  (((
1975 1975  As shown in below:
1976 1976  )))
... ... @@ -1983,15 +1983,10 @@
1983 1983  (((
1984 1984  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1985 1985  
1986 -
1987 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1988 -
1989 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1870 +
1990 1990  )))
1991 1991  
1992 1992  (((
1993 -
1994 -
1995 1995  = 6. Trouble Shooting =
1996 1996  )))
1997 1997  
... ... @@ -2003,11 +2003,11 @@
2003 2003  
2004 2004  (((
2005 2005  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2006 -)))
2007 2007  
2008 -(((
2009 2009  
1887 +)))
2010 2010  
1889 +(((
2011 2011  == 6.2 Have trouble to upload image. ==
2012 2012  )))
2013 2013  
... ... @@ -2017,7 +2017,9 @@
2017 2017  
2018 2018  (((
2019 2019  
1899 +)))
2020 2020  
1901 +(((
2021 2021  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2022 2022  )))
2023 2023  
... ... @@ -2025,55 +2025,147 @@
2025 2025  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2026 2026  )))
2027 2027  
1909 +(((
1910 +
1911 +)))
2028 2028  
2029 -
1913 +(((
2030 2030  = 7. Order Info =
1915 +)))
2031 2031  
2032 -
1917 +(((
1918 +(((
2033 2033  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1920 +)))
1921 +)))
2034 2034  
2035 -
1923 +(((
1924 +(((
2036 2036  (% style="color:#4f81bd" %)**XXX:**
1926 +)))
1927 +)))
2037 2037  
2038 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2039 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2040 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2041 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2042 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2043 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2044 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2045 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2046 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1929 +(((
1930 +* (((
1931 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1932 +)))
1933 +)))
2047 2047  
2048 -= 8. Packing Info =
1935 +(((
1936 +* (((
1937 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1938 +)))
1939 +)))
2049 2049  
1941 +(((
1942 +* (((
1943 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1944 +)))
1945 +)))
2050 2050  
1947 +(((
1948 +* (((
1949 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1950 +)))
1951 +)))
1952 +
1953 +(((
1954 +* (((
1955 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1956 +)))
1957 +)))
1958 +
1959 +(((
1960 +* (((
1961 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1962 +)))
1963 +)))
1964 +
1965 +(((
1966 +* (((
1967 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1968 +)))
1969 +)))
1970 +
1971 +(((
1972 +* (((
1973 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1974 +)))
1975 +)))
1976 +
1977 +(((
1978 +* (((
1979 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1980 +
1981 +
1982 +)))
1983 +
1984 += 8. Packing Info =
1985 +)))
1986 +
1987 +(((
1988 +(((
2051 2051  **Package Includes**:
1990 +)))
1991 +)))
2052 2052  
1993 +(((
1994 +(((
2053 2053  * LT-22222-L I/O Controller x 1
2054 2054  * Stick Antenna for LoRa RF part x 1
2055 2055  * Bracket for controller x1
2056 2056  * Program cable x 1
1999 +)))
2000 +)))
2057 2057  
2002 +(((
2003 +(((
2058 2058  **Dimension and weight**:
2005 +)))
2006 +)))
2059 2059  
2008 +(((
2009 +(((
2060 2060  * Device Size: 13.5 x 7 x 3 cm
2061 2061  * Device Weight: 105g
2062 2062  * Package Size / pcs : 14.5 x 8 x 5 cm
2063 2063  * Weight / pcs : 170g
2064 2064  
2015 +
2016 +)))
2017 +)))
2018 +
2019 +(((
2065 2065  = 9. Support =
2021 +)))
2066 2066  
2067 2067  * (((
2024 +(((
2068 2068  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2069 2069  )))
2027 +)))
2070 2070  * (((
2071 -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]]
2029 +(((
2030 +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
2072 2072  )))
2032 +)))
2073 2073  
2034 +(((
2035 +(((
2036 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2037 +
2038 +
2039 +)))
2040 +
2041 +(((
2074 2074  = 10. Reference​​​​​ =
2075 2075  
2076 -* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2044 +* Product Page:
2045 +
2046 +LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2047 +
2077 2077  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2078 2078  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2079 2079  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2051 +)))
2052 +)))