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

From version 77.84
edited by Xiaoling
on 2022/06/10 09:26
Change comment: There is no comment for this version
To version 75.17
edited by Xiaoling
on 2022/06/01 17:46
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 +172,7 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
170 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,7 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
180 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,7 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
194 +
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 +275,7 @@
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  
272 +
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 +325,7 @@
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  
323 +
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.
... ... @@ -350,8 +350,6 @@
350 350  )))
351 351  
352 352  (((
353 -
354 -
355 355  **To use counting mode, please run:**
356 356  )))
357 357  
... ... @@ -370,8 +370,6 @@
370 370  )))
371 371  
372 372  (((
373 -
374 -
375 375  (% style="color:#4f81bd" %)**AT Commands for counting:**
376 376  )))
377 377  
... ... @@ -422,7 +422,6 @@
422 422  )))
423 423  
424 424  
425 -
426 426  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
427 427  
428 428  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -467,10 +467,8 @@
467 467  
468 468  )))
469 469  
470 -
471 471  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
472 472  
473 -
474 474  **LT22222-L**: This mode the DI1 is used as a counting pin.
475 475  
476 476  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.
... ... @@ -477,7 +477,6 @@
477 477  
478 478  [[image:image-20220523181903-8.png]]
479 479  
480 -
481 481  (((
482 482  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
483 483  )))
... ... @@ -493,8 +493,6 @@
493 493  )))
494 494  
495 495  (((
496 -
497 -
498 498  **To use this mode, please run:**
499 499  )))
500 500  
... ... @@ -521,8 +521,6 @@
521 521  )))
522 522  
523 523  (((
524 -
525 -
526 526  **Plus below command for AVI1 Counting:**
527 527  )))
528 528  
... ... @@ -555,17 +555,13 @@
555 555  )))
556 556  
557 557  
558 -
559 559  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
560 560  
561 -
562 562  **LT22222-L**: This mode the DI1 is used as a counting pin.
563 563  
564 564  [[image:image-20220523182334-9.png]]
565 565  
566 566  (((
567 -
568 -
569 569  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
570 570  )))
571 571  
... ... @@ -580,8 +580,6 @@
580 580  )))
581 581  
582 582  (((
583 -
584 -
585 585  **To use this mode, please run:**
586 586  )))
587 587  
... ... @@ -601,13 +601,12 @@
601 601  
602 602  (((
603 603  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
582 +
583 +
604 604  )))
605 605  
606 -
607 -
608 608  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
609 609  
610 -
611 611  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
612 612  
613 613  For example, if user has configured below commands:
... ... @@ -615,13 +615,11 @@
615 615  * **AT+MOD=1 ** **~-~->** The normal working mode
616 616  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
617 617  
618 -
619 619  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
620 620  
621 621  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
622 622  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.**
623 623  
624 -
625 625  **AT Command to set Trigger Condition**:
626 626  
627 627  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -673,17 +673,14 @@
673 673  
674 674   Yy4 yy4: AC2 or AV2 high limit.
675 675  
676 -
677 677  **Example1**: AA 00 13 88 00 00 00 00 00 00
678 678  
679 679  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
680 680  
681 -
682 682  **Example2**: AA 02 01 00
683 683  
684 684  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
685 685  
686 -
687 687  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
688 688  
689 689  MOD6 Payload : total 11 bytes payload
... ... @@ -690,7 +690,6 @@
690 690  
691 691  [[image:image-20220524085923-1.png]]
692 692  
693 -
694 694  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
695 695  
696 696  [[image:image-20220524090106-2.png]]
... ... @@ -697,7 +697,6 @@
697 697  
698 698  * Each bits shows if the corresponding trigger has been configured.
699 699  
700 -
701 701  **Example:**
702 702  
703 703  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -709,7 +709,6 @@
709 709  
710 710  * Each bits shows which status has been trigger on this uplink.
711 711  
712 -
713 713  **Example:**
714 714  
715 715  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -721,7 +721,6 @@
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
724 -
725 725  **Example:**
726 726  
727 727  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -738,19 +738,14 @@
738 738  When device got this command, it will send the MOD6 payload.
739 739  
740 740  
741 -
742 742  === 3.3.7 Payload Decoder ===
743 743  
744 744  (((
745 -
746 -
747 747  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
748 748  
749 749  
750 750  )))
751 751  
752 -
753 -
754 754  == 3.4 ​Configure LT via AT or Downlink ==
755 755  
756 756  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -763,14 +763,11 @@
763 763  
764 764  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
765 765  
766 -
767 -
768 768  === 3.4.1 Common Commands ===
769 769  
770 770  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]]
771 771  
772 772  
773 -
774 774  === 3.4.2 Sensor related commands ===
775 775  
776 776  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -786,7 +786,6 @@
786 786  
787 787  **Example: **AT+TDC=30000. Means set interval to 30 seconds
788 788  
789 -
790 790  * Downlink Payload (prefix 0x01):
791 791  
792 792  (% class="box infomessage" %)
... ... @@ -795,7 +795,6 @@
795 795  )))
796 796  
797 797  
798 -
799 799  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
800 800  
801 801  Set work mode.
... ... @@ -809,7 +809,6 @@
809 809  
810 810  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
811 811  
812 -
813 813  * Downlink Payload (prefix 0x0A):
814 814  
815 815  (% class="box infomessage" %)
... ... @@ -818,7 +818,6 @@
818 818  )))
819 819  
820 820  
821 -
822 822  ==== 3.4.2.3 Poll an uplink ====
823 823  
824 824  * AT Command:
... ... @@ -825,7 +825,6 @@
825 825  
826 826  There is no AT Command to poll uplink
827 827  
828 -
829 829  * Downlink Payload (prefix 0x08):
830 830  
831 831  (% class="box infomessage" %)
... ... @@ -836,7 +836,6 @@
836 836  **Example**: 0x08FF, ask device to send an Uplink
837 837  
838 838  
839 -
840 840  ==== 3.4.2.4 Enable Trigger Mode ====
841 841  
842 842  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -852,7 +852,6 @@
852 852  
853 853  0: Disable Trigger Mode
854 854  
855 -
856 856  * Downlink Payload (prefix 0x0A 06):
857 857  
858 858  (% class="box infomessage" %)
... ... @@ -861,7 +861,6 @@
861 861  )))
862 862  
863 863  
864 -
865 865  ==== 3.4.2.5 Poll trigger settings ====
866 866  
867 867  Poll trigger settings,
... ... @@ -870,7 +870,6 @@
870 870  
871 871  There is no AT Command for this feature.
872 872  
873 -
874 874  * Downlink Payload (prefix 0x AB 06):
875 875  
876 876  (% class="box infomessage" %)
... ... @@ -879,7 +879,6 @@
879 879  )))
880 880  
881 881  
882 -
883 883  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
884 884  
885 885  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -891,7 +891,6 @@
891 891  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
892 892  )))
893 893  
894 -
895 895  **Example:**
896 896  
897 897  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -904,7 +904,6 @@
904 904  )))
905 905  
906 906  
907 -
908 908  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
909 909  
910 910  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -920,12 +920,10 @@
920 920  
921 921  b : delay timing.
922 922  
923 -
924 924  **Example:**
925 925  
926 926  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
927 927  
928 -
929 929  * Downlink Payload (prefix 0x09 01 ):
930 930  
931 931  (% class="box infomessage" %)
... ... @@ -934,7 +934,6 @@
934 934  )))
935 935  
936 936  
937 -
938 938  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
939 939  
940 940  Set DI2 trigger.
... ... @@ -950,12 +950,10 @@
950 950  
951 951  b : delay timing.
952 952  
953 -
954 954  **Example:**
955 955  
956 956  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
957 957  
958 -
959 959  * Downlink Payload (prefix 0x09 02 ):
960 960  
961 961  (% class="box infomessage" %)
... ... @@ -964,7 +964,6 @@
964 964  )))
965 965  
966 966  
967 -
968 968  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
969 969  
970 970  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -976,7 +976,6 @@
976 976  **AT+ACLIM. **
977 977  )))
978 978  
979 -
980 980  * Downlink Payload (prefix 0xAA 01 ):
981 981  
982 982  (% class="box infomessage" %)
... ... @@ -985,7 +985,6 @@
985 985  )))
986 986  
987 987  
988 -
989 989  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
990 990  
991 991  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -997,7 +997,6 @@
997 997  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
998 998  )))
999 999  
1000 -
1001 1001  * Downlink Payload (prefix 0xAA 00 ):
1002 1002  
1003 1003  (% class="box infomessage" %)
... ... @@ -1006,7 +1006,6 @@
1006 1006  )))
1007 1007  
1008 1008  
1009 -
1010 1010  ==== 3.4.2.11 Trigger – Set minimum interval ====
1011 1011  
1012 1012  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1018,7 +1018,6 @@
1018 1018  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1019 1019  )))
1020 1020  
1021 -
1022 1022  * Downlink Payload (prefix 0xAC ):
1023 1023  
1024 1024  (% class="box infomessage" %)
... ... @@ -1027,7 +1027,6 @@
1027 1027  )))
1028 1028  
1029 1029  
1030 -
1031 1031  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1032 1032  
1033 1033  * AT Command:
... ... @@ -1034,7 +1034,6 @@
1034 1034  
1035 1035  There is no AT Command to control Digital Output
1036 1036  
1037 -
1038 1038  * Downlink Payload (prefix 0x02):
1039 1039  
1040 1040  (% class="box infomessage" %)
... ... @@ -1061,7 +1061,6 @@
1061 1061  )))
1062 1062  
1063 1063  
1064 -
1065 1065  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1066 1066  
1067 1067  * AT Command:
... ... @@ -1068,7 +1068,6 @@
1068 1068  
1069 1069  There is no AT Command to control Digital Output
1070 1070  
1071 -
1072 1072  * Downlink Payload (prefix 0xA9):
1073 1073  
1074 1074  (% class="box infomessage" %)
... ... @@ -1088,22 +1088,18 @@
1088 1088  
1089 1089  00: DO pins will change to an inverter state after timeout 
1090 1090  
1091 -
1092 1092  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1093 1093  
1094 1094  [[image:image-20220524093238-6.png]]
1095 1095  
1096 -
1097 1097  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1098 1098  
1099 1099  [[image:image-20220524093328-7.png]]
1100 1100  
1101 -
1102 1102  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1103 1103  
1104 1104  [[image:image-20220524093351-8.png]]
1105 1105  
1106 -
1107 1107  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1108 1108  
1109 1109   Latching time. Unit: ms
... ... @@ -1110,7 +1110,6 @@
1110 1110  
1111 1111  Device will upload a packet if downlink code executes successfully.
1112 1112  
1113 -
1114 1114  **Example payload:**
1115 1115  
1116 1116  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1130,14 +1130,12 @@
1130 1130  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
1131 1131  
1132 1132  
1061 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1133 1133  
1134 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1135 -
1136 1136  * AT Command:
1137 1137  
1138 1138  There is no AT Command to control Relay Output
1139 1139  
1140 -
1141 1141  * Downlink Payload (prefix 0x03):
1142 1142  
1143 1143  (% class="box infomessage" %)
... ... @@ -1160,7 +1160,6 @@
1160 1160  Device will upload a packet if downlink code executes successfully.
1161 1161  
1162 1162  
1163 -
1164 1164  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1165 1165  
1166 1166  * AT Command:
... ... @@ -1167,7 +1167,6 @@
1167 1167  
1168 1168  There is no AT Command to control Relay Output
1169 1169  
1170 -
1171 1171  * Downlink Payload (prefix 0x05):
1172 1172  
1173 1173  (% class="box infomessage" %)
... ... @@ -1185,17 +1185,14 @@
1185 1185  
1186 1186  00: Relays will change to an inverter state after timeout
1187 1187  
1188 -
1189 1189  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1190 1190  
1191 1191  [[image:image-20220524093831-10.png]]
1192 1192  
1193 -
1194 1194  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1195 1195  
1196 1196  Device will upload a packet if downlink code executes successfully.
1197 1197  
1198 -
1199 1199  **Example payload:**
1200 1200  
1201 1201  **~1. 05 01 11 07 D0**
... ... @@ -1215,7 +1215,6 @@
1215 1215  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1216 1216  
1217 1217  
1218 -
1219 1219  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1220 1220  
1221 1221  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1227,7 +1227,6 @@
1227 1227  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1228 1228  )))
1229 1229  
1230 -
1231 1231  * Downlink Payload (prefix 0xA5):
1232 1232  
1233 1233  (% class="box infomessage" %)
... ... @@ -1236,7 +1236,6 @@
1236 1236  )))
1237 1237  
1238 1238  
1239 -
1240 1240  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1241 1241  
1242 1242  * AT Command:
... ... @@ -1254,7 +1254,6 @@
1254 1254  
1255 1255  Bb cc dd ee: number to be set
1256 1256  
1257 -
1258 1258  * Downlink Payload (prefix 0xA8):
1259 1259  
1260 1260  (% class="box infomessage" %)
... ... @@ -1263,7 +1263,6 @@
1263 1263  )))
1264 1264  
1265 1265  
1266 -
1267 1267  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1268 1268  
1269 1269  Clear counting for counting mode
... ... @@ -1283,7 +1283,6 @@
1283 1283  )))
1284 1284  
1285 1285  
1286 -
1287 1287  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1288 1288  
1289 1289  * AT Command:
... ... @@ -1306,17 +1306,16 @@
1306 1306  
1307 1307  )))
1308 1308  
1309 -
1310 1310  == 3.5 Integrate with Mydevice ==
1311 1311  
1312 1312  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:
1313 1313  
1314 1314  (((
1315 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1229 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1316 1316  )))
1317 1317  
1318 1318  (((
1319 -(% 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:
1233 +**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:
1320 1320  )))
1321 1321  
1322 1322  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1323,13 +1323,12 @@
1323 1323  
1324 1324  [[image:image-20220524094641-11.png||height="390" width="723"]]
1325 1325  
1326 -
1327 1327  [[image:image-20220524094641-12.png||height="402" width="718"]]
1328 1328  
1329 1329  
1330 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1243 +**Step 3**: Create an account or log in Mydevices.
1331 1331  
1332 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1245 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1333 1333  
1334 1334  Search under The things network
1335 1335  
... ... @@ -1336,25 +1336,19 @@
1336 1336  [[image:1653356838789-523.png||height="337" width="740"]]
1337 1337  
1338 1338  
1339 -
1340 1340  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1341 1341  
1342 1342  [[image:image-20220524094909-1.png||height="335" width="729"]]
1343 1343  
1344 -
1345 1345  [[image:image-20220524094909-2.png||height="337" width="729"]]
1346 1346  
1347 -
1348 1348  [[image:image-20220524094909-3.png||height="338" width="727"]]
1349 1349  
1350 -
1351 1351  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1352 1352  
1353 -
1354 1354  [[image:image-20220524094909-5.png||height="341" width="734"]]
1355 1355  
1356 1356  
1357 -
1358 1358  == 3.6 Interface Detail ==
1359 1359  
1360 1360  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1364,7 +1364,6 @@
1364 1364  [[image:1653356991268-289.png]]
1365 1365  
1366 1366  
1367 -
1368 1368  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1369 1369  
1370 1370  (((
... ... @@ -1390,7 +1390,7 @@
1390 1390  )))
1391 1391  
1392 1392  (((
1393 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1299 +**Example1**: Connect to a Low active sensor.
1394 1394  )))
1395 1395  
1396 1396  (((
... ... @@ -1421,7 +1421,7 @@
1421 1421  )))
1422 1422  
1423 1423  (((
1424 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1330 +**Example2**: Connect to a High active sensor.
1425 1425  )))
1426 1426  
1427 1427  (((
... ... @@ -1452,7 +1452,7 @@
1452 1452  )))
1453 1453  
1454 1454  (((
1455 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1361 +**Example3**: Connect to a 220v high active sensor.
1456 1456  )))
1457 1457  
1458 1458  (((
... ... @@ -1479,7 +1479,6 @@
1479 1479  )))
1480 1480  
1481 1481  
1482 -
1483 1483  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1484 1484  
1485 1485  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1487,14 +1487,12 @@
1487 1487  [[image:1653357531600-905.png]]
1488 1488  
1489 1489  
1490 -
1491 1491  === 3.6.4 Analog Input Interface ===
1492 1492  
1493 1493  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:
1494 1494  
1399 +**AC2 = (IN2 voltage )/12**
1495 1495  
1496 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1497 -
1498 1498  [[image:1653357592296-182.png]]
1499 1499  
1500 1500  Example to connect a 4~~20mA sensor
... ... @@ -1501,24 +1501,22 @@
1501 1501  
1502 1502  We take the wind speed sensor as an example for reference only.
1503 1503  
1407 +Specifications of the wind speed sensor:
1504 1504  
1505 -**Specifications of the wind speed sensor:**
1409 +Red:12~~24v
1506 1506  
1507 -Red:  12~~24v
1411 +Yellow:4~~20mA
1508 1508  
1509 -Yellow:  4~~20mA
1413 +Black:GND
1510 1510  
1511 -Black:  GND
1512 1512  
1416 +Connection diagram:
1513 1513  
1514 -**Connection diagram:**
1515 -
1516 1516  [[image:1653357640609-758.png]]
1517 1517  
1518 1518  [[image:1653357648330-671.png||height="155" width="733"]]
1519 1519  
1520 1520  
1521 -
1522 1522  === 3.6.5 Relay Output ===
1523 1523  
1524 1524  (((
... ... @@ -1530,7 +1530,6 @@
1530 1530  [[image:image-20220524100215-10.png||height="382" width="723"]]
1531 1531  
1532 1532  
1533 -
1534 1534  == 3.7 LEDs Indicators ==
1535 1535  
1536 1536  [[image:image-20220524100748-11.png]]
... ... @@ -1544,7 +1544,6 @@
1544 1544  
1545 1545  [[image:1653358238933-385.png]]
1546 1546  
1547 -
1548 1548  (((
1549 1549  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:
1550 1550  )))
... ... @@ -1551,7 +1551,6 @@
1551 1551  
1552 1552  [[image:1653358355238-883.png]]
1553 1553  
1554 -
1555 1555  (((
1556 1556  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/]]
1557 1557  )))
... ... @@ -1742,16 +1742,12 @@
1742 1742  
1743 1743  )))
1744 1744  
1745 -
1746 -
1747 1747  == 4.2 Common AT Command Sequence ==
1748 1748  
1749 1749  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1750 1750  
1751 1751  (((
1752 -
1753 -
1754 -**If device has not joined network yet:**
1648 +If device has not joined network yet:
1755 1755  )))
1756 1756  
1757 1757  (((
... ... @@ -1776,7 +1776,7 @@
1776 1776  
1777 1777  
1778 1778  (((
1779 -**If device already joined network:**
1673 +If device already joined network:
1780 1780  )))
1781 1781  
1782 1782  (((
... ... @@ -1789,14 +1789,10 @@
1789 1789  
1790 1790  )))
1791 1791  
1792 -
1793 -
1794 1794  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1795 1795  
1796 1796  (((
1797 -
1798 -
1799 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1689 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1800 1800  )))
1801 1801  
1802 1802  (((
... ... @@ -1804,7 +1804,7 @@
1804 1804  )))
1805 1805  
1806 1806  (((
1807 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1697 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1808 1808  )))
1809 1809  
1810 1810  (((
... ... @@ -1812,41 +1812,39 @@
1812 1812  )))
1813 1813  
1814 1814  (((
1815 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1705 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1816 1816  )))
1817 1817  
1818 1818  (((
1819 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1709 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1820 1820  )))
1821 1821  
1822 1822  (((
1823 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1713 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1824 1824  )))
1825 1825  
1826 1826  (((
1827 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1717 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1828 1828  )))
1829 1829  
1830 1830  (((
1831 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1721 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1832 1832  )))
1833 1833  
1834 1834  (((
1835 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1725 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1836 1836  )))
1837 1837  
1838 1838  (((
1839 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1729 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1840 1840  )))
1841 1841  
1842 1842  (((
1843 -(% 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.
1733 +(% 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.
1844 1844  )))
1845 1845  
1846 1846  (((
1847 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1848 -
1849 -
1737 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1850 1850  )))
1851 1851  
1852 1852  (((
... ... @@ -1868,7 +1868,6 @@
1868 1868  
1869 1869  )))
1870 1870  
1871 -
1872 1872  === 4.2.3 Change to Class A ===
1873 1873  
1874 1874  If sensor JOINED
... ... @@ -1880,25 +1880,19 @@
1880 1880  
1881 1881  == 5.1 How to upgrade the image? ==
1882 1882  
1883 -
1884 1884  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1885 1885  
1886 1886  * Support new features
1887 1887  * For bug fix
1888 1888  * Change LoRaWAN bands.
1889 -
1890 1890  Below shows the hardware connection for how to upload an image to the LT:
1776 +* [[image:1653359603330-121.png]]
1891 1891  
1892 -[[image:1653359603330-121.png]]
1893 -
1894 -
1895 1895  (((
1896 -(% 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]].
1897 -(% 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/]].
1898 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1899 -
1900 -
1901 -(% style="color:blue" %)**For LT-22222-L**(%%):
1779 +**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]].
1780 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1781 +**Step3: **Open flashloader; choose the correct COM port to update.
1782 +**For LT-22222-L**:
1902 1902  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.
1903 1903  )))
1904 1904  
... ... @@ -1908,7 +1908,6 @@
1908 1908  
1909 1909  [[image:image-20220524104033-15.png]]
1910 1910  
1911 -
1912 1912  (% 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:
1913 1913  
1914 1914  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1916,8 +1916,6 @@
1916 1916  
1917 1917  (((
1918 1918  (((
1919 -
1920 -
1921 1921  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1922 1922  )))
1923 1923  )))
... ... @@ -1924,11 +1924,11 @@
1924 1924  
1925 1925  (((
1926 1926  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1927 -)))
1928 1928  
1929 -(((
1930 1930  
1807 +)))
1931 1931  
1809 +(((
1932 1932  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1933 1933  )))
1934 1934  
... ... @@ -1941,8 +1941,6 @@
1941 1941  (((
1942 1942  (((
1943 1943  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1944 -
1945 -
1946 1946  )))
1947 1947  )))
1948 1948  
... ... @@ -1958,25 +1958,23 @@
1958 1958  (% 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.
1959 1959  )))
1960 1960  
1961 -
1962 1962  (((
1963 1963  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1964 1964  )))
1965 1965  
1966 1966  (((
1967 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1968 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1969 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1970 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1971 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1972 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1973 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1974 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1975 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1976 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1842 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1843 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1844 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1845 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1846 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1847 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1848 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1849 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1850 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1851 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1977 1977  )))
1978 1978  
1979 -
1980 1980  (((
1981 1981  As shown in below:
1982 1982  )))
... ... @@ -1989,15 +1989,10 @@
1989 1989  (((
1990 1990  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.
1991 1991  
1992 -
1993 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1994 -
1995 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1866 +
1996 1996  )))
1997 1997  
1998 1998  (((
1999 -
2000 -
2001 2001  = 6. Trouble Shooting =
2002 2002  )))
2003 2003  
... ... @@ -2009,11 +2009,11 @@
2009 2009  
2010 2010  (((
2011 2011  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2012 -)))
2013 2013  
2014 -(((
2015 2015  
1883 +)))
2016 2016  
1885 +(((
2017 2017  == 6.2 Have trouble to upload image. ==
2018 2018  )))
2019 2019  
... ... @@ -2023,7 +2023,9 @@
2023 2023  
2024 2024  (((
2025 2025  
1895 +)))
2026 2026  
1897 +(((
2027 2027  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2028 2028  )))
2029 2029  
... ... @@ -2031,55 +2031,147 @@
2031 2031  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2032 2032  )))
2033 2033  
1905 +(((
1906 +
1907 +)))
2034 2034  
2035 -
1909 +(((
2036 2036  = 7. Order Info =
1911 +)))
2037 2037  
2038 -
1913 +(((
1914 +(((
2039 2039  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1916 +)))
1917 +)))
2040 2040  
2041 -
1919 +(((
1920 +(((
2042 2042  (% style="color:#4f81bd" %)**XXX:**
1922 +)))
1923 +)))
2043 2043  
2044 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2045 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2046 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2047 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2048 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2049 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2050 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2051 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2052 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1925 +(((
1926 +* (((
1927 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1928 +)))
1929 +)))
2053 2053  
2054 -= 8. Packing Info =
1931 +(((
1932 +* (((
1933 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1934 +)))
1935 +)))
2055 2055  
1937 +(((
1938 +* (((
1939 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1940 +)))
1941 +)))
2056 2056  
1943 +(((
1944 +* (((
1945 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1946 +)))
1947 +)))
1948 +
1949 +(((
1950 +* (((
1951 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1952 +)))
1953 +)))
1954 +
1955 +(((
1956 +* (((
1957 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1958 +)))
1959 +)))
1960 +
1961 +(((
1962 +* (((
1963 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1964 +)))
1965 +)))
1966 +
1967 +(((
1968 +* (((
1969 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1970 +)))
1971 +)))
1972 +
1973 +(((
1974 +* (((
1975 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1976 +
1977 +
1978 +)))
1979 +
1980 += 8. Packing Info =
1981 +)))
1982 +
1983 +(((
1984 +(((
2057 2057  **Package Includes**:
1986 +)))
1987 +)))
2058 2058  
1989 +(((
1990 +(((
2059 2059  * LT-22222-L I/O Controller x 1
2060 2060  * Stick Antenna for LoRa RF part x 1
2061 2061  * Bracket for controller x1
2062 2062  * Program cable x 1
1995 +)))
1996 +)))
2063 2063  
1998 +(((
1999 +(((
2064 2064  **Dimension and weight**:
2001 +)))
2002 +)))
2065 2065  
2004 +(((
2005 +(((
2066 2066  * Device Size: 13.5 x 7 x 3 cm
2067 2067  * Device Weight: 105g
2068 2068  * Package Size / pcs : 14.5 x 8 x 5 cm
2069 2069  * Weight / pcs : 170g
2070 2070  
2011 +
2012 +)))
2013 +)))
2014 +
2015 +(((
2071 2071  = 9. Support =
2017 +)))
2072 2072  
2073 2073  * (((
2020 +(((
2074 2074  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.
2075 2075  )))
2023 +)))
2076 2076  * (((
2077 -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]]
2025 +(((
2026 +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
2078 2078  )))
2028 +)))
2079 2079  
2030 +(((
2031 +(((
2032 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2033 +
2034 +
2035 +)))
2036 +
2037 +(((
2080 2080  = 10. Reference​​​​​ =
2081 2081  
2082 -* 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]]
2040 +* Product Page:
2041 +
2042 +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]]
2043 +
2083 2083  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2084 2084  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2085 2085  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2047 +)))
2048 +)))