Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -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. ... ... @@ -463,8 +463,6 @@ 463 463 464 464 ))) 465 465 466 - 467 - 468 468 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 469 469 470 470 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -488,8 +488,6 @@ 488 488 ))) 489 489 490 490 ((( 491 - 492 - 493 493 **To use this mode, please run:** 494 494 ))) 495 495 ... ... @@ -516,8 +516,6 @@ 516 516 ))) 517 517 518 518 ((( 519 - 520 - 521 521 **Plus below command for AVI1 Counting:** 522 522 ))) 523 523 ... ... @@ -550,17 +550,13 @@ 550 550 ))) 551 551 552 552 553 - 554 554 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 555 555 556 - 557 557 **LT22222-L**: This mode the DI1 is used as a counting pin. 558 558 559 559 [[image:image-20220523182334-9.png]] 560 560 561 561 ((( 562 - 563 - 564 564 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 565 565 ))) 566 566 ... ... @@ -575,8 +575,6 @@ 575 575 ))) 576 576 577 577 ((( 578 - 579 - 580 580 **To use this mode, please run:** 581 581 ))) 582 582 ... ... @@ -596,10 +596,10 @@ 596 596 597 597 ((( 598 598 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 587 + 588 + 599 599 ))) 600 600 601 - 602 - 603 603 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 604 604 605 605 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** ... ... @@ -609,13 +609,11 @@ 609 609 * **AT+MOD=1 ** **~-~->** The normal working mode 610 610 * **AT+ADDMOD6=1** **~-~->** Enable trigger 611 611 612 - 613 613 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 614 614 615 615 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 616 616 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.** 617 617 618 - 619 619 **AT Command to set Trigger Condition**: 620 620 621 621 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -667,17 +667,14 @@ 667 667 668 668 Yy4 yy4: AC2 or AV2 high limit. 669 669 670 - 671 671 **Example1**: AA 00 13 88 00 00 00 00 00 00 672 672 673 673 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 674 674 675 - 676 676 **Example2**: AA 02 01 00 677 677 678 678 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 679 679 680 - 681 681 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 682 682 683 683 MOD6 Payload : total 11 bytes payload ... ... @@ -684,7 +684,6 @@ 684 684 685 685 [[image:image-20220524085923-1.png]] 686 686 687 - 688 688 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 689 689 690 690 [[image:image-20220524090106-2.png]] ... ... @@ -691,7 +691,6 @@ 691 691 692 692 * Each bits shows if the corresponding trigger has been configured. 693 693 694 - 695 695 **Example:** 696 696 697 697 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -703,7 +703,6 @@ 703 703 704 704 * Each bits shows which status has been trigger on this uplink. 705 705 706 - 707 707 **Example:** 708 708 709 709 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -715,7 +715,6 @@ 715 715 716 716 * Each bits shows which status has been trigger on this uplink. 717 717 718 - 719 719 **Example:** 720 720 721 721 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -732,7 +732,6 @@ 732 732 When device got this command, it will send the MOD6 payload. 733 733 734 734 735 - 736 736 === 3.3.7 Payload Decoder === 737 737 738 738 ((( ... ... @@ -741,8 +741,6 @@ 741 741 742 742 ))) 743 743 744 - 745 - 746 746 == 3.4 Configure LT via AT or Downlink == 747 747 748 748 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -755,14 +755,11 @@ 755 755 756 756 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 757 757 758 - 759 - 760 760 === 3.4.1 Common Commands === 761 761 762 762 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]] 763 763 764 764 765 - 766 766 === 3.4.2 Sensor related commands === 767 767 768 768 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -778,7 +778,6 @@ 778 778 779 779 **Example: **AT+TDC=30000. Means set interval to 30 seconds 780 780 781 - 782 782 * Downlink Payload (prefix 0x01): 783 783 784 784 (% class="box infomessage" %) ... ... @@ -787,7 +787,6 @@ 787 787 ))) 788 788 789 789 790 - 791 791 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 792 792 793 793 Set work mode. ... ... @@ -801,7 +801,6 @@ 801 801 802 802 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 803 803 804 - 805 805 * Downlink Payload (prefix 0x0A): 806 806 807 807 (% class="box infomessage" %) ... ... @@ -810,7 +810,6 @@ 810 810 ))) 811 811 812 812 813 - 814 814 ==== 3.4.2.3 Poll an uplink ==== 815 815 816 816 * AT Command: ... ... @@ -817,7 +817,6 @@ 817 817 818 818 There is no AT Command to poll uplink 819 819 820 - 821 821 * Downlink Payload (prefix 0x08): 822 822 823 823 (% class="box infomessage" %) ... ... @@ -828,7 +828,6 @@ 828 828 **Example**: 0x08FF, ask device to send an Uplink 829 829 830 830 831 - 832 832 ==== 3.4.2.4 Enable Trigger Mode ==== 833 833 834 834 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -844,7 +844,6 @@ 844 844 845 845 0: Disable Trigger Mode 846 846 847 - 848 848 * Downlink Payload (prefix 0x0A 06): 849 849 850 850 (% class="box infomessage" %) ... ... @@ -853,7 +853,6 @@ 853 853 ))) 854 854 855 855 856 - 857 857 ==== 3.4.2.5 Poll trigger settings ==== 858 858 859 859 Poll trigger settings, ... ... @@ -862,7 +862,6 @@ 862 862 863 863 There is no AT Command for this feature. 864 864 865 - 866 866 * Downlink Payload (prefix 0x AB 06): 867 867 868 868 (% class="box infomessage" %) ... ... @@ -871,7 +871,6 @@ 871 871 ))) 872 872 873 873 874 - 875 875 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 876 876 877 877 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -883,7 +883,6 @@ 883 883 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 884 884 ))) 885 885 886 - 887 887 **Example:** 888 888 889 889 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -896,7 +896,6 @@ 896 896 ))) 897 897 898 898 899 - 900 900 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 901 901 902 902 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -912,12 +912,10 @@ 912 912 913 913 b : delay timing. 914 914 915 - 916 916 **Example:** 917 917 918 918 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 919 919 920 - 921 921 * Downlink Payload (prefix 0x09 01 ): 922 922 923 923 (% class="box infomessage" %) ... ... @@ -926,7 +926,6 @@ 926 926 ))) 927 927 928 928 929 - 930 930 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 931 931 932 932 Set DI2 trigger. ... ... @@ -942,12 +942,10 @@ 942 942 943 943 b : delay timing. 944 944 945 - 946 946 **Example:** 947 947 948 948 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 949 949 950 - 951 951 * Downlink Payload (prefix 0x09 02 ): 952 952 953 953 (% class="box infomessage" %) ... ... @@ -956,7 +956,6 @@ 956 956 ))) 957 957 958 958 959 - 960 960 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 961 961 962 962 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -968,37 +968,33 @@ 968 968 **AT+ACLIM. ** 969 969 ))) 970 970 971 - 972 972 * Downlink Payload (prefix 0xAA 01 ): 973 973 974 974 (% class="box infomessage" %) 975 975 ((( 976 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**930 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]** 977 977 ))) 978 978 979 979 980 - 981 981 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 982 982 983 -Set current trigger , base on AV port. See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]936 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] 984 984 985 985 * AT Command: 986 986 987 987 (% class="box infomessage" %) 988 988 ((( 989 -**AT+AVLIM. See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**942 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]** 990 990 ))) 991 991 992 - 993 993 * Downlink Payload (prefix 0xAA 00 ): 994 994 995 995 (% class="box infomessage" %) 996 996 ((( 997 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **949 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] ** 998 998 ))) 999 999 1000 1000 1001 - 1002 1002 ==== 3.4.2.11 Trigger – Set minimum interval ==== 1003 1003 1004 1004 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -1010,7 +1010,6 @@ 1010 1010 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 1011 1011 ))) 1012 1012 1013 - 1014 1014 * Downlink Payload (prefix 0xAC ): 1015 1015 1016 1016 (% class="box infomessage" %) ... ... @@ -1019,7 +1019,6 @@ 1019 1019 ))) 1020 1020 1021 1021 1022 - 1023 1023 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1024 1024 1025 1025 * AT Command: ... ... @@ -1026,7 +1026,6 @@ 1026 1026 1027 1027 There is no AT Command to control Digital Output 1028 1028 1029 - 1030 1030 * Downlink Payload (prefix 0x02): 1031 1031 1032 1032 (% class="box infomessage" %) ... ... @@ -1053,7 +1053,6 @@ 1053 1053 ))) 1054 1054 1055 1055 1056 - 1057 1057 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1058 1058 1059 1059 * AT Command: ... ... @@ -1060,7 +1060,6 @@ 1060 1060 1061 1061 There is no AT Command to control Digital Output 1062 1062 1063 - 1064 1064 * Downlink Payload (prefix 0xA9): 1065 1065 1066 1066 (% class="box infomessage" %) ... ... @@ -1080,22 +1080,18 @@ 1080 1080 1081 1081 00: DO pins will change to an inverter state after timeout 1082 1082 1083 - 1084 1084 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1085 1085 1086 1086 [[image:image-20220524093238-6.png]] 1087 1087 1088 - 1089 1089 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1090 1090 1091 1091 [[image:image-20220524093328-7.png]] 1092 1092 1093 - 1094 1094 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1095 1095 1096 1096 [[image:image-20220524093351-8.png]] 1097 1097 1098 - 1099 1099 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1100 1100 1101 1101 Latching time. Unit: ms ... ... @@ -1102,7 +1102,6 @@ 1102 1102 1103 1103 Device will upload a packet if downlink code executes successfully. 1104 1104 1105 - 1106 1106 **Example payload:** 1107 1107 1108 1108 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1122,14 +1122,12 @@ 1122 1122 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 1123 1123 1124 1124 1066 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1125 1125 1126 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1127 - 1128 1128 * AT Command: 1129 1129 1130 1130 There is no AT Command to control Relay Output 1131 1131 1132 - 1133 1133 * Downlink Payload (prefix 0x03): 1134 1134 1135 1135 (% class="box infomessage" %) ... ... @@ -1152,7 +1152,6 @@ 1152 1152 Device will upload a packet if downlink code executes successfully. 1153 1153 1154 1154 1155 - 1156 1156 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1157 1157 1158 1158 * AT Command: ... ... @@ -1159,7 +1159,6 @@ 1159 1159 1160 1160 There is no AT Command to control Relay Output 1161 1161 1162 - 1163 1163 * Downlink Payload (prefix 0x05): 1164 1164 1165 1165 (% class="box infomessage" %) ... ... @@ -1177,17 +1177,14 @@ 1177 1177 1178 1178 00: Relays will change to an inverter state after timeout 1179 1179 1180 - 1181 1181 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1182 1182 1183 1183 [[image:image-20220524093831-10.png]] 1184 1184 1185 - 1186 1186 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1187 1187 1188 1188 Device will upload a packet if downlink code executes successfully. 1189 1189 1190 - 1191 1191 **Example payload:** 1192 1192 1193 1193 **~1. 05 01 11 07 D0** ... ... @@ -1207,19 +1207,17 @@ 1207 1207 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1208 1208 1209 1209 1210 - 1211 1211 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1212 1212 1213 -When voltage exceed the threshold, count. Feature see [[MOD4>> ||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]1146 +When voltage exceed the threshold, count. Feature 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]] 1214 1214 1215 1215 * AT Command: 1216 1216 1217 1217 (% class="box infomessage" %) 1218 1218 ((( 1219 -**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]]** 1220 1220 ))) 1221 1221 1222 - 1223 1223 * Downlink Payload (prefix 0xA5): 1224 1224 1225 1225 (% class="box infomessage" %) ... ... @@ -1228,7 +1228,6 @@ 1228 1228 ))) 1229 1229 1230 1230 1231 - 1232 1232 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1233 1233 1234 1234 * AT Command: ... ... @@ -1246,7 +1246,6 @@ 1246 1246 1247 1247 Bb cc dd ee: number to be set 1248 1248 1249 - 1250 1250 * Downlink Payload (prefix 0xA8): 1251 1251 1252 1252 (% class="box infomessage" %) ... ... @@ -1255,7 +1255,6 @@ 1255 1255 ))) 1256 1256 1257 1257 1258 - 1259 1259 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1260 1260 1261 1261 Clear counting for counting mode ... ... @@ -1275,7 +1275,6 @@ 1275 1275 ))) 1276 1276 1277 1277 1278 - 1279 1279 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1280 1280 1281 1281 * AT Command: ... ... @@ -1298,17 +1298,16 @@ 1298 1298 1299 1299 ))) 1300 1300 1301 - 1302 1302 == 3.5 Integrate with Mydevice == 1303 1303 1304 1304 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: 1305 1305 1306 1306 ((( 1307 - (% 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. 1308 1308 ))) 1309 1309 1310 1310 ((( 1311 - (% 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: 1312 1312 ))) 1313 1313 1314 1314 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1315,38 +1315,30 @@ 1315 1315 1316 1316 [[image:image-20220524094641-11.png||height="390" width="723"]] 1317 1317 1318 - 1319 1319 [[image:image-20220524094641-12.png||height="402" width="718"]] 1320 1320 1247 +**Step 3**: Create an account or log in Mydevices. 1321 1321 1322 - (% style="color:blue" %)**Step3**(%%):Create an accountorloginMydevices.1249 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1323 1323 1324 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1325 - 1326 1326 Search under The things network 1327 1327 1328 1328 [[image:1653356838789-523.png||height="337" width="740"]] 1329 1329 1330 1330 1331 - 1332 1332 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1333 1333 1334 1334 [[image:image-20220524094909-1.png||height="335" width="729"]] 1335 1335 1336 - 1337 1337 [[image:image-20220524094909-2.png||height="337" width="729"]] 1338 1338 1339 - 1340 1340 [[image:image-20220524094909-3.png||height="338" width="727"]] 1341 1341 1342 - 1343 1343 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1344 1344 1345 - 1346 1346 [[image:image-20220524094909-5.png||height="341" width="734"]] 1347 1347 1348 1348 1349 - 1350 1350 == 3.6 Interface Detail == 1351 1351 1352 1352 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1356,7 +1356,6 @@ 1356 1356 [[image:1653356991268-289.png]] 1357 1357 1358 1358 1359 - 1360 1360 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1361 1361 1362 1362 ((( ... ... @@ -1382,7 +1382,7 @@ 1382 1382 ))) 1383 1383 1384 1384 ((( 1385 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1303 +**Example1**: Connect to a Low active sensor. 1386 1386 ))) 1387 1387 1388 1388 ((( ... ... @@ -1413,7 +1413,7 @@ 1413 1413 ))) 1414 1414 1415 1415 ((( 1416 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1334 +**Example2**: Connect to a High active sensor. 1417 1417 ))) 1418 1418 1419 1419 ((( ... ... @@ -1444,7 +1444,7 @@ 1444 1444 ))) 1445 1445 1446 1446 ((( 1447 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1365 +**Example3**: Connect to a 220v high active sensor. 1448 1448 ))) 1449 1449 1450 1450 ((( ... ... @@ -1471,7 +1471,6 @@ 1471 1471 ))) 1472 1472 1473 1473 1474 - 1475 1475 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1476 1476 1477 1477 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1479,14 +1479,12 @@ 1479 1479 [[image:1653357531600-905.png]] 1480 1480 1481 1481 1482 - 1483 1483 === 3.6.4 Analog Input Interface === 1484 1484 1485 1485 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: 1486 1486 1403 +**AC2 = (IN2 voltage )/12** 1487 1487 1488 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1489 - 1490 1490 [[image:1653357592296-182.png]] 1491 1491 1492 1492 Example to connect a 4~~20mA sensor ... ... @@ -1493,24 +1493,22 @@ 1493 1493 1494 1494 We take the wind speed sensor as an example for reference only. 1495 1495 1411 +Specifications of the wind speed sensor: 1496 1496 1497 - **Specifications of the windspeed sensor:**1413 +Red:12~~24v 1498 1498 1499 - Red:12~~24v1415 +Yellow:4~~20mA 1500 1500 1501 - Yellow:4~~20mA1417 +Black:GND 1502 1502 1503 -Black: GND 1504 1504 1420 +Connection diagram: 1505 1505 1506 -**Connection diagram:** 1507 - 1508 1508 [[image:1653357640609-758.png]] 1509 1509 1510 1510 [[image:1653357648330-671.png||height="155" width="733"]] 1511 1511 1512 1512 1513 - 1514 1514 === 3.6.5 Relay Output === 1515 1515 1516 1516 ((( ... ... @@ -1522,7 +1522,6 @@ 1522 1522 [[image:image-20220524100215-10.png||height="382" width="723"]] 1523 1523 1524 1524 1525 - 1526 1526 == 3.7 LEDs Indicators == 1527 1527 1528 1528 [[image:image-20220524100748-11.png]] ... ... @@ -1536,7 +1536,6 @@ 1536 1536 1537 1537 [[image:1653358238933-385.png]] 1538 1538 1539 - 1540 1540 ((( 1541 1541 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: 1542 1542 ))) ... ... @@ -1543,7 +1543,6 @@ 1543 1543 1544 1544 [[image:1653358355238-883.png]] 1545 1545 1546 - 1547 1547 ((( 1548 1548 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/]] 1549 1549 ))) ... ... @@ -1734,16 +1734,12 @@ 1734 1734 1735 1735 ))) 1736 1736 1737 - 1738 - 1739 1739 == 4.2 Common AT Command Sequence == 1740 1740 1741 1741 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1742 1742 1743 1743 ((( 1744 - 1745 - 1746 -**If device has not joined network yet:** 1652 +If device has not joined network yet: 1747 1747 ))) 1748 1748 1749 1749 ((( ... ... @@ -1768,7 +1768,7 @@ 1768 1768 1769 1769 1770 1770 ((( 1771 - **If device already joined network:**1677 +If device already joined network: 1772 1772 ))) 1773 1773 1774 1774 ((( ... ... @@ -1781,14 +1781,10 @@ 1781 1781 1782 1782 ))) 1783 1783 1784 - 1785 - 1786 1786 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1787 1787 1788 1788 ((( 1789 - 1790 - 1791 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1693 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1792 1792 ))) 1793 1793 1794 1794 ((( ... ... @@ -1796,7 +1796,7 @@ 1796 1796 ))) 1797 1797 1798 1798 ((( 1799 -(% style="background-color:#dcdcdc" %) 123456(%%) 1701 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1800 1800 ))) 1801 1801 1802 1802 ((( ... ... @@ -1804,41 +1804,39 @@ 1804 1804 ))) 1805 1805 1806 1806 ((( 1807 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1709 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1808 1808 ))) 1809 1809 1810 1810 ((( 1811 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1713 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1812 1812 ))) 1813 1813 1814 1814 ((( 1815 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1717 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1816 1816 ))) 1817 1817 1818 1818 ((( 1819 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1721 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1820 1820 ))) 1821 1821 1822 1822 ((( 1823 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1725 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1824 1824 ))) 1825 1825 1826 1826 ((( 1827 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1729 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1828 1828 ))) 1829 1829 1830 1830 ((( 1831 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1733 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1832 1832 ))) 1833 1833 1834 1834 ((( 1835 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 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. 1836 1836 ))) 1837 1837 1838 1838 ((( 1839 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1840 - 1841 - 1741 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1842 1842 ))) 1843 1843 1844 1844 ((( ... ... @@ -1860,7 +1860,6 @@ 1860 1860 1861 1861 ))) 1862 1862 1863 - 1864 1864 === 4.2.3 Change to Class A === 1865 1865 1866 1866 If sensor JOINED ... ... @@ -1872,25 +1872,19 @@ 1872 1872 1873 1873 == 5.1 How to upgrade the image? == 1874 1874 1875 - 1876 1876 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1877 1877 1878 1878 * Support new features 1879 1879 * For bug fix 1880 1880 * Change LoRaWAN bands. 1881 - 1882 1882 Below shows the hardware connection for how to upload an image to the LT: 1780 +* [[image:1653359603330-121.png]] 1883 1883 1884 -[[image:1653359603330-121.png]] 1885 - 1886 - 1887 1887 ((( 1888 -(% 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]]. 1889 -(% 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/]]. 1890 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1891 - 1892 - 1893 -(% 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**: 1894 1894 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. 1895 1895 ))) 1896 1896 ... ... @@ -1900,7 +1900,6 @@ 1900 1900 1901 1901 [[image:image-20220524104033-15.png]] 1902 1902 1903 - 1904 1904 (% 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: 1905 1905 1906 1906 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1908,8 +1908,6 @@ 1908 1908 1909 1909 ((( 1910 1910 ((( 1911 - 1912 - 1913 1913 == 5.2 How to change the LoRa Frequency Bands/Region? == 1914 1914 ))) 1915 1915 ))) ... ... @@ -1916,11 +1916,11 @@ 1916 1916 1917 1917 ((( 1918 1918 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1919 -))) 1920 1920 1921 -((( 1922 1922 1811 +))) 1923 1923 1813 +((( 1924 1924 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1925 1925 ))) 1926 1926 ... ... @@ -1933,8 +1933,6 @@ 1933 1933 ((( 1934 1934 ((( 1935 1935 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1936 - 1937 - 1938 1938 ))) 1939 1939 ))) 1940 1940 ... ... @@ -1950,25 +1950,23 @@ 1950 1950 (% 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. 1951 1951 ))) 1952 1952 1953 - 1954 1954 ((( 1955 1955 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1956 1956 ))) 1957 1957 1958 1958 ((( 1959 -(% style="background-color:#dcdcdc" %)123456 (%%) 1960 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1961 -(% style="background-color:#dcdcdc" %)123456 (%%) 1962 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1963 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1964 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1965 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1966 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1967 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1968 -(% style="background-color:#dcdcdc" %)ATZ (%%) 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 1969 1969 ))) 1970 1970 1971 - 1972 1972 ((( 1973 1973 As shown in below: 1974 1974 ))) ... ... @@ -1981,15 +1981,10 @@ 1981 1981 ((( 1982 1982 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. 1983 1983 1984 - 1985 -== 5.5 Can i use point to point communication for LT-22222-L? == 1986 - 1987 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1870 + 1988 1988 ))) 1989 1989 1990 1990 ((( 1991 - 1992 - 1993 1993 = 6. Trouble Shooting = 1994 1994 ))) 1995 1995 ... ... @@ -2001,11 +2001,11 @@ 2001 2001 2002 2002 ((( 2003 2003 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 2004 -))) 2005 2005 2006 -((( 2007 2007 1887 +))) 2008 2008 1889 +((( 2009 2009 == 6.2 Have trouble to upload image. == 2010 2010 ))) 2011 2011 ... ... @@ -2015,7 +2015,9 @@ 2015 2015 2016 2016 ((( 2017 2017 1899 +))) 2018 2018 1901 +((( 2019 2019 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 2020 2020 ))) 2021 2021 ... ... @@ -2023,55 +2023,147 @@ 2023 2023 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 2024 2024 ))) 2025 2025 1909 +((( 1910 + 1911 +))) 2026 2026 2027 - 1913 +((( 2028 2028 = 7. Order Info = 1915 +))) 2029 2029 2030 - 1917 +((( 1918 +((( 2031 2031 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1920 +))) 1921 +))) 2032 2032 2033 - 1923 +((( 1924 +((( 2034 2034 (% style="color:#4f81bd" %)**XXX:** 1926 +))) 1927 +))) 2035 2035 2036 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2037 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2038 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2039 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2040 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2041 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2042 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2043 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2044 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1929 +((( 1930 +* ((( 1931 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1932 +))) 1933 +))) 2045 2045 2046 -= 8. Packing Info = 1935 +((( 1936 +* ((( 1937 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1938 +))) 1939 +))) 2047 2047 1941 +((( 1942 +* ((( 1943 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1944 +))) 1945 +))) 2048 2048 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 +((( 2049 2049 **Package Includes**: 1990 +))) 1991 +))) 2050 2050 1993 +((( 1994 +((( 2051 2051 * LT-22222-L I/O Controller x 1 2052 2052 * Stick Antenna for LoRa RF part x 1 2053 2053 * Bracket for controller x1 2054 2054 * Program cable x 1 1999 +))) 2000 +))) 2055 2055 2002 +((( 2003 +((( 2056 2056 **Dimension and weight**: 2005 +))) 2006 +))) 2057 2057 2008 +((( 2009 +((( 2058 2058 * Device Size: 13.5 x 7 x 3 cm 2059 2059 * Device Weight: 105g 2060 2060 * Package Size / pcs : 14.5 x 8 x 5 cm 2061 2061 * Weight / pcs : 170g 2062 2062 2015 + 2016 +))) 2017 +))) 2018 + 2019 +((( 2063 2063 = 9. Support = 2021 +))) 2064 2064 2065 2065 * ((( 2024 +((( 2066 2066 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. 2067 2067 ))) 2027 +))) 2068 2068 * ((( 2069 -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 2070 2070 ))) 2032 +))) 2071 2071 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 +((( 2072 2072 = 10. Reference = 2073 2073 2074 -* 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 + 2075 2075 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2076 2076 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2077 2077 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2051 +))) 2052 +)))