Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 113.3 >
edited by Xiaoling
on 2023/04/24 14:39
To version < 102.3 >
edited by Xiaoling
on 2022/10/29 09:54
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -62,7 +62,7 @@
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
67 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,45 +176,35 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
189 +
190 +
191 +
192 192  == 1.4  Applications ==
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 207  
208 208  
204 +
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
212 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
213 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
214 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215 -(% style="text-align:center" %)
216 -[[image:image-20230424115112-1.png||height="106" width="58"]]
217 -)))|(% style="width:334px" %)(((
208 +(% border="1" style="background-color:#f7faff; width:500px" %)
209 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
210 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
218 218  * 2 x Digital Input (Bi-direction)
219 219  * 2 x Digital Output
220 220  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -225,6 +225,7 @@
225 225  
226 226  
227 227  
221 +
228 228  = 2. Power ON Device =
229 229  
230 230  
... ... @@ -241,8 +241,10 @@
241 241  [[image:1653297104069-180.png]]
242 242  
243 243  
238 +
244 244  = 3. Operation Mode =
245 245  
241 +
246 246  == 3.1 How it works? ==
247 247  
248 248  
... ... @@ -255,6 +255,7 @@
255 255  )))
256 256  
257 257  
254 +
258 258  == 3.2 Example to join LoRaWAN network ==
259 259  
260 260  
... ... @@ -306,6 +306,7 @@
306 306  [[image:1653298044601-602.png||height="405" width="709"]]
307 307  
308 308  
306 +
309 309  == 3.3 Uplink Payload ==
310 310  
311 311  
... ... @@ -320,6 +320,7 @@
320 320  
321 321  
322 322  
321 +
323 323  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
324 324  
325 325  
... ... @@ -378,6 +378,7 @@
378 378  
379 379  
380 380  
380 +
381 381  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
382 382  
383 383  
... ... @@ -451,6 +451,7 @@
451 451  )))
452 452  
453 453  
454 +
454 454  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
455 455  
456 456  
... ... @@ -497,6 +497,7 @@
497 497  )))
498 498  
499 499  
501 +
500 500  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
501 501  
502 502  
... ... @@ -565,6 +565,7 @@
565 565  )))
566 566  
567 567  
570 +
568 568  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
569 569  
570 570  
... ... @@ -612,6 +612,7 @@
612 612  )))
613 613  
614 614  
618 +
615 615  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
616 616  
617 617  
... ... @@ -666,6 +666,7 @@
666 666  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
667 667  
668 668  
673 +
669 669  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
670 670  
671 671  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -726,6 +726,7 @@
726 726  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
727 727  
728 728  
734 +
729 729  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
730 730  
731 731  [[image:image-20220524090456-4.png]]
... ... @@ -739,6 +739,7 @@
739 739  00000101: Means both DI1 and DI2 trigger are enabled.
740 740  
741 741  
748 +
742 742  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
743 743  
744 744  Downlink command to poll MOD6 status:
... ... @@ -748,6 +748,7 @@
748 748  When device got this command, it will send the MOD6 payload.
749 749  
750 750  
758 +
751 751  === 3.3.7 Payload Decoder ===
752 752  
753 753  (((
... ... @@ -757,6 +757,7 @@
757 757  )))
758 758  
759 759  
768 +
760 760  == 3.4 ​Configure LT via AT or Downlink ==
761 761  
762 762  
... ... @@ -784,8 +784,10 @@
784 784  )))
785 785  
786 786  
796 +
787 787  === 3.4.2 Sensor related commands ===
788 788  
799 +
789 789  ==== 3.4.2.1 Set Transmit Interval ====
790 790  
791 791  
... ... @@ -793,7 +793,7 @@
793 793  
794 794  * (% style="color:#037691" %)**AT Command:**
795 795  
796 -(% style="color:blue" %)**AT+TDC=N **
807 +**(% style="color:blue" %)AT+TDC=N **
797 797  
798 798  
799 799  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -801,10 +801,11 @@
801 801  
802 802  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
803 803  
804 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
815 +**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
805 805  
806 806  
807 807  
819 +
808 808  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
809 809  
810 810  
... ... @@ -812,7 +812,7 @@
812 812  
813 813  * (% style="color:#037691" %)**AT Command:**
814 814  
815 -(% style="color:blue" %)**AT+MOD=N  **
827 +**(% style="color:blue" %)AT+MOD=N  **
816 816  
817 817  
818 818  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -820,10 +820,11 @@
820 820  
821 821  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
822 822  
823 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
835 +**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
824 824  
825 825  
826 826  
839 +
827 827  ==== 3.4.2.3 Poll an uplink ====
828 828  
829 829  
... ... @@ -834,7 +834,7 @@
834 834  
835 835  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
836 836  
837 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
850 +**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
838 838  
839 839  
840 840  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -841,6 +841,7 @@
841 841  
842 842  
843 843  
857 +
844 844  ==== 3.4.2.4 Enable Trigger Mode ====
845 845  
846 846  
... ... @@ -848,19 +848,20 @@
848 848  
849 849  * (% style="color:#037691" %)**AT Command:**
850 850  
851 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
865 +**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
852 852  
853 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
867 +**(% style="color:red" %)1:** Enable Trigger Mode
854 854  
855 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
869 +**(% style="color:red" %)0: **Disable Trigger Mode
856 856  
857 857  
858 858  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
859 859  
860 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
874 +**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
861 861  
862 862  
863 863  
878 +
864 864  ==== 3.4.2.5 Poll trigger settings ====
865 865  
866 866  
... ... @@ -873,10 +873,11 @@
873 873  
874 874  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
875 875  
876 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
891 +**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
877 877  
878 878  
879 879  
895 +
880 880  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
881 881  
882 882  
... ... @@ -884,7 +884,7 @@
884 884  
885 885  * (% style="color:#037691" %)**AT Command:**
886 886  
887 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
903 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
888 888  
889 889  
890 890  **Example:**
... ... @@ -893,10 +893,11 @@
893 893  
894 894  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
895 895  
896 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
912 +**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
897 897  
898 898  
899 899  
916 +
900 900  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
901 901  
902 902  
... ... @@ -904,11 +904,11 @@
904 904  
905 905  * (% style="color:#037691" %)**AT Command:**
906 906  
907 -(% style="color:blue" %)**AT+TRIG1=a,b**
924 +**(% style="color:blue" %)AT+TRIG1=a,b**
908 908  
909 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
926 +**(% style="color:red" %)a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
910 910  
911 -(% style="color:red" %)**b :** (%%)delay timing.
928 +**(% style="color:red" %)b :** (%%)delay timing.
912 912  
913 913  
914 914  **Example:**
... ... @@ -917,8 +917,8 @@
917 917  
918 918  
919 919  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
937 +* **(% style="color:blue" %)0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
920 920  
921 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
922 922  
923 923  
924 924  
... ... @@ -929,13 +929,14 @@
929 929  
930 930  * (% style="color:#037691" %)**AT Command:**
931 931  
932 -(% style="color:blue" %)**AT+TRIG2=a,b**
949 +**(% style="color:blue" %)AT+TRIG2=a,b**
933 933  
934 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
935 935  
936 -(% style="color:red" %)**b :** (%%)delay timing.
952 +**(% style="color:red" %)a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
937 937  
954 +**(% style="color:red" %)b :** (%%)delay timing.
938 938  
956 +
939 939  **Example:**
940 940  
941 941  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -943,10 +943,11 @@
943 943  
944 944  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
945 945  
946 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
964 +**(% style="color:blue" %)0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
947 947  
948 948  
949 949  
968 +
950 950  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
951 951  
952 952  
... ... @@ -954,15 +954,16 @@
954 954  
955 955  * (% style="color:#037691" %)**AT Command**
956 956  
957 -(% style="color:blue" %)**AT+ACLIM**
976 +**(% style="color:blue" %)AT+ACLIM**
958 958  
959 959  
960 960  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
961 961  
962 -(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
981 +**(% style="color:blue" %)0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
963 963  
964 964  
965 965  
985 +
966 966  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
967 967  
968 968  
... ... @@ -970,15 +970,16 @@
970 970  
971 971  * (% style="color:#037691" %)**AT Command**
972 972  
973 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
993 +**(% style="color:blue" %)AT+AVLIM  (%%) See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
974 974  
975 975  
976 976  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
977 977  
978 -(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
998 +**(% style="color:blue" %)0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
979 979  
980 980  
981 981  
1002 +
982 982  ==== 3.4.2.11 Trigger – Set minimum interval ====
983 983  
984 984  
... ... @@ -986,12 +986,12 @@
986 986  
987 987  * (% style="color:#037691" %)**AT Command**
988 988  
989 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1010 +**(% style="color:blue" %)AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
990 990  
991 991  
992 992  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
993 993  
994 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1015 +**(% style="color:blue" %)0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
995 995  
996 996  (((
997 997  
... ... @@ -1001,6 +1001,7 @@
1001 1001  
1002 1002  
1003 1003  
1025 +
1004 1004  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1005 1005  
1006 1006  
... ... @@ -1010,7 +1010,7 @@
1010 1010  
1011 1011  
1012 1012  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1013 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1035 +* **(% style="color:blue" %)0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1014 1014  
1015 1015  (((
1016 1016  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1032,6 +1032,7 @@
1032 1032  
1033 1033  
1034 1034  
1057 +
1035 1035  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1036 1036  
1037 1037  
... ... @@ -1042,7 +1042,7 @@
1042 1042  
1043 1043  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1044 1044  
1045 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1068 +**(% style="color:blue" %)0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1046 1046  
1047 1047  
1048 1048  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1075,14 +1075,6 @@
1075 1075  
1076 1076   Latching time. Unit: ms
1077 1077  
1078 -
1079 -(% style="color:red" %)**Note: **
1080 -
1081 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1082 -
1083 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1084 -
1085 -
1086 1086  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1087 1087  
1088 1088  
... ... @@ -1106,9 +1106,10 @@
1106 1106  
1107 1107  
1108 1108  
1109 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1110 1110  
1125 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1111 1111  
1127 +
1112 1112  * (% style="color:#037691" %)**AT Command:**
1113 1113  
1114 1114  There is no AT Command to control Relay Output
... ... @@ -1116,7 +1116,7 @@
1116 1116  
1117 1117  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1118 1118  
1119 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1135 +**(% style="color:blue" %)0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1120 1120  
1121 1121  
1122 1122  (((
... ... @@ -1135,6 +1135,7 @@
1135 1135  
1136 1136  
1137 1137  
1154 +
1138 1138  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1139 1139  
1140 1140  
... ... @@ -1145,7 +1145,7 @@
1145 1145  
1146 1146  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1147 1147  
1148 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1165 +**(% style="color:blue" %)0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1149 1149  
1150 1150  
1151 1151  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1166,20 +1166,12 @@
1166 1166  
1167 1167  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1168 1168  
1169 -
1170 -(% style="color:red" %)**Note:**
1171 -
1172 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1173 -
1174 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1175 -
1176 -
1177 1177  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1178 1178  
1179 1179  
1180 1180  **Example payload:**
1181 1181  
1182 -**~1. 05 01 11 07 D0**
1191 +**~1. 05 01 11 07 D**
1183 1183  
1184 1184  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1185 1185  
... ... @@ -1204,33 +1204,35 @@
1204 1204  
1205 1205  * (% style="color:#037691" %)**AT Command:**
1206 1206  
1207 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1216 +**(% style="color:blue" %)AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1208 1208  
1209 1209  
1210 1210  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1211 1211  
1212 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1221 +**(% style="color:blue" %)0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1213 1213  
1214 1214  
1215 1215  
1225 +
1216 1216  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1217 1217  
1218 1218  
1219 1219  * (% style="color:#037691" %)**AT Command:**
1220 1220  
1221 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1231 +**(% style="color:blue" %)AT+SETCNT=aa,(bb cc dd ee) **
1222 1222  
1223 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1233 +**(% style="color:red" %)aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1224 1224  
1225 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1235 +**(% style="color:red" %)bb cc dd ee: **(%%)number to be set
1226 1226  
1227 1227  
1228 1228  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1229 1229  
1230 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1240 +**(% style="color:blue" %)0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1231 1231  
1232 1232  
1233 1233  
1244 +
1234 1234  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1235 1235  
1236 1236  
... ... @@ -1238,26 +1238,27 @@
1238 1238  
1239 1239  * (% style="color:#037691" %)**AT Command:**
1240 1240  
1241 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1252 +**(% style="color:blue" %)AT+CLRCOUNT **(%%) ~/~/ clear all counting
1242 1242  
1243 1243  
1244 1244  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1245 1245  
1246 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1257 +**(% style="color:blue" %)0x A6 01    ** (%%)~/~/ clear all counting
1247 1247  
1248 1248  
1249 1249  
1261 +
1250 1250  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1251 1251  
1252 1252  
1253 1253  * (% style="color:#037691" %)**AT Command:**
1254 1254  
1255 -(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1267 +**(% style="color:blue" %)AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1256 1256  
1257 1257  
1258 1258  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1259 1259  
1260 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1272 +**(% style="color:blue" %)0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1261 1261  
1262 1262  (((
1263 1263  range: aa bb cc:0 to 16777215,  (unit:second)
... ... @@ -1265,20 +1265,22 @@
1265 1265  
1266 1266  
1267 1267  
1268 -==== 3.4.2.20 Reset save RO DO state ====
1269 1269  
1281 +==== 3.4.2.20 Reset save DR DO state ====
1270 1270  
1283 +
1271 1271  * (% style="color:#037691" %)**AT Command:**
1272 1272  
1273 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1286 +**(% style="color:blue" %)AT+RODORET=1  **(%%)~/~/ RODO will close when the device joining the network. (default)
1274 1274  
1275 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1288 +**(% style="color:blue" %)AT+RODORET=0  **(%%)~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1276 1276  
1277 1277  
1278 1278  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1279 1279  
1280 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1293 +**(% style="color:blue" %)0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1281 1281  
1295 +
1282 1282  
1283 1283  
1284 1284  ==== 3.4.2.21 Encrypted payload ====
... ... @@ -1286,56 +1286,60 @@
1286 1286  
1287 1287  * (% style="color:#037691" %)**AT Command:**
1288 1288  
1289 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1303 +**(% style="color:blue" %)AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1290 1290  
1291 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1305 +**(% style="color:blue" %)AT+DECRYPT=0  **(%%)~/~/Encrypt when uploading payload (default)
1292 1292  
1293 1293  
1294 1294  
1309 +
1295 1295  ==== 3.4.2.22 Get sensor value ====
1296 1296  
1297 1297  
1298 1298  * (% style="color:#037691" %)**AT Command:**
1299 1299  
1300 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1315 +**(% style="color:blue" %)AT+GETSENSORVALUE=0  **(%%)~/~/ The serial port gets the reading of the current sensor
1301 1301  
1302 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1317 +**(% style="color:blue" %)AT+GETSENSORVALUE=1  **(%%)~/~/The serial port gets the current sensor reading and uploads it.
1303 1303  
1304 1304  
1305 1305  
1321 +
1306 1306  ==== 3.4.2.23 Resets the downlink packet count ====
1307 1307  
1308 1308  
1309 1309  * (% style="color:#037691" %)**AT Command:**
1310 1310  
1311 -(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1327 +**(% style="color:blue" %)AT+DISFCNTCHECK=0  **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1312 1312  
1313 -(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1329 +**(% style="color:blue" %)AT+DISFCNTCHECK=1  **(%%)~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1314 1314  
1315 1315  
1316 1316  
1333 +
1317 1317  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1318 1318  
1319 1319  
1320 1320  * (% style="color:#037691" %)**AT Command:**
1321 1321  
1322 -(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1339 +**(% style="color:blue" %)AT+DISMACANS=0**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1323 1323  
1324 -(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1341 +**(% style="color:blue" %)AT+DISMACANS=1**  (%%)    ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1325 1325  
1326 1326  
1327 1327  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1328 1328  
1329 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1346 +**(% style="color:blue" %)0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1330 1330  
1331 1331  
1332 1332  
1350 +
1333 1333  ==== 3.4.2.25 Copy downlink to uplink ====
1334 1334  
1335 1335  
1336 1336  * (% style="color:#037691" %)**AT Command**(%%)**:**
1337 1337  
1338 -(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1356 +**(% style="color:blue" %)AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1339 1339  
1340 1340  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1341 1341  
... ... @@ -1358,7 +1358,7 @@
1358 1358  * (((
1359 1359  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1360 1360  
1361 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1379 +**(% style="color:blue" %)26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1362 1362  
1363 1363  
1364 1364  )))
... ... @@ -1368,6 +1368,9 @@
1368 1368  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1369 1369  
1370 1370  
1389 +
1390 +)))
1391 +
1371 1371  == 3.5 Integrate with Mydevice ==
1372 1372  
1373 1373  
... ... @@ -1417,8 +1417,10 @@
1417 1417  [[image:image-20220524094909-5.png||height="341" width="734"]]
1418 1418  
1419 1419  
1441 +
1420 1420  == 3.6 Interface Detail ==
1421 1421  
1444 +
1422 1422  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1423 1423  
1424 1424  
... ... @@ -1427,6 +1427,7 @@
1427 1427  [[image:1653356991268-289.png]]
1428 1428  
1429 1429  
1453 +
1430 1430  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1431 1431  
1432 1432  
... ... @@ -1483,6 +1483,8 @@
1483 1483  
1484 1484  (((
1485 1485  
1510 +
1511 +
1486 1486  )))
1487 1487  
1488 1488  (((
... ... @@ -1514,6 +1514,8 @@
1514 1514  
1515 1515  (((
1516 1516  
1543 +
1544 +
1517 1517  )))
1518 1518  
1519 1519  (((
... ... @@ -1544,16 +1544,16 @@
1544 1544  )))
1545 1545  
1546 1546  
1575 +
1547 1547  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1548 1548  
1549 1549  
1550 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1579 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1551 1551  
1552 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1553 -
1554 1554  [[image:1653357531600-905.png]]
1555 1555  
1556 1556  
1584 +
1557 1557  === 3.6.4 Analog Input Interface ===
1558 1558  
1559 1559  
... ... @@ -1571,9 +1571,9 @@
1571 1571  
1572 1572  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1573 1573  
1574 -(% style="color:red" %)**Red:  12~~24v**
1602 +**Red:  12~~24v**
1575 1575  
1576 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1604 +**Yellow:  4~~20mA**
1577 1577  
1578 1578  **Black:  GND**
1579 1579  
... ... @@ -1585,13 +1585,12 @@
1585 1585  [[image:1653357648330-671.png||height="155" width="733"]]
1586 1586  
1587 1587  
1616 +
1588 1588  === 3.6.5 Relay Output ===
1589 1589  
1590 1590  
1591 1591  (((
1592 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1593 -
1594 -**Note**: RO pins go to Open(NO) when device is power off.
1621 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1595 1595  )))
1596 1596  
1597 1597  [[image:image-20220524100215-9.png]]
... ... @@ -1600,6 +1600,7 @@
1600 1600  [[image:image-20220524100215-10.png||height="382" width="723"]]
1601 1601  
1602 1602  
1630 +
1603 1603  == 3.7 LEDs Indicators ==
1604 1604  
1605 1605  
... ... @@ -1606,8 +1606,10 @@
1606 1606  [[image:image-20220524100748-11.png]]
1607 1607  
1608 1608  
1637 +
1609 1609  = 4. Use AT Command =
1610 1610  
1640 +
1611 1611  == 4.1 Access AT Command ==
1612 1612  
1613 1613  
... ... @@ -1818,8 +1818,10 @@
1818 1818  )))
1819 1819  
1820 1820  
1851 +
1821 1821  == 4.2 Common AT Command Sequence ==
1822 1822  
1854 +
1823 1823  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1824 1824  
1825 1825  (((
... ... @@ -1864,6 +1864,7 @@
1864 1864  )))
1865 1865  
1866 1866  
1899 +
1867 1867  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1868 1868  
1869 1869  (((
... ... @@ -1936,7 +1936,7 @@
1936 1936  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1937 1937  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1938 1938  
1939 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1972 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1940 1940  
1941 1941  
1942 1942  )))
... ... @@ -1949,11 +1949,12 @@
1949 1949  
1950 1950  )))
1951 1951  
1985 +
1952 1952  === 4.2.3 Change to Class A ===
1953 1953  
1954 1954  
1955 1955  (((
1956 -(% style="color:blue" %)**If sensor JOINED:**
1990 +(% style="color:blue" %)If sensor JOINED:
1957 1957  
1958 1958  (% style="background-color:#dcdcdc" %)**AT+CLASS=A
1959 1959  ATZ**
... ... @@ -1960,19 +1960,13 @@
1960 1960  )))
1961 1961  
1962 1962  
1963 -= 5. Case Study =
1964 1964  
1965 -== 5.1 Counting how many objects pass in Flow Line ==
1998 += 5. FAQ =
1966 1966  
1967 1967  
1968 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2001 +== 5.1 How to upgrade the image? ==
1969 1969  
1970 1970  
1971 -= 6. FAQ =
1972 -
1973 -== 6.1 How to upgrade the image? ==
1974 -
1975 -
1976 1976  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1977 1977  
1978 1978  * Support new features
... ... @@ -2000,10 +2000,8 @@
2000 2000  
2001 2001   [[image:image-20220524103407-12.png]]
2002 2002  
2003 -
2004 2004  [[image:image-20220524103429-13.png]]
2005 2005  
2006 -
2007 2007  [[image:image-20220524104033-15.png]]
2008 2008  
2009 2009  
... ... @@ -2015,8 +2015,10 @@
2015 2015  
2016 2016  (((
2017 2017  (((
2018 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2044 +
2019 2019  
2046 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2047 +
2020 2020  
2021 2021  )))
2022 2022  )))
... ... @@ -2028,8 +2028,9 @@
2028 2028  (((
2029 2029  
2030 2030  
2031 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2032 2032  
2060 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2061 +
2033 2033  
2034 2034  )))
2035 2035  
... ... @@ -2043,6 +2043,7 @@
2043 2043  (((
2044 2044  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2045 2045  
2075 +
2046 2046  
2047 2047  )))
2048 2048  )))
... ... @@ -2091,23 +2091,26 @@
2091 2091  [[image:1653360498588-932.png||height="485" width="726"]]
2092 2092  
2093 2093  
2094 -== 6.4 Can I see counting event in Serial? ==
2095 2095  
2125 +== 5.4 Can I see counting event in Serial? ==
2096 2096  
2127 +
2097 2097  (((
2098 2098  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.
2099 2099  
2100 2100  
2101 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2102 2102  
2133 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2103 2103  
2104 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2105 2105  
2136 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2137 +
2138 +
2106 2106  
2107 2107  )))
2108 2108  
2109 2109  (((
2110 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2143 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2111 2111  
2112 2112  
2113 2113  If the device is not shut down, but directly powered off.
... ... @@ -2119,9 +2119,10 @@
2119 2119  After restart, the status before power failure will be read from flash.
2120 2120  
2121 2121  
2122 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2123 2123  
2156 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2124 2124  
2158 +
2125 2125  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2126 2126  
2127 2127  
... ... @@ -2128,18 +2128,15 @@
2128 2128  [[image:image-20221006170630-1.png||height="610" width="945"]]
2129 2129  
2130 2130  
2131 -== 6.8 Can LT22222-L save RO state? ==
2132 2132  
2166 += 6. Trouble Shooting =
2133 2133  
2134 -Firmware version needs to be no less than 1.6.0.
2135 -
2136 -
2137 -= 7. Trouble Shooting =
2168 +
2138 2138  )))
2139 2139  
2140 2140  (((
2141 2141  (((
2142 -== 7.1 Downlink doesn't work, how to solve it? ==
2173 +== 6.1 Downlink doesn't work, how to solve it? ==
2143 2143  
2144 2144  
2145 2145  )))
... ... @@ -2152,8 +2152,9 @@
2152 2152  (((
2153 2153  
2154 2154  
2155 -== 7.2 Have trouble to upload image. ==
2156 2156  
2187 +== 6.2 Have trouble to upload image. ==
2188 +
2157 2157  
2158 2158  )))
2159 2159  
... ... @@ -2164,8 +2164,9 @@
2164 2164  (((
2165 2165  
2166 2166  
2167 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2168 2168  
2200 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2201 +
2169 2169  
2170 2170  )))
2171 2171  
... ... @@ -2174,9 +2174,10 @@
2174 2174  )))
2175 2175  
2176 2176  
2177 -= 8. Order Info =
2178 2178  
2211 += 7. Order Info =
2179 2179  
2213 +
2180 2180  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2181 2181  
2182 2182  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2191,11 +2191,9 @@
2191 2191  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2192 2192  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2193 2193  
2228 += 8. Packing Info =
2194 2194  
2195 2195  
2196 -= 9. Packing Info =
2197 -
2198 -
2199 2199  **Package Includes**:
2200 2200  
2201 2201  * LT-22222-L I/O Controller x 1
... ... @@ -2210,11 +2210,9 @@
2210 2210  * Package Size / pcs : 14.5 x 8 x 5 cm
2211 2211  * Weight / pcs : 170g
2212 2212  
2245 += 9. Support =
2213 2213  
2214 2214  
2215 -= 10. Support =
2216 -
2217 -
2218 2218  * (((
2219 2219  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.
2220 2220  )))
... ... @@ -2222,14 +2222,13 @@
2222 2222  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]]
2223 2223  
2224 2224  
2255 +
2225 2225  
2226 2226  )))
2227 2227  
2228 -= 11. Reference​​​​​ =
2259 += 10. Reference​​​​​ =
2229 2229  
2230 2230  
2231 2231  * 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]]
2232 2232  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2233 2233  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2234 -
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