Last modified by Xiaoling on 2023/07/18 10:12

From version 170.32
edited by Xiaoling
on 2022/06/22 11:23
Change comment: There is no comment for this version
To version 170.20
edited by Xiaoling
on 2022/06/22 11:01
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -18,30 +18,17 @@
18 18  
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 -
22 -(((
23 23  The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.**
24 -)))
25 25  
26 -(((
27 27  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
28 -)))
29 29  
30 -(((
31 31  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
32 -)))
33 33  
34 -(((
35 35  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
36 -)))
37 37  
38 -(((
39 39  LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
40 -)))
41 41  
42 -(((
43 43  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
44 -)))
45 45  
46 46  
47 47  == 1.2 Features ==
... ... @@ -58,7 +58,6 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 -
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -83,36 +83,23 @@
83 83  * ±2°C accuracy from -55°C to +125°C
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 -
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
90 90  
91 -(((
92 92  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
93 -)))
94 94  
95 -(((
96 96  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
97 -)))
98 98  
99 99  
100 100  == 2.2 How to Activate LHT65N? ==
101 101  
102 -(((
103 103  The LHT65N has two working modes:
104 -)))
105 105  
106 -* (((
107 -(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
108 -)))
109 -* (((
110 -(% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
111 -)))
85 +* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
86 +* (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
112 112  
113 -(((
114 114  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
115 -)))
116 116  
117 117  
118 118  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -268,7 +268,6 @@
268 268  
269 269  
270 270  
271 -
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
274 274  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
... ... @@ -301,8 +301,6 @@
301 301  
302 302  
303 303  
304 -
305 -
306 306  === 2.4.3 Built-in Temperature ===
307 307  
308 308  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -314,9 +314,6 @@
314 314  * Temperature:  (0xF5C6-65536)/100=-26.18℃
315 315  
316 316  
317 -
318 -
319 -
320 320  === 2.4.4 Built-in Humidity ===
321 321  
322 322  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -324,9 +324,6 @@
324 324  * Humidity:    0x025C/10=60.4%
325 325  
326 326  
327 -
328 -
329 -
330 330  === 2.4.5 Ext # ===
331 331  
332 332  Bytes for External Sensor:
... ... @@ -481,8 +481,6 @@
481 481  
482 482  
483 483  
484 -
485 -
486 486  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
487 487  
488 488  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -557,10 +557,6 @@
557 557  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
558 558  1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
559 559  
560 -
561 -
562 -
563 -
564 564  === 2.6.2 Unix TimeStamp ===
565 565  
566 566  
... ... @@ -583,37 +583,20 @@
583 583  
584 584  === 2.6.3 Set Device Time ===
585 585  
586 -(((
587 587  There are two ways to set device's time:
588 -)))
589 589  
590 -(((
591 591  **~1. Through LoRaWAN MAC Command (Default settings)**
592 -)))
593 593  
594 -(((
595 595  User need to set SYNCMOD=1 to enable sync time via MAC command.
596 -)))
597 597  
598 -(((
599 599  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
600 -)))
601 601  
602 -(((
603 603  (% style="color:red" %)Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
604 -)))
605 605  
606 -(((
607 -
608 -)))
609 609  
610 -(((
611 611  **2. Manually Set Time**
612 -)))
613 613  
614 -(((
615 615  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
616 -)))
617 617  
618 618  
619 619  
... ... @@ -780,11 +780,9 @@
780 780  (% _mstvisible="2" %)
781 781  (((
782 782  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
783 -(((
784 784  Poll Message Flag: 1: This message is a poll message reply.
785 785  )))
786 786  )))
787 -)))
788 788  
789 789  (% _mstvisible="1" %)
790 790  * (% _mstvisible="3" %)
... ... @@ -792,21 +792,17 @@
792 792  (% _mstvisible="4" %)
793 793  (((
794 794  (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
795 -(((
796 796  Poll Message Flag is set to 1.
797 797  )))
798 798  )))
799 -)))
800 800  * (% _mstvisible="3" %)
801 801  (((
802 802  (% _mstvisible="4" %)
803 803  (((
804 804  (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
805 -(((
806 806  Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
807 807  )))
808 808  )))
809 -)))
810 810  
811 811  (% _mstvisible="1" %)
812 812  (((
... ... @@ -813,16 +813,12 @@
813 813  (% _mstvisible="2" %)
814 814  (((
815 815  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
816 -(((
817 817  
818 -)))
819 819  
820 820  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
821 -(((
822 822  For example, in US915 band, the max payload for different DR is:
823 823  )))
824 824  )))
825 -)))
826 826  
827 827  (% _mstvisible="1" %)
828 828  (((
... ... @@ -829,11 +829,9 @@
829 829  (% _mstvisible="2" %)
830 830  (((
831 831  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
832 -(((
833 833  a) DR0: max is 11 bytes so one entry of data
834 834  )))
835 835  )))
836 -)))
837 837  
838 838  (% _mstvisible="1" %)
839 839  (((
... ... @@ -840,11 +840,9 @@
840 840  (% _mstvisible="2" %)
841 841  (((
842 842  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
843 -(((
844 844  b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
845 845  )))
846 846  )))
847 -)))
848 848  
849 849  (% _mstvisible="1" %)
850 850  (((
... ... @@ -851,11 +851,9 @@
851 851  (% _mstvisible="2" %)
852 852  (((
853 853  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
854 -(((
855 855  c) DR2: total payload includes 11 entries of data
856 856  )))
857 857  )))
858 -)))
859 859  
860 860  (% _mstvisible="1" %)
861 861  (((
... ... @@ -862,11 +862,9 @@
862 862  (% _mstvisible="2" %)
863 863  (((
864 864  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
865 -(((
866 866  d) DR3: total payload includes 22 entries of data.
867 867  )))
868 868  )))
869 -)))
870 870  
871 871  (% _mstvisible="1" %)
872 872  (((
... ... @@ -873,11 +873,9 @@
873 873  (% _mstvisible="2" %)
874 874  (((
875 875  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
876 -(((
877 877  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
878 878  )))
879 879  )))
880 -)))
881 881  
882 882  
883 883  (% _mstvisible="1" style="text-align: left;" %)
... ... @@ -923,83 +923,51 @@
923 923  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
924 924  
925 925  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
926 -(((
927 927  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
928 -)))
929 929  
930 930  (% _msthash="315237" _msttexthash="1385839" %)
931 -(((
932 932  Where the first 11 bytes is for the first entry:
933 -)))
934 934  
935 935  (% _msthash="315238" _msttexthash="274846" %)
936 -(((
937 937  7FFF089801464160065F97
938 -)))
939 939  
940 940  (% _msthash="315239" _msttexthash="617435" %)
941 -(((
942 942  Ext sensor data=0x7FFF/100=327.67
943 -)))
944 944  
945 945  (% _msthash="315240" _msttexthash="270543" %)
946 -(((
947 947  Temp=0x0898/100=22.00
948 -)))
949 949  
950 950  (% _msthash="315241" _msttexthash="211783" %)
951 -(((
952 952  Hum=0x0146/10=32.6
953 -)))
954 954  
955 955  (% _msthash="315242" _msttexthash="1569776" %)
956 -(((
957 957  poll message flag & Ext=0x41,means reply data,Ext=1
958 -)))
959 959  
960 960  (% _msthash="315243" _msttexthash="1120509" %)
961 -(((
962 962  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
963 -)))
964 964  
965 965  
966 966  
967 967  == 2.7 Alarm Mode ==
968 968  
969 -(((
970 970  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
971 -)))
972 972  
973 -(((
974 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
975 -)))
876 +(% style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
976 976  
977 -(((
978 978  **AT COMMAND FOR ALARM MODE:**
979 -)))
980 980  
981 981  (% _mstvisible="1" class="box infomessage" %)
982 982  (((
983 -(((
984 984  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
985 -)))
986 986  
987 -(((
988 988  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
989 -)))
990 990  
991 -(((
992 992  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
993 -)))
994 994  
995 -(((
996 996  **AT+ARTEMP=? **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
997 -)))
998 998  
999 -(((
1000 1000  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1001 1001  )))
1002 -)))
1003 1003  
1004 1004  
1005 1005  
... ... @@ -1013,7 +1013,7 @@
1013 1013  In a normal working state:
1014 1014  
1015 1015  * For each uplink, the BLUE LED or RED LED will blink once.
1016 -BLUE LED when external sensor is connected.
905 + BLUE LED when external sensor is connected.
1017 1017  * RED LED when external sensor is not connected
1018 1018  * For each success downlink, the PURPLE LED will blink once
1019 1019  
... ... @@ -1020,7 +1020,6 @@
1020 1020  
1021 1021  
1022 1022  
1023 -
1024 1024  == 2.9 installation ==
1025 1025  
1026 1026  (% _mstvisible="1" %)
... ... @@ -1049,6 +1049,7 @@
1049 1049  
1050 1050  Temperature sensor with 2 meters cable long
1051 1051  
940 +
1052 1052  * Resolution: 0.0625 °C
1053 1053  * ±0.5°C accuracy from -10°C to +85°C
1054 1054  * ±2°C accuracy from -55°C to +125°C
... ... @@ -1069,9 +1069,10 @@
1069 1069  
1070 1070  These commands are to configure:
1071 1071  
1072 -1. General system settings like: uplink interval.
1073 -1. LoRaWAN protocol & radio-related commands.
961 +* General system settings like: uplink interval.
1074 1074  
963 +* LoRaWAN protocol & radio-related commands.
964 +
1075 1075  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1076 1076  
1077 1077  * (% style="color:#4f81bd" %)**Commands special design for LHT65N**
... ... @@ -1083,8 +1083,10 @@
1083 1083  
1084 1084  Feature: Change LoRaWAN End Node Transmit Interval.
1085 1085  
976 +
1086 1086  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1087 1087  
979 +
1088 1088  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1089 1089  
1090 1090  
... ... @@ -1098,6 +1098,7 @@
1098 1098  
1099 1099  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1100 1100  
993 +
1101 1101  == 4.2 Set External Sensor Mode ==
1102 1102  
1103 1103  Feature: Change External Sensor Mode.
... ... @@ -1106,7 +1106,6 @@
1106 1106  
1107 1107  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1108 1108  
1109 -
1110 1110  (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1111 1111  
1112 1112  Total bytes: 2 ~~ 5 bytes
... ... @@ -1117,35 +1117,34 @@
1117 1117  
1118 1118  * 0xA209: Same as AT+EXT=9
1119 1119  
1120 -* 0xA20702003c: Same as AT+SETCNT=60
1012 +* 0xA20702003c,Same as AT+SETCNT=60
1121 1121  
1014 +
1015 +
1122 1122  == 4.3 Enable/Disable uplink Temperature probe ID ==
1123 1123  
1124 -(((
1125 1125  Feature: If PID is enabled, device will send the temperature probe ID on:
1126 -)))
1127 1127  
1128 -* (((
1129 -First Packet after OTAA Join
1130 -)))
1131 -* (((
1132 -Every 24 hours since the first packet.
1133 -)))
1020 +* First Packet after OTAA Join
1021 +* Every 24 hours since the first packet.
1134 1134  
1135 -(((
1136 1136  PID is default set to disable (0)
1137 -)))
1138 1138  
1025 +
1139 1139  (% style="color:#4f81bd" %)**AT Command:**
1140 1140  
1028 +
1141 1141  [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1142 1142  
1143 1143  
1144 1144  (% style="color:#4f81bd" %)**Downlink Command:**
1145 1145  
1146 -* **0xA800**  **~-~->** AT+PID=0
1147 -* **0xA801**     **~-~->** AT+PID=1
1148 1148  
1035 +* 0xA800  **~-~->** AT+PID=0
1036 +* 0xA801     **~-~->** AT+PID=1
1037 +
1038 +
1039 +
1149 1149  == 4.4 Set Password ==
1150 1150  
1151 1151  Feature: Set device password, max 9 digits
... ... @@ -1152,9 +1152,11 @@
1152 1152  
1153 1153  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1154 1154  
1046 +
1155 1155  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1156 1156  
1157 1157  
1050 +
1158 1158  (% style="color:#4f81bd" %)**Downlink Command:**
1159 1159  
1160 1160  No downlink command for this feature.
... ... @@ -1163,13 +1163,17 @@
1163 1163  
1164 1164  == 4.5 Quit AT Command ==
1165 1165  
1059 +
1166 1166  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1167 1167  
1062 +
1168 1168  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1169 1169  
1065 +
1170 1170  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1171 1171  
1172 1172  
1069 +
1173 1173  (% style="color:#4f81bd" %)**Downlink Command:**
1174 1174  
1175 1175  No downlink command for this feature.
... ... @@ -1178,31 +1178,40 @@
1178 1178  
1179 1179  == 4.6 Set to sleep mode ==
1180 1180  
1078 +
1181 1181  Feature: Set device to sleep mode
1182 1182  
1183 -* **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1184 -* **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1081 +* AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1082 +* AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1185 1185  
1186 1186  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1187 1187  
1086 +
1188 1188  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1189 1189  
1190 1190  
1090 +
1191 1191  (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1192 1192  
1093 +
1193 1193  * There is no downlink command to set to Sleep mode.
1194 1194  
1195 1195  == 4.7 Set system time ==
1196 1196  
1098 +
1197 1197  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1198 1198  
1101 +
1199 1199  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1200 1200  
1104 +
1201 1201  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1202 1202  
1203 1203  
1108 +
1204 1204  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1205 1205  
1111 +
1206 1206  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1207 1207  
1208 1208  
... ... @@ -1209,13 +1209,10 @@
1209 1209  
1210 1210  == 4.8 Set Time Sync Mode ==
1211 1211  
1212 -(((
1118 +
1213 1213  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1214 -)))
1215 1215  
1216 -(((
1217 1217  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1218 -)))
1219 1219  
1220 1220  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1221 1221  
... ... @@ -1222,6 +1222,7 @@
1222 1222  [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1223 1223  
1224 1224  
1128 +
1225 1225  (% style="color:#4f81bd" %)**Downlink Command:**
1226 1226  
1227 1227  0x28 01 ~/~/ Same As AT+SYNCMOD=1
... ... @@ -1231,30 +1231,39 @@
1231 1231  
1232 1232  == 4.9 Set Time Sync Interval ==
1233 1233  
1138 +
1234 1234  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1235 1235  
1141 +
1236 1236  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1237 1237  
1144 +
1238 1238  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1239 1239  
1240 1240  
1148 +
1241 1241  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1242 1242  
1243 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1244 1244  
1152 +0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1245 1245  
1246 1246  
1155 +
1247 1247  == 4.10 Print data entries base on page. ==
1248 1248  
1249 1249  Feature: Print the sector data from start page to stop page (max is 416 pages).
1250 1250  
1160 +
1251 1251  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1252 1252  
1163 +
1253 1253  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1254 1254  
1255 1255  
1167 +
1256 1256  (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1257 1257  
1170 +
1258 1258  No downlink commands for feature
1259 1259  
1260 1260  
... ... @@ -1263,8 +1263,10 @@
1263 1263  
1264 1264  Feature: Print the last few data entries
1265 1265  
1179 +
1266 1266  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1267 1267  
1182 +
1268 1268  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1269 1269  
1270 1270  
... ... @@ -1288,6 +1288,9 @@
1288 1288  
1289 1289  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1290 1290  
1206 +
1207 +
1208 +
1291 1291  == 4.13 Auto Send None-ACK messages ==
1292 1292  
1293 1293  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1306,6 +1306,8 @@
1306 1306  
1307 1307  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1308 1308  
1227 +
1228 +
1309 1309  = 5. Battery & How to replace =
1310 1310  
1311 1311  == 5.1 Battery Type ==
... ... @@ -1711,6 +1711,9 @@
1711 1711  
1712 1712  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1713 1713  
1634 +
1635 +
1636 +
1714 1714  = 8. Packing Info =
1715 1715  
1716 1716  
... ... @@ -1717,17 +1717,23 @@
1717 1717  **Package Includes**:
1718 1718  
1719 1719  * LHT65N Temperature & Humidity Sensor x 1
1720 -* Optional external sensor
1721 1721  
1644 +*Optional external sensor
1645 +
1646 +
1722 1722  **Dimension and weight**:
1723 1723  
1724 1724  * Device Size:  10 x 10 x 3.5 cm
1650 +
1725 1725  * Device Weight: 120.5g
1726 1726  
1653 +
1654 +
1727 1727  = 9. Reference material =
1728 1728  
1729 1729  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1730 1730  
1659 +
1731 1731  = 10. FCC Warning =
1732 1732  
1733 1733  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: