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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.31
edited by Xiaoling
on 2022/06/22 11:23
Change comment: There is no comment for this version
To version 170.24
edited by Xiaoling
on 2022/06/22 11:15
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -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 -)))
98 +* (% 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.
99 +* (% 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"]]
... ... @@ -267,8 +267,6 @@
267 267  
268 268  
269 269  
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.
... ... @@ -300,9 +300,6 @@
300 300  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
301 301  
302 302  
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"]]
... ... @@ -313,10 +313,6 @@
313 313  
314 314  * Temperature:  (0xF5C6-65536)/100=-26.18℃
315 315  
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"]]
... ... @@ -323,10 +323,6 @@
323 323  
324 324  * Humidity:    0x025C/10=60.4%
325 325  
326 -
327 -
328 -
329 -
330 330  === 2.4.5 Ext # ===
331 331  
332 332  Bytes for External Sensor:
... ... @@ -480,9 +480,6 @@
480 480  * Unix Time Request:  1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
481 481  
482 482  
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
... ... @@ -559,8 +559,6 @@
559 559  
560 560  
561 561  
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 -(((
974 974  (% 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 -)))
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  
... ... @@ -1017,6 +1017,8 @@
1017 1017  * RED LED when external sensor is not connected
1018 1018  * For each success downlink, the PURPLE LED will blink once
1019 1019  
919 +
920 +
1020 1020  == 2.9 installation ==
1021 1021  
1022 1022  (% _mstvisible="1" %)
... ... @@ -1051,6 +1051,8 @@
1051 1051  * Operating Range: -40 ~~ 125 °C
1052 1052  * Working voltage 2.35v ~~ 5v
1053 1053  
955 +
956 +
1054 1054  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1055 1055  
1056 1056  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
... ... @@ -1115,6 +1115,7 @@
1115 1115  
1116 1116  * 0xA20702003c: Same as AT+SETCNT=60
1117 1117  
1021 +
1118 1118  == 4.3 Enable/Disable uplink Temperature probe ID ==
1119 1119  
1120 1120  (((
... ... @@ -1142,6 +1142,7 @@
1142 1142  * **0xA800**  **~-~->** AT+PID=0
1143 1143  * **0xA801**     **~-~->** AT+PID=1
1144 1144  
1049 +
1145 1145  == 4.4 Set Password ==
1146 1146  
1147 1147  Feature: Set device password, max 9 digits
... ... @@ -1188,6 +1188,8 @@
1188 1188  
1189 1189  * There is no downlink command to set to Sleep mode.
1190 1190  
1096 +
1097 +
1191 1191  == 4.7 Set system time ==
1192 1192  
1193 1193  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1284,6 +1284,8 @@
1284 1284  
1285 1285  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1286 1286  
1194 +
1195 +
1287 1287  == 4.13 Auto Send None-ACK messages ==
1288 1288  
1289 1289  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1302,6 +1302,7 @@
1302 1302  
1303 1303  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1304 1304  
1214 +
1305 1305  = 5. Battery & How to replace =
1306 1306  
1307 1307  == 5.1 Battery Type ==
... ... @@ -1707,6 +1707,8 @@
1707 1707  
1708 1708  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1709 1709  
1620 +
1621 +
1710 1710  = 8. Packing Info =
1711 1711  
1712 1712  
... ... @@ -1720,6 +1720,7 @@
1720 1720  * Device Size:  10 x 10 x 3.5 cm
1721 1721  * Device Weight: 120.5g
1722 1722  
1635 +
1723 1723  = 9. Reference material =
1724 1724  
1725 1725  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]