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

From version 210.11
edited by Xiaoling
on 2022/10/26 17:02
Change comment: There is no comment for this version
To version 223.2
edited by Xiaoling
on 2022/12/02 15:11
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -16,7 +16,6 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 -
20 20  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
21 21  
22 22  
... ... @@ -45,7 +45,6 @@
45 45  )))
46 46  
47 47  
48 -
49 49  == 1.2 Features ==
50 50  
51 51  
... ... @@ -61,6 +61,8 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
62 +
63 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,9 +85,10 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 -= 2. Connect LHT65N to IoT Server =
89 89  
90 90  
90 += 2. Connect LHT65N to IoT Server =
91 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
93 93  
... ... @@ -100,7 +100,6 @@
100 100  )))
101 101  
102 102  
103 -
104 104  == 2.2 How to Activate LHT65N? ==
105 105  
106 106  
... ... @@ -109,7 +109,7 @@
109 109  )))
110 110  
111 111  * (((
112 -(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesnt have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
112 +(% 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.
113 113  )))
114 114  * (((
115 115  (% 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. 
... ... @@ -125,7 +125,6 @@
125 125  [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
126 126  
127 127  
128 -
129 129  == 2.3 Example to join LoRaWAN network ==
130 130  
131 131  
... ... @@ -142,7 +142,6 @@
142 142  )))
143 143  
144 144  
145 -
146 146  === 2.3.1 Step 1: Create Device n TTN ===
147 147  
148 148  
... ... @@ -183,8 +183,6 @@
183 183  [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
184 184  
185 185  
186 -
187 -
188 188  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
189 189  
190 190  
... ... @@ -195,7 +195,6 @@
195 195  [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
196 196  
197 197  
198 -
199 199  == 2.4 Uplink Payload   ( Fport~=2) ==
200 200  
201 201  
... ... @@ -243,6 +243,8 @@
243 243  * The 7th byte (EXT #): defines the external sensor model.
244 244  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won't be these four bytes.)
245 245  
241 +
242 +
246 246  === 2.4.1 Decoder in TTN V3 ===
247 247  
248 248  
... ... @@ -254,7 +254,6 @@
254 254  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
255 255  
256 256  
257 -
258 258  === 2.4.2 BAT-Battery Info ===
259 259  
260 260  
... ... @@ -271,6 +271,8 @@
271 271  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
272 272  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
273 273  
270 +
271 +
274 274  === 2.4.3 Built-in Temperature ===
275 275  
276 276  
... ... @@ -282,6 +282,8 @@
282 282  
283 283  * Temperature:  (0xF5C6-65536)/100=-26.18℃
284 284  
283 +
284 +
285 285  === 2.4.4 Built-in Humidity ===
286 286  
287 287  
... ... @@ -289,6 +289,8 @@
289 289  
290 290  * Humidity:    0x025C/10=60.4%
291 291  
292 +
293 +
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
... ... @@ -297,10 +297,8 @@
297 297  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
298 298  
299 299  
300 -
301 301  === 2.4.6 Ext value ===
302 302  
303 -
304 304  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
305 305  
306 306  
... ... @@ -311,6 +311,8 @@
311 311  
312 312  The last 2 bytes of data are meaningless
313 313  
314 +
315 +
314 314  [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
315 315  
316 316  
... ... @@ -321,7 +321,6 @@
321 321  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
322 322  
323 323  
324 -
325 325  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
326 326  
327 327  
... ... @@ -385,6 +385,8 @@
385 385  * (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
386 386  * (% style="color:blue" %)**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)
387 387  
389 +
390 +
388 388  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
389 389  
390 390  
... ... @@ -433,7 +433,6 @@
433 433  [[image:image-20220628151143-7.png]]
434 434  
435 435  
436 -
437 437  ==== 2.4.6.4 Ext~=2 TMP117 Sensor (Since Firmware v1.3) ====
438 438  
439 439  
... ... @@ -450,7 +450,6 @@
450 450  The external cable NE2 can be use for MOD4 and MOD8
451 451  
452 452  
453 -
454 454  ==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ====
455 455  
456 456  
... ... @@ -497,8 +497,6 @@
497 497  [[image:image-20220906101145-3.png]]
498 498  
499 499  
500 -
501 -
502 502  ==== 2.4.6.6 Ext~=8 Counting Mode(Since Firmware v1.3) ====
503 503  
504 504  
... ... @@ -550,7 +550,6 @@
550 550  A2 08 02 00 00 00 3C:  Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
551 551  
552 552  
553 -
554 554  == 2.5 Show data on Datacake ==
555 555  
556 556  
... ... @@ -598,7 +598,6 @@
598 598  [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
599 599  
600 600  
601 -
602 602  == 2.6 Datalog Feature ==
603 603  
604 604  
... ... @@ -607,7 +607,6 @@
607 607  )))
608 608  
609 609  
610 -
611 611  === 2.6.1 Ways to get datalog via LoRaWAN ===
612 612  
613 613  
... ... @@ -618,6 +618,7 @@
618 618  
619 619  (% style="color:blue" %)**Method 2: **(%%)Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
620 620  
617 +
621 621  (% style="color:red" %)**Note for method 2:**
622 622  
623 623  * a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
... ... @@ -645,10 +645,10 @@
645 645  
646 646  [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
647 647  
645 +
648 648  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
649 649  
650 650  
651 -
652 652  === 2.6.3 Set Device Time ===
653 653  
654 654  
... ... @@ -672,10 +672,8 @@
672 672  (% 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.**
673 673  )))
674 674  
675 -(((
676 -
677 -)))
678 678  
673 +
679 679  (((
680 680  **2. Manually Set Time**
681 681  )))
... ... @@ -685,7 +685,6 @@
685 685  )))
686 686  
687 687  
688 -
689 689  === 2.6.4 Poll sensor value ===
690 690  
691 691  
... ... @@ -703,7 +703,6 @@
703 703  Uplink Internal =5s,means LHT65N will send one packet every 5s. range 5~~255s.
704 704  
705 705  
706 -
707 707  === 2.6.5 Datalog Uplink payload ===
708 708  
709 709  
... ... @@ -719,7 +719,6 @@
719 719  
720 720  **Poll message flag & Ext:**
721 721  
722 -
723 723  [[image:image-20221006192726-1.png||height="112" width="754"]]
724 724  
725 725  (% style="color:blue" %)**No ACK Message**(%%):  1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]] feature)
... ... @@ -730,7 +730,6 @@
730 730  
731 731  * Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
732 732  
733 -
734 734  For example, in US915 band, the max payload for different DR is:
735 735  
736 736  (% style="color:blue" %)**a) DR0:** (%%)max is 11 bytes so one entry of data
... ... @@ -763,7 +763,7 @@
763 763  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
764 764  
765 765  
766 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
757 +__**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
767 767  
768 768  Where the first 11 bytes is for the first entry:
769 769  
... ... @@ -771,19 +771,18 @@
771 771  
772 772  Ext sensor data=0x7FFF/100=327.67
773 773  
774 -Temp=0x0898/100=22.00
765 +Temp=0x088E/100=22.00
775 775  
776 -Hum=0x0146/10=32.6
767 +Hum=0x014B/10=32.6
777 777  
778 778  poll message flag & Ext=0x41,means reply data,Ext=1
779 779  
780 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
771 +Unix time is 0x60066009=1611030423s=21/1/19 04:27:03
781 781  
782 782  
774 +== 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
783 783  
784 -== 2.7 Alarm Mode ==
785 785  
786 -
787 787  (((
788 788  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.
789 789  )))
... ... @@ -792,14 +792,15 @@
792 792  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
793 793  
794 794  
795 -
796 796  === 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
797 797  
798 798  
788 +**Internal GXHT30 temperature alarm(Acquisition time: fixed at one minute)**
789 +
799 799  (((
800 800  (% class="box infomessage" %)
801 801  (((
802 -**AT+WMOD=3,**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
793 +**AT+WMOD=3**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
803 803  
804 804  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
805 805  
... ... @@ -813,15 +813,120 @@
813 813  )))
814 814  )))
815 815  
807 +(% style="color:#4f81bd" %)**Downlink Command:**
816 816  
817 -
809 +AT+WMOD=1:  A501  ,  AT+WMOD=0 :  A600
810 +
811 +AT+CITEMP=1 : A60001
812 +
813 +AT+ARTEMP=1,60  :  A70001003C
814 +
815 +AT+ARTEMP=-16,60 :  A7FFF0003C
816 +
817 +AT+LEDALARM=1  :  3601
818 +
819 +
820 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
821 +
822 +Total bytes: 8 bytes
823 +
824 +**Example: **AA0100010001003C
825 +
826 +WMOD=01
827 +
828 +CITEMP=0001
829 +
830 +TEMPlow=0001
831 +
832 +TEMPhigh=003C
833 +
834 +
835 +**DS18B20 and TMP117 Threshold Alarm**
836 +
837 +**~ AT+WMOD=1,60,-10,20**
838 +
839 +(% style="color:#4f81bd" %)**Downlink Command:**
840 +
841 +**Example: **A5013CFC180014
842 +
843 +MOD=01
844 +
845 +CITEMP=3C(S)
846 +
847 +TEMPlow=FC18
848 +
849 +TEMPhigh=0014
850 +
851 +
852 +**Fluctuation alarm for DS18B20 and TMP117(Acquisition time: minimum 1s)**
853 +
854 +**AT+WMOD=2,60,5** 
855 +
856 +(% style="color:#4f81bd" %)**Downlink Command:**
857 +
858 +**Example: **A5023C05
859 +
860 +MOD=02
861 +
862 +CITEMP=3C(S)
863 +
864 +temperature fluctuation=05
865 +
866 +
867 +==== **Sampling multiple times and uplink together** ====
868 +
869 +**AT+WMOD=3,1,60,20,-16,32,1**   
870 +
871 +Explain:
872 +
873 +* Set Working Mode to **Mode 3**
874 +* Sampling Interval is **60**s.
875 +* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
876 +* Temperature alarm range is **-16** to **32**°C,
877 +* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
878 +
879 +(% style="color:#4f81bd" %)**Downlink Command:**
880 +
881 +**Example: **A50301003C14FFF0002001
882 +
883 +MOD=03
884 +
885 +EXT=01
886 +
887 +CITEMP=003C(S)
888 +
889 +Total number of acquisitions=14
890 +
891 +TEMPlow=FFF0
892 +
893 +TEMPhigh=0020
894 +
895 +ARTEMP=01
896 +
897 +
898 +**Uplink payload( Fport=3)**
899 +
900 +**Example: CBEA**01**0992**//0A41//**09C4**
901 +
902 +BatV=CBEA
903 +
904 +EXT=01
905 +
906 +Temp1=0992  ~/~/ 24.50℃
907 +
908 +Temp2=0A41  ~/~/ 26.25℃
909 +
910 +Temp3=09C4  ~/~/ 25.00℃
911 +
912 +
913 +(% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
914 +
915 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
818 818  )))
819 819  
820 -(((
918 +
821 821  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
822 822  
823 -
824 -)))
825 825  
826 826  (% _mstvisible="1" class="box infomessage" %)
827 827  (((
... ... @@ -861,7 +861,6 @@
861 861  TEMPhigh=003C
862 862  
863 863  
864 -
865 865  == 2.8 LED Indicator ==
866 866  
867 867  
... ... @@ -876,6 +876,8 @@
876 876  * RED LED when external sensor is not connected
877 877  * For each success downlink, the PURPLE LED will blink once
878 878  
974 +
975 +
879 879  == 2.9 installation ==
880 880  
881 881  
... ... @@ -883,10 +883,8 @@
883 883  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
884 884  
885 885  
886 -
887 887  = 3. Sensors and Accessories =
888 888  
889 -
890 890  == 3.1 E2 Extension Cable ==
891 891  
892 892  
... ... @@ -917,8 +917,6 @@
917 917  [[image:image-20220619092421-3.png||height="371" width="529"]]
918 918  
919 919  
920 -
921 -
922 922  == 3.2 E3 Temperature Probe ==
923 923  
924 924  
... ... @@ -933,6 +933,8 @@
933 933  * Operating Range: -40 ~~ 125 °C
934 934  * Working voltage 2.35v ~~ 5v
935 935  
1029 +
1030 +
936 936  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
937 937  
938 938  
... ... @@ -980,7 +980,6 @@
980 980  )))
981 981  
982 982  
983 -
984 984  == 4.1 Set Transmit Interval Time ==
985 985  
986 986  
... ... @@ -1002,6 +1002,8 @@
1002 1002  
1003 1003  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1004 1004  
1099 +
1100 +
1005 1005  == 4.2 Set External Sensor Mode ==
1006 1006  
1007 1007  
... ... @@ -1025,6 +1025,8 @@
1025 1025  
1026 1026  * 0xA20702003c: Same as AT+SETCNT=60
1027 1027  
1124 +
1125 +
1028 1028  == 4.3 Enable/Disable uplink Temperature probe ID ==
1029 1029  
1030 1030  
... ... @@ -1055,6 +1055,8 @@
1055 1055  * **0xA800**  **~-~->** AT+PID=0
1056 1056  * **0xA801**     **~-~->** AT+PID=1
1057 1057  
1156 +
1157 +
1058 1058  == 4.4 Set Password ==
1059 1059  
1060 1060  
... ... @@ -1071,7 +1071,6 @@
1071 1071  No downlink command for this feature.
1072 1072  
1073 1073  
1074 -
1075 1075  == 4.5 Quit AT Command ==
1076 1076  
1077 1077  
... ... @@ -1088,7 +1088,6 @@
1088 1088  No downlink command for this feature.
1089 1089  
1090 1090  
1091 -
1092 1092  == 4.6 Set to sleep mode ==
1093 1093  
1094 1094  
... ... @@ -1106,6 +1106,8 @@
1106 1106  
1107 1107  * There is no downlink command to set to Sleep mode.
1108 1108  
1207 +
1208 +
1109 1109  == 4.7 Set system time ==
1110 1110  
1111 1111  
... ... @@ -1122,7 +1122,6 @@
1122 1122  0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1123 1123  
1124 1124  
1125 -
1126 1126  == 4.8 Set Time Sync Mode ==
1127 1127  
1128 1128  
... ... @@ -1147,7 +1147,6 @@
1147 1147  0x28 00  ~/~/  Same As AT+SYNCMOD=0
1148 1148  
1149 1149  
1150 -
1151 1151  == 4.9 Set Time Sync Interval ==
1152 1152  
1153 1153  
... ... @@ -1164,7 +1164,6 @@
1164 1164  **0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1165 1165  
1166 1166  
1167 -
1168 1168  == 4.10 Print data entries base on page. ==
1169 1169  
1170 1170  
... ... @@ -1181,7 +1181,6 @@
1181 1181  No downlink commands for feature
1182 1182  
1183 1183  
1184 -
1185 1185  == 4.11 Print last few data entries. ==
1186 1186  
1187 1187  
... ... @@ -1198,7 +1198,6 @@
1198 1198  No downlink commands for feature
1199 1199  
1200 1200  
1201 -
1202 1202  == 4.12 Clear Flash Record ==
1203 1203  
1204 1204  
... ... @@ -1226,9 +1226,9 @@
1226 1226  
1227 1227  The default factory setting is 0
1228 1228  
1229 -(% border="1" style="background-color:#ffffcc; color:green; width:240px" %)
1230 -|=(% _mstvisible="4" style="width: 70px;" %)**Command Example**|=(% style="width: 120px;" %)**Function**|=(% style="width: 50px;" %)**Response**
1231 -|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:88px" %)OK
1324 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:367px" %)
1325 +|=(% style="width: 158px;" %)**Command Example**|=(% style="width: 118px;" %)**Function**|=(% style="width: 87px;" %)**Response**
1326 +|(% style="width:158px" %)AT+PNACKMD=1|(% style="width:118px" %)Poll None-ACK message|(% style="width:87px" %)OK
1232 1232  
1233 1233  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1234 1234  
... ... @@ -1236,17 +1236,15 @@
1236 1236  
1237 1237  
1238 1238  
1334 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1239 1239  
1240 -== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1241 1241  
1242 -
1243 1243  Feature: Set internal and external temperature sensor alarms.
1244 1244  
1245 -(% border="1" style="background-color:#ffffcc; color:green; width:500px" %)
1246 -|(% style="width:350px" %)**Command Example**|(% style="width:100px" %)**Function**|(% style="width:50px" %)**Response**
1247 -|(% style="width:271px" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|(% style="width:462px" %)Set internal and external temperature sensor alarms|(% style="width:181px" %)OK
1339 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
1340 +|=(% style="width: 250px;" %)**Command Example**|=(% style="width: 200px;" %)**Function**|=(% style="width: 50px;" %)**Response**
1341 +|(% style="width:268px" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|(% style="width:255px" %)Set internal and external temperature sensor alarms|(% style="width:181px" %)OK
1248 1248  
1249 -
1250 1250  (% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
1251 1251  
1252 1252  (% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
... ... @@ -1283,39 +1283,32 @@
1283 1283  
1284 1284  0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
1285 1285  
1379 +0XA5 01 0A F9 C0 29 04 ~-~-AT+WMOD=1,10,-16,105(Need to convert -16 to -1600 for calculation,-1600(DEC)=FFFFFFFFFFFFF9C0(HEX)  FFFFFFFFFFFFF9C0(HEX) +10000(HEX)=F9C0(HEX))
1380 +
1286 1286  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1287 1287  
1288 1288  0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
1289 1289  
1290 1290  
1291 -
1292 1292  = 5. Battery & How to replace =
1293 1293  
1294 -
1295 1295  == 5.1 Battery Type ==
1296 1296  
1297 1297  
1298 1298  (((
1299 -(((
1300 1300  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1301 1301  )))
1302 -)))
1303 1303  
1304 1304  (((
1305 -
1306 -)))
1307 -
1308 -(((
1309 -(((
1310 1310  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1397 +
1398 +
1311 1311  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1312 1312  )))
1313 -)))
1314 1314  
1315 1315  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1316 1316  
1317 1317  
1318 -
1319 1319  == 5.2 Replace Battery ==
1320 1320  
1321 1321  
... ... @@ -1332,9 +1332,6 @@
1332 1332  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
1333 1333  )))
1334 1334  
1335 -(((
1336 -
1337 -)))
1338 1338  
1339 1339  (((
1340 1340  A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
... ... @@ -1341,10 +1341,8 @@
1341 1341  )))
1342 1342  
1343 1343  
1344 -
1345 1345  = 6. FAQ =
1346 1346  
1347 -
1348 1348  == 6.1 How to use AT Command? ==
1349 1349  
1350 1350  
... ... @@ -1565,7 +1565,6 @@
1565 1565  AT+PID:  Get or set the PID
1566 1566  
1567 1567  
1568 -
1569 1569  == 6.2 Where to use AT commands and Downlink commands ==
1570 1570  
1571 1571  
... ... @@ -1605,7 +1605,6 @@
1605 1605  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1606 1606  
1607 1607  
1608 -
1609 1609  == 6.3 How to change the uplink interval? ==
1610 1610  
1611 1611  
... ... @@ -1612,7 +1612,6 @@
1612 1612  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]]
1613 1613  
1614 1614  
1615 -
1616 1616  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1617 1617  
1618 1618  
... ... @@ -1631,7 +1631,6 @@
1631 1631  [[image:image-20220615154519-3.png||height="672" width="807"]]
1632 1632  
1633 1633  
1634 -
1635 1635  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1636 1636  
1637 1637  
... ... @@ -1674,7 +1674,6 @@
1674 1674  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1675 1675  
1676 1676  
1677 -
1678 1678  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1679 1679  
1680 1680  
... ... @@ -1694,7 +1694,6 @@
1694 1694  [[image:image-20220615154519-3.png||height="672" width="807"]]
1695 1695  
1696 1696  
1697 -
1698 1698  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1699 1699  
1700 1700  
... ... @@ -1716,7 +1716,7 @@
1716 1716  [[image:image-20220623113959-5.png||height="528" width="397"]]
1717 1717  
1718 1718  (% _msthash="506146" _msttexthash="52173160" %)
1719 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1794 +Connect A8 and GND with Dupont wire for a while and then separate,enter reset mode
1720 1720  
1721 1721  
1722 1722  
... ... @@ -1733,10 +1733,9 @@
1733 1733  [[image:image-20220620160723-8.png]]
1734 1734  
1735 1735  
1736 -Finally,restart reset device again
1811 +Finally,Disconnect 3.3v,Connect A8 and GND with Dupont wire for a while and then separate,exit reset mode
1737 1737  
1738 1738  
1739 -
1740 1740  = 7. Order Info =
1741 1741  
1742 1742  
... ... @@ -1757,6 +1757,7 @@
1757 1757  
1758 1758  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1759 1759  
1834 +
1760 1760  = 8. Packing Info =
1761 1761  
1762 1762  
... ... @@ -1767,14 +1767,16 @@
1767 1767  
1768 1768  **Dimension and weight**:
1769 1769  
1770 -* Device Size:  10 x 10 x 3.5 cm
1845 +* Device Size:  10 x 10 x 3.5 mm
1771 1771  * Device Weight: 120.5g
1772 1772  
1848 +
1773 1773  = 9. Reference material =
1774 1774  
1775 1775  
1776 1776  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1777 1777  
1854 +
1778 1778  = 10. FCC Warning =
1779 1779  
1780 1780