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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.22
edited by Xiaoling
on 2022/06/22 11:07
Change comment: There is no comment for this version
To version 189.4
edited by Xiaoling
on 2022/07/22 10:34
Change comment: There is no comment for this version

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... ... @@ -18,17 +18,30 @@
18 18  
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 +
22 +(((
21 21  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 +)))
22 22  
26 +(((
23 23  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 +)))
24 24  
30 +(((
25 25  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
32 +)))
26 26  
34 +(((
27 27  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
36 +)))
28 28  
38 +(((
29 29  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 +)))
30 30  
42 +(((
31 31  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
44 +)))
32 32  
33 33  
34 34  == 1.2 Features ==
... ... @@ -73,19 +73,31 @@
73 73  
74 74  == 2.1 How does LHT65N work? ==
75 75  
89 +(((
76 76  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.
91 +)))
77 77  
93 +(((
78 78  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.
95 +)))
79 79  
80 80  
81 81  == 2.2 How to Activate LHT65N? ==
82 82  
100 +(((
83 83  The LHT65N has two working modes:
102 +)))
84 84  
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. 
104 +* (((
105 +(% 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.
106 +)))
107 +* (((
108 +(% 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. 
109 +)))
87 87  
111 +(((
88 88  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
113 +)))
89 89  
90 90  
91 91  [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
... ... @@ -135,9 +135,10 @@
135 135  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
136 136  
137 137  
138 -Note: LHT65N use same payload as LHT65.
139 139  
164 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
140 140  
166 +
141 141  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
142 142  
143 143  
... ... @@ -240,7 +240,6 @@
240 240  
241 241  
242 242  
243 -
244 244  === 2.4.1 Decoder in TTN V3 ===
245 245  
246 246  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.
... ... @@ -284,6 +284,7 @@
284 284  * Temperature:  (0xF5C6-65536)/100=-26.18℃
285 285  
286 286  
312 +
287 287  === 2.4.4 Built-in Humidity ===
288 288  
289 289  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -291,6 +291,7 @@
291 291  * Humidity:    0x025C/10=60.4%
292 292  
293 293  
320 +
294 294  === 2.4.5 Ext # ===
295 295  
296 296  Bytes for External Sensor:
... ... @@ -437,14 +437,15 @@
437 437  
438 438  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
439 439  
440 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
467 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
468 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
469 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
441 441  
442 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
443 -* 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.
444 -* 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)
471 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
472 +* (% 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.
473 +* (% 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)
445 445  
446 446  
447 -
448 448  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
449 449  
450 450  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -455,8 +455,43 @@
455 455  
456 456  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
457 457  
486 +For example:
458 458  
488 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
459 459  
490 +
491 +Or use **downlink command A2** to set the same.
492 +
493 +The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
494 +
495 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
496 +
497 +[[image:image-20220628150112-1.png||height="241" width="285"]]
498 +
499 +
500 +When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
501 +
502 +[[image:image-20220628150714-4.png]]
503 +
504 +
505 +When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
506 +
507 +1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
508 +
509 +[[image:image-20220628151005-5.png]]
510 +
511 +
512 +2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
513 +
514 +[[image:image-20220628151056-6.png]]
515 +
516 +
517 +3) Within range
518 +
519 +[[image:image-20220628151143-7.png]]
520 +
521 +
522 +
460 460  == 2.5 Show data on Datacake ==
461 461  
462 462  (((
... ... @@ -516,10 +516,12 @@
516 516  
517 517  There are two methods:
518 518  
519 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
520 -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.
582 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
583 +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 the network recovery.
521 521  
585 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
522 522  
587 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
523 523  
524 524  
525 525  === 2.6.2 Unix TimeStamp ===
... ... @@ -544,20 +544,37 @@
544 544  
545 545  === 2.6.3 Set Device Time ===
546 546  
612 +(((
547 547  There are two ways to set device's time:
614 +)))
548 548  
616 +(((
549 549  **~1. Through LoRaWAN MAC Command (Default settings)**
618 +)))
550 550  
620 +(((
551 551  User need to set SYNCMOD=1 to enable sync time via MAC command.
622 +)))
552 552  
624 +(((
553 553  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).
626 +)))
554 554  
628 +(((
555 555  (% 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.
630 +)))
556 556  
632 +(((
633 +
634 +)))
557 557  
636 +(((
558 558  **2. Manually Set Time**
638 +)))
559 559  
640 +(((
560 560  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
642 +)))
561 561  
562 562  
563 563  
... ... @@ -724,9 +724,11 @@
724 724  (% _mstvisible="2" %)
725 725  (((
726 726  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
809 +(((
727 727  Poll Message Flag: 1: This message is a poll message reply.
728 728  )))
729 729  )))
813 +)))
730 730  
731 731  (% _mstvisible="1" %)
732 732  * (% _mstvisible="3" %)
... ... @@ -734,17 +734,21 @@
734 734  (% _mstvisible="4" %)
735 735  (((
736 736  (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
821 +(((
737 737  Poll Message Flag is set to 1.
738 738  )))
739 739  )))
825 +)))
740 740  * (% _mstvisible="3" %)
741 741  (((
742 742  (% _mstvisible="4" %)
743 743  (((
744 744  (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
831 +(((
745 745  Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
746 746  )))
747 747  )))
835 +)))
748 748  
749 749  (% _mstvisible="1" %)
750 750  (((
... ... @@ -751,12 +751,16 @@
751 751  (% _mstvisible="2" %)
752 752  (((
753 753  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
842 +(((
754 754  
844 +)))
755 755  
756 756  (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
847 +(((
757 757  For example, in US915 band, the max payload for different DR is:
758 758  )))
759 759  )))
851 +)))
760 760  
761 761  (% _mstvisible="1" %)
762 762  (((
... ... @@ -763,9 +763,11 @@
763 763  (% _mstvisible="2" %)
764 764  (((
765 765  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
858 +(((
766 766  a) DR0: max is 11 bytes so one entry of data
767 767  )))
768 768  )))
862 +)))
769 769  
770 770  (% _mstvisible="1" %)
771 771  (((
... ... @@ -772,9 +772,11 @@
772 772  (% _mstvisible="2" %)
773 773  (((
774 774  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
869 +(((
775 775  b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
776 776  )))
777 777  )))
873 +)))
778 778  
779 779  (% _mstvisible="1" %)
780 780  (((
... ... @@ -781,9 +781,11 @@
781 781  (% _mstvisible="2" %)
782 782  (((
783 783  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
880 +(((
784 784  c) DR2: total payload includes 11 entries of data
785 785  )))
786 786  )))
884 +)))
787 787  
788 788  (% _mstvisible="1" %)
789 789  (((
... ... @@ -790,9 +790,11 @@
790 790  (% _mstvisible="2" %)
791 791  (((
792 792  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
891 +(((
793 793  d) DR3: total payload includes 22 entries of data.
794 794  )))
795 795  )))
895 +)))
796 796  
797 797  (% _mstvisible="1" %)
798 798  (((
... ... @@ -799,9 +799,11 @@
799 799  (% _mstvisible="2" %)
800 800  (((
801 801  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
902 +(((
802 802  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
803 803  )))
804 804  )))
906 +)))
805 805  
806 806  
807 807  (% _mstvisible="1" style="text-align: left;" %)
... ... @@ -847,55 +847,99 @@
847 847  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
848 848  
849 849  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
952 +(((
850 850  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
954 +)))
851 851  
852 852  (% _msthash="315237" _msttexthash="1385839" %)
957 +(((
853 853  Where the first 11 bytes is for the first entry:
959 +)))
854 854  
855 855  (% _msthash="315238" _msttexthash="274846" %)
962 +(((
856 856  7FFF089801464160065F97
964 +)))
857 857  
858 858  (% _msthash="315239" _msttexthash="617435" %)
967 +(((
859 859  Ext sensor data=0x7FFF/100=327.67
969 +)))
860 860  
861 861  (% _msthash="315240" _msttexthash="270543" %)
972 +(((
862 862  Temp=0x0898/100=22.00
974 +)))
863 863  
864 864  (% _msthash="315241" _msttexthash="211783" %)
977 +(((
865 865  Hum=0x0146/10=32.6
979 +)))
866 866  
867 867  (% _msthash="315242" _msttexthash="1569776" %)
982 +(((
868 868  poll message flag & Ext=0x41,means reply data,Ext=1
984 +)))
869 869  
870 870  (% _msthash="315243" _msttexthash="1120509" %)
987 +(((
871 871  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
989 +)))
872 872  
873 873  
874 874  
875 875  == 2.7 Alarm Mode ==
876 876  
995 +(((
877 877  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.
997 +)))
878 878  
999 +(((
879 879  (% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1001 +)))
880 880  
1003 +(((
881 881  **AT COMMAND FOR ALARM MODE:**
1005 +)))
882 882  
883 883  (% _mstvisible="1" class="box infomessage" %)
884 884  (((
1009 +(((
885 885  **AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1011 +)))
886 886  
1013 +(((
887 887  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1015 +)))
888 888  
1017 +(((
889 889  **AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1019 +)))
890 890  
1021 +(((
891 891  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1023 +)))
892 892  
1025 +(((
893 893  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
894 894  )))
1028 +)))
895 895  
1030 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
896 896  
1032 +Total bytes: 8 bytes
897 897  
1034 +**Example:**AA0100010001003C
898 898  
1036 +WMOD=01
1037 +
1038 +CITEMP=0001
1039 +
1040 +TEMPlow=0001
1041 +
1042 +TEMPhigh=003C
1043 +
1044 +
899 899  == 2.8 LED Indicator ==
900 900  
901 901  The LHT65 has a triple color LED which for easy showing different stage .
... ... @@ -905,13 +905,10 @@
905 905  In a normal working state:
906 906  
907 907  * For each uplink, the BLUE LED or RED LED will blink once.
908 - BLUE LED when external sensor is connected.
1054 +BLUE LED when external sensor is connected.
909 909  * RED LED when external sensor is not connected
910 910  * For each success downlink, the PURPLE LED will blink once
911 911  
912 -
913 -
914 -
915 915  == 2.9 installation ==
916 916  
917 917  (% _mstvisible="1" %)
... ... @@ -925,8 +925,24 @@
925 925  
926 926  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
927 927  
928 -1m long breakout cable for LHT65N
1071 +**1m long breakout cable for LHT65N. Features:**
929 929  
1073 +* (((
1074 +Use for AT Command， works for both LHT52/LHT65N
1075 +)))
1076 +* (((
1077 +Update firmware for LHT65N, works for both LHT52/LHT65N
1078 +)))
1079 +* (((
1080 +Supports ADC mode to monitor external ADC
1081 +)))
1082 +* (((
1083 +Supports Interrupt mode
1084 +)))
1085 +* (((
1086 +Exposed All pins from the LHT65N Type-C connector.
1087 +)))
1088 +
930 930  [[image:image-20220619092421-3.png||height="371" width="529"]]
931 931  
932 932  
... ... @@ -946,31 +946,50 @@
946 946  * Operating Range: -40 ~~ 125 °C
947 947  * Working voltage 2.35v ~~ 5v
948 948  
949 -
950 -
951 -
952 952  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
953 953  
1110 +(((
954 954  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1112 +)))
955 955  
956 -* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1114 +* (((
1115 +AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1116 +)))
957 957  
958 -* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1118 +* (((
1119 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1120 +)))
959 959  
1122 +(((
960 960  There are two kinds of commands to configure LHT65N, they are:
1124 +)))
961 961  
962 -* (% style="color:#4f81bd" %)**General Commands**.
1126 +* (((
1127 +(% style="color:#4f81bd" %)**General Commands**.
1128 +)))
963 963  
1130 +(((
964 964  These commands are to configure:
1132 +)))
965 965  
966 -1. General system settings like: uplink interval.
967 -1. LoRaWAN protocol & radio-related commands.
1134 +1. (((
1135 +General system settings like: uplink interval.
1136 +)))
1137 +1. (((
1138 +LoRaWAN protocol & radio-related commands.
1139 +)))
968 968  
1141 +(((
969 969  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]]
1143 +)))
970 970  
971 -* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
1145 +* (((
1146 +(% style="color:#4f81bd" %)**Commands special design for LHT65N**
1147 +)))
972 972  
1149 +(((
973 973  These commands are only valid for LHT65N, as below:
1151 +)))
974 974  
975 975  
976 976  == 4.1 Set Transmit Interval Time ==
... ... @@ -992,7 +992,6 @@
992 992  
993 993  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
994 994  
995 -
996 996  == 4.2 Set External Sensor Mode ==
997 997  
998 998  Feature: Change External Sensor Mode.
... ... @@ -1014,8 +1014,6 @@
1014 1014  
1015 1015  * 0xA20702003c: Same as AT+SETCNT=60
1016 1016  
1017 -
1018 -
1019 1019  == 4.3 Enable/Disable uplink Temperature probe ID ==
1020 1020  
1021 1021  (((
... ... @@ -1043,8 +1043,6 @@
1043 1043  * **0xA800**  **~-~->** AT+PID=0
1044 1044  * **0xA801**     **~-~->** AT+PID=1
1045 1045  
1046 -
1047 -
1048 1048  == 4.4 Set Password ==
1049 1049  
1050 1050  Feature: Set device password, max 9 digits
... ... @@ -1091,9 +1091,6 @@
1091 1091  
1092 1092  * There is no downlink command to set to Sleep mode.
1093 1093  
1094 -
1095 -
1096 -
1097 1097  == 4.7 Set system time ==
1098 1098  
1099 1099  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1190,9 +1190,6 @@
1190 1190  
1191 1191  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1192 1192  
1193 -
1194 -
1195 -
1196 1196  == 4.13 Auto Send None-ACK messages ==
1197 1197  
1198 1198  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1207,13 +1207,10 @@
1207 1207  (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|=(% _mstvisible="4" style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|=(% _mstvisible="4" style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1208 1208  (% _mstvisible="3" %)|(% _msthash="1231321" _msttexthash="130455" _mstvisible="4" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" _mstvisible="4" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" _mstvisible="4" style="width:119px" %)OK
1209 1209  
1210 -
1211 1211  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1212 1212  
1213 1213  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1214 1214  
1215 -
1216 -
1217 1217  = 5. Battery & How to replace =
1218 1218  
1219 1219  == 5.1 Battery Type ==
... ... @@ -1273,16 +1273,11 @@
1273 1273  
1274 1274  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1275 1275  
1276 -(% _msthash="506062" _msttexthash="1187732" %)
1277 -**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1440 +* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1441 +* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1442 +* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1443 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1278 1278  
1279 -(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1280 -
1281 -(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1282 -
1283 -(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1284 -
1285 -
1286 1286  (((
1287 1287  In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1288 1288  )))
... ... @@ -1591,7 +1591,59 @@
1591 1591  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1592 1592  
1593 1593  
1753 +== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1594 1594  
1755 +[[image:image-20220623110706-1.png]]
1756 +
1757 +
1758 +[[image:image-20220623112117-4.png||height="459" width="343"]]
1759 +
1760 +(((
1761 +In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1762 +)))
1763 +
1764 +
1765 +Input password and ATZ to activate LHT65N,As shown below:
1766 +
1767 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1768 +
1769 +
1770 +== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1771 +
1772 +[[image:image-20220623110706-1.png]]
1773 +
1774 +(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1775 +
1776 +[[image:image-20220615170542-5.png]]
1777 +
1778 +
1779 +(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1780 +
1781 +(% _msthash="506146" _msttexthash="52173160" %)
1782 +First connect the four lines；
1783 +
1784 +(% _msthash="506146" _msttexthash="52173160" %)
1785 +[[image:image-20220623113959-5.png||height="528" width="397"]]
1786 +
1787 +(% _msthash="506146" _msttexthash="52173160" %)
1788 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1789 +
1790 +(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1791 +
1792 +[[image:image-20220615171334-6.png]]
1793 +
1794 +
1795 +Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1796 +
1797 +
1798 +When this interface appears, it indicates that the download has been completed.
1799 +
1800 +[[image:image-20220620160723-8.png]]
1801 +
1802 +
1803 +Finally,restart reset device again
1804 +
1805 +
1595 1595  = 7. Order Info =
1596 1596  
1597 1597  
... ... @@ -1619,9 +1619,6 @@
1619 1619  
1620 1620  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1621 1621  
1622 -
1623 -
1624 -
1625 1625  = 8. Packing Info =
1626 1626  
1627 1627  
... ... @@ -1628,23 +1628,17 @@
1628 1628  **Package Includes**:
1629 1629  
1630 1630  * LHT65N Temperature & Humidity Sensor x 1
1839 +* Optional external sensor
1631 1631  
1632 -*Optional external sensor
1633 -
1634 -
1635 1635  **Dimension and weight**:
1636 1636  
1637 1637  * Device Size:  10 x 10 x 3.5 cm
1638 -
1639 1639  * Device Weight: 120.5g
1640 1640  
1641 -
1642 -
1643 1643  = 9. Reference material =
1644 1644  
1645 1645  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1646 1646  
1647 -
1648 1648  = 10. FCC Warning =
1649 1649  
1650 1650  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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