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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.13
edited by Xiaoling
on 2022/08/08 17:01
Change comment: There is no comment for this version
To version 207.1
edited by Edwin Chen
on 2022/10/18 09:59
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -44,6 +44,7 @@
44 44  )))
45 45  
46 46  
48 +
47 47  == 1.2 Features ==
48 48  
49 49  
... ... @@ -57,15 +57,12 @@
57 57  * Built-in Temperature & Humidity sensor
58 58  * Optional External Sensors
59 59  * Tri-color LED to indicate working status
60 -* Datalog feature
62 +* Datalog feature (Max 3328 records)
61 61  
62 -
63 -
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
68 -**Built-in Temperature Sensor:**
67 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
69 69  
70 70  * Resolution: 0.01 °C
71 71  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -72,7 +72,7 @@
72 72  * Long Term Drift: < 0.02 °C/yr
73 73  * Operating Range: -40 ~~ 85 °C
74 74  
75 -**Built-in Humidity Sensor:**
74 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
76 76  
77 77  * Resolution: 0.04 %RH
78 78  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -79,7 +79,7 @@
79 79  * Long Term Drift: < 0.02 °C/yr
80 80  * Operating Range: 0 ~~ 96 %RH
81 81  
82 -**External Temperature Sensor:**
81 +(% style="color:#037691" %)**External Temperature Sensor:**
83 83  
84 84  * Resolution: 0.0625 °C
85 85  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -86,11 +86,9 @@
86 86  * ±2°C accuracy from -55°C to +125°C
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 -
90 -
91 -
92 92  = 2. Connect LHT65N to IoT Server =
93 93  
90 +
94 94  == 2.1 How does LHT65N work? ==
95 95  
96 96  
... ... @@ -135,6 +135,7 @@
135 135  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
136 136  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
137 137  
135 +
138 138  (% _mstvisible="1" class="wikigeneratedid" %)
139 139  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
140 140  
... ... @@ -199,7 +199,7 @@
199 199  
200 200  
201 201  
202 -== 2.4 Uplink Payload ==
200 +== 2.4 Uplink Payload   ( Fport~=2) ==
203 203  
204 204  
205 205  (((
... ... @@ -278,20 +278,14 @@
278 278  * The 7th byte (EXT #): defines the external sensor model.
279 279  * 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.)
280 280  
281 -
282 -
283 -
284 284  === 2.4.1 Decoder in TTN V3 ===
285 285  
286 286  
287 287  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.
288 288  
289 -Below is the position to put the decoder and LHT65N decoder can be download from here:
284 +Below is the position to put the decoder and LHT65N decoder can be download from here: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
290 290  
291 291  
292 -[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
293 -
294 -
295 295  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
296 296  
297 297  
... ... @@ -313,9 +313,6 @@
313 313  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
314 314  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
315 315  
316 -
317 -
318 -
319 319  === 2.4.3 Built-in Temperature ===
320 320  
321 321  
... ... @@ -327,9 +327,6 @@
327 327  
328 328  * Temperature:  (0xF5C6-65536)/100=-26.18℃
329 329  
330 -
331 -
332 -
333 333  === 2.4.4 Built-in Humidity ===
334 334  
335 335  
... ... @@ -337,9 +337,6 @@
337 337  
338 338  * Humidity:    0x025C/10=60.4%
339 339  
340 -
341 -
342 -
343 343  === 2.4.5 Ext # ===
344 344  
345 345  
... ... @@ -498,8 +498,6 @@
498 498  * (% 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)
499 499  
500 500  
501 -
502 -
503 503  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
504 504  
505 505  
... ... @@ -509,7 +509,7 @@
509 509  
510 510  sensor by setting:
511 511  
512 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
493 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
513 513  
514 514  For example:
515 515  
... ... @@ -532,6 +532,7 @@
532 532  
533 533  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.
534 534  
516 +
535 535  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
536 536  
537 537  [[image:image-20220628151005-5.png]]
... ... @@ -548,6 +548,168 @@
548 548  
549 549  
550 550  
533 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
534 +
535 +
536 +[[image:image-20220927095645-1.png||height="534" width="460"]]
537 +
538 +
539 +**Ext=2,Temperature Sensor(TMP117)：**
540 +
541 +[[image:image-20220906102307-7.png]]
542 +
543 +
544 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
545 +
546 +The external cable NE2 can be use for MOD4 and MOD8
547 +
548 +
549 +
550 +
551 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
552 +
553 +
554 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
555 +
556 +
557 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
558 +
559 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
560 +
561 + In Open State, the power consumption is the same as if there is no probe
562 +
563 + In Close state, the power consumption will be 3uA higher than normal.
564 +
565 +[[image:image-20220906100852-1.png||height="205" width="377"]]
566 +
567 +
568 +Ext=4,Interrupt Sensor：
569 +
570 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
571 +|(% style="width:117px" %)(((
572 +AT+EXT=4,1
573 +)))|(% style="width:371px" %)(((
574 +Sent uplink packet in both rising and falling interrupt
575 +)))
576 +|(% style="width:117px" %)(((
577 +AT+EXT=4,2
578 +)))|(% style="width:371px" %)(((
579 +Sent uplink packet only in falling interrupt
580 +)))
581 +|(% style="width:117px" %)(((
582 +AT+EXT=4,3
583 +)))|(% style="width:371px" %)(((
584 +Sent uplink packet only in rising interrupt
585 +)))
586 +
587 +Trigger by falling edge:
588 +
589 +[[image:image-20220906101145-2.png]]
590 +
591 +
592 +Trigger by raising edge：
593 +
594 +[[image:image-20220906101145-3.png]]
595 +
596 +
597 +
598 +
599 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
600 +
601 +
602 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
603 +
604 +
605 +(% style="color:blue" %)**Case 1**(%%):  Low power consumption Flow Sensor, such flow sensor has pulse output and the power consumption in uA level and can be powered by LHT65N.
606 +
607 +[[image:image-20220906101320-4.png||height="366" width="698"]]
608 +
609 +
610 +(% style="color:blue" %)**Case 2**(%%):  Normal Flow Sensor: Such flow sensor has higher power consumption and is not suitable to be powered by LHT65N. It is powered by external power and output <3.3v pulse
611 +
612 +[[image:image-20220906101320-5.png||height="353" width="696"]]
613 +
614 +Ext=8, Counting Sensor ( 4 bytes)：
615 +
616 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
617 +|(% style="width:138px" %)(((
618 +AT+EXT=8,0
619 +)))|(% style="width:240px" %)(((
620 +Count at falling interrupt
621 +)))
622 +|(% style="width:138px" %)(((
623 +AT+EXT=8,1
624 +)))|(% style="width:240px" %)(((
625 +Count at rising interrupt
626 +)))
627 +|(% style="width:138px" %)(((
628 +AT+SETCNT=60
629 +)))|(% style="width:240px" %)(((
630 +Sent current count to 60
631 +)))
632 +
633 +[[image:image-20220906101320-6.png]]
634 +
635 +
636 +(% style="color:blue" %)**A2 downlink Command：**
637 +
638 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
639 +
640 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
641 +
642 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
643 +
644 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
645 +
646 +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)
647 +
648 +
649 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
650 +
651 +
652 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
653 +
654 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
655 +
656 +0): Cancel
657 +
658 +1): Threshold alarm
659 +
660 +2): Fluctuation alarm
661 +
662 +
663 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
664 +
665 +(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
666 +
667 +
668 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
669 +
670 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
671 +
672 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
673 +
674 +
675 +2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
676 +
677 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
678 +
679 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
680 +
681 +
682 +(% style="color:blue" %)** Downlink:**
683 +
684 +0xA5 00 ~-~- AT+WMOD=0.
685 +
686 +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 )
687 +
688 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
689 +
690 +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.
691 +
692 +
693 +
694 +
551 551  == 2.5 Show data on Datacake ==
552 552  
553 553  
... ... @@ -610,11 +610,19 @@
610 610  
611 611  There are two methods:
612 612  
613 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
614 -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.
757 +**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
615 615  
759 +
760 +**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.
761 +
762 +**Note for method 2:**
763 +
764 +* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
765 +* b) LHT65N will send data in **CONFIRMED Mode** when PNACKMD=1, but LHT65N won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LHT65N gets a ACK, LHT65N will consider there is a network connection and resend all NONE-ACK Message.
766 +
616 616  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
617 617  
769 +
618 618  [[image:image-20220703111700-2.png||height="381" width="1119"]]
619 619  
620 620  
... ... @@ -836,15 +836,18 @@
836 836  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
837 837  
838 838  (% _mstvisible="1" %)
839 -[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
840 -
841 -(% _mstvisible="1" %)
842 842  (((
843 843  (% _mstvisible="2" %)
844 844  (((
845 845  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
846 846  (((
847 -Poll Message Flag: 1: This message is a poll message reply.
996 +[[image:image-20221006192726-1.png||height="112" width="754"]]
997 +
998 +(% class="mark" %)**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)
999 +
1000 +(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
1001 +
1002 +
848 848  )))
849 849  )))
850 850  )))
... ... @@ -893,7 +893,7 @@
893 893  (((
894 894  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
895 895  (((
896 -a) DR0: max is 11 bytes so one entry of data
1051 +**a) DR0:** max is 11 bytes so one entry of data
897 897  )))
898 898  )))
899 899  )))
... ... @@ -904,7 +904,7 @@
904 904  (((
905 905  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
906 906  (((
907 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1062 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
908 908  )))
909 909  )))
910 910  )))
... ... @@ -915,7 +915,7 @@
915 915  (((
916 916  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
917 917  (((
918 -c) DR2: total payload includes 11 entries of data
1073 +**c) DR2:** total payload includes 11 entries of data
919 919  )))
920 920  )))
921 921  )))
... ... @@ -926,7 +926,7 @@
926 926  (((
927 927  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
928 928  (((
929 -d) DR3: total payload includes 22 entries of data.
1084 +**d) DR3: **total payload includes 22 entries of data.
930 930  )))
931 931  )))
932 932  )))
... ... @@ -937,7 +937,7 @@
937 937  (((
938 938  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
939 939  (((
940 -If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1095 +If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
941 941  )))
942 942  )))
943 943  )))
... ... @@ -985,6 +985,7 @@
985 985  (% _mstvisible="1" %)
986 986  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
987 987  
1143 +
988 988  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
989 989  (((
990 990  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1037,17 +1037,35 @@
1037 1037  (((
1038 1038  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1039 1039  
1196 +=== **2.7.1 ALARM MODE ( Since v1.3.1 firmware)** ===
1197 +
1198 +(((
1199 +(% class="box infomessage" %)
1200 +(((
1201 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1202 +
1203 +**AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1204 +
1205 +**AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1206 +
1207 +**AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1208 +
1209 +**AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1210 +)))
1211 +)))
1212 +
1213 +
1040 1040  
1041 1041  )))
1042 1042  
1043 1043  (((
1044 -**AT COMMAND FOR ALARM MODE:**
1218 +=== **2.7.2 ALARM MODE ( Before v1.3.1 firmware)** ===
1045 1045  )))
1046 1046  
1047 1047  (% _mstvisible="1" class="box infomessage" %)
1048 1048  (((
1049 1049  (((
1050 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1224 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1051 1051  )))
1052 1052  
1053 1053  (((
... ... @@ -1097,9 +1097,6 @@
1097 1097  * RED LED when external sensor is not connected
1098 1098  * For each success downlink, the PURPLE LED will blink once
1099 1099  
1100 -
1101 -
1102 -
1103 1103  == 2.9 installation ==
1104 1104  
1105 1105  
... ... @@ -1110,6 +1110,7 @@
1110 1110  
1111 1111  = 3. Sensors and Accessories =
1112 1112  
1284 +
1113 1113  == 3.1 E2 Extension Cable ==
1114 1114  
1115 1115  
... ... @@ -1156,9 +1156,6 @@
1156 1156  * Operating Range: -40 ~~ 125 °C
1157 1157  * Working voltage 2.35v ~~ 5v
1158 1158  
1159 -
1160 -
1161 -
1162 1162  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1163 1163  
1164 1164  
... ... @@ -1228,9 +1228,6 @@
1228 1228  
1229 1229  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1230 1230  
1231 -
1232 -
1233 -
1234 1234  == 4.2 Set External Sensor Mode ==
1235 1235  
1236 1236  
... ... @@ -1254,9 +1254,6 @@
1254 1254  
1255 1255  * 0xA20702003c: Same as AT+SETCNT=60
1256 1256  
1257 -
1258 -
1259 -
1260 1260  == 4.3 Enable/Disable uplink Temperature probe ID ==
1261 1261  
1262 1262  
... ... @@ -1287,9 +1287,6 @@
1287 1287  * **0xA800**  **~-~->** AT+PID=0
1288 1288  * **0xA801**     **~-~->** AT+PID=1
1289 1289  
1290 -
1291 -
1292 -
1293 1293  == 4.4 Set Password ==
1294 1294  
1295 1295  
... ... @@ -1341,9 +1341,6 @@
1341 1341  
1342 1342  * There is no downlink command to set to Sleep mode.
1343 1343  
1344 -
1345 -
1346 -
1347 1347  == 4.7 Set system time ==
1348 1348  
1349 1349  
... ... @@ -1357,7 +1357,7 @@
1357 1357  
1358 1358  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1359 1359  
1360 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1517 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1361 1361  
1362 1362  
1363 1363  
... ... @@ -1381,8 +1381,8 @@
1381 1381  
1382 1382  (% style="color:#4f81bd" %)**Downlink Command:**
1383 1383  
1384 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1385 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1541 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1542 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1386 1386  
1387 1387  
1388 1388  
... ... @@ -1399,7 +1399,7 @@
1399 1399  
1400 1400  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1401 1401  
1402 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1559 +**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1403 1403  
1404 1404  
1405 1405  
... ... @@ -1450,11 +1450,8 @@
1450 1450  
1451 1451  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1452 1452  
1453 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
1610 +* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1454 1454  
1455 -
1456 -
1457 -
1458 1458  == 4.13 Auto Send None-ACK messages ==
1459 1459  
1460 1460  
... ... @@ -1473,13 +1473,11 @@
1473 1473  
1474 1474  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1475 1475  
1476 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1630 +* Example: 0x3401 ~/~/  Same as AT+PNACKMD=1
1477 1477  
1478 -
1479 -
1480 -
1481 1481  = 5. Battery & How to replace =
1482 1482  
1634 +
1483 1483  == 5.1 Battery Type ==
1484 1484  
1485 1485  
... ... @@ -1546,7 +1546,6 @@
1546 1546  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1547 1547  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1548 1548  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1549 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1550 1550  
1551 1551  (((
1552 1552  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.
... ... @@ -1798,7 +1798,7 @@
1798 1798  == 6.3 How to change the uplink interval？ ==
1799 1799  
1800 1800  
1801 -[[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"]]
1952 +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);"]]
1802 1802  
1803 1803  
1804 1804  
... ... @@ -1832,6 +1832,7 @@
1832 1832  [[image:image-20220615170542-5.png]]
1833 1833  
1834 1834  
1986 +
1835 1835  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1836 1836  
1837 1837  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1845,6 +1845,7 @@
1845 1845  [[image:image-20220621170938-2.png]]
1846 1846  
1847 1847  
2000 +
1848 1848  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1849 1849  
1850 1850  [[image:image-20220615171334-6.png]]
... ... @@ -1893,6 +1893,7 @@
1893 1893  [[image:image-20220615170542-5.png]]
1894 1894  
1895 1895  
2049 +
1896 1896  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1897 1897  
1898 1898  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1905,6 +1905,7 @@
1905 1905  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1906 1906  
1907 1907  
2062 +
1908 1908  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1909 1909  
1910 1910  [[image:image-20220615171334-6.png]]
... ... @@ -1929,20 +1929,13 @@
1929 1929  
1930 1930  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1931 1931  
1932 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1933 -
2087 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1934 1934  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1935 -
1936 1936  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1937 -
1938 1938  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1939 -
1940 1940  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1941 -
1942 1942  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1943 -
1944 1944  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1945 -
1946 1946  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1947 1947  
1948 1948  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -1949,8 +1949,6 @@
1949 1949  
1950 1950  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1951 1951  
1952 -
1953 -
1954 1954  = 8. Packing Info =
1955 1955  
1956 1956  
... ... @@ -1964,15 +1964,11 @@
1964 1964  * Device Size:  10 x 10 x 3.5 cm
1965 1965  * Device Weight: 120.5g
1966 1966  
1967 -
1968 -
1969 1969  = 9. Reference material =
1970 1970  
1971 1971  
1972 1972  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1973 1973  
1974 -
1975 -
1976 1976  = 10. FCC Warning =
1977 1977  
1978 1978  
... ... @@ -1981,3 +1981,6 @@
1981 1981  (1) This device may not cause harmful interference；
1982 1982  
1983 1983  (2) this device must accept any interference received, including interference that may cause undesired operation.
2126 +
2127 +
2128 +
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