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Last modified by Xiaoling on 2023/07/18 10:12
From version 207.1
edited by Edwin Chen
on 2022/10/18 09:59
Change comment: There is no comment for this version
To version 189.8
edited by Xiaoling
on 2022/08/08 16:22
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
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  
... ... @@ -59,12 +59,14 @@
59 59  * Built-in Temperature & Humidity sensor
60 60  * Optional External Sensors
61 61  * Tri-color LED to indicate working status
62 -* Datalog feature (Max 3328 records)
60 +* Datalog feature
63 63  
62 +
63 +
64 64  == 1.3 Specification ==
65 65  
66 66  
67 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
67 +**Built-in Temperature Sensor:**
68 68  
69 69  * Resolution: 0.01 °C
70 70  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -71,23 +71,28 @@
71 71  * Long Term Drift: < 0.02 °C/yr
72 72  * Operating Range: -40 ~~ 85 °C
73 73  
74 -(% style="color:#037691" %)**Built-in Humidity Sensor:**
75 75  
75 +
76 +**Built-in Humidity Sensor:**
77 +
76 76  * Resolution: 0.04 %RH
77 77  * Accuracy Tolerance : Typ ±3 %RH
78 78  * Long Term Drift: < 0.02 °C/yr
79 79  * Operating Range: 0 ~~ 96 %RH
80 80  
81 -(% style="color:#037691" %)**External Temperature Sensor:**
82 82  
84 +
85 +**External Temperature Sensor:**
86 +
83 83  * Resolution: 0.0625 °C
84 84  * ±0.5°C accuracy from -10°C to +85°C
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  
94 += 2. Connect LHT65N to IoT Server =
95 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
93 93  
... ... @@ -132,7 +132,6 @@
132 132  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
133 133  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.
134 134  
135 -
136 136  (% _mstvisible="1" class="wikigeneratedid" %)
137 137  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
138 138  
... ... @@ -197,7 +197,7 @@
197 197  
198 198  
199 199  
200 -== 2.4 Uplink Payload   ( Fport~=2) ==
204 +== 2.4 Uplink Payload ==
201 201  
202 202  
203 203  (((
... ... @@ -276,14 +276,19 @@
276 276  * The 7th byte (EXT #): defines the external sensor model.
277 277  * 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.)
278 278  
283 +
284 +
279 279  === 2.4.1 Decoder in TTN V3 ===
280 280  
281 281  
282 282  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.
283 283  
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 +Below is the position to put the decoder and LHT65N decoder can be download from here:
285 285  
286 286  
293 +[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
294 +
295 +
287 287  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
288 288  
289 289  
... ... @@ -305,6 +305,8 @@
305 305  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
306 306  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
307 307  
317 +
318 +
308 308  === 2.4.3 Built-in Temperature ===
309 309  
310 310  
... ... @@ -316,6 +316,8 @@
316 316  
317 317  * Temperature:  (0xF5C6-65536)/100=-26.18℃
318 318  
330 +
331 +
319 319  === 2.4.4 Built-in Humidity ===
320 320  
321 321  
... ... @@ -323,6 +323,8 @@
323 323  
324 324  * Humidity:    0x025C/10=60.4%
325 325  
339 +
340 +
326 326  === 2.4.5 Ext # ===
327 327  
328 328  
... ... @@ -334,7 +334,6 @@
334 334  
335 335  === 2.4.6 Ext value ===
336 336  
337 -
338 338  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
339 339  
340 340  
... ... @@ -481,6 +481,7 @@
481 481  * (% 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)
482 482  
483 483  
498 +
484 484  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
485 485  
486 486  
... ... @@ -490,7 +490,7 @@
490 490  
491 491  sensor by setting:
492 492  
493 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
508 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
494 494  
495 495  For example:
496 496  
... ... @@ -513,7 +513,6 @@
513 513  
514 514  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.
515 515  
516 -
517 517  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
518 518  
519 519  [[image:image-20220628151005-5.png]]
... ... @@ -530,168 +530,6 @@
530 530  
531 531  
532 532  
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 -
695 695  == 2.5 Show data on Datacake ==
696 696  
697 697  
... ... @@ -754,19 +754,11 @@
754 754  
755 755  There are two methods:
756 756  
757 -**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
609 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
610 +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.
758 758  
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 -
767 767  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
768 768  
769 -
770 770  [[image:image-20220703111700-2.png||height="381" width="1119"]]
771 771  
772 772  
... ... @@ -984,22 +984,20 @@
984 984  )))
985 985  )))
986 986  
831 +
987 987  (% _mstvisible="1" %)
988 988  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
989 989  
990 990  (% _mstvisible="1" %)
836 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
837 +
838 +(% _mstvisible="1" %)
991 991  (((
992 992  (% _mstvisible="2" %)
993 993  (((
994 994  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
995 995  (((
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 -
844 +Poll Message Flag: 1: This message is a poll message reply.
1003 1003  )))
1004 1004  )))
1005 1005  )))
... ... @@ -1048,7 +1048,7 @@
1048 1048  (((
1049 1049  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
1050 1050  (((
1051 -**a) DR0:** max is 11 bytes so one entry of data
893 +a) DR0: max is 11 bytes so one entry of data
1052 1052  )))
1053 1053  )))
1054 1054  )))
... ... @@ -1059,7 +1059,7 @@
1059 1059  (((
1060 1060  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
1061 1061  (((
1062 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
904 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1063 1063  )))
1064 1064  )))
1065 1065  )))
... ... @@ -1070,7 +1070,7 @@
1070 1070  (((
1071 1071  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1072 1072  (((
1073 -**c) DR2:** total payload includes 11 entries of data
915 +c) DR2: total payload includes 11 entries of data
1074 1074  )))
1075 1075  )))
1076 1076  )))
... ... @@ -1081,7 +1081,7 @@
1081 1081  (((
1082 1082  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1083 1083  (((
1084 -**d) DR3: **total payload includes 22 entries of data.
926 +d) DR3: total payload includes 22 entries of data.
1085 1085  )))
1086 1086  )))
1087 1087  )))
... ... @@ -1092,7 +1092,7 @@
1092 1092  (((
1093 1093  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1094 1094  (((
1095 -If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
937 +If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1096 1096  )))
1097 1097  )))
1098 1098  )))
... ... @@ -1140,7 +1140,6 @@
1140 1140  (% _mstvisible="1" %)
1141 1141  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1142 1142  
1143 -
1144 1144  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1145 1145  (((
1146 1146  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1185,43 +1185,22 @@
1185 1185  
1186 1186  == 2.7 Alarm Mode ==
1187 1187  
1188 -
1189 1189  (((
1190 1190  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.
1191 1191  )))
1192 1192  
1193 1193  (((
1194 -(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1195 -
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.
1034 +(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1210 1210  )))
1211 -)))
1212 1212  
1213 -
1214 -
1215 -)))
1216 -
1217 1217  (((
1218 -=== **2.7.2 ALARM MODE ( Before v1.3.1 firmware)** ===
1038 +**AT COMMAND FOR ALARM MODE:**
1219 1219  )))
1220 1220  
1221 1221  (% _mstvisible="1" class="box infomessage" %)
1222 1222  (((
1223 1223  (((
1224 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1044 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1225 1225  )))
1226 1226  
1227 1227  (((
... ... @@ -1256,10 +1256,8 @@
1256 1256  TEMPhigh=003C
1257 1257  
1258 1258  
1259 -
1260 1260  == 2.8 LED Indicator ==
1261 1261  
1262 -
1263 1263  The LHT65 has a triple color LED which for easy showing different stage .
1264 1264  
1265 1265  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1271,9 +1271,9 @@
1271 1271  * RED LED when external sensor is not connected
1272 1272  * For each success downlink, the PURPLE LED will blink once
1273 1273  
1092 +
1274 1274  == 2.9 installation ==
1275 1275  
1276 -
1277 1277  (% _mstvisible="1" %)
1278 1278  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1279 1279  
... ... @@ -1281,13 +1281,10 @@
1281 1281  
1282 1282  = 3. Sensors and Accessories =
1283 1283  
1284 -
1285 1285  == 3.1 E2 Extension Cable ==
1286 1286  
1287 -
1288 1288  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1289 1289  
1290 -
1291 1291  **1m long breakout cable for LHT65N. Features:**
1292 1292  
1293 1293  * (((
... ... @@ -1304,9 +1304,6 @@
1304 1304  )))
1305 1305  * (((
1306 1306  Exposed All pins from the LHT65N Type-C connector.
1307 -
1308 -
1309 -
1310 1310  )))
1311 1311  
1312 1312  [[image:image-20220619092421-3.png||height="371" width="529"]]
... ... @@ -1328,9 +1328,9 @@
1328 1328  * Operating Range: -40 ~~ 125 °C
1329 1329  * Working voltage 2.35v ~~ 5v
1330 1330  
1143 +
1331 1331  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1332 1332  
1333 -
1334 1334  (((
1335 1335  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1336 1336  )))
... ... @@ -1375,13 +1375,10 @@
1375 1375  )))
1376 1376  
1377 1377  
1378 -
1379 1379  == 4.1 Set Transmit Interval Time ==
1380 1380  
1381 -
1382 1382  Feature: Change LoRaWAN End Node Transmit Interval.
1383 1383  
1384 -
1385 1385  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1386 1386  
1387 1387  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1397,12 +1397,11 @@
1397 1397  
1398 1398  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1399 1399  
1209 +
1400 1400  == 4.2 Set External Sensor Mode ==
1401 1401  
1402 -
1403 1403  Feature: Change External Sensor Mode.
1404 1404  
1405 -
1406 1406  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1407 1407  
1408 1408  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1420,9 +1420,9 @@
1420 1420  
1421 1421  * 0xA20702003c: Same as AT+SETCNT=60
1422 1422  
1231 +
1423 1423  == 4.3 Enable/Disable uplink Temperature probe ID ==
1424 1424  
1425 -
1426 1426  (((
1427 1427  Feature: If PID is enabled, device will send the temperature probe ID on:
1428 1428  )))
... ... @@ -1436,8 +1436,6 @@
1436 1436  
1437 1437  (((
1438 1438  PID is default set to disable (0)
1439 -
1440 -
1441 1441  )))
1442 1442  
1443 1443  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1450,12 +1450,11 @@
1450 1450  * **0xA800**  **~-~->** AT+PID=0
1451 1451  * **0xA801**     **~-~->** AT+PID=1
1452 1452  
1259 +
1453 1453  == 4.4 Set Password ==
1454 1454  
1455 -
1456 1456  Feature: Set device password, max 9 digits
1457 1457  
1458 -
1459 1459  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1460 1460  
1461 1461  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1469,10 +1469,8 @@
1469 1469  
1470 1470  == 4.5 Quit AT Command ==
1471 1471  
1472 -
1473 1473  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1474 1474  
1475 -
1476 1476  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1477 1477  
1478 1478  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1486,7 +1486,6 @@
1486 1486  
1487 1487  == 4.6 Set to sleep mode ==
1488 1488  
1489 -
1490 1490  Feature: Set device to sleep mode
1491 1491  
1492 1492  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
... ... @@ -1501,12 +1501,11 @@
1501 1501  
1502 1502  * There is no downlink command to set to Sleep mode.
1503 1503  
1306 +
1504 1504  == 4.7 Set system time ==
1505 1505  
1506 -
1507 1507  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1508 1508  
1509 -
1510 1510  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1511 1511  
1512 1512  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1514,13 +1514,12 @@
1514 1514  
1515 1515  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1516 1516  
1517 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1318 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1518 1518  
1519 1519  
1520 1520  
1521 1521  == 4.8 Set Time Sync Mode ==
1522 1522  
1523 -
1524 1524  (((
1525 1525  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1526 1526  )))
... ... @@ -1527,8 +1527,6 @@
1527 1527  
1528 1528  (((
1529 1529  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1530 -
1531 -
1532 1532  )))
1533 1533  
1534 1534  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1538,17 +1538,15 @@
1538 1538  
1539 1539  (% style="color:#4f81bd" %)**Downlink Command:**
1540 1540  
1541 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1542 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1339 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1340 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1543 1543  
1544 1544  
1545 1545  
1546 1546  == 4.9 Set Time Sync Interval ==
1547 1547  
1548 -
1549 1549  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1550 1550  
1551 -
1552 1552  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1553 1553  
1554 1554  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1556,16 +1556,14 @@
1556 1556  
1557 1557  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1558 1558  
1559 -**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1355 +**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1560 1560  
1561 1561  
1562 1562  
1563 1563  == 4.10 Print data entries base on page. ==
1564 1564  
1565 -
1566 1566  Feature: Print the sector data from start page to stop page (max is 416 pages).
1567 1567  
1568 -
1569 1569  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1570 1570  
1571 1571  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1579,10 +1579,8 @@
1579 1579  
1580 1580  == 4.11 Print last few data entries. ==
1581 1581  
1582 -
1583 1583  Feature: Print the last few data entries
1584 1584  
1585 -
1586 1586  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1587 1587  
1588 1588  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1596,7 +1596,6 @@
1596 1596  
1597 1597  == 4.12 Clear Flash Record ==
1598 1598  
1599 -
1600 1600  Feature: Clear flash storage for data log feature.
1601 1601  
1602 1602  
... ... @@ -1607,15 +1607,14 @@
1607 1607  
1608 1608  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1609 1609  
1610 -* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1401 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
1611 1611  
1403 +
1612 1612  == 4.13 Auto Send None-ACK messages ==
1613 1613  
1614 -
1615 1615  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1616 1616  Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
1617 1617  
1618 -
1619 1619  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1620 1620  
1621 1621  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1627,14 +1627,13 @@
1627 1627  
1628 1628  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1629 1629  
1630 -* Example: 0x3401 ~/~/  Same as AT+PNACKMD=1
1420 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1631 1631  
1422 +
1632 1632  = 5. Battery & How to replace =
1633 1633  
1634 -
1635 1635  == 5.1 Battery Type ==
1636 1636  
1637 -
1638 1638  (((
1639 1639  (((
1640 1640  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.
... ... @@ -1655,10 +1655,8 @@
1655 1655  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1656 1656  
1657 1657  
1658 -
1659 1659  == 5.2 Replace Battery ==
1660 1660  
1661 -
1662 1662  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1663 1663  
1664 1664  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
... ... @@ -1666,7 +1666,6 @@
1666 1666  
1667 1667  == 5.3 Battery Life Analyze ==
1668 1668  
1669 -
1670 1670  (((
1671 1671  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1672 1672  [[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]]
... ... @@ -1684,10 +1684,8 @@
1684 1684  
1685 1685  = 6. FAQ =
1686 1686  
1687 -
1688 1688  == 6.1 How to use AT Command? ==
1689 1689  
1690 -
1691 1691  LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
1692 1692  
1693 1693  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1698,6 +1698,7 @@
1698 1698  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1699 1699  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1700 1700  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1485 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1701 1701  
1702 1702  (((
1703 1703  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.
... ... @@ -1905,43 +1905,40 @@
1905 1905  AT+PID:  Get or set the PID
1906 1906  
1907 1907  
1908 -
1909 1909  == 6.2 Where to use AT commands and Downlink commands ==
1910 1910  
1695 +(% _msthash="506131" _msttexthash="14585714" %)
1696 +AT commands：
1911 1911  
1912 -**AT commands：**
1913 -
1914 1914  [[image:image-20220620153708-1.png||height="603" width="723"]]
1915 1915  
1700 +(% _msthash="506132" _msttexthash="337922" %)
1701 +Downlink commands:
1916 1916  
1917 -**Downlink commands:**
1918 1918  
1704 +(% _msthash="506133" _msttexthash="33046" %)
1705 +**TTN:**
1919 1919  
1920 -
1921 -(% style="color:blue" %)**TTN:**
1922 -
1923 1923  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1924 1924  
1925 1925  
1710 +(% _msthash="506134" _msttexthash="11113791" %)
1711 +**Helium：**
1926 1926  
1927 -(% style="color:blue" %)**Helium：**
1928 -
1929 1929  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1930 1930  
1931 1931  
1716 +(% _msthash="506135" _msttexthash="4159844" %)
1717 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1932 1932  
1933 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1934 -
1935 -
1936 1936  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1937 1937  
1938 -
1939 1939  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1940 1940  
1941 1941  
1724 +(% _msthash="506136" _msttexthash="39286" %)
1725 +**Aws:**
1942 1942  
1943 -(% style="color:blue" %)**Aws:**
1944 -
1945 1945  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1946 1946  
1947 1947  
... ... @@ -1948,14 +1948,12 @@
1948 1948  
1949 1949  == 6.3 How to change the uplink interval？ ==
1950 1950  
1733 +[[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"]]
1951 1951  
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);"]]
1953 1953  
1954 1954  
1955 -
1956 1956  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1957 1957  
1958 -
1959 1959  [[image:image-20220615153355-1.png]]
1960 1960  
1961 1961  [[image:1655802313617-381.png]]
... ... @@ -1983,7 +1983,6 @@
1983 1983  [[image:image-20220615170542-5.png]]
1984 1984  
1985 1985  
1986 -
1987 1987  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1988 1988  
1989 1989  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1997,7 +1997,6 @@
1997 1997  [[image:image-20220621170938-2.png]]
1998 1998  
1999 1999  
2000 -
2001 2001  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2002 2002  
2003 2003  [[image:image-20220615171334-6.png]]
... ... @@ -2014,16 +2014,13 @@
2014 2014  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
2015 2015  
2016 2016  
2017 -
2018 2018  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
2019 2019  
2020 -
2021 2021  [[image:image-20220623110706-1.png]]
2022 2022  
2023 2023  
2024 2024  [[image:image-20220623112117-4.png||height="459" width="343"]]
2025 2025  
2026 -
2027 2027  (((
2028 2028  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.
2029 2029  )))
... ... @@ -2034,19 +2034,15 @@
2034 2034  [[image:image-20220615154519-3.png||height="672" width="807"]]
2035 2035  
2036 2036  
2037 -
2038 2038  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2039 2039  
2040 -
2041 2041  [[image:image-20220623110706-1.png]]
2042 2042  
2043 -
2044 2044  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2045 2045  
2046 2046  [[image:image-20220615170542-5.png]]
2047 2047  
2048 2048  
2049 -
2050 2050  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2051 2051  
2052 2052  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2058,8 +2058,6 @@
2058 2058  (% _msthash="506146" _msttexthash="52173160" %)
2059 2059  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2060 2060  
2061 -
2062 -
2063 2063  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2064 2064  
2065 2065  [[image:image-20220615171334-6.png]]
... ... @@ -2076,7 +2076,6 @@
2076 2076  Finally,restart reset device again
2077 2077  
2078 2078  
2079 -
2080 2080  = 7. Order Info =
2081 2081  
2082 2082  
... ... @@ -2084,13 +2084,20 @@
2084 2084  
2085 2085  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2086 2086  
2087 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1855 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1856 +
2088 2088  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1858 +
2089 2089  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1860 +
2090 2090  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1862 +
2091 2091  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1864 +
2092 2092  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1866 +
2093 2093  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1868 +
2094 2094  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2095 2095  
2096 2096  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2097,6 +2097,7 @@
2097 2097  
2098 2098  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2099 2099  
1875 +
2100 2100  = 8. Packing Info =
2101 2101  
2102 2102  
... ... @@ -2110,19 +2110,16 @@
2110 2110  * Device Size:  10 x 10 x 3.5 cm
2111 2111  * Device Weight: 120.5g
2112 2112  
1889 +
2113 2113  = 9. Reference material =
2114 2114  
2115 -
2116 2116  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2117 2117  
1894 +
2118 2118  = 10. FCC Warning =
2119 2119  
2120 -
2121 2121  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2122 2122  
2123 2123  (1) This device may not cause harmful interference；
2124 2124  
2125 2125  (2) this device must accept any interference received, including interference that may cause undesired operation.
2126 -
2127 -
2128 -
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