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Last modified by Xiaoling on 2023/07/18 10:12
From version 210.1
edited by Bei Jinggeng
on 2022/10/18 10:49
Change comment: There is no comment for this version
To version 189.9
edited by Xiaoling
on 2022/08/08 16:38
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
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  
... ... @@ -480,6 +480,8 @@
480 480  * (% 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.
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  
497 +
498 +
483 483  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
484 484  
485 485  
... ... @@ -489,7 +489,7 @@
489 489  
490 490  sensor by setting:
491 491  
492 -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
493 493  
494 494  For example:
495 495  
... ... @@ -512,7 +512,6 @@
512 512  
513 513  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.
514 514  
515 -
516 516  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
517 517  
518 518  [[image:image-20220628151005-5.png]]
... ... @@ -529,124 +529,6 @@
529 529  
530 530  
531 531  
532 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
533 -
534 -
535 -[[image:image-20220927095645-1.png||height="534" width="460"]]
536 -
537 -
538 -**Ext=2,Temperature Sensor(TMP117)：**
539 -
540 -[[image:image-20220906102307-7.png]]
541 -
542 -
543 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
544 -
545 -The external cable NE2 can be use for MOD4 and MOD8
546 -
547 -
548 -
549 -
550 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
551 -
552 -
553 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
554 -
555 -
556 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
557 -
558 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
559 -
560 - In Open State, the power consumption is the same as if there is no probe
561 -
562 - In Close state, the power consumption will be 3uA higher than normal.
563 -
564 -[[image:image-20220906100852-1.png||height="205" width="377"]]
565 -
566 -
567 -Ext=4,Interrupt Sensor：
568 -
569 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
570 -|(% style="width:117px" %)(((
571 -AT+EXT=4,1
572 -)))|(% style="width:371px" %)(((
573 -Sent uplink packet in both rising and falling interrupt
574 -)))
575 -|(% style="width:117px" %)(((
576 -AT+EXT=4,2
577 -)))|(% style="width:371px" %)(((
578 -Sent uplink packet only in falling interrupt
579 -)))
580 -|(% style="width:117px" %)(((
581 -AT+EXT=4,3
582 -)))|(% style="width:371px" %)(((
583 -Sent uplink packet only in rising interrupt
584 -)))
585 -
586 -Trigger by falling edge:
587 -
588 -[[image:image-20220906101145-2.png]]
589 -
590 -
591 -Trigger by raising edge：
592 -
593 -[[image:image-20220906101145-3.png]]
594 -
595 -
596 -
597 -
598 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
599 -
600 -
601 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
602 -
603 -
604 -(% 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.
605 -
606 -[[image:image-20220906101320-4.png||height="366" width="698"]]
607 -
608 -
609 -(% 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
610 -
611 -[[image:image-20220906101320-5.png||height="353" width="696"]]
612 -
613 -Ext=8, Counting Sensor ( 4 bytes)：
614 -
615 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
616 -|(% style="width:138px" %)(((
617 -AT+EXT=8,0
618 -)))|(% style="width:240px" %)(((
619 -Count at falling interrupt
620 -)))
621 -|(% style="width:138px" %)(((
622 -AT+EXT=8,1
623 -)))|(% style="width:240px" %)(((
624 -Count at rising interrupt
625 -)))
626 -|(% style="width:138px" %)(((
627 -AT+SETCNT=60
628 -)))|(% style="width:240px" %)(((
629 -Sent current count to 60
630 -)))
631 -
632 -[[image:image-20220906101320-6.png]]
633 -
634 -
635 -(% style="color:blue" %)**A2 downlink Command：**
636 -
637 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
638 -
639 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
640 -
641 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
642 -
643 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
644 -
645 -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)
646 -
647 -
648 -
649 -
650 650  == 2.5 Show data on Datacake ==
651 651  
652 652  
... ... @@ -709,19 +709,11 @@
709 709  
710 710  There are two methods:
711 711  
712 -**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.
713 713  
714 -
715 -**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.
716 -
717 -**Note for method 2:**
718 -
719 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
720 -* 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.
721 -
722 722  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
723 723  
724 -
725 725  [[image:image-20220703111700-2.png||height="381" width="1119"]]
726 726  
727 727  
... ... @@ -939,22 +939,20 @@
939 939  )))
940 940  )))
941 941  
831 +
942 942  (% _mstvisible="1" %)
943 943  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
944 944  
945 945  (% _mstvisible="1" %)
836 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
837 +
838 +(% _mstvisible="1" %)
946 946  (((
947 947  (% _mstvisible="2" %)
948 948  (((
949 949  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
950 950  (((
951 -[[image:image-20221006192726-1.png||height="112" width="754"]]
952 -
953 -(% 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)
954 -
955 -(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
956 -
957 -
844 +Poll Message Flag: 1: This message is a poll message reply.
958 958  )))
959 959  )))
960 960  )))
... ... @@ -1003,7 +1003,7 @@
1003 1003  (((
1004 1004  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
1005 1005  (((
1006 -**a) DR0:** max is 11 bytes so one entry of data
893 +a) DR0: max is 11 bytes so one entry of data
1007 1007  )))
1008 1008  )))
1009 1009  )))
... ... @@ -1014,7 +1014,7 @@
1014 1014  (((
1015 1015  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
1016 1016  (((
1017 -**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)
1018 1018  )))
1019 1019  )))
1020 1020  )))
... ... @@ -1025,7 +1025,7 @@
1025 1025  (((
1026 1026  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1027 1027  (((
1028 -**c) DR2:** total payload includes 11 entries of data
915 +c) DR2: total payload includes 11 entries of data
1029 1029  )))
1030 1030  )))
1031 1031  )))
... ... @@ -1036,7 +1036,7 @@
1036 1036  (((
1037 1037  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1038 1038  (((
1039 -**d) DR3: **total payload includes 22 entries of data.
926 +d) DR3: total payload includes 22 entries of data.
1040 1040  )))
1041 1041  )))
1042 1042  )))
... ... @@ -1047,7 +1047,7 @@
1047 1047  (((
1048 1048  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1049 1049  (((
1050 -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   
1051 1051  )))
1052 1052  )))
1053 1053  )))
... ... @@ -1095,7 +1095,6 @@
1095 1095  (% _mstvisible="1" %)
1096 1096  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1097 1097  
1098 -
1099 1099  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1100 1100  (((
1101 1101  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1148,37 +1148,17 @@
1148 1148  (((
1149 1149  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1150 1150  
1151 -=== **2.7.1 ALARM MODE ( Since v1.3.1 firmware)** ===
1152 -
1153 -(((
1154 -(% class="box infomessage" %)
1155 -(((
1156 -**AT+WMOD=3,**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1157 -
1158 -**AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1159 -
1160 -**AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1161 -
1162 -**AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1163 -
1164 -**AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1165 -
1166 -**AT+LEDALARM=1** :       Enable LED visual Alarm.
1167 -)))
1168 -)))
1169 -
1170 -
1171 1171  
1172 1172  )))
1173 1173  
1174 1174  (((
1175 -=== **2.7.2 ALARM MODE ( Before v1.3.1 firmware)** ===
1041 +**AT COMMAND FOR ALARM MODE:**
1176 1176  )))
1177 1177  
1178 1178  (% _mstvisible="1" class="box infomessage" %)
1179 1179  (((
1180 1180  (((
1181 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1047 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1182 1182  )))
1183 1183  
1184 1184  (((
... ... @@ -1228,6 +1228,8 @@
1228 1228  * RED LED when external sensor is not connected
1229 1229  * For each success downlink, the PURPLE LED will blink once
1230 1230  
1097 +
1098 +
1231 1231  == 2.9 installation ==
1232 1232  
1233 1233  
... ... @@ -1238,7 +1238,6 @@
1238 1238  
1239 1239  = 3. Sensors and Accessories =
1240 1240  
1241 -
1242 1242  == 3.1 E2 Extension Cable ==
1243 1243  
1244 1244  
... ... @@ -1285,6 +1285,8 @@
1285 1285  * Operating Range: -40 ~~ 125 °C
1286 1286  * Working voltage 2.35v ~~ 5v
1287 1287  
1155 +
1156 +
1288 1288  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1289 1289  
1290 1290  
... ... @@ -1354,6 +1354,8 @@
1354 1354  
1355 1355  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1356 1356  
1226 +
1227 +
1357 1357  == 4.2 Set External Sensor Mode ==
1358 1358  
1359 1359  
... ... @@ -1377,6 +1377,8 @@
1377 1377  
1378 1378  * 0xA20702003c: Same as AT+SETCNT=60
1379 1379  
1251 +
1252 +
1380 1380  == 4.3 Enable/Disable uplink Temperature probe ID ==
1381 1381  
1382 1382  
... ... @@ -1407,6 +1407,8 @@
1407 1407  * **0xA800**  **~-~->** AT+PID=0
1408 1408  * **0xA801**     **~-~->** AT+PID=1
1409 1409  
1283 +
1284 +
1410 1410  == 4.4 Set Password ==
1411 1411  
1412 1412  
... ... @@ -1449,6 +1449,8 @@
1449 1449  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1450 1450  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1451 1451  
1327 +
1328 +
1452 1452  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1453 1453  
1454 1454  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1458,6 +1458,8 @@
1458 1458  
1459 1459  * There is no downlink command to set to Sleep mode.
1460 1460  
1338 +
1339 +
1461 1461  == 4.7 Set system time ==
1462 1462  
1463 1463  
... ... @@ -1471,7 +1471,7 @@
1471 1471  
1472 1472  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1473 1473  
1474 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1353 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1475 1475  
1476 1476  
1477 1477  
... ... @@ -1495,8 +1495,8 @@
1495 1495  
1496 1496  (% style="color:#4f81bd" %)**Downlink Command:**
1497 1497  
1498 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1499 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1377 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1378 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1500 1500  
1501 1501  
1502 1502  
... ... @@ -1513,7 +1513,7 @@
1513 1513  
1514 1514  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1515 1515  
1516 -**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1395 +**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1517 1517  
1518 1518  
1519 1519  
... ... @@ -1536,10 +1536,8 @@
1536 1536  
1537 1537  == 4.11 Print last few data entries. ==
1538 1538  
1539 -
1540 1540  Feature: Print the last few data entries
1541 1541  
1542 -
1543 1543  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1544 1544  
1545 1545  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1553,7 +1553,6 @@
1553 1553  
1554 1554  == 4.12 Clear Flash Record ==
1555 1555  
1556 -
1557 1557  Feature: Clear flash storage for data log feature.
1558 1558  
1559 1559  
... ... @@ -1564,15 +1564,14 @@
1564 1564  
1565 1565  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1566 1566  
1567 -* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1443 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
1568 1568  
1445 +
1569 1569  == 4.13 Auto Send None-ACK messages ==
1570 1570  
1571 -
1572 1572  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1573 1573  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.
1574 1574  
1575 -
1576 1576  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1577 1577  
1578 1578  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1584,63 +1584,13 @@
1584 1584  
1585 1585  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1586 1586  
1587 -* Example: 0x3401 ~/~/  Same as AT+PNACKMD=1
1462 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1588 1588  
1589 -== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1590 1590  
1591 -
1592 -Feature: Set internal and external temperature sensor alarms.
1593 -
1594 -(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1595 -|(%%)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|(%%)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|(%%)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1596 -|(%%)(% style="color:#037691" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|Set internal and external temperature sensor alarms|OK
1597 -
1598 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
1599 -
1600 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
1601 -
1602 -0): Cancel
1603 -
1604 -1): Threshold alarm
1605 -
1606 -2): Fluctuation alarm
1607 -
1608 -
1609 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
1610 -
1611 -(% 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.**
1612 -
1613 -
1614 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
1615 -
1616 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
1617 -
1618 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
1619 -
1620 -
1621 -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.
1622 -
1623 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
1624 -
1625 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
1626 -
1627 -
1628 -(% style="color:#4f81bd" %)**Downlink Command: 0xA5**
1629 -
1630 -0xA5 00 ~-~- AT+WMOD=0.
1631 -
1632 -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 )
1633 -
1634 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1635 -
1636 -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.
1637 -
1638 1638  = 5. Battery & How to replace =
1639 1639  
1640 -
1641 1641  == 5.1 Battery Type ==
1642 1642  
1643 -
1644 1644  (((
1645 1645  (((
1646 1646  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.
... ... @@ -1661,10 +1661,8 @@
1661 1661  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1662 1662  
1663 1663  
1664 -
1665 1665  == 5.2 Replace Battery ==
1666 1666  
1667 -
1668 1668  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.
1669 1669  
1670 1670  [[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"]]
... ... @@ -1672,7 +1672,6 @@
1672 1672  
1673 1673  == 5.3 Battery Life Analyze ==
1674 1674  
1675 -
1676 1676  (((
1677 1677  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:
1678 1678  [[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]]
... ... @@ -1690,10 +1690,8 @@
1690 1690  
1691 1691  = 6. FAQ =
1692 1692  
1693 -
1694 1694  == 6.1 How to use AT Command? ==
1695 1695  
1696 -
1697 1697  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.
1698 1698  
1699 1699  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1704,6 +1704,7 @@
1704 1704  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1705 1705  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1706 1706  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1527 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1707 1707  
1708 1708  (((
1709 1709  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.
... ... @@ -1911,43 +1911,40 @@
1911 1911  AT+PID:  Get or set the PID
1912 1912  
1913 1913  
1914 -
1915 1915  == 6.2 Where to use AT commands and Downlink commands ==
1916 1916  
1737 +(% _msthash="506131" _msttexthash="14585714" %)
1738 +AT commands：
1917 1917  
1918 -**AT commands：**
1919 -
1920 1920  [[image:image-20220620153708-1.png||height="603" width="723"]]
1921 1921  
1742 +(% _msthash="506132" _msttexthash="337922" %)
1743 +Downlink commands:
1922 1922  
1923 -**Downlink commands:**
1924 1924  
1746 +(% _msthash="506133" _msttexthash="33046" %)
1747 +**TTN:**
1925 1925  
1926 -
1927 -(% style="color:blue" %)**TTN:**
1928 -
1929 1929  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1930 1930  
1931 1931  
1752 +(% _msthash="506134" _msttexthash="11113791" %)
1753 +**Helium：**
1932 1932  
1933 -(% style="color:blue" %)**Helium：**
1934 -
1935 1935  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1936 1936  
1937 1937  
1758 +(% _msthash="506135" _msttexthash="4159844" %)
1759 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1938 1938  
1939 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1940 -
1941 -
1942 1942  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1943 1943  
1944 -
1945 1945  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1946 1946  
1947 1947  
1766 +(% _msthash="506136" _msttexthash="39286" %)
1767 +**Aws:**
1948 1948  
1949 -(% style="color:blue" %)**Aws:**
1950 -
1951 1951  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1952 1952  
1953 1953  
... ... @@ -1954,14 +1954,12 @@
1954 1954  
1955 1955  == 6.3 How to change the uplink interval？ ==
1956 1956  
1775 +[[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"]]
1957 1957  
1958 -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);"]]
1959 1959  
1960 1960  
1961 -
1962 1962  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1963 1963  
1964 -
1965 1965  [[image:image-20220615153355-1.png]]
1966 1966  
1967 1967  [[image:1655802313617-381.png]]
... ... @@ -1989,7 +1989,6 @@
1989 1989  [[image:image-20220615170542-5.png]]
1990 1990  
1991 1991  
1992 -
1993 1993  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1994 1994  
1995 1995  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2003,7 +2003,6 @@
2003 2003  [[image:image-20220621170938-2.png]]
2004 2004  
2005 2005  
2006 -
2007 2007  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2008 2008  
2009 2009  [[image:image-20220615171334-6.png]]
... ... @@ -2020,16 +2020,13 @@
2020 2020  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
2021 2021  
2022 2022  
2023 -
2024 2024  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
2025 2025  
2026 -
2027 2027  [[image:image-20220623110706-1.png]]
2028 2028  
2029 2029  
2030 2030  [[image:image-20220623112117-4.png||height="459" width="343"]]
2031 2031  
2032 -
2033 2033  (((
2034 2034  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.
2035 2035  )))
... ... @@ -2040,19 +2040,15 @@
2040 2040  [[image:image-20220615154519-3.png||height="672" width="807"]]
2041 2041  
2042 2042  
2043 -
2044 2044  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2045 2045  
2046 -
2047 2047  [[image:image-20220623110706-1.png]]
2048 2048  
2049 -
2050 2050  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2051 2051  
2052 2052  [[image:image-20220615170542-5.png]]
2053 2053  
2054 2054  
2055 -
2056 2056  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2057 2057  
2058 2058  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2064,8 +2064,6 @@
2064 2064  (% _msthash="506146" _msttexthash="52173160" %)
2065 2065  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2066 2066  
2067 -
2068 -
2069 2069  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2070 2070  
2071 2071  [[image:image-20220615171334-6.png]]
... ... @@ -2082,7 +2082,6 @@
2082 2082  Finally,restart reset device again
2083 2083  
2084 2084  
2085 -
2086 2086  = 7. Order Info =
2087 2087  
2088 2088  
... ... @@ -2090,13 +2090,20 @@
2090 2090  
2091 2091  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2092 2092  
2093 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1897 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1898 +
2094 2094  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1900 +
2095 2095  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1902 +
2096 2096  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1904 +
2097 2097  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1906 +
2098 2098  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1908 +
2099 2099  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1910 +
2100 2100  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2101 2101  
2102 2102  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2103,6 +2103,7 @@
2103 2103  
2104 2104  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2105 2105  
1917 +
2106 2106  = 8. Packing Info =
2107 2107  
2108 2108  
... ... @@ -2116,19 +2116,16 @@
2116 2116  * Device Size:  10 x 10 x 3.5 cm
2117 2117  * Device Weight: 120.5g
2118 2118  
1931 +
2119 2119  = 9. Reference material =
2120 2120  
2121 -
2122 2122  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2123 2123  
1936 +
2124 2124  = 10. FCC Warning =
2125 2125  
2126 -
2127 2127  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2128 2128  
2129 2129  (1) This device may not cause harmful interference；
2130 2130  
2131 2131  (2) this device must accept any interference received, including interference that may cause undesired operation.
2132 -
2133 -
2134 -
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