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Last modified by Xiaoling on 2023/07/18 10:12
From version 261.4
edited by Xiaoling
on 2023/07/17 16:06
Change comment: Update document after refactoring.
To version 252.20
edited by Xiaoling
on 2023/06/19 17:19
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Title
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1 -LHT65N -- LoRaWAN Temperature & Humidity Sensor Manual
1 +LHT65N LoRaWAN Temperature & Humidity Sensor Manual
Parent
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1 -Main.User Manual for LoRaWAN End Nodes.WebHome
1 +Main.WebHome
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230717152014-10.png||height="575" width="339"]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
3 3  
4 4  
5 5  
6 +
7 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -13,11 +13,11 @@
13 13  
14 14  = 1. Introduction =
15 15  
16 -== 1.1 What is LHT65N LoRaWAN (% style="display:none" %) (%%)Temperature & Humidity Sensor ==
18 +== 1.1 What is LHT65N Temperature & Humidity Sensor ==
17 17  
18 18  
19 19  (((
20 -The Dragino LHT65N (% style="display:none" %) (%%)Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.**
22 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor.**
21 21  )))
22 22  
23 23  (((
... ... @@ -55,8 +55,6 @@
55 55  * Tri-color LED to indicate working status
56 56  * Datalog feature (Max 3328 records)
57 57  
58 -
59 -
60 60  == 1.3 Specification ==
61 61  
62 62  
... ... @@ -81,8 +81,6 @@
81 81  * ±2°C accuracy from -55°C to +125°C
82 82  * Operating Range: -55 °C ~~ 125 °C
83 83  
84 -
85 -
86 86  = 2. Connect LHT65N to IoT Server =
87 87  
88 88  == 2.1 How does LHT65N work? ==
... ... @@ -116,7 +116,7 @@
116 116  )))
117 117  
118 118  
119 -[[image:image-20230717144740-2.png||height="391" width="267"]]
117 +[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
120 120  
121 121  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
122 122  |=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
... ... @@ -129,7 +129,6 @@
129 129  )))
130 130  |(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means LHT65N is in Deep Sleep Mode.
131 131  
132 -
133 133  == 2.3 Example to join LoRaWAN network ==
134 134  
135 135  
... ... @@ -245,8 +245,6 @@
245 245  
246 246  * The 8^^th^^ ~~ 11^^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.)
247 247  
248 -
249 -
250 250  === 2.4.1 Decoder in TTN V3 ===
251 251  
252 252  
... ... @@ -289,8 +289,6 @@
289 289  
290 290  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
291 291  
292 -
293 -
294 294  === 2.4.3 Built-in Temperature ===
295 295  
296 296  
... ... @@ -300,23 +300,15 @@
300 300  
301 301  [[image:image-20220522235639-3.png||_mstalt="432120"]]
302 302  
303 -* Temperature:  (0xF5C6-65536)/100=-26.18℃
296 +* Temperature:  (0xF5C6-65536)/100=-26.18℃(% style="display:none" %)
304 304  
305 -
306 -
307 -(% style="display:none" %)
308 -
309 309  === 2.4.4 Built-in Humidity ===
310 310  
311 311  
312 312  [[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
313 313  
314 -* Humidity:    0x025C/10=60.4%
303 +* Humidity:    0x025C/10=60.4%(% style="display:none" %)
315 315  
316 -
317 -
318 -(% style="display:none" %)
319 -
320 320  === 2.4.5 Ext # ===
321 321  
322 322  
... ... @@ -327,7 +327,6 @@
327 327  |(% style="width:102px" %)0x01|(% style="width:319px" %)Sensor E3, Temperature Sensor
328 328  |(% style="width:102px" %)0x09|(% style="width:319px" %)Sensor E3, Temperature Sensor, Datalog Mod
329 329  
330 -
331 331  === 2.4.6 Ext value ===
332 332  
333 333  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
... ... @@ -364,6 +364,7 @@
364 364  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
365 365  )))
366 366  
351 +
367 367  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
368 368  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
369 369  **Size(bytes)**
... ... @@ -416,8 +416,6 @@
416 416  * (% 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.
417 417  * (% 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)
418 418  
419 -
420 -
421 421  ==== 2.4.6.3 Ext~=6, ADC Sensor(use with E2 Cable) ====
422 422  
423 423  
... ... @@ -467,30 +467,28 @@
467 467  
468 468  
469 469  
470 -==== 2.4.6.4 Ext~=2 TMP117 Sensor((% style="display:none" %) (%%)Since Firmware v1.3)(% style="display:none" %) (%%) ====
453 +==== 2.4.6.4 Ext~=2 TMP117 Sensor(Since Firmware v1.3) ====
471 471  
472 -[[image:image-20230717151328-8.png]]
473 473  
474 -(% style="display:none" %) (%%)
456 +[[image:image-20220927095645-1.png||_mstalt="433771" height="534" width="460"]]
475 475  
476 476  
477 -
478 478  (% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
479 479  
480 480  [[image:image-20220906102307-7.png||_mstalt="430443"]]
481 481  
482 482  
483 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**(% style="color: blue; display: none" %)** **
464 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
484 484  
485 485  The external cable NE2 can be use for MOD4 and MOD8
486 486  
487 487  
488 488  
489 -==== 2.4.6.5 Ext~=11 SHT31 Sensor ((% style="display:none" %) (%%)Since Firmware v1.4.1) ====
470 +==== 2.4.6.5 Ext~=11 SHT31 Sensor (Since Firmware v1.4.1) ====
490 490  
491 491  
473 +[[image:65N-E31F.jpg||height="454" width="459"]]
492 492  
493 -[[image:image-20230717151245-7.png]]
494 494  
495 495  (% style="color:blue" %)**Ext=11,Temperature & Humidity Sensor(SHT31)：**
496 496  
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603 603  Timestamp mode is designed for LHT65N with E2 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
604 604  )))
605 605  
587 +
606 606  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
607 607  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
608 608  **Size(bytes)**
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655 655  * (% 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.
656 656  * (% 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)
657 657  
658 -
659 -
660 660  == 2.5 Show data on Datacake ==
661 661  
662 662  
... ... @@ -787,7 +787,7 @@
787 787  User can poll sensor value based on timestamps from the server. Below is the downlink command.
788 788  
789 789  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:428px" %)
790 -|(% style="background-color:#d9e2f3; color:#0070c0; width:58px" %)**1byte**|(% style="background-color:#d9e2f3; color:#0070c0; width:128px" %)**4bytes**|(% style="background-color:#d9e2f3; color:#0070c0; width:123px" %)**4bytes**|(% style="background-color:#d9e2f3; color:#0070c0; width:116px" %)**1byte**
770 +|(% style="width:58px;background-color:#D9E2F3;color:#0070C0" %)**1byte**|(% style="width:128px;background-color:#D9E2F3;color:#0070C0" %)**4bytes**|(% style="width:123px;background-color:#D9E2F3;color:#0070C0" %)**4bytes**|(% style="width:116px;background-color:#D9E2F3;color:#0070C0" %)**1byte**
791 791  |(% style="width:58px" %)31|(% style="width:128px" %)Timestamp start|(% style="width:123px" %)Timestamp end|(% style="width:116px" %)Uplink Interval
792 792  
793 793  Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
... ... @@ -1036,7 +1036,7 @@
1036 1036  )))
1037 1037  
1038 1038  (((
1039 -(% _mstmutation="1" %)**AT+ARTEMP=? **(%%):  Gets the alarm range of the internal temperature sensor(% style="display:none" %)
1019 +(% _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% style="display:none" %)
1040 1040  )))
1041 1041  
1042 1042  (((
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1073 1073  * RED LED when external sensor is not connected
1074 1074  * For each success downlink, the PURPLE LED will blink once
1075 1075  
1076 -
1077 -
1078 1078  == 2.9 installation ==
1079 1079  
1080 1080  
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1092 1092  **1m long breakout cable for LHT65N. Features:**
1093 1093  
1094 1094  * (((
1095 -Use for AT Command, works for both LHT52/LHT65N
1073 +Use for AT Command， works for both LHT52/LHT65N
1096 1096  )))
1097 1097  * (((
1098 1098  Update firmware for LHT65N, works for both LHT52/LHT65N
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1127 1127  * Operating Range: -40 ~~ 125 °C
1128 1128  * Working voltage 2.35v ~~ 5v
1129 1129  
1130 -
1131 1131  == 3.3 E31F Temperature Probe ==
1132 1132  
1133 1133  
1134 -[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:image-20230717151424-9.png||height="221" width="204"]](% style="display:none" %)
1111 +[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:65N-E31F.jpg||height="196" width="198"]]
1135 1135  
1136 1136  
1137 1137  Temperature sensor with 1 meters cable long
1138 1138  
1139 -
1140 1140  **Built-in Temperature Sensor:**
1141 1141  
1142 1142  * Resolution: 0.01 °C
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1165 1165  * Long Term Drift: < 0.02 °C/yr
1166 1166  * Operating Range: 0 ~~ 96 % RH
1167 1167  
1168 -
1169 -
1170 1170  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1171 1171  
1172 1172  
... ... @@ -1239,13 +1239,16 @@
1239 1239  
1240 1240  
1241 1241  
1216 +
1242 1242  == 4.2 Set External Sensor Mode ==
1243 1243  
1244 1244  
1245 1245  Feature: Change External Sensor Mode.
1246 1246  
1222 +
1247 1247  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1248 1248  
1225 +
1249 1249  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:468px" %)
1250 1250  |(% style="background-color:#d9e2f3; color:#0070c0; width:155px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:153px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:160px" %)**Response**
1251 1251  |(% style="width:155px" %)AT+EXT=?|(% style="width:151px" %)Get current external sensor mode|(% style="width:158px" %)1 OK External Sensor mode =1
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1266 1266  
1267 1267  
1268 1268  
1246 +
1269 1269  == 4.3 Enable/Disable uplink Temperature probe ID ==
1270 1270  
1271 1271  
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1299 1299  
1300 1300  
1301 1301  
1280 +
1302 1302  == 4.4 Set Password ==
1303 1303  
1304 1304  
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1360 1360  
1361 1361  
1362 1362  
1342 +
1363 1363  == 4.7 Set system time ==
1364 1364  
1365 1365  
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1428 1428  
1429 1429  [[image:image-20230426164330-2.png]]
1430 1430  
1411 +
1431 1431  (% style="color:#4f81bd" %)**Downlink Command:**
1432 1432  
1433 1433  No downlink commands for feature
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1442 1442  
1443 1443  [[image:image-20230426164932-3.png]]
1444 1444  
1426 +
1445 1445  (% style="color:#4f81bd" %)**Downlink Command:**
1446 1446  
1447 1447  No downlink commands for feature
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1452 1452  
1453 1453  Feature: Clear flash storage for data log feature.
1454 1454  
1437 +
1455 1455  (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1456 1456  
1440 +
1457 1457  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:503px" %)
1458 1458  |(% style="background-color:#d9e2f3; color:#0070c0; width:157px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:137px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:209px" %)**Response**
1459 1459  |(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
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1468 1468  
1469 1469  
1470 1470  
1455 +
1471 1471  == 4.13 Auto Send None-ACK messages ==
1472 1472  
1473 1473  
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1487 1487  
1488 1488  
1489 1489  
1475 +
1490 1490  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1491 1491  
1492 1492  
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1597 1597  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1598 1598  
1599 1599  (((
1600 -(% _mstmutation="1" style="color:red" %)**(Note: This pin only corresponds to the lead-out board sold by dragino company. For the lead-out board purchased by yourself, please refer to the pin description in Chapter 6.6)**
1601 -
1602 1602  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.
1603 1603  )))
1604 1604  
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1933 1933  
1934 1934  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1935 1935  
1936 -
1937 -
1938 1938  = 8. Packing Info =
1939 1939  
1940 1940  
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1948 1948  * Device Size:  10 x 10 x 3.5 mm
1949 1949  * Device Weight: 120.5g
1950 1950  
1951 -
1952 -
1953 1953  = 9. Reference material =
1954 1954  
1955 1955  
1956 1956  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1957 1957  
1958 -
1959 -
1960 1960  = 10. FCC Warning =
1961 1961  
1962 1962  
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