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Last modified by Xiaoling on 2023/07/18 10:12
From version 261.1
edited by Xiaoling
on 2023/07/17 15:24
Change comment: Uploaded new attachment "image-20230717152413-11.png", version {1}
To version 252.22
edited by Xiaoling
on 2023/06/19 17:19
Change comment: There is no comment for this version

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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/}}
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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  (((
... ... @@ -55,7 +55,6 @@
55 55  * Tri-color LED to indicate working status
56 56  * Datalog feature (Max 3328 records)
57 57  
58 -
59 59  == 1.3 Specification ==
60 60  
61 61  
... ... @@ -80,7 +80,6 @@
80 80  * ±2°C accuracy from -55°C to +125°C
81 81  * Operating Range: -55 °C ~~ 125 °C
82 82  
83 -
84 84  = 2. Connect LHT65N to IoT Server =
85 85  
86 86  == 2.1 How does LHT65N work? ==
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114 114  )))
115 115  
116 116  
117 -[[image:image-20230717144740-2.png||height="391" width="267"]]
117 +[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
118 118  
119 119  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
120 120  |=(% 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**
... ... @@ -127,7 +127,6 @@
127 127  )))
128 128  |(% 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.
129 129  
130 -
131 131  == 2.3 Example to join LoRaWAN network ==
132 132  
133 133  
... ... @@ -243,7 +243,6 @@
243 243  
244 244  * 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.)
245 245  
246 -
247 247  === 2.4.1 Decoder in TTN V3 ===
248 248  
249 249  
... ... @@ -286,7 +286,6 @@
286 286  
287 287  * Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
288 288  
289 -
290 290  === 2.4.3 Built-in Temperature ===
291 291  
292 292  
... ... @@ -296,21 +296,15 @@
296 296  
297 297  [[image:image-20220522235639-3.png||_mstalt="432120"]]
298 298  
299 -* Temperature:  (0xF5C6-65536)/100=-26.18℃
296 +* Temperature:  (0xF5C6-65536)/100=-26.18℃(% style="display:none" %)
300 300  
301 -
302 -(% style="display:none" %)
303 -
304 304  === 2.4.4 Built-in Humidity ===
305 305  
306 306  
307 307  [[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
308 308  
309 -* Humidity:    0x025C/10=60.4%
303 +* Humidity:    0x025C/10=60.4%(% style="display:none" %)
310 310  
311 -
312 -(% style="display:none" %)
313 -
314 314  === 2.4.5 Ext # ===
315 315  
316 316  
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321 321  |(% style="width:102px" %)0x01|(% style="width:319px" %)Sensor E3, Temperature Sensor
322 322  |(% style="width:102px" %)0x09|(% style="width:319px" %)Sensor E3, Temperature Sensor, Datalog Mod
323 323  
324 -
325 325  === 2.4.6 Ext value ===
326 326  
327 327  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
... ... @@ -411,7 +411,6 @@
411 411  * (% 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.
412 412  * (% 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)
413 413  
414 -
415 415  ==== 2.4.6.3 Ext~=6, ADC Sensor(use with E2 Cable) ====
416 416  
417 417  
... ... @@ -461,30 +461,28 @@
461 461  
462 462  
463 463  
464 -==== 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) ====
465 465  
466 -[[image:image-20230717151328-8.png]]
467 467  
468 -(% style="display:none" %) (%%)
456 +[[image:image-20220927095645-1.png||_mstalt="433771" height="534" width="460"]]
469 469  
470 470  
471 -
472 472  (% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
473 473  
474 474  [[image:image-20220906102307-7.png||_mstalt="430443"]]
475 475  
476 476  
477 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**(% style="color: blue; display: none" %)** **
464 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
478 478  
479 479  The external cable NE2 can be use for MOD4 and MOD8
480 480  
481 481  
482 482  
483 -==== 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) ====
484 484  
485 485  
473 +[[image:65N-E31F.jpg||height="454" width="459"]]
486 486  
487 -[[image:image-20230717151245-7.png]]
488 488  
489 489  (% style="color:blue" %)**Ext=11,Temperature & Humidity Sensor(SHT31)：**
490 490  
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650 650  * (% 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.
651 651  * (% 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)
652 652  
653 -
654 654  == 2.5 Show data on Datacake ==
655 655  
656 656  
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781 781  User can poll sensor value based on timestamps from the server. Below is the downlink command.
782 782  
783 783  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:428px" %)
784 -|(% 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**
785 785  |(% style="width:58px" %)31|(% style="width:128px" %)Timestamp start|(% style="width:123px" %)Timestamp end|(% style="width:116px" %)Uplink Interval
786 786  
787 787  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.
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1067 1067  * RED LED when external sensor is not connected
1068 1068  * For each success downlink, the PURPLE LED will blink once
1069 1069  
1070 -
1071 1071  == 2.9 installation ==
1072 1072  
1073 1073  
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1120 1120  * Operating Range: -40 ~~ 125 °C
1121 1121  * Working voltage 2.35v ~~ 5v
1122 1122  
1123 -
1124 1124  == 3.3 E31F Temperature Probe ==
1125 1125  
1126 1126  
1127 -[[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"]]
1128 1128  
1129 1129  
1130 1130  Temperature sensor with 1 meters cable long
1131 1131  
1132 -
1133 1133  **Built-in Temperature Sensor:**
1134 1134  
1135 1135  * Resolution: 0.01 °C
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1158 1158  * Long Term Drift: < 0.02 °C/yr
1159 1159  * Operating Range: 0 ~~ 96 % RH
1160 1160  
1161 -
1162 1162  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1163 1163  
1164 1164  
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1230 1230  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1231 1231  
1232 1232  
1215 +
1216 +
1233 1233  == 4.2 Set External Sensor Mode ==
1234 1234  
1235 1235  
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1258 1258  * 0xA20702003c: Same as AT+SETCNT=60
1259 1259  
1260 1260  
1245 +
1246 +
1261 1261  == 4.3 Enable/Disable uplink Temperature probe ID ==
1262 1262  
1263 1263  
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1290 1290  * **0xA801**     **~-~->** AT+PID=1
1291 1291  
1292 1292  
1279 +
1280 +
1293 1293  == 4.4 Set Password ==
1294 1294  
1295 1295  
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1350 1350  * There is no downlink command to set to Sleep mode.
1351 1351  
1352 1352  
1341 +
1342 +
1353 1353  == 4.7 Set system time ==
1354 1354  
1355 1355  
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1418 1418  
1419 1419  [[image:image-20230426164330-2.png]]
1420 1420  
1411 +
1421 1421  (% style="color:#4f81bd" %)**Downlink Command:**
1422 1422  
1423 1423  No downlink commands for feature
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1432 1432  
1433 1433  [[image:image-20230426164932-3.png]]
1434 1434  
1426 +
1435 1435  (% style="color:#4f81bd" %)**Downlink Command:**
1436 1436  
1437 1437  No downlink commands for feature
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1442 1442  
1443 1443  Feature: Clear flash storage for data log feature.
1444 1444  
1437 +
1445 1445  (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1446 1446  
1440 +
1447 1447  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:503px" %)
1448 1448  |(% 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**
1449 1449  |(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
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1457 1457  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1458 1458  
1459 1459  
1454 +
1455 +
1460 1460  == 4.13 Auto Send None-ACK messages ==
1461 1461  
1462 1462  
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1475 1475  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1476 1476  
1477 1477  
1474 +
1475 +
1478 1478  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1479 1479  
1480 1480  
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1585 1585  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1586 1586  
1587 1587  (((
1588 -(% _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)**
1589 -
1590 1590  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.
1591 1591  )))
1592 1592  
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1921 1921  
1922 1922  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1923 1923  
1924 -
1925 1925  = 8. Packing Info =
1926 1926  
1927 1927  
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1935 1935  * Device Size:  10 x 10 x 3.5 mm
1936 1936  * Device Weight: 120.5g
1937 1937  
1938 -
1939 1939  = 9. Reference material =
1940 1940  
1941 1941  
1942 1942  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1943 1943  
1944 -
1945 1945  = 10. FCC Warning =
1946 1946  
1947 1947  
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