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Last modified by Xiaoling on 2023/07/18 10:12
From version 252.23
edited by Xiaoling
on 2023/06/19 17:27
Change comment: There is no comment for this version
To version 261.2
edited by Xiaoling
on 2023/07/17 15:24
Change comment: There is no comment for this version

Summary

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1 1  (% style="text-align:center" %)
2 -[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
2 +[[image:image-20230717152014-10.png||height="575" width="339"]]
3 3  
4 4  
5 5  
6 -
7 -
8 8  **Table of Contents:**
9 9  
10 10  {{toc/}}
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15 15  
16 16  = 1. Introduction =
17 17  
18 -== 1.1 What is LHT65N Temperature & Humidity Sensor ==
16 +== 1.1 What is LHT65N LoRaWAN (% style="display:none" %) (%%)Temperature & Humidity Sensor ==
19 19  
20 20  
21 21  (((
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.**
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.**
23 23  )))
24 24  
25 25  (((
... ... @@ -118,7 +118,7 @@
118 118  )))
119 119  
120 120  
121 -[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
119 +[[image:image-20230717144740-2.png||height="391" width="267"]]
122 122  
123 123  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
124 124  |=(% 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**
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132 132  |(% 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.
133 133  
134 134  
135 -
136 136  == 2.3 Example to join LoRaWAN network ==
137 137  
138 138  
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306 306  * Temperature:  (0xF5C6-65536)/100=-26.18℃
307 307  
308 308  
306 +
309 309  (% style="display:none" %)
310 310  
311 311  === 2.4.4 Built-in Humidity ===
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316 316  * Humidity:    0x025C/10=60.4%
317 317  
318 318  
319 -​​​​​​​(% style="display:none" %)
320 320  
318 +(% style="display:none" %)
319 +
321 321  === 2.4.5 Ext # ===
322 322  
323 323  
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329 329  |(% style="width:102px" %)0x09|(% style="width:319px" %)Sensor E3, Temperature Sensor, Datalog Mod
330 330  
331 331  
332 -
333 333  === 2.4.6 Ext value ===
334 334  
335 335  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
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366 366  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:
367 367  )))
368 368  
369 -
370 370  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
371 371  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
372 372  **Size(bytes)**
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470 470  
471 471  
472 472  
473 -==== 2.4.6.4 Ext~=2 TMP117 Sensor(Since Firmware v1.3) ====
470 +==== 2.4.6.4 Ext~=2 TMP117 Sensor((% style="display:none" %) (%%)Since Firmware v1.3)(% style="display:none" %) (%%) ====
474 474  
472 +[[image:image-20230717151328-8.png]]
475 475  
476 -[[image:image-20220927095645-1.png||_mstalt="433771" height="534" width="460"]]
474 +(% style="display:none" %) (%%)
477 477  
478 478  
477 +
479 479  (% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
480 480  
481 481  [[image:image-20220906102307-7.png||_mstalt="430443"]]
482 482  
483 483  
484 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
483 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**(% style="color: blue; display: none" %)** **
485 485  
486 486  The external cable NE2 can be use for MOD4 and MOD8
487 487  
488 488  
489 489  
490 -==== 2.4.6.5 Ext~=11 SHT31 Sensor (Since Firmware v1.4.1) ====
489 +==== 2.4.6.5 Ext~=11 SHT31 Sensor ((% style="display:none" %) (%%)Since Firmware v1.4.1) ====
491 491  
492 492  
493 -[[image:65N-E31F.jpg||height="454" width="459"]]
494 494  
493 +[[image:image-20230717151245-7.png]]
495 495  
496 496  (% style="color:blue" %)**Ext=11,Temperature & Humidity Sensor(SHT31)：**
497 497  
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604 604  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:
605 605  )))
606 606  
607 -
608 608  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
609 609  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
610 610  **Size(bytes)**
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1118 1118  == 3.2 E3 Temperature Probe ==
1119 1119  
1120 1120  
1121 -[[image:image-20220515080154-4.png||_mstalt="434681" alt="photo-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png||_mstalt="428792" height="201" width="195"]]
1119 +[[image:image-20220515080154-4.png||_mstalt="434681" alt="photo-20220515080154-4.png" height="182" width="161"]] [[image:image-20230717152413-11.png||height="207" width="192"]](% style="display:none" %)
1122 1122  
1123 1123  
1124 1124  Temperature sensor with 2 meters cable long
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1130 1130  * Working voltage 2.35v ~~ 5v
1131 1131  
1132 1132  
1133 -
1134 1134  == 3.3 E31F Temperature Probe ==
1135 1135  
1136 1136  
1137 -[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:65N-E31F.jpg||height="196" width="198"]]
1134 +[[image:65N-E31F-1.jpg||height="169" width="170"]] [[image:image-20230717151424-9.png||height="221" width="204"]](% style="display:none" %)
1138 1138  
1139 1139  
1140 1140  Temperature sensor with 1 meters cable long
1141 1141  
1139 +
1142 1142  **Built-in Temperature Sensor:**
1143 1143  
1144 1144  * Resolution: 0.01 °C
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1168 1168  * Operating Range: 0 ~~ 96 % RH
1169 1169  
1170 1170  
1171 -
1172 1172  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1173 1173  
1174 1174  
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1240 1240  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1241 1241  
1242 1242  
1243 -
1244 1244  == 4.2 Set External Sensor Mode ==
1245 1245  
1246 1246  
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1269 1269  * 0xA20702003c: Same as AT+SETCNT=60
1270 1270  
1271 1271  
1272 -
1273 1273  == 4.3 Enable/Disable uplink Temperature probe ID ==
1274 1274  
1275 1275  
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1302 1302  * **0xA801**     **~-~->** AT+PID=1
1303 1303  
1304 1304  
1305 -
1306 1306  == 4.4 Set Password ==
1307 1307  
1308 1308  
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1363 1363  * There is no downlink command to set to Sleep mode.
1364 1364  
1365 1365  
1366 -
1367 1367  == 4.7 Set system time ==
1368 1368  
1369 1369  
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1432 1432  
1433 1433  [[image:image-20230426164330-2.png]]
1434 1434  
1435 -
1436 1436  (% style="color:#4f81bd" %)**Downlink Command:**
1437 1437  
1438 1438  No downlink commands for feature
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1447 1447  
1448 1448  [[image:image-20230426164932-3.png]]
1449 1449  
1450 -
1451 1451  (% style="color:#4f81bd" %)**Downlink Command:**
1452 1452  
1453 1453  No downlink commands for feature
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1458 1458  
1459 1459  Feature: Clear flash storage for data log feature.
1460 1460  
1461 -
1462 1462  (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1463 1463  
1464 -
1465 1465  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:503px" %)
1466 1466  |(% 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**
1467 1467  |(% style="width:155px" %)AT+CLRDTA |(% style="width:134px" %)Clear date record|(% style="width:209px" %)(((
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1475 1475  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1476 1476  
1477 1477  
1478 -
1479 1479  == 4.13 Auto Send None-ACK messages ==
1480 1480  
1481 1481  
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1494 1494  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1495 1495  
1496 1496  
1497 -
1498 1498  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1499 1499  
1500 1500  
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1605 1605  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1606 1606  
1607 1607  (((
1595 +(% _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)**
1596 +
1608 1608  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.
1609 1609  )))
1610 1610  
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1940 1940  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1941 1941  
1942 1942  
1943 -
1944 1944  = 8. Packing Info =
1945 1945  
1946 1946  
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1955 1955  * Device Weight: 120.5g
1956 1956  
1957 1957  
1958 -
1959 1959  = 9. Reference material =
1960 1960  
1961 1961  
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1962 1962  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1963 1963  
1964 1964  
1965 -
1966 1966  = 10. FCC Warning =
1967 1967  
1968 1968  
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