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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.10
edited by Xiaoling
on 2022/08/08 16:46
Change comment: There is no comment for this version
To version 201.2
edited by Xiaoling
on 2022/09/27 16:35
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 +
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  
... ... @@ -44,6 +44,7 @@
44 44  )))
45 45  
46 46  
48 +
47 47  == 1.2 Features ==
48 48  
49 49  
... ... @@ -57,12 +57,14 @@
57 57  * Built-in Temperature & Humidity sensor
58 58  * Optional External Sensors
59 59  * Tri-color LED to indicate working status
60 -* Datalog feature
62 +* Datalog feature (Max 3328 records)
61 61  
64 +
65 +
62 62  == 1.3 Specification ==
63 63  
64 64  
65 -**Built-in Temperature Sensor:**
69 +(% style="color:#037691" %)**Built-in Temperature Sensor:**
66 66  
67 67  * Resolution: 0.01 °C
68 68  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -69,7 +69,7 @@
69 69  * Long Term Drift: < 0.02 °C/yr
70 70  * Operating Range: -40 ~~ 85 °C
71 71  
72 -**Built-in Humidity Sensor:**
76 +(% style="color:#037691" %)**Built-in Humidity Sensor:**
73 73  
74 74  * Resolution: 0.04 %RH
75 75  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -76,7 +76,7 @@
76 76  * Long Term Drift: < 0.02 °C/yr
77 77  * Operating Range: 0 ~~ 96 %RH
78 78  
79 -**External Temperature Sensor:**
83 +(% style="color:#037691" %)**External Temperature Sensor:**
80 80  
81 81  * Resolution: 0.0625 °C
82 82  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -83,8 +83,11 @@
83 83  * ±2°C accuracy from -55°C to +125°C
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
90 +
91 +
86 86  = 2. Connect LHT65N to IoT Server =
87 87  
94 +
88 88  == 2.1 How does LHT65N work? ==
89 89  
90 90  
... ... @@ -129,6 +129,7 @@
129 129  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
130 130  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.
131 131  
139 +
132 132  (% _mstvisible="1" class="wikigeneratedid" %)
133 133  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
134 134  
... ... @@ -272,6 +272,9 @@
272 272  * The 7th byte (EXT #): defines the external sensor model.
273 273  * 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.)
274 274  
283 +
284 +
285 +
275 275  === 2.4.1 Decoder in TTN V3 ===
276 276  
277 277  
... ... @@ -304,6 +304,9 @@
304 304  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
305 305  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
306 306  
318 +
319 +
320 +
307 307  === 2.4.3 Built-in Temperature ===
308 308  
309 309  
... ... @@ -315,6 +315,9 @@
315 315  
316 316  * Temperature:  (0xF5C6-65536)/100=-26.18℃
317 317  
332 +
333 +
334 +
318 318  === 2.4.4 Built-in Humidity ===
319 319  
320 320  
... ... @@ -322,6 +322,9 @@
322 322  
323 323  * Humidity:    0x025C/10=60.4%
324 324  
342 +
343 +
344 +
325 325  === 2.4.5 Ext # ===
326 326  
327 327  
... ... @@ -333,6 +333,7 @@
333 333  
334 334  === 2.4.6 Ext value ===
335 335  
356 +
336 336  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
337 337  
338 338  
... ... @@ -478,6 +478,9 @@
478 478  * (% 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.
479 479  * (% 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)
480 480  
502 +
503 +
504 +
481 481  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
482 482  
483 483  
... ... @@ -487,7 +487,7 @@
487 487  
488 488  sensor by setting:
489 489  
490 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
514 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
491 491  
492 492  For example:
493 493  
... ... @@ -510,6 +510,7 @@
510 510  
511 511  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.
512 512  
537 +
513 513  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
514 514  
515 515  [[image:image-20220628151005-5.png]]
... ... @@ -526,6 +526,168 @@
526 526  
527 527  
528 528  
554 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
555 +
556 +
557 +[[image:image-20220927095645-1.png||height="534" width="460"]]
558 +
559 +
560 +**Ext=2,Temperature Sensor(TMP117)：**
561 +
562 +[[image:image-20220906102307-7.png]]
563 +
564 +
565 +(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
566 +
567 +The external cable NE2 can be use for MOD4 and MOD8
568 +
569 +
570 +
571 +
572 +==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
573 +
574 +
575 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
576 +
577 +
578 +(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
579 +
580 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
581 +
582 + In Open State, the power consumption is the same as if there is no probe
583 +
584 + In Close state, the power consumption will be 3uA higher than normal.
585 +
586 +[[image:image-20220906100852-1.png||height="205" width="377"]]
587 +
588 +
589 +Ext=4,Interrupt Sensor：
590 +
591 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
592 +|(% style="width:117px" %)(((
593 +AT+EXT=4,1
594 +)))|(% style="width:371px" %)(((
595 +Sent uplink packet in both rising and falling interrupt
596 +)))
597 +|(% style="width:117px" %)(((
598 +AT+EXT=4,2
599 +)))|(% style="width:371px" %)(((
600 +Sent uplink packet only in falling interrupt
601 +)))
602 +|(% style="width:117px" %)(((
603 +AT+EXT=4,3
604 +)))|(% style="width:371px" %)(((
605 +Sent uplink packet only in rising interrupt
606 +)))
607 +
608 +Trigger by falling edge:
609 +
610 +[[image:image-20220906101145-2.png]]
611 +
612 +
613 +Trigger by raising edge：
614 +
615 +[[image:image-20220906101145-3.png]]
616 +
617 +
618 +
619 +
620 +==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
621 +
622 +
623 +(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
624 +
625 +
626 +(% 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.
627 +
628 +[[image:image-20220906101320-4.png||height="366" width="698"]]
629 +
630 +
631 +(% 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
632 +
633 +[[image:image-20220906101320-5.png||height="353" width="696"]]
634 +
635 +Ext=8, Counting Sensor ( 4 bytes)：
636 +
637 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
638 +|(% style="width:138px" %)(((
639 +AT+EXT=8,0
640 +)))|(% style="width:240px" %)(((
641 +Count at falling interrupt
642 +)))
643 +|(% style="width:138px" %)(((
644 +AT+EXT=8,1
645 +)))|(% style="width:240px" %)(((
646 +Count at rising interrupt
647 +)))
648 +|(% style="width:138px" %)(((
649 +AT+SETCNT=60
650 +)))|(% style="width:240px" %)(((
651 +Sent current count to 60
652 +)))
653 +
654 +[[image:image-20220906101320-6.png]]
655 +
656 +
657 +(% style="color:blue" %)**A2 downlink Command：**
658 +
659 +A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
660 +
661 +A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
662 +
663 +A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
664 +
665 +A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
666 +
667 +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)
668 +
669 +
670 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
671 +
672 +
673 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
674 +
675 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
676 +
677 +0): Cancel
678 +
679 +1): Threshold alarm
680 +
681 +2): Fluctuation alarm
682 +
683 +
684 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
685 +
686 +(% 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.**
687 +
688 +
689 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
690 +
691 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
692 +
693 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
694 +
695 +
696 +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.
697 +
698 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
699 +
700 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
701 +
702 +
703 +(% style="color:blue" %)** Downlink:**
704 +
705 +0xA5 00 ~-~- AT+WMOD=0.
706 +
707 +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 )
708 +
709 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
710 +
711 +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.
712 +
713 +
714 +
715 +
529 529  == 2.5 Show data on Datacake ==
530 530  
531 531  
... ... @@ -589,10 +589,11 @@
589 589  There are two methods:
590 590  
591 591  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
592 -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.
779 +1. 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 message and store the sensor data, and it will send all messages (10s interval) after the network recovery. note: a) LHT65N will do ack check for data records sending to make sure every data arrive server. b) LHT65N will send data in CONFIRMED Mode when PNACKMD=1, but it won't re-transmit the same packet , it will just mark it as NONE-ACK and resend after network is detected.
593 593  
594 594  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
595 595  
783 +
596 596  [[image:image-20220703111700-2.png||height="381" width="1119"]]
597 597  
598 598  
... ... @@ -963,6 +963,7 @@
963 963  (% _mstvisible="1" %)
964 964  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
965 965  
1154 +
966 966  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
967 967  (((
968 968  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1075,6 +1075,9 @@
1075 1075  * RED LED when external sensor is not connected
1076 1076  * For each success downlink, the PURPLE LED will blink once
1077 1077  
1267 +
1268 +
1269 +
1078 1078  == 2.9 installation ==
1079 1079  
1080 1080  
... ... @@ -1085,6 +1085,7 @@
1085 1085  
1086 1086  = 3. Sensors and Accessories =
1087 1087  
1280 +
1088 1088  == 3.1 E2 Extension Cable ==
1089 1089  
1090 1090  
... ... @@ -1131,6 +1131,9 @@
1131 1131  * Operating Range: -40 ~~ 125 °C
1132 1132  * Working voltage 2.35v ~~ 5v
1133 1133  
1327 +
1328 +
1329 +
1134 1134  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1135 1135  
1136 1136  
... ... @@ -1200,6 +1200,9 @@
1200 1200  
1201 1201  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1202 1202  
1399 +
1400 +
1401 +
1203 1203  == 4.2 Set External Sensor Mode ==
1204 1204  
1205 1205  
... ... @@ -1223,6 +1223,9 @@
1223 1223  
1224 1224  * 0xA20702003c: Same as AT+SETCNT=60
1225 1225  
1425 +
1426 +
1427 +
1226 1226  == 4.3 Enable/Disable uplink Temperature probe ID ==
1227 1227  
1228 1228  
... ... @@ -1253,6 +1253,9 @@
1253 1253  * **0xA800**  **~-~->** AT+PID=0
1254 1254  * **0xA801**     **~-~->** AT+PID=1
1255 1255  
1458 +
1459 +
1460 +
1256 1256  == 4.4 Set Password ==
1257 1257  
1258 1258  
... ... @@ -1304,6 +1304,9 @@
1304 1304  
1305 1305  * There is no downlink command to set to Sleep mode.
1306 1306  
1512 +
1513 +
1514 +
1307 1307  == 4.7 Set system time ==
1308 1308  
1309 1309  
... ... @@ -1317,7 +1317,7 @@
1317 1317  
1318 1318  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1319 1319  
1320 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1528 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1321 1321  
1322 1322  
1323 1323  
... ... @@ -1341,8 +1341,8 @@
1341 1341  
1342 1342  (% style="color:#4f81bd" %)**Downlink Command:**
1343 1343  
1344 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1345 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1552 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1553 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1346 1346  
1347 1347  
1348 1348  
... ... @@ -1412,6 +1412,9 @@
1412 1412  
1413 1413  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1414 1414  
1623 +
1624 +
1625 +
1415 1415  == 4.13 Auto Send None-ACK messages ==
1416 1416  
1417 1417  
... ... @@ -1432,8 +1432,12 @@
1432 1432  
1433 1433  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1434 1434  
1646 +
1647 +
1648 +
1435 1435  = 5. Battery & How to replace =
1436 1436  
1651 +
1437 1437  == 5.1 Battery Type ==
1438 1438  
1439 1439  
... ... @@ -1752,7 +1752,7 @@
1752 1752  == 6.3 How to change the uplink interval？ ==
1753 1753  
1754 1754  
1755 -[[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"]]
1970 +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);"]]
1756 1756  
1757 1757  
1758 1758  
... ... @@ -1786,6 +1786,7 @@
1786 1786  [[image:image-20220615170542-5.png]]
1787 1787  
1788 1788  
2004 +
1789 1789  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1790 1790  
1791 1791  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1799,6 +1799,7 @@
1799 1799  [[image:image-20220621170938-2.png]]
1800 1800  
1801 1801  
2018 +
1802 1802  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1803 1803  
1804 1804  [[image:image-20220615171334-6.png]]
... ... @@ -1847,6 +1847,7 @@
1847 1847  [[image:image-20220615170542-5.png]]
1848 1848  
1849 1849  
2067 +
1850 1850  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1851 1851  
1852 1852  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1859,6 +1859,7 @@
1859 1859  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1860 1860  
1861 1861  
2080 +
1862 1862  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1863 1863  
1864 1864  [[image:image-20220615171334-6.png]]
... ... @@ -1883,20 +1883,13 @@
1883 1883  
1884 1884  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1885 1885  
1886 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1887 -
2105 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1888 1888  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1889 -
1890 1890  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1891 -
1892 1892  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1893 -
1894 1894  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1895 -
1896 1896  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1897 -
1898 1898  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1899 -
1900 1900  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1901 1901  
1902 1902  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -1938,3 +1938,6 @@
1938 1938  (1) This device may not cause harmful interference；
1939 1939  
1940 1940  (2) this device must accept any interference received, including interference that may cause undesired operation.
2153 +
2154 +
2155 +
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