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Last modified by Xiaoling on 2023/07/18 10:12
From version 204.1
edited by Edwin Chen
on 2022/10/08 15:03
Change comment: There is no comment for this version
To version 197.1
edited by Bei Jinggeng
on 2022/09/06 10:23
Change comment: Uploaded new attachment "image-20220906102307-7.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
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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  
... ... @@ -61,10 +61,12 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
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
... ... @@ -71,7 +71,7 @@
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:**
74 +**Built-in Humidity Sensor:**
75 75  
76 76  * Resolution: 0.04 %RH
77 77  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -78,7 +78,7 @@
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:**
81 +**External Temperature Sensor:**
82 82  
83 83  * Resolution: 0.0625 °C
84 84  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -85,9 +85,10 @@
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  
90 += 2. Connect LHT65N to IoT Server =
91 +
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  
... ... @@ -277,6 +277,7 @@
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  
279 279  
280 +
280 280  === 2.4.1 Decoder in TTN V3 ===
281 281  
282 282  
... ... @@ -310,6 +310,7 @@
310 310  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
311 311  
312 312  
314 +
313 313  === 2.4.3 Built-in Temperature ===
314 314  
315 315  
... ... @@ -322,6 +322,7 @@
322 322  * Temperature:  (0xF5C6-65536)/100=-26.18℃
323 323  
324 324  
327 +
325 325  === 2.4.4 Built-in Humidity ===
326 326  
327 327  
... ... @@ -330,6 +330,7 @@
330 330  * Humidity:    0x025C/10=60.4%
331 331  
332 332  
336 +
333 333  === 2.4.5 Ext # ===
334 334  
335 335  
... ... @@ -488,6 +488,7 @@
488 488  * (% 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)
489 489  
490 490  
495 +
491 491  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
492 492  
493 493  
... ... @@ -497,7 +497,7 @@
497 497  
498 498  sensor by setting:
499 499  
500 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
505 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
501 501  
502 502  For example:
503 503  
... ... @@ -520,7 +520,6 @@
520 520  
521 521  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.
522 522  
523 -
524 524  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
525 525  
526 526  [[image:image-20220628151005-5.png]]
... ... @@ -537,168 +537,6 @@
537 537  
538 538  
539 539  
540 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
541 -
542 -
543 -[[image:image-20220927095645-1.png||height="534" width="460"]]
544 -
545 -
546 -**Ext=2,Temperature Sensor(TMP117)：**
547 -
548 -[[image:image-20220906102307-7.png]]
549 -
550 -
551 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
552 -
553 -The external cable NE2 can be use for MOD4 and MOD8
554 -
555 -
556 -
557 -
558 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
559 -
560 -
561 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
562 -
563 -
564 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
565 -
566 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
567 -
568 - In Open State, the power consumption is the same as if there is no probe
569 -
570 - In Close state, the power consumption will be 3uA higher than normal.
571 -
572 -[[image:image-20220906100852-1.png||height="205" width="377"]]
573 -
574 -
575 -Ext=4,Interrupt Sensor：
576 -
577 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
578 -|(% style="width:117px" %)(((
579 -AT+EXT=4,1
580 -)))|(% style="width:371px" %)(((
581 -Sent uplink packet in both rising and falling interrupt
582 -)))
583 -|(% style="width:117px" %)(((
584 -AT+EXT=4,2
585 -)))|(% style="width:371px" %)(((
586 -Sent uplink packet only in falling interrupt
587 -)))
588 -|(% style="width:117px" %)(((
589 -AT+EXT=4,3
590 -)))|(% style="width:371px" %)(((
591 -Sent uplink packet only in rising interrupt
592 -)))
593 -
594 -Trigger by falling edge:
595 -
596 -[[image:image-20220906101145-2.png]]
597 -
598 -
599 -Trigger by raising edge：
600 -
601 -[[image:image-20220906101145-3.png]]
602 -
603 -
604 -
605 -
606 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
607 -
608 -
609 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
610 -
611 -
612 -(% 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.
613 -
614 -[[image:image-20220906101320-4.png||height="366" width="698"]]
615 -
616 -
617 -(% 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
618 -
619 -[[image:image-20220906101320-5.png||height="353" width="696"]]
620 -
621 -Ext=8, Counting Sensor ( 4 bytes)：
622 -
623 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
624 -|(% style="width:138px" %)(((
625 -AT+EXT=8,0
626 -)))|(% style="width:240px" %)(((
627 -Count at falling interrupt
628 -)))
629 -|(% style="width:138px" %)(((
630 -AT+EXT=8,1
631 -)))|(% style="width:240px" %)(((
632 -Count at rising interrupt
633 -)))
634 -|(% style="width:138px" %)(((
635 -AT+SETCNT=60
636 -)))|(% style="width:240px" %)(((
637 -Sent current count to 60
638 -)))
639 -
640 -[[image:image-20220906101320-6.png]]
641 -
642 -
643 -(% style="color:blue" %)**A2 downlink Command：**
644 -
645 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
646 -
647 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
648 -
649 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
650 -
651 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
652 -
653 -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)
654 -
655 -
656 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
657 -
658 -
659 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
660 -
661 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
662 -
663 -0): Cancel
664 -
665 -1): Threshold alarm
666 -
667 -2): Fluctuation alarm
668 -
669 -
670 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
671 -
672 -(% 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.**
673 -
674 -
675 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
676 -
677 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
678 -
679 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
680 -
681 -
682 -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.
683 -
684 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
685 -
686 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
687 -
688 -
689 -(% style="color:blue" %)** Downlink:**
690 -
691 -0xA5 00 ~-~- AT+WMOD=0.
692 -
693 -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 )
694 -
695 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
696 -
697 -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.
698 -
699 -
700 -
701 -
702 702  == 2.5 Show data on Datacake ==
703 703  
704 704  
... ... @@ -761,19 +761,11 @@
761 761  
762 762  There are two methods:
763 763  
764 -**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
606 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
607 +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.
765 765  
766 -
767 -**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.
768 -
769 -**Note for method 2:**
770 -
771 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
772 -* 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.
773 -
774 774  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
775 775  
776 -
777 777  [[image:image-20220703111700-2.png||height="381" width="1119"]]
778 778  
779 779  
... ... @@ -995,18 +995,15 @@
995 995  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
996 996  
997 997  (% _mstvisible="1" %)
832 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
833 +
834 +(% _mstvisible="1" %)
998 998  (((
999 999  (% _mstvisible="2" %)
1000 1000  (((
1001 1001  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
1002 1002  (((
1003 -[[image:image-20221006192726-1.png||height="112" width="754"]]
1004 -
1005 -(% 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)
1006 -
1007 -(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
1008 -
1009 -
840 +Poll Message Flag: 1: This message is a poll message reply.
1010 1010  )))
1011 1011  )))
1012 1012  )))
... ... @@ -1147,7 +1147,6 @@
1147 1147  (% _mstvisible="1" %)
1148 1148  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1149 1149  
1150 -
1151 1151  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1152 1152  (((
1153 1153  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1261,6 +1261,7 @@
1261 1261  * For each success downlink, the PURPLE LED will blink once
1262 1262  
1263 1263  
1094 +
1264 1264  == 2.9 installation ==
1265 1265  
1266 1266  
... ... @@ -1271,7 +1271,6 @@
1271 1271  
1272 1272  = 3. Sensors and Accessories =
1273 1273  
1274 -
1275 1275  == 3.1 E2 Extension Cable ==
1276 1276  
1277 1277  
... ... @@ -1319,6 +1319,7 @@
1319 1319  * Working voltage 2.35v ~~ 5v
1320 1320  
1321 1321  
1152 +
1322 1322  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1323 1323  
1324 1324  
... ... @@ -1389,6 +1389,7 @@
1389 1389  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1390 1390  
1391 1391  
1223 +
1392 1392  == 4.2 Set External Sensor Mode ==
1393 1393  
1394 1394  
... ... @@ -1413,6 +1413,7 @@
1413 1413  * 0xA20702003c: Same as AT+SETCNT=60
1414 1414  
1415 1415  
1248 +
1416 1416  == 4.3 Enable/Disable uplink Temperature probe ID ==
1417 1417  
1418 1418  
... ... @@ -1444,6 +1444,7 @@
1444 1444  * **0xA801**     **~-~->** AT+PID=1
1445 1445  
1446 1446  
1280 +
1447 1447  == 4.4 Set Password ==
1448 1448  
1449 1449  
... ... @@ -1496,6 +1496,7 @@
1496 1496  * There is no downlink command to set to Sleep mode.
1497 1497  
1498 1498  
1333 +
1499 1499  == 4.7 Set system time ==
1500 1500  
1501 1501  
... ... @@ -1509,7 +1509,7 @@
1509 1509  
1510 1510  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511 1511  
1512 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1347 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1513 1513  
1514 1514  
1515 1515  
... ... @@ -1533,8 +1533,8 @@
1533 1533  
1534 1534  (% style="color:#4f81bd" %)**Downlink Command:**
1535 1535  
1536 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1537 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1371 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1372 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1538 1538  
1539 1539  
1540 1540  
... ... @@ -1605,6 +1605,7 @@
1605 1605  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1606 1606  
1607 1607  
1443 +
1608 1608  == 4.13 Auto Send None-ACK messages ==
1609 1609  
1610 1610  
... ... @@ -1626,9 +1626,9 @@
1626 1626  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1627 1627  
1628 1628  
1465 +
1629 1629  = 5. Battery & How to replace =
1630 1630  
1631 -
1632 1632  == 5.1 Battery Type ==
1633 1633  
1634 1634  
... ... @@ -1947,7 +1947,7 @@
1947 1947  == 6.3 How to change the uplink interval？ ==
1948 1948  
1949 1949  
1950 -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);"]]
1786 +[[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"]]
1951 1951  
1952 1952  
1953 1953  
... ... @@ -1981,7 +1981,6 @@
1981 1981  [[image:image-20220615170542-5.png]]
1982 1982  
1983 1983  
1984 -
1985 1985  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1986 1986  
1987 1987  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1995,7 +1995,6 @@
1995 1995  [[image:image-20220621170938-2.png]]
1996 1996  
1997 1997  
1998 -
1999 1999  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2000 2000  
2001 2001  [[image:image-20220615171334-6.png]]
... ... @@ -2044,7 +2044,6 @@
2044 2044  [[image:image-20220615170542-5.png]]
2045 2045  
2046 2046  
2047 -
2048 2048  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2049 2049  
2050 2050  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -2057,7 +2057,6 @@
2057 2057  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2058 2058  
2059 2059  
2060 -
2061 2061  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2062 2062  
2063 2063  [[image:image-20220615171334-6.png]]
... ... @@ -2082,13 +2082,20 @@
2082 2082  
2083 2083  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2084 2084  
2085 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1917 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1918 +
2086 2086  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1920 +
2087 2087  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1922 +
2088 2088  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1924 +
2089 2089  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1926 +
2090 2090  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1928 +
2091 2091  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1930 +
2092 2092  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2093 2093  
2094 2094  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2124,6 +2124,3 @@
2124 2124  (1) This device may not cause harmful interference；
2125 2125  
2126 2126  (2) this device must accept any interference received, including interference that may cause undesired operation.
2127 -
2128 -
2129 -
image-20220927095645-1.png
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1 -XWiki.Bei
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