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Last modified by Xiaoling on 2023/07/18 10:12
From version 198.4
edited by Xiaoling
on 2022/09/06 14:30
Change comment: There is no comment for this version
To version 198.1
edited by Bei Jinggeng
on 2022/09/06 10:35
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -16,7 +16,6 @@
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  
... ... @@ -62,12 +62,10 @@
62 62  * Datalog feature (Max 3328 records)
63 63  
64 64  
65 -
66 -
67 67  == 1.3 Specification ==
68 68  
69 69  
70 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
66 +**Built-in Temperature Sensor:**
71 71  
72 72  * Resolution: 0.01 °C
73 73  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -74,7 +74,7 @@
74 74  * Long Term Drift: < 0.02 °C/yr
75 75  * Operating Range: -40 ~~ 85 °C
76 76  
77 -(% style="color:#037691" %)**Built-in Humidity Sensor:**
73 +**Built-in Humidity Sensor:**
78 78  
79 79  * Resolution: 0.04 %RH
80 80  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -81,7 +81,7 @@
81 81  * Long Term Drift: < 0.02 °C/yr
82 82  * Operating Range: 0 ~~ 96 %RH
83 83  
84 -(% style="color:#037691" %)**External Temperature Sensor:**
80 +**External Temperature Sensor:**
85 85  
86 86  * Resolution: 0.0625 °C
87 87  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -89,11 +89,8 @@
89 89  * Operating Range: -55 °C ~~ 125 °C
90 90  
91 91  
92 -
93 -
94 94  = 2. Connect LHT65N to IoT Server =
95 95  
96 -
97 97  == 2.1 How does LHT65N work? ==
98 98  
99 99  
... ... @@ -282,7 +282,6 @@
282 282  * 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.)
283 283  
284 284  
285 -
286 286  === 2.4.1 Decoder in TTN V3 ===
287 287  
288 288  
... ... @@ -316,7 +316,6 @@
316 316  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
317 317  
318 318  
319 -
320 320  === 2.4.3 Built-in Temperature ===
321 321  
322 322  
... ... @@ -329,7 +329,6 @@
329 329  * Temperature:  (0xF5C6-65536)/100=-26.18℃
330 330  
331 331  
332 -
333 333  === 2.4.4 Built-in Humidity ===
334 334  
335 335  
... ... @@ -338,7 +338,6 @@
338 338  * Humidity:    0x025C/10=60.4%
339 339  
340 340  
341 -
342 342  === 2.4.5 Ext # ===
343 343  
344 344  
... ... @@ -497,8 +497,6 @@
497 497  * (% 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)
498 498  
499 499  
500 -
501 -
502 502  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
503 503  
504 504  
... ... @@ -508,7 +508,7 @@
508 508  
509 509  sensor by setting:
510 510  
511 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
498 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
512 512  
513 513  For example:
514 514  
... ... @@ -531,7 +531,6 @@
531 531  
532 532  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.
533 533  
534 -
535 535  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
536 536  
537 537  [[image:image-20220628151005-5.png]]
... ... @@ -547,32 +547,29 @@
547 547  [[image:image-20220628151143-7.png]]
548 548  
549 549  
536 +==== ====
550 550  
551 551  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
552 552  
540 +Ext=2,Temperature Sensor(TMP117)：
553 553  
554 -**Ext=2,Temperature Sensor(TMP117)：**
555 -
556 556  [[image:image-20220906102307-7.png]]
557 557  
558 558  
559 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
545 +**Interrupt Mode and Counting Mode**
560 560  
561 561  The external cable NE2 can be use for MOD4 and MOD8
562 562  
563 563  
564 564  
565 -
566 566  ==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
567 567  
553 +**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
568 568  
569 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
555 +**Interrupt Mode can be used to connect to external interrupt sensors such as:**
570 570  
557 +Case 1:Door Sensor. 3.3v Out for such sensor is just to detect Open/Close.
571 571  
572 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
573 -
574 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
575 -
576 576   In Open State, the power consumption is the same as if there is no probe
577 577  
578 578   In Close state, the power consumption will be 3uA higher than normal.
... ... @@ -579,23 +579,22 @@
579 579  
580 580  [[image:image-20220906100852-1.png||height="205" width="377"]]
581 581  
582 -
583 583  Ext=4,Interrupt Sensor：
584 584  
585 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
586 -|(% style="width:117px" %)(((
567 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
568 +|(((
587 587  AT+EXT=4,1
588 -)))|(% style="width:371px" %)(((
570 +)))|(% style="width:503px" %)(((
589 589  Sent uplink packet in both rising and falling interrupt
590 590  )))
591 -|(% style="width:117px" %)(((
573 +|(((
592 592  AT+EXT=4,2
593 -)))|(% style="width:371px" %)(((
575 +)))|(% style="width:503px" %)(((
594 594  Sent uplink packet only in falling interrupt
595 595  )))
596 -|(% style="width:117px" %)(((
578 +|(((
597 597  AT+EXT=4,3
598 -)))|(% style="width:371px" %)(((
580 +)))|(% style="width:503px" %)(((
599 599  Sent uplink packet only in rising interrupt
600 600  )))
601 601  
... ... @@ -609,65 +609,66 @@
609 609  [[image:image-20220906101145-3.png]]
610 610  
611 611  
594 +==== ====
612 612  
613 -
614 614  ==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
615 615  
598 +**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
616 616  
617 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
618 618  
601 +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.
619 619  
620 -(% 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.
621 -
622 622  [[image:image-20220906101320-4.png||height="366" width="698"]]
623 623  
605 +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
624 624  
625 -(% 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
626 -
627 627  [[image:image-20220906101320-5.png||height="353" width="696"]]
628 628  
629 629  Ext=8, Counting Sensor ( 4 bytes)：
630 630  
631 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
632 -|(% style="width:138px" %)(((
611 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
612 +|(((
633 633  AT+EXT=8,0
634 -)))|(% style="width:240px" %)(((
614 +)))|(% style="width:503px" %)(((
635 635  Count at falling interrupt
636 636  )))
637 -|(% style="width:138px" %)(((
617 +|(((
638 638  AT+EXT=8,1
639 -)))|(% style="width:240px" %)(((
619 +)))|(% style="width:503px" %)(((
640 640  Count at rising interrupt
641 641  )))
642 -|(% style="width:138px" %)(((
622 +|(((
643 643  AT+SETCNT=60
644 -)))|(% style="width:240px" %)(((
624 +)))|(% style="width:503px" %)(((
645 645  Sent current count to 60
646 646  )))
647 647  
628 +
648 648  [[image:image-20220906101320-6.png]]
649 649  
650 650  
651 -(% style="color:blue" %)**A2 downlink Command：**
632 +A2 downlink Command：
652 652  
653 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
634 +A2 02: Same as AT+EXT=2 (AT+EXT= second byte)
654 654  
655 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
636 +A2 06 01 F4: Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
656 656  
657 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
638 +A2 04 02: Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
658 658  
659 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
640 +A2 08 01 00: Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
660 660  
661 -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)
642 +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)
662 662  
663 663  
664 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
665 665  
666 666  
667 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
647 +**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
668 668  
669 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
670 670  
650 +AT+WMOD=parameter1,parameter2,parameter3,parameter4
651 +
652 +Parameter 1: Alarm mode:
653 +
671 671  0): Cancel
672 672  
673 673  1): Threshold alarm
... ... @@ -675,19 +675,19 @@
675 675  2): Fluctuation alarm
676 676  
677 677  
678 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
661 +Parameter 2: Sampling time. Unit: seconds, up to 255 seconds.
679 679  
680 -(% 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.**
663 +**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.**
681 681  
682 682  
683 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
666 +Parameter 3 and parameter 4:
684 684  
685 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
668 +1):If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
686 686  
687 687  Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
688 688  
689 689  
690 -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.
673 +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.
691 691  
692 692  Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
693 693  
... ... @@ -694,7 +694,7 @@
694 694  If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
695 695  
696 696  
697 -(% style="color:blue" %)** Downlink:**
680 +Downlink:
698 698  
699 699  0xA5 00 ~-~- AT+WMOD=0.
700 700  
... ... @@ -705,8 +705,6 @@
705 705  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.
706 706  
707 707  
708 -
709 -
710 710  == 2.5 Show data on Datacake ==
711 711  
712 712  
... ... @@ -1257,8 +1257,6 @@
1257 1257  * For each success downlink, the PURPLE LED will blink once
1258 1258  
1259 1259  
1260 -
1261 -
1262 1262  == 2.9 installation ==
1263 1263  
1264 1264  
... ... @@ -1269,7 +1269,6 @@
1269 1269  
1270 1270  = 3. Sensors and Accessories =
1271 1271  
1272 -
1273 1273  == 3.1 E2 Extension Cable ==
1274 1274  
1275 1275  
... ... @@ -1317,7 +1317,6 @@
1317 1317  * Working voltage 2.35v ~~ 5v
1318 1318  
1319 1319  
1320 -
1321 1321  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1322 1322  
1323 1323  
... ... @@ -1388,8 +1388,6 @@
1388 1388  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1389 1389  
1390 1390  
1391 -
1392 -
1393 1393  == 4.2 Set External Sensor Mode ==
1394 1394  
1395 1395  
... ... @@ -1414,8 +1414,6 @@
1414 1414  * 0xA20702003c: Same as AT+SETCNT=60
1415 1415  
1416 1416  
1417 -
1418 -
1419 1419  == 4.3 Enable/Disable uplink Temperature probe ID ==
1420 1420  
1421 1421  
... ... @@ -1447,8 +1447,6 @@
1447 1447  * **0xA801**     **~-~->** AT+PID=1
1448 1448  
1449 1449  
1450 -
1451 -
1452 1452  == 4.4 Set Password ==
1453 1453  
1454 1454  
... ... @@ -1501,8 +1501,6 @@
1501 1501  * There is no downlink command to set to Sleep mode.
1502 1502  
1503 1503  
1504 -
1505 -
1506 1506  == 4.7 Set system time ==
1507 1507  
1508 1508  
... ... @@ -1612,8 +1612,6 @@
1612 1612  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1613 1613  
1614 1614  
1615 -
1616 -
1617 1617  == 4.13 Auto Send None-ACK messages ==
1618 1618  
1619 1619  
... ... @@ -1635,11 +1635,8 @@
1635 1635  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1636 1636  
1637 1637  
1638 -
1639 -
1640 1640  = 5. Battery & How to replace =
1641 1641  
1642 -
1643 1643  == 5.1 Battery Type ==
1644 1644  
1645 1645  
... ... @@ -2089,13 +2089,20 @@
2089 2089  
2090 2090  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2091 2091  
2092 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2056 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2057 +
2093 2093  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2059 +
2094 2094  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2061 +
2095 2095  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2063 +
2096 2096  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2065 +
2097 2097  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2067 +
2098 2098  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2069 +
2099 2099  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2100 2100  
2101 2101  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2102,9 +2102,6 @@
2102 2102  
2103 2103  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2104 2104  
2105 -
2106 -
2107 -
2108 2108  = 8. Packing Info =
2109 2109  
2110 2110  
... ... @@ -2118,17 +2118,11 @@
2118 2118  * Device Size:  10 x 10 x 3.5 cm
2119 2119  * Device Weight: 120.5g
2120 2120  
2121 -
2122 -
2123 -
2124 2124  = 9. Reference material =
2125 2125  
2126 2126  
2127 2127  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2128 2128  
2129 -
2130 -
2131 -
2132 2132  = 10. FCC Warning =
2133 2133  
2134 2134  
... ... @@ -2137,6 +2137,3 @@
2137 2137  (1) This device may not cause harmful interference；
2138 2138  
2139 2139  (2) this device must accept any interference received, including interference that may cause undesired operation.
2140 -
2141 -
2142 -