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Last modified by Xiaoling on 2023/07/18 10:12
From version 201.1
edited by Bei Jinggeng
on 2022/09/27 13:34
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

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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  
... ... @@ -65,7 +65,7 @@
65 65  == 1.3 Specification ==
66 66  
67 67  
68 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
66 +**Built-in Temperature Sensor:**
69 69  
70 70  * Resolution: 0.01 °C
71 71  * Accuracy Tolerance : Typ ±0.3 °C
... ... @@ -72,7 +72,7 @@
72 72  * Long Term Drift: < 0.02 °C/yr
73 73  * Operating Range: -40 ~~ 85 °C
74 74  
75 -(% style="color:#037691" %)**Built-in Humidity Sensor:**
73 +**Built-in Humidity Sensor:**
76 76  
77 77  * Resolution: 0.04 %RH
78 78  * Accuracy Tolerance : Typ ±3 %RH
... ... @@ -79,7 +79,7 @@
79 79  * Long Term Drift: < 0.02 °C/yr
80 80  * Operating Range: 0 ~~ 96 %RH
81 81  
82 -(% style="color:#037691" %)**External Temperature Sensor:**
80 +**External Temperature Sensor:**
83 83  
84 84  * Resolution: 0.0625 °C
85 85  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -89,7 +89,6 @@
89 89  
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 -
93 93  == 2.1 How does LHT65N work? ==
94 94  
95 95  
... ... @@ -277,6 +277,7 @@
277 277  * The 7th byte (EXT #): defines the external sensor model.
278 278  * 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.)
279 279  
277 +
280 280  === 2.4.1 Decoder in TTN V3 ===
281 281  
282 282  
... ... @@ -309,6 +309,7 @@
309 309  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
310 310  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
311 311  
310 +
312 312  === 2.4.3 Built-in Temperature ===
313 313  
314 314  
... ... @@ -320,6 +320,7 @@
320 320  
321 321  * Temperature:  (0xF5C6-65536)/100=-26.18℃
322 322  
322 +
323 323  === 2.4.4 Built-in Humidity ===
324 324  
325 325  
... ... @@ -327,6 +327,7 @@
327 327  
328 328  * Humidity:    0x025C/10=60.4%
329 329  
330 +
330 330  === 2.4.5 Ext # ===
331 331  
332 332  
... ... @@ -494,7 +494,7 @@
494 494  
495 495  sensor by setting:
496 496  
497 -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
498 498  
499 499  For example:
500 500  
... ... @@ -517,7 +517,6 @@
517 517  
518 518  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.
519 519  
520 -
521 521  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
522 522  
523 523  [[image:image-20220628151005-5.png]]
... ... @@ -533,33 +533,29 @@
533 533  [[image:image-20220628151143-7.png]]
534 534  
535 535  
536 +==== ====
536 536  
537 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
538 +==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
538 538  
539 -[[image:image-20220927095645-1.png||height="534" width="460"]]
540 +Ext=2,Temperature Sensor(TMP117)：
540 540  
541 -**Ext=2,Temperature Sensor(TMP117)：**
542 -
543 543  [[image:image-20220906102307-7.png]]
544 544  
545 545  
546 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
545 +**Interrupt Mode and Counting Mode**
547 547  
548 548  The external cable NE2 can be use for MOD4 and MOD8
549 549  
550 550  
551 551  
551 +==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
552 552  
553 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
553 +**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
554 554  
555 +**Interrupt Mode can be used to connect to external interrupt sensors such as:**
555 555  
556 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
557 +Case 1:Door Sensor. 3.3v Out for such sensor is just to detect Open/Close.
557 557  
558 -
559 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
560 -
561 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
562 -
563 563   In Open State, the power consumption is the same as if there is no probe
564 564  
565 565   In Close state, the power consumption will be 3uA higher than normal.
... ... @@ -566,23 +566,22 @@
566 566  
567 567  [[image:image-20220906100852-1.png||height="205" width="377"]]
568 568  
569 -
570 570  Ext=4,Interrupt Sensor：
571 571  
572 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
573 -|(% style="width:117px" %)(((
567 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
568 +|(((
574 574  AT+EXT=4,1
575 -)))|(% style="width:371px" %)(((
570 +)))|(% style="width:503px" %)(((
576 576  Sent uplink packet in both rising and falling interrupt
577 577  )))
578 -|(% style="width:117px" %)(((
573 +|(((
579 579  AT+EXT=4,2
580 -)))|(% style="width:371px" %)(((
575 +)))|(% style="width:503px" %)(((
581 581  Sent uplink packet only in falling interrupt
582 582  )))
583 -|(% style="width:117px" %)(((
578 +|(((
584 584  AT+EXT=4,3
585 -)))|(% style="width:371px" %)(((
580 +)))|(% style="width:503px" %)(((
586 586  Sent uplink packet only in rising interrupt
587 587  )))
588 588  
... ... @@ -596,65 +596,66 @@
596 596  [[image:image-20220906101145-3.png]]
597 597  
598 598  
594 +==== ====
599 599  
596 +==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
600 600  
601 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
598 +**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
602 602  
603 603  
604 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
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.
605 605  
606 -
607 -(% 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.
608 -
609 609  [[image:image-20220906101320-4.png||height="366" width="698"]]
610 610  
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
611 611  
612 -(% 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
613 -
614 614  [[image:image-20220906101320-5.png||height="353" width="696"]]
615 615  
616 616  Ext=8, Counting Sensor ( 4 bytes)：
617 617  
618 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
619 -|(% style="width:138px" %)(((
611 +(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
612 +|(((
620 620  AT+EXT=8,0
621 -)))|(% style="width:240px" %)(((
614 +)))|(% style="width:503px" %)(((
622 622  Count at falling interrupt
623 623  )))
624 -|(% style="width:138px" %)(((
617 +|(((
625 625  AT+EXT=8,1
626 -)))|(% style="width:240px" %)(((
619 +)))|(% style="width:503px" %)(((
627 627  Count at rising interrupt
628 628  )))
629 -|(% style="width:138px" %)(((
622 +|(((
630 630  AT+SETCNT=60
631 -)))|(% style="width:240px" %)(((
624 +)))|(% style="width:503px" %)(((
632 632  Sent current count to 60
633 633  )))
634 634  
628 +
635 635  [[image:image-20220906101320-6.png]]
636 636  
637 637  
638 -(% style="color:blue" %)**A2 downlink Command：**
632 +A2 downlink Command：
639 639  
640 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
634 +A2 02: Same as AT+EXT=2 (AT+EXT= second byte)
641 641  
642 -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)
643 643  
644 -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)
645 645  
646 -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)
647 647  
648 -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)
649 649  
650 650  
651 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
652 652  
653 653  
654 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
647 +**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
655 655  
656 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
657 657  
650 +AT+WMOD=parameter1,parameter2,parameter3,parameter4
651 +
652 +Parameter 1: Alarm mode:
653 +
658 658  0): Cancel
659 659  
660 660  1): Threshold alarm
... ... @@ -662,19 +662,19 @@
662 662  2): Fluctuation alarm
663 663  
664 664  
665 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
661 +Parameter 2: Sampling time. Unit: seconds, up to 255 seconds.
666 666  
667 -(% 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.**
668 668  
669 669  
670 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
666 +Parameter 3 and parameter 4:
671 671  
672 -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.
673 673  
674 674  Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
675 675  
676 676  
677 -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.
678 678  
679 679  Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
680 680  
... ... @@ -681,7 +681,7 @@
681 681  If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
682 682  
683 683  
684 -(% style="color:blue" %)** Downlink:**
680 +Downlink:
685 685  
686 686  0xA5 00 ~-~- AT+WMOD=0.
687 687  
... ... @@ -692,8 +692,6 @@
692 692  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.
693 693  
694 694  
695 -
696 -
697 697  == 2.5 Show data on Datacake ==
698 698  
699 699  
... ... @@ -1254,7 +1254,6 @@
1254 1254  
1255 1255  = 3. Sensors and Accessories =
1256 1256  
1257 -
1258 1258  == 3.1 E2 Extension Cable ==
1259 1259  
1260 1260  
... ... @@ -1301,6 +1301,7 @@
1301 1301  * Operating Range: -40 ~~ 125 °C
1302 1302  * Working voltage 2.35v ~~ 5v
1303 1303  
1297 +
1304 1304  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1305 1305  
1306 1306  
... ... @@ -1610,7 +1610,6 @@
1610 1610  
1611 1611  = 5. Battery & How to replace =
1612 1612  
1613 -
1614 1614  == 5.1 Battery Type ==
1615 1615  
1616 1616  
... ... @@ -2060,13 +2060,20 @@
2060 2060  
2061 2061  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2062 2062  
2063 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2056 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2057 +
2064 2064  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2059 +
2065 2065  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2061 +
2066 2066  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2063 +
2067 2067  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2065 +
2068 2068  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2067 +
2069 2069  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2069 +
2070 2070  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2071 2071  
2072 2072  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -2073,7 +2073,6 @@
2073 2073  
2074 2074  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2075 2075  
2076 -
2077 2077  = 8. Packing Info =
2078 2078  
2079 2079  
... ... @@ -2087,13 +2087,11 @@
2087 2087  * Device Size:  10 x 10 x 3.5 cm
2088 2088  * Device Weight: 120.5g
2089 2089  
2090 -
2091 2091  = 9. Reference material =
2092 2092  
2093 2093  
2094 2094  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2095 2095  
2096 -
2097 2097  = 10. FCC Warning =
2098 2098  
2099 2099  
... ... @@ -2102,6 +2102,3 @@
2102 2102  (1) This device may not cause harmful interference；
2103 2103  
2104 2104  (2) this device must accept any interference received, including interference that may cause undesired operation.
2105 -
2106 -
2107 -
image-20220927095645-1.png
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