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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 196.1
edited by Bei Jinggeng
on 2022/09/06 10:13
Change comment: Uploaded new attachment "image-20220906101320-6.png", version {1}

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  
... ... @@ -62,10 +62,11 @@
62 62  * Datalog feature (Max 3328 records)
63 63  
64 64  
63 +
65 65  == 1.3 Specification ==
66 66  
67 67  
68 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
67 +**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:**
74 +**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:**
81 +**External Temperature Sensor:**
83 83  
84 84  * Resolution: 0.0625 °C
85 85  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -87,9 +87,9 @@
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 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 +277,8 @@
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  
279 +
280 +
280 280  === 2.4.1 Decoder in TTN V3 ===
281 281  
282 282  
... ... @@ -309,6 +309,8 @@
309 309  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
310 310  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
311 311  
313 +
314 +
312 312  === 2.4.3 Built-in Temperature ===
313 313  
314 314  
... ... @@ -320,6 +320,8 @@
320 320  
321 321  * Temperature:  (0xF5C6-65536)/100=-26.18℃
322 322  
326 +
327 +
323 323  === 2.4.4 Built-in Humidity ===
324 324  
325 325  
... ... @@ -327,6 +327,8 @@
327 327  
328 328  * Humidity:    0x025C/10=60.4%
329 329  
335 +
336 +
330 330  === 2.4.5 Ext # ===
331 331  
332 332  
... ... @@ -485,6 +485,7 @@
485 485  * (% 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)
486 486  
487 487  
495 +
488 488  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
489 489  
490 490  
... ... @@ -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**
505 +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]]
... ... @@ -534,166 +534,6 @@
534 534  
535 535  
536 536  
537 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
538 -
539 -[[image:image-20220927095645-1.png||height="534" width="460"]]
540 -
541 -**Ext=2,Temperature Sensor(TMP117)：**
542 -
543 -[[image:image-20220906102307-7.png]]
544 -
545 -
546 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
547 -
548 -The external cable NE2 can be use for MOD4 and MOD8
549 -
550 -
551 -
552 -
553 -==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
554 -
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 -
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 - In Open State, the power consumption is the same as if there is no probe
564 -
565 - In Close state, the power consumption will be 3uA higher than normal.
566 -
567 -[[image:image-20220906100852-1.png||height="205" width="377"]]
568 -
569 -
570 -Ext=4,Interrupt Sensor：
571 -
572 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
573 -|(% style="width:117px" %)(((
574 -AT+EXT=4,1
575 -)))|(% style="width:371px" %)(((
576 -Sent uplink packet in both rising and falling interrupt
577 -)))
578 -|(% style="width:117px" %)(((
579 -AT+EXT=4,2
580 -)))|(% style="width:371px" %)(((
581 -Sent uplink packet only in falling interrupt
582 -)))
583 -|(% style="width:117px" %)(((
584 -AT+EXT=4,3
585 -)))|(% style="width:371px" %)(((
586 -Sent uplink packet only in rising interrupt
587 -)))
588 -
589 -Trigger by falling edge:
590 -
591 -[[image:image-20220906101145-2.png]]
592 -
593 -
594 -Trigger by raising edge：
595 -
596 -[[image:image-20220906101145-3.png]]
597 -
598 -
599 -
600 -
601 -==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
602 -
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.**
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 -[[image:image-20220906101320-4.png||height="366" width="698"]]
610 -
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 -[[image:image-20220906101320-5.png||height="353" width="696"]]
615 -
616 -Ext=8, Counting Sensor ( 4 bytes)：
617 -
618 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
619 -|(% style="width:138px" %)(((
620 -AT+EXT=8,0
621 -)))|(% style="width:240px" %)(((
622 -Count at falling interrupt
623 -)))
624 -|(% style="width:138px" %)(((
625 -AT+EXT=8,1
626 -)))|(% style="width:240px" %)(((
627 -Count at rising interrupt
628 -)))
629 -|(% style="width:138px" %)(((
630 -AT+SETCNT=60
631 -)))|(% style="width:240px" %)(((
632 -Sent current count to 60
633 -)))
634 -
635 -[[image:image-20220906101320-6.png]]
636 -
637 -
638 -(% style="color:blue" %)**A2 downlink Command：**
639 -
640 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
641 -
642 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
643 -
644 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
645 -
646 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
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)
649 -
650 -
651 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
652 -
653 -
654 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
655 -
656 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
657 -
658 -0): Cancel
659 -
660 -1): Threshold alarm
661 -
662 -2): Fluctuation alarm
663 -
664 -
665 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
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.**
668 -
669 -
670 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
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.
673 -
674 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
675 -
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.
678 -
679 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
680 -
681 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
682 -
683 -
684 -(% style="color:blue" %)** Downlink:**
685 -
686 -0xA5 00 ~-~- AT+WMOD=0.
687 -
688 -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 )
689 -
690 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
691 -
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 -
694 -
695 -
696 -
697 697  == 2.5 Show data on Datacake ==
698 698  
699 699  
... ... @@ -1244,6 +1244,7 @@
1244 1244  * For each success downlink, the PURPLE LED will blink once
1245 1245  
1246 1246  
1094 +
1247 1247  == 2.9 installation ==
1248 1248  
1249 1249  
... ... @@ -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 +1301,8 @@
1301 1301  * Operating Range: -40 ~~ 125 °C
1302 1302  * Working voltage 2.35v ~~ 5v
1303 1303  
1151 +
1152 +
1304 1304  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1305 1305  
1306 1306  
... ... @@ -1371,6 +1371,7 @@
1371 1371  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1372 1372  
1373 1373  
1223 +
1374 1374  == 4.2 Set External Sensor Mode ==
1375 1375  
1376 1376  
... ... @@ -1395,6 +1395,7 @@
1395 1395  * 0xA20702003c: Same as AT+SETCNT=60
1396 1396  
1397 1397  
1248 +
1398 1398  == 4.3 Enable/Disable uplink Temperature probe ID ==
1399 1399  
1400 1400  
... ... @@ -1426,6 +1426,7 @@
1426 1426  * **0xA801**     **~-~->** AT+PID=1
1427 1427  
1428 1428  
1280 +
1429 1429  == 4.4 Set Password ==
1430 1430  
1431 1431  
... ... @@ -1478,6 +1478,7 @@
1478 1478  * There is no downlink command to set to Sleep mode.
1479 1479  
1480 1480  
1333 +
1481 1481  == 4.7 Set system time ==
1482 1482  
1483 1483  
... ... @@ -1587,6 +1587,7 @@
1587 1587  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1588 1588  
1589 1589  
1443 +
1590 1590  == 4.13 Auto Send None-ACK messages ==
1591 1591  
1592 1592  
... ... @@ -1608,9 +1608,9 @@
1608 1608  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1609 1609  
1610 1610  
1465 +
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
1917 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1918 +
2064 2064  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1920 +
2065 2065  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1922 +
2066 2066  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1924 +
2067 2067  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1926 +
2068 2068  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1928 +
2069 2069  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1930 +
2070 2070  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2071 2071  
2072 2072  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -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 -
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