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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 189.11
edited by Xiaoling
on 2022/08/08 16:54
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  
... ... @@ -59,15 +59,12 @@
59 59  * Built-in Temperature & Humidity sensor
60 60  * Optional External Sensors
61 61  * Tri-color LED to indicate working status
62 -* Datalog feature (Max 3328 records)
60 +* Datalog feature
63 63  
64 -
65 -
66 -
67 67  == 1.3 Specification ==
68 68  
69 69  
70 -(% style="color:#037691" %)**Built-in Temperature Sensor:**
65 +**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:**
72 +**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:**
79 +**External Temperature Sensor:**
85 85  
86 86  * Resolution: 0.0625 °C
87 87  * ±0.5°C accuracy from -10°C to +85°C
... ... @@ -88,12 +88,8 @@
88 88  * ±2°C accuracy from -55°C to +125°C
89 89  * Operating Range: -55 °C ~~ 125 °C
90 90  
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  
... ... @@ -281,8 +281,6 @@
281 281  * The 7th byte (EXT #): defines the external sensor model.
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 -
285 -
286 286  === 2.4.1 Decoder in TTN V3 ===
287 287  
288 288  
... ... @@ -315,8 +315,6 @@
315 315  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
316 316  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
317 317  
318 -
319 -
320 320  === 2.4.3 Built-in Temperature ===
321 321  
322 322  
... ... @@ -328,8 +328,6 @@
328 328  
329 329  * Temperature:  (0xF5C6-65536)/100=-26.18℃
330 330  
331 -
332 -
333 333  === 2.4.4 Built-in Humidity ===
334 334  
335 335  
... ... @@ -337,8 +337,6 @@
337 337  
338 338  * Humidity:    0x025C/10=60.4%
339 339  
340 -
341 -
342 342  === 2.4.5 Ext # ===
343 343  
344 344  
... ... @@ -350,7 +350,6 @@
350 350  
351 351  === 2.4.6 Ext value ===
352 352  
353 -
354 354  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
355 355  
356 356  
... ... @@ -496,9 +496,6 @@
496 496  * (% 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.
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 -
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**
490 +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]]
... ... @@ -548,165 +548,6 @@
548 548  
549 549  
550 550  
551 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
552 -
553 -
554 -**Ext=2,Temperature Sensor(TMP117)：**
555 -
556 -[[image:image-20220906102307-7.png]]
557 -
558 -
559 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
560 -
561 -The external cable NE2 can be use for MOD4 and MOD8
562 -
563 -
564 -
565 -
566 -==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
567 -
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.**
570 -
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 - In Open State, the power consumption is the same as if there is no probe
577 -
578 - In Close state, the power consumption will be 3uA higher than normal.
579 -
580 -[[image:image-20220906100852-1.png||height="205" width="377"]]
581 -
582 -
583 -Ext=4,Interrupt Sensor：
584 -
585 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
586 -|(% style="width:117px" %)(((
587 -AT+EXT=4,1
588 -)))|(% style="width:371px" %)(((
589 -Sent uplink packet in both rising and falling interrupt
590 -)))
591 -|(% style="width:117px" %)(((
592 -AT+EXT=4,2
593 -)))|(% style="width:371px" %)(((
594 -Sent uplink packet only in falling interrupt
595 -)))
596 -|(% style="width:117px" %)(((
597 -AT+EXT=4,3
598 -)))|(% style="width:371px" %)(((
599 -Sent uplink packet only in rising interrupt
600 -)))
601 -
602 -Trigger by falling edge:
603 -
604 -[[image:image-20220906101145-2.png]]
605 -
606 -
607 -Trigger by raising edge：
608 -
609 -[[image:image-20220906101145-3.png]]
610 -
611 -
612 -
613 -
614 -==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
615 -
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 -
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 -[[image:image-20220906101320-4.png||height="366" width="698"]]
623 -
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 -[[image:image-20220906101320-5.png||height="353" width="696"]]
628 -
629 -Ext=8, Counting Sensor ( 4 bytes)：
630 -
631 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
632 -|(% style="width:138px" %)(((
633 -AT+EXT=8,0
634 -)))|(% style="width:240px" %)(((
635 -Count at falling interrupt
636 -)))
637 -|(% style="width:138px" %)(((
638 -AT+EXT=8,1
639 -)))|(% style="width:240px" %)(((
640 -Count at rising interrupt
641 -)))
642 -|(% style="width:138px" %)(((
643 -AT+SETCNT=60
644 -)))|(% style="width:240px" %)(((
645 -Sent current count to 60
646 -)))
647 -
648 -[[image:image-20220906101320-6.png]]
649 -
650 -
651 -(% style="color:blue" %)**A2 downlink Command：**
652 -
653 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
654 -
655 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
656 -
657 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
658 -
659 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
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)
662 -
663 -
664 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
665 -
666 -
667 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
668 -
669 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
670 -
671 -0): Cancel
672 -
673 -1): Threshold alarm
674 -
675 -2): Fluctuation alarm
676 -
677 -
678 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
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.**
681 -
682 -
683 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
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.
686 -
687 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
688 -
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.
691 -
692 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
693 -
694 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
695 -
696 -
697 -(% style="color:blue" %)** Downlink:**
698 -
699 -0xA5 00 ~-~- AT+WMOD=0.
700 -
701 -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 )
702 -
703 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
704 -
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 -
707 -
708 -
709 -
710 710  == 2.5 Show data on Datacake ==
711 711  
712 712  
... ... @@ -770,7 +770,7 @@
770 770  There are two methods:
771 771  
772 772  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
773 -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.
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.
774 774  
775 775  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
776 776  
... ... @@ -1256,9 +1256,6 @@
1256 1256  * RED LED when external sensor is not connected
1257 1257  * For each success downlink, the PURPLE LED will blink once
1258 1258  
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  
... ... @@ -1316,8 +1316,6 @@
1316 1316  * Operating Range: -40 ~~ 125 °C
1317 1317  * Working voltage 2.35v ~~ 5v
1318 1318  
1319 -
1320 -
1321 1321  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1322 1322  
1323 1323  
... ... @@ -1387,9 +1387,6 @@
1387 1387  
1388 1388  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1389 1389  
1390 -
1391 -
1392 -
1393 1393  == 4.2 Set External Sensor Mode ==
1394 1394  
1395 1395  
... ... @@ -1413,9 +1413,6 @@
1413 1413  
1414 1414  * 0xA20702003c: Same as AT+SETCNT=60
1415 1415  
1416 -
1417 -
1418 -
1419 1419  == 4.3 Enable/Disable uplink Temperature probe ID ==
1420 1420  
1421 1421  
... ... @@ -1446,9 +1446,6 @@
1446 1446  * **0xA800**  **~-~->** AT+PID=0
1447 1447  * **0xA801**     **~-~->** AT+PID=1
1448 1448  
1449 -
1450 -
1451 -
1452 1452  == 4.4 Set Password ==
1453 1453  
1454 1454  
... ... @@ -1500,9 +1500,6 @@
1500 1500  
1501 1501  * There is no downlink command to set to Sleep mode.
1502 1502  
1503 -
1504 -
1505 -
1506 1506  == 4.7 Set system time ==
1507 1507  
1508 1508  
... ... @@ -1611,9 +1611,6 @@
1611 1611  
1612 1612  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1613 1613  
1614 -
1615 -
1616 -
1617 1617  == 4.13 Auto Send None-ACK messages ==
1618 1618  
1619 1619  
... ... @@ -1634,12 +1634,8 @@
1634 1634  
1635 1635  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1636 1636  
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
1886 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1887 +
2093 2093  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1889 +
2094 2094  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1891 +
2095 2095  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1893 +
2096 2096  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1895 +
2097 2097  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1897 +
2098 2098  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1899 +
2099 2099  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2100 2100  
2101 2101  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
... ... @@ -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 -
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