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Last modified by Xiaoling on 2023/07/18 10:12
From version 198.2
edited by Xiaoling
on 2022/09/06 14:22
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
... ... @@ -1,1 +1,1 @@
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  
... ... @@ -62,10 +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  
... ... @@ -320,7 +320,6 @@
320 320  
321 321  * Temperature:  0x0ABB/100=27.47℃
322 322  
323 -
324 324  [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
325 325  
326 326  * Temperature:  (0xF5C6-65536)/100=-26.18℃
... ... @@ -495,7 +495,6 @@
495 495  
496 496  
497 497  
498 -
499 499  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
500 500  
501 501  
... ... @@ -505,7 +505,7 @@
505 505  
506 506  sensor by setting:
507 507  
508 -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
509 509  
510 510  For example:
511 511  
... ... @@ -528,7 +528,6 @@
528 528  
529 529  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.
530 530  
531 -
532 532  1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
533 533  
534 534  [[image:image-20220628151005-5.png]]
... ... @@ -545,165 +545,6 @@
545 545  
546 546  
547 547  
548 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
549 -
550 -
551 -**Ext=2,Temperature Sensor(TMP117)：**
552 -
553 -[[image:image-20220906102307-7.png]]
554 -
555 -
556 -(% style="color:blue" %)**Interrupt Mode and Counting Mode:**
557 -
558 -The external cable NE2 can be use for MOD4 and MOD8
559 -
560 -
561 -
562 -
563 -==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
564 -
565 -
566 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
567 -
568 -
569 -(% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
570 -
571 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
572 -
573 - In Open State, the power consumption is the same as if there is no probe
574 -
575 - In Close state, the power consumption will be 3uA higher than normal.
576 -
577 -[[image:image-20220906100852-1.png||height="205" width="377"]]
578 -
579 -
580 -Ext=4,Interrupt Sensor：
581 -
582 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
583 -|(% style="width:117px" %)(((
584 -AT+EXT=4,1
585 -)))|(% style="width:371px" %)(((
586 -Sent uplink packet in both rising and falling interrupt
587 -)))
588 -|(% style="width:117px" %)(((
589 -AT+EXT=4,2
590 -)))|(% style="width:371px" %)(((
591 -Sent uplink packet only in falling interrupt
592 -)))
593 -|(% style="width:117px" %)(((
594 -AT+EXT=4,3
595 -)))|(% style="width:371px" %)(((
596 -Sent uplink packet only in rising interrupt
597 -)))
598 -
599 -Trigger by falling edge:
600 -
601 -[[image:image-20220906101145-2.png]]
602 -
603 -
604 -Trigger by raising edge：
605 -
606 -[[image:image-20220906101145-3.png]]
607 -
608 -
609 -
610 -
611 -==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
612 -
613 -
614 -(% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
615 -
616 -
617 -(% 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.
618 -
619 -[[image:image-20220906101320-4.png||height="366" width="698"]]
620 -
621 -
622 -(% 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
623 -
624 -[[image:image-20220906101320-5.png||height="353" width="696"]]
625 -
626 -Ext=8, Counting Sensor ( 4 bytes)：
627 -
628 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
629 -|(% style="width:138px" %)(((
630 -AT+EXT=8,0
631 -)))|(% style="width:240px" %)(((
632 -Count at falling interrupt
633 -)))
634 -|(% style="width:138px" %)(((
635 -AT+EXT=8,1
636 -)))|(% style="width:240px" %)(((
637 -Count at rising interrupt
638 -)))
639 -|(% style="width:138px" %)(((
640 -AT+SETCNT=60
641 -)))|(% style="width:240px" %)(((
642 -Sent current count to 60
643 -)))
644 -
645 -[[image:image-20220906101320-6.png]]
646 -
647 -
648 -(% style="color:blue" %)**A2 downlink Command：**
649 -
650 -A2 02:  Same as AT+EXT=2 (AT+EXT= second byte)
651 -
652 -A2 06 01 F4:  Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
653 -
654 -A2 04 02:  Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
655 -
656 -A2 08 01 00:  Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
657 -
658 -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)
659 -
660 -
661 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
662 -
663 -
664 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
665 -
666 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
667 -
668 -0): Cancel
669 -
670 -1): Threshold alarm
671 -
672 -2): Fluctuation alarm
673 -
674 -
675 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
676 -
677 -(% 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.**
678 -
679 -
680 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
681 -
682 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
683 -
684 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
685 -
686 -
687 -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.
688 -
689 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
690 -
691 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
692 -
693 -
694 -(% style="color:blue" %)** Downlink:**
695 -
696 -0xA5 00 ~-~- AT+WMOD=0.
697 -
698 -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 )
699 -
700 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
701 -
702 -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.
703 -
704 -
705 -
706 -
707 707  == 2.5 Show data on Datacake ==
708 708  
709 709  
... ... @@ -1253,6 +1253,8 @@
1253 1253  * RED LED when external sensor is not connected
1254 1254  * For each success downlink, the PURPLE LED will blink once
1255 1255  
1093 +
1094 +
1256 1256  == 2.9 installation ==
1257 1257  
1258 1258  
... ... @@ -1309,6 +1309,8 @@
1309 1309  * Operating Range: -40 ~~ 125 °C
1310 1310  * Working voltage 2.35v ~~ 5v
1311 1311  
1151 +
1152 +
1312 1312  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1313 1313  
1314 1314  
... ... @@ -1378,6 +1378,8 @@
1378 1378  
1379 1379  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1380 1380  
1222 +
1223 +
1381 1381  == 4.2 Set External Sensor Mode ==
1382 1382  
1383 1383  
... ... @@ -1401,6 +1401,8 @@
1401 1401  
1402 1402  * 0xA20702003c: Same as AT+SETCNT=60
1403 1403  
1247 +
1248 +
1404 1404  == 4.3 Enable/Disable uplink Temperature probe ID ==
1405 1405  
1406 1406  
... ... @@ -1431,6 +1431,8 @@
1431 1431  * **0xA800**  **~-~->** AT+PID=0
1432 1432  * **0xA801**     **~-~->** AT+PID=1
1433 1433  
1279 +
1280 +
1434 1434  == 4.4 Set Password ==
1435 1435  
1436 1436  
... ... @@ -1482,6 +1482,8 @@
1482 1482  
1483 1483  * There is no downlink command to set to Sleep mode.
1484 1484  
1332 +
1333 +
1485 1485  == 4.7 Set system time ==
1486 1486  
1487 1487  
... ... @@ -1590,6 +1590,8 @@
1590 1590  
1591 1591  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1592 1592  
1442 +
1443 +
1593 1593  == 4.13 Auto Send None-ACK messages ==
1594 1594  
1595 1595  
... ... @@ -1610,6 +1610,8 @@
1610 1610  
1611 1611  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1612 1612  
1464 +
1465 +
1613 1613  = 5. Battery & How to replace =
1614 1614  
1615 1615  == 5.1 Battery Type ==
... ... @@ -2081,6 +2081,7 @@
2081 2081  
2082 2082  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2083 2083  
1937 +
2084 2084  = 8. Packing Info =
2085 2085  
2086 2086  
... ... @@ -2094,11 +2094,13 @@
2094 2094  * Device Size:  10 x 10 x 3.5 cm
2095 2095  * Device Weight: 120.5g
2096 2096  
1951 +
2097 2097  = 9. Reference material =
2098 2098  
2099 2099  
2100 2100  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2101 2101  
1957 +
2102 2102  = 10. FCC Warning =
2103 2103  
2104 2104