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Last modified by Xiaoling on 2023/07/18 10:12
From version 198.1
edited by Bei Jinggeng
on 2022/09/06 10:35
Change comment: There is no comment for this version
To version 189.9
edited by Xiaoling
on 2022/08/08 16:38
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -57,9 +57,10 @@
57 57  * Built-in Temperature & Humidity sensor
58 58  * Optional External Sensors
59 59  * Tri-color LED to indicate working status
60 -* Datalog feature (Max 3328 records)
60 +* Datalog feature
61 61  
62 62  
63 +
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -70,6 +70,8 @@
70 70  * Long Term Drift: < 0.02 °C/yr
71 71  * Operating Range: -40 ~~ 85 °C
72 72  
74 +
75 +
73 73  **Built-in Humidity Sensor:**
74 74  
75 75  * Resolution: 0.04 %RH
... ... @@ -77,6 +77,8 @@
77 77  * Long Term Drift: < 0.02 °C/yr
78 78  * Operating Range: 0 ~~ 96 %RH
79 79  
83 +
84 +
80 80  **External Temperature Sensor:**
81 81  
82 82  * Resolution: 0.0625 °C
... ... @@ -85,6 +85,7 @@
85 85  * Operating Range: -55 °C ~~ 125 °C
86 86  
87 87  
93 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  == 2.1 How does LHT65N work? ==
... ... @@ -275,6 +275,7 @@
275 275  * 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.)
276 276  
277 277  
284 +
278 278  === 2.4.1 Decoder in TTN V3 ===
279 279  
280 280  
... ... @@ -308,6 +308,7 @@
308 308  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
309 309  
310 310  
318 +
311 311  === 2.4.3 Built-in Temperature ===
312 312  
313 313  
... ... @@ -320,6 +320,7 @@
320 320  * Temperature:  (0xF5C6-65536)/100=-26.18℃
321 321  
322 322  
331 +
323 323  === 2.4.4 Built-in Humidity ===
324 324  
325 325  
... ... @@ -328,6 +328,7 @@
328 328  * Humidity:    0x025C/10=60.4%
329 329  
330 330  
340 +
331 331  === 2.4.5 Ext # ===
332 332  
333 333  
... ... @@ -339,7 +339,6 @@
339 339  
340 340  === 2.4.6 Ext value ===
341 341  
342 -
343 343  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
344 344  
345 345  
... ... @@ -486,6 +486,7 @@
486 486  * (% 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)
487 487  
488 488  
498 +
489 489  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
490 490  
491 491  
... ... @@ -533,161 +533,7 @@
533 533  [[image:image-20220628151143-7.png]]
534 534  
535 535  
536 -==== ====
537 537  
538 -==== 2.4.6.4 Ext~=2 TMP117 Sensor （since v1.3） ====
539 -
540 -Ext=2,Temperature Sensor(TMP117)：
541 -
542 -[[image:image-20220906102307-7.png]]
543 -
544 -
545 -**Interrupt Mode and Counting Mode**
546 -
547 -The external cable NE2 can be use for MOD4 and MOD8
548 -
549 -
550 -
551 -==== 2.4.6.5 Ext~=4 Interrupt Mode （since v1.3） ====
552 -
553 -**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
554 -
555 -**Interrupt Mode can be used to connect to external interrupt sensors such as:**
556 -
557 -Case 1:Door Sensor. 3.3v Out for such sensor is just to detect Open/Close.
558 -
559 - In Open State, the power consumption is the same as if there is no probe
560 -
561 - In Close state, the power consumption will be 3uA higher than normal.
562 -
563 -[[image:image-20220906100852-1.png||height="205" width="377"]]
564 -
565 -Ext=4,Interrupt Sensor：
566 -
567 -(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
568 -|(((
569 -AT+EXT=4,1
570 -)))|(% style="width:503px" %)(((
571 -Sent uplink packet in both rising and falling interrupt
572 -)))
573 -|(((
574 -AT+EXT=4,2
575 -)))|(% style="width:503px" %)(((
576 -Sent uplink packet only in falling interrupt
577 -)))
578 -|(((
579 -AT+EXT=4,3
580 -)))|(% style="width:503px" %)(((
581 -Sent uplink packet only in rising interrupt
582 -)))
583 -
584 -Trigger by falling edge:
585 -
586 -[[image:image-20220906101145-2.png]]
587 -
588 -
589 -Trigger by raising edge：
590 -
591 -[[image:image-20220906101145-3.png]]
592 -
593 -
594 -==== ====
595 -
596 -==== 2.4.6.6 Ext~=8 Counting Mode（since v1.3） ====
597 -
598 -**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
599 -
600 -
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.
602 -
603 -[[image:image-20220906101320-4.png||height="366" width="698"]]
604 -
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
606 -
607 -[[image:image-20220906101320-5.png||height="353" width="696"]]
608 -
609 -Ext=8, Counting Sensor ( 4 bytes)：
610 -
611 -(% border="8" cellpadding="4" cellspacing="4" style="height:8px; width:662px" %)
612 -|(((
613 -AT+EXT=8,0
614 -)))|(% style="width:503px" %)(((
615 -Count at falling interrupt
616 -)))
617 -|(((
618 -AT+EXT=8,1
619 -)))|(% style="width:503px" %)(((
620 -Count at rising interrupt
621 -)))
622 -|(((
623 -AT+SETCNT=60
624 -)))|(% style="width:503px" %)(((
625 -Sent current count to 60
626 -)))
627 -
628 -
629 -[[image:image-20220906101320-6.png]]
630 -
631 -
632 -A2 downlink Command：
633 -
634 -A2 02: Same as AT+EXT=2 (AT+EXT= second byte)
635 -
636 -A2 06 01 F4: Same as AT+EXT=6,500 (AT+EXT= second byte, third and fourth bytes)
637 -
638 -A2 04 02: Same as AT+EXT=4,2 (AT+EXT= second byte, third byte)
639 -
640 -A2 08 01 00: Same as AT+EXT=8,0 (AT+EXT= second byte, fourth byte)
641 -
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)
643 -
644 -
645 -
646 -
647 -**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
648 -
649 -
650 -AT+WMOD=parameter1,parameter2,parameter3,parameter4
651 -
652 -Parameter 1: Alarm mode:
653 -
654 -0): Cancel
655 -
656 -1): Threshold alarm
657 -
658 -2): Fluctuation alarm
659 -
660 -
661 -Parameter 2: Sampling time. Unit: seconds, up to 255 seconds.
662 -
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.**
664 -
665 -
666 -Parameter 3 and parameter 4:
667 -
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.
669 -
670 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
671 -
672 -
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.
674 -
675 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
676 -
677 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
678 -
679 -
680 -Downlink:
681 -
682 -0xA5 00 ~-~- AT+WMOD=0.
683 -
684 -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 )
685 -
686 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
687 -
688 -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.
689 -
690 -
691 691  == 2.5 Show data on Datacake ==
692 692  
693 693  
... ... @@ -751,7 +751,7 @@
751 751  There are two methods:
752 752  
753 753  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
754 -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.
610 +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.
755 755  
756 756  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
757 757  
... ... @@ -972,6 +972,7 @@
972 972  )))
973 973  )))
974 974  
831 +
975 975  (% _mstvisible="1" %)
976 976  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
977 977  
... ... @@ -1238,6 +1238,7 @@
1238 1238  * For each success downlink, the PURPLE LED will blink once
1239 1239  
1240 1240  
1098 +
1241 1241  == 2.9 installation ==
1242 1242  
1243 1243  
... ... @@ -1295,6 +1295,7 @@
1295 1295  * Working voltage 2.35v ~~ 5v
1296 1296  
1297 1297  
1156 +
1298 1298  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1299 1299  
1300 1300  
... ... @@ -1365,6 +1365,7 @@
1365 1365  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1366 1366  
1367 1367  
1227 +
1368 1368  == 4.2 Set External Sensor Mode ==
1369 1369  
1370 1370  
... ... @@ -1389,6 +1389,7 @@
1389 1389  * 0xA20702003c: Same as AT+SETCNT=60
1390 1390  
1391 1391  
1252 +
1392 1392  == 4.3 Enable/Disable uplink Temperature probe ID ==
1393 1393  
1394 1394  
... ... @@ -1420,6 +1420,7 @@
1420 1420  * **0xA801**     **~-~->** AT+PID=1
1421 1421  
1422 1422  
1284 +
1423 1423  == 4.4 Set Password ==
1424 1424  
1425 1425  
... ... @@ -1462,6 +1462,8 @@
1462 1462  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1463 1463  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1464 1464  
1327 +
1328 +
1465 1465  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1466 1466  
1467 1467  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1472,6 +1472,7 @@
1472 1472  * There is no downlink command to set to Sleep mode.
1473 1473  
1474 1474  
1339 +
1475 1475  == 4.7 Set system time ==
1476 1476  
1477 1477  
... ... @@ -1550,10 +1550,8 @@
1550 1550  
1551 1551  == 4.11 Print last few data entries. ==
1552 1552  
1553 -
1554 1554  Feature: Print the last few data entries
1555 1555  
1556 -
1557 1557  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1558 1558  
1559 1559  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1567,7 +1567,6 @@
1567 1567  
1568 1568  == 4.12 Clear Flash Record ==
1569 1569  
1570 -
1571 1571  Feature: Clear flash storage for data log feature.
1572 1572  
1573 1573  
... ... @@ -1583,11 +1583,9 @@
1583 1583  
1584 1584  == 4.13 Auto Send None-ACK messages ==
1585 1585  
1586 -
1587 1587  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1588 1588  Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
1589 1589  
1590 -
1591 1591  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1592 1592  
1593 1593  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1606,7 +1606,6 @@
1606 1606  
1607 1607  == 5.1 Battery Type ==
1608 1608  
1609 -
1610 1610  (((
1611 1611  (((
1612 1612  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
... ... @@ -1627,10 +1627,8 @@
1627 1627  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1628 1628  
1629 1629  
1630 -
1631 1631  == 5.2 Replace Battery ==
1632 1632  
1633 -
1634 1634  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1635 1635  
1636 1636  [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
... ... @@ -1638,7 +1638,6 @@
1638 1638  
1639 1639  == 5.3 Battery Life Analyze ==
1640 1640  
1641 -
1642 1642  (((
1643 1643  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1644 1644  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
... ... @@ -1656,10 +1656,8 @@
1656 1656  
1657 1657  = 6. FAQ =
1658 1658  
1659 -
1660 1660  == 6.1 How to use AT Command? ==
1661 1661  
1662 -
1663 1663  LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
1664 1664  
1665 1665  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1878,43 +1878,40 @@
1878 1878  AT+PID:  Get or set the PID
1879 1879  
1880 1880  
1881 -
1882 1882  == 6.2 Where to use AT commands and Downlink commands ==
1883 1883  
1737 +(% _msthash="506131" _msttexthash="14585714" %)
1738 +AT commands：
1884 1884  
1885 -**AT commands：**
1886 -
1887 1887  [[image:image-20220620153708-1.png||height="603" width="723"]]
1888 1888  
1742 +(% _msthash="506132" _msttexthash="337922" %)
1743 +Downlink commands:
1889 1889  
1890 -**Downlink commands:**
1891 1891  
1746 +(% _msthash="506133" _msttexthash="33046" %)
1747 +**TTN:**
1892 1892  
1893 -
1894 -(% style="color:blue" %)**TTN:**
1895 -
1896 1896  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1897 1897  
1898 1898  
1752 +(% _msthash="506134" _msttexthash="11113791" %)
1753 +**Helium：**
1899 1899  
1900 -(% style="color:blue" %)**Helium：**
1901 -
1902 1902  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1903 1903  
1904 1904  
1758 +(% _msthash="506135" _msttexthash="4159844" %)
1759 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1905 1905  
1906 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1907 -
1908 -
1909 1909  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1910 1910  
1911 -
1912 1912  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1913 1913  
1914 1914  
1766 +(% _msthash="506136" _msttexthash="39286" %)
1767 +**Aws:**
1915 1915  
1916 -(% style="color:blue" %)**Aws:**
1917 -
1918 1918  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1919 1919  
1920 1920  
... ... @@ -1921,7 +1921,6 @@
1921 1921  
1922 1922  == 6.3 How to change the uplink interval？ ==
1923 1923  
1924 -
1925 1925  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]]
1926 1926  
1927 1927  
... ... @@ -1928,7 +1928,6 @@
1928 1928  
1929 1929  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1930 1930  
1931 -
1932 1932  [[image:image-20220615153355-1.png]]
1933 1933  
1934 1934  [[image:1655802313617-381.png]]
... ... @@ -1985,16 +1985,13 @@
1985 1985  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1986 1986  
1987 1987  
1988 -
1989 1989  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1990 1990  
1991 -
1992 1992  [[image:image-20220623110706-1.png]]
1993 1993  
1994 1994  
1995 1995  [[image:image-20220623112117-4.png||height="459" width="343"]]
1996 1996  
1997 -
1998 1998  (((
1999 1999  In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**(% style="color:red" %))(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
2000 2000  )))
... ... @@ -2005,13 +2005,10 @@
2005 2005  [[image:image-20220615154519-3.png||height="672" width="807"]]
2006 2006  
2007 2007  
2008 -
2009 2009  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
2010 2010  
2011 -
2012 2012  [[image:image-20220623110706-1.png]]
2013 2013  
2014 -
2015 2015  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
2016 2016  
2017 2017  [[image:image-20220615170542-5.png]]
... ... @@ -2028,7 +2028,6 @@
2028 2028  (% _msthash="506146" _msttexthash="52173160" %)
2029 2029  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2030 2030  
2031 -
2032 2032  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2033 2033  
2034 2034  [[image:image-20220615171334-6.png]]
... ... @@ -2045,7 +2045,6 @@
2045 2045  Finally,restart reset device again
2046 2046  
2047 2047  
2048 -
2049 2049  = 7. Order Info =
2050 2050  
2051 2051  
... ... @@ -2073,6 +2073,7 @@
2073 2073  
2074 2074  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2075 2075  
1917 +
2076 2076  = 8. Packing Info =
2077 2077  
2078 2078  
... ... @@ -2086,14 +2086,14 @@
2086 2086  * Device Size:  10 x 10 x 3.5 cm
2087 2087  * Device Weight: 120.5g
2088 2088  
1931 +
2089 2089  = 9. Reference material =
2090 2090  
2091 -
2092 2092  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2093 2093  
1936 +
2094 2094  = 10. FCC Warning =
2095 2095  
2096 -
2097 2097  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2098 2098  
2099 2099  (1) This device may not cause harmful interference；
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