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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.9
edited by Xiaoling
on 2022/08/08 16:38
Change comment: There is no comment for this version
To version 195.1
edited by Bei Jinggeng
on 2022/09/06 10:13
Change comment: Uploaded new attachment "image-20220906101320-5.png", version {1}

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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57 57  * Built-in Temperature & Humidity sensor
58 58  * Optional External Sensors
59 59  * Tri-color LED to indicate working status
60 -* Datalog feature
60 +* Datalog feature (Max 3328 records)
61 61  
62 62  
63 63  
... ... @@ -71,8 +71,6 @@
71 71  * Long Term Drift: < 0.02 °C/yr
72 72  * Operating Range: -40 ~~ 85 °C
73 73  
74 -
75 -
76 76  **Built-in Humidity Sensor:**
77 77  
78 78  * Resolution: 0.04 %RH
... ... @@ -80,8 +80,6 @@
80 80  * Long Term Drift: < 0.02 °C/yr
81 81  * Operating Range: 0 ~~ 96 %RH
82 82  
83 -
84 -
85 85  **External Temperature Sensor:**
86 86  
87 87  * Resolution: 0.0625 °C
... ... @@ -349,6 +349,7 @@
349 349  
350 350  === 2.4.6 Ext value ===
351 351  
348 +
352 352  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
353 353  
354 354  
... ... @@ -607,7 +607,7 @@
607 607  There are two methods:
608 608  
609 609  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
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.
607 +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.
611 611  
612 612  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
613 613  
... ... @@ -828,7 +828,6 @@
828 828  )))
829 829  )))
830 830  
831 -
832 832  (% _mstvisible="1" %)
833 833  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
834 834  
... ... @@ -1324,8 +1324,6 @@
1324 1324  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1325 1325  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1326 1326  
1327 -
1328 -
1329 1329  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1330 1330  
1331 1331  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1415,8 +1415,10 @@
1415 1415  
1416 1416  == 4.11 Print last few data entries. ==
1417 1417  
1412 +
1418 1418  Feature: Print the last few data entries
1419 1419  
1415 +
1420 1420  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1421 1421  
1422 1422  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1430,6 +1430,7 @@
1430 1430  
1431 1431  == 4.12 Clear Flash Record ==
1432 1432  
1429 +
1433 1433  Feature: Clear flash storage for data log feature.
1434 1434  
1435 1435  
... ... @@ -1443,11 +1443,14 @@
1443 1443  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1444 1444  
1445 1445  
1443 +
1446 1446  == 4.13 Auto Send None-ACK messages ==
1447 1447  
1446 +
1448 1448  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1449 1449  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.
1450 1450  
1450 +
1451 1451  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1452 1452  
1453 1453  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1462,10 +1462,12 @@
1462 1462  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1463 1463  
1464 1464  
1465 +
1465 1465  = 5. Battery & How to replace =
1466 1466  
1467 1467  == 5.1 Battery Type ==
1468 1468  
1470 +
1469 1469  (((
1470 1470  (((
1471 1471  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.
... ... @@ -1486,8 +1486,10 @@
1486 1486  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1487 1487  
1488 1488  
1491 +
1489 1489  == 5.2 Replace Battery ==
1490 1490  
1494 +
1491 1491  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.
1492 1492  
1493 1493  [[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"]]
... ... @@ -1495,6 +1495,7 @@
1495 1495  
1496 1496  == 5.3 Battery Life Analyze ==
1497 1497  
1502 +
1498 1498  (((
1499 1499  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:
1500 1500  [[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]]
... ... @@ -1512,8 +1512,10 @@
1512 1512  
1513 1513  = 6. FAQ =
1514 1514  
1520 +
1515 1515  == 6.1 How to use AT Command? ==
1516 1516  
1523 +
1517 1517  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.
1518 1518  
1519 1519  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1732,40 +1732,43 @@
1732 1732  AT+PID:  Get or set the PID
1733 1733  
1734 1734  
1742 +
1735 1735  == 6.2 Where to use AT commands and Downlink commands ==
1736 1736  
1737 -(% _msthash="506131" _msttexthash="14585714" %)
1738 -AT commands：
1739 1739  
1746 +**AT commands：**
1747 +
1740 1740  [[image:image-20220620153708-1.png||height="603" width="723"]]
1741 1741  
1742 -(% _msthash="506132" _msttexthash="337922" %)
1743 -Downlink commands:
1744 1744  
1751 +**Downlink commands:**
1745 1745  
1746 -(% _msthash="506133" _msttexthash="33046" %)
1747 -**TTN:**
1748 1748  
1754 +
1755 +(% style="color:blue" %)**TTN:**
1756 +
1749 1749  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1750 1750  
1751 1751  
1752 -(% _msthash="506134" _msttexthash="11113791" %)
1753 -**Helium：**
1754 1754  
1761 +(% style="color:blue" %)**Helium：**
1762 +
1755 1755  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1756 1756  
1757 1757  
1758 -(% _msthash="506135" _msttexthash="4159844" %)
1759 -**Chirpstack:The downlink window will not be displayed until the network is accessed**
1760 1760  
1767 +(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1768 +
1769 +
1761 1761  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1762 1762  
1772 +
1763 1763  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1764 1764  
1765 1765  
1766 -(% _msthash="506136" _msttexthash="39286" %)
1767 -**Aws:**
1768 1768  
1777 +(% style="color:blue" %)**Aws:**
1778 +
1769 1769  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1770 1770  
1771 1771  
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1772 1772  
1773 1773  == 6.3 How to change the uplink interval？ ==
1774 1774  
1785 +
1775 1775  [[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"]]
1776 1776  
1777 1777  
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1778 1778  
1779 1779  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1780 1780  
1792 +
1781 1781  [[image:image-20220615153355-1.png]]
1782 1782  
1783 1783  [[image:1655802313617-381.png]]
... ... @@ -1834,13 +1834,16 @@
1834 1834  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1835 1835  
1836 1836  
1849 +
1837 1837  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1838 1838  
1852 +
1839 1839  [[image:image-20220623110706-1.png]]
1840 1840  
1841 1841  
1842 1842  [[image:image-20220623112117-4.png||height="459" width="343"]]
1843 1843  
1858 +
1844 1844  (((
1845 1845  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.
1846 1846  )))
... ... @@ -1851,10 +1851,13 @@
1851 1851  [[image:image-20220615154519-3.png||height="672" width="807"]]
1852 1852  
1853 1853  
1869 +
1854 1854  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1855 1855  
1872 +
1856 1856  [[image:image-20220623110706-1.png]]
1857 1857  
1875 +
1858 1858  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1859 1859  
1860 1860  [[image:image-20220615170542-5.png]]
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1871 1871  (% _msthash="506146" _msttexthash="52173160" %)
1872 1872  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1873 1873  
1892 +
1874 1874  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1875 1875  
1876 1876  [[image:image-20220615171334-6.png]]
... ... @@ -1887,6 +1887,7 @@
1887 1887  Finally,restart reset device again
1888 1888  
1889 1889  
1909 +
1890 1890  = 7. Order Info =
1891 1891  
1892 1892  
... ... @@ -1931,11 +1931,13 @@
1931 1931  
1932 1932  = 9. Reference material =
1933 1933  
1954 +
1934 1934  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1935 1935  
1936 1936  
1937 1937  = 10. FCC Warning =
1938 1938  
1960 +
1939 1939  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1940 1940  
1941 1941  (1) This device may not cause harmful interference；
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