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Last modified by Xiaoling on 2023/07/18 10:12
From version 194.1
edited by Bei Jinggeng
on 2022/09/06 10:13
Change comment: Uploaded new attachment "image-20220906101320-4.png", version {1}
To version 189.9
edited by Xiaoling
on 2022/08/08 16:38
Change comment: There is no comment for this version

Summary

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1 -XWiki.Bei
1 +XWiki.Xiaoling
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 (Max 3328 records)
60 +* Datalog feature
61 61  
62 62  
63 63  
... ... @@ -71,6 +71,8 @@
71 71  * Long Term Drift: < 0.02 °C/yr
72 72  * Operating Range: -40 ~~ 85 °C
73 73  
74 +
75 +
74 74  **Built-in Humidity Sensor:**
75 75  
76 76  * Resolution: 0.04 %RH
... ... @@ -78,6 +78,8 @@
78 78  * Long Term Drift: < 0.02 °C/yr
79 79  * Operating Range: 0 ~~ 96 %RH
80 80  
83 +
84 +
81 81  **External Temperature Sensor:**
82 82  
83 83  * Resolution: 0.0625 °C
... ... @@ -345,7 +345,6 @@
345 345  
346 346  === 2.4.6 Ext value ===
347 347  
348 -
349 349  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
350 350  
351 351  
... ... @@ -604,7 +604,7 @@
604 604  There are two methods:
605 605  
606 606  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
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.
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.
608 608  
609 609  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
610 610  
... ... @@ -825,6 +825,7 @@
825 825  )))
826 826  )))
827 827  
831 +
828 828  (% _mstvisible="1" %)
829 829  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
830 830  
... ... @@ -1320,6 +1320,8 @@
1320 1320  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1321 1321  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1322 1322  
1327 +
1328 +
1323 1323  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1324 1324  
1325 1325  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1409,10 +1409,8 @@
1409 1409  
1410 1410  == 4.11 Print last few data entries. ==
1411 1411  
1412 -
1413 1413  Feature: Print the last few data entries
1414 1414  
1415 -
1416 1416  (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1417 1417  
1418 1418  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
... ... @@ -1426,7 +1426,6 @@
1426 1426  
1427 1427  == 4.12 Clear Flash Record ==
1428 1428  
1429 -
1430 1430  Feature: Clear flash storage for data log feature.
1431 1431  
1432 1432  
... ... @@ -1440,14 +1440,11 @@
1440 1440  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1441 1441  
1442 1442  
1443 -
1444 1444  == 4.13 Auto Send None-ACK messages ==
1445 1445  
1446 -
1447 1447  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1448 1448  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.
1449 1449  
1450 -
1451 1451  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1452 1452  
1453 1453  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
... ... @@ -1462,12 +1462,10 @@
1462 1462  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1463 1463  
1464 1464  
1465 -
1466 1466  = 5. Battery & How to replace =
1467 1467  
1468 1468  == 5.1 Battery Type ==
1469 1469  
1470 -
1471 1471  (((
1472 1472  (((
1473 1473  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.
... ... @@ -1488,10 +1488,8 @@
1488 1488  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1489 1489  
1490 1490  
1491 -
1492 1492  == 5.2 Replace Battery ==
1493 1493  
1494 -
1495 1495  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.
1496 1496  
1497 1497  [[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"]]
... ... @@ -1499,7 +1499,6 @@
1499 1499  
1500 1500  == 5.3 Battery Life Analyze ==
1501 1501  
1502 -
1503 1503  (((
1504 1504  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:
1505 1505  [[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]]
... ... @@ -1517,10 +1517,8 @@
1517 1517  
1518 1518  = 6. FAQ =
1519 1519  
1520 -
1521 1521  == 6.1 How to use AT Command? ==
1522 1522  
1523 -
1524 1524  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.
1525 1525  
1526 1526  [[image:image-20220530085651-1.png||_mstalt="429949"]]
... ... @@ -1739,43 +1739,40 @@
1739 1739  AT+PID:  Get or set the PID
1740 1740  
1741 1741  
1742 -
1743 1743  == 6.2 Where to use AT commands and Downlink commands ==
1744 1744  
1737 +(% _msthash="506131" _msttexthash="14585714" %)
1738 +AT commands：
1745 1745  
1746 -**AT commands：**
1747 -
1748 1748  [[image:image-20220620153708-1.png||height="603" width="723"]]
1749 1749  
1742 +(% _msthash="506132" _msttexthash="337922" %)
1743 +Downlink commands:
1750 1750  
1751 -**Downlink commands:**
1752 1752  
1746 +(% _msthash="506133" _msttexthash="33046" %)
1747 +**TTN:**
1753 1753  
1754 -
1755 -(% style="color:blue" %)**TTN:**
1756 -
1757 1757  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1758 1758  
1759 1759  
1752 +(% _msthash="506134" _msttexthash="11113791" %)
1753 +**Helium：**
1760 1760  
1761 -(% style="color:blue" %)**Helium：**
1762 -
1763 1763  [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1764 1764  
1765 1765  
1758 +(% _msthash="506135" _msttexthash="4159844" %)
1759 +**Chirpstack:The downlink window will not be displayed until the network is accessed**
1766 1766  
1767 -(% style="color:blue" %)**Chirpstack: The downlink window will not be displayed until the network is accessed**
1768 -
1769 -
1770 1770  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1771 1771  
1772 -
1773 1773  [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1774 1774  
1775 1775  
1766 +(% _msthash="506136" _msttexthash="39286" %)
1767 +**Aws:**
1776 1776  
1777 -(% style="color:blue" %)**Aws:**
1778 -
1779 1779  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1780 1780  
1781 1781  
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1782 1782  
1783 1783  == 6.3 How to change the uplink interval？ ==
1784 1784  
1785 -
1786 1786  [[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"]]
1787 1787  
1788 1788  
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1789 1789  
1790 1790  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1791 1791  
1792 -
1793 1793  [[image:image-20220615153355-1.png]]
1794 1794  
1795 1795  [[image:1655802313617-381.png]]
... ... @@ -1846,16 +1846,13 @@
1846 1846  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1847 1847  
1848 1848  
1849 -
1850 1850  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1851 1851  
1852 -
1853 1853  [[image:image-20220623110706-1.png]]
1854 1854  
1855 1855  
1856 1856  [[image:image-20220623112117-4.png||height="459" width="343"]]
1857 1857  
1858 -
1859 1859  (((
1860 1860  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.
1861 1861  )))
... ... @@ -1866,13 +1866,10 @@
1866 1866  [[image:image-20220615154519-3.png||height="672" width="807"]]
1867 1867  
1868 1868  
1869 -
1870 1870  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1871 1871  
1872 -
1873 1873  [[image:image-20220623110706-1.png]]
1874 1874  
1875 -
1876 1876  (% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1877 1877  
1878 1878  [[image:image-20220615170542-5.png]]
... ... @@ -1889,7 +1889,6 @@
1889 1889  (% _msthash="506146" _msttexthash="52173160" %)
1890 1890  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1891 1891  
1892 -
1893 1893  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1894 1894  
1895 1895  [[image:image-20220615171334-6.png]]
... ... @@ -1906,7 +1906,6 @@
1906 1906  Finally,restart reset device again
1907 1907  
1908 1908  
1909 -
1910 1910  = 7. Order Info =
1911 1911  
1912 1912  
... ... @@ -1951,13 +1951,11 @@
1951 1951  
1952 1952  = 9. Reference material =
1953 1953  
1954 -
1955 1955  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1956 1956  
1957 1957  
1958 1958  = 10. FCC Warning =
1959 1959  
1960 -
1961 1961  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1962 1962  
1963 1963  (1) This device may not cause harmful interference；
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