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Last modified by Xiaoling on 2023/07/18 10:12
From version 204.1
edited by Edwin Chen
on 2022/10/08 15:03
Change comment: There is no comment for this version
To version 201.1
edited by Bei Jinggeng
on 2022/09/27 13:34
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
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61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,6 +85,7 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
89 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  
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132 132  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
133 133  This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
134 134  
135 -
136 136  (% _mstvisible="1" class="wikigeneratedid" %)
137 137  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
138 138  
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276 276  * The 7th byte (EXT #): defines the external sensor model.
277 277  * 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.)
278 278  
279 -
280 280  === 2.4.1 Decoder in TTN V3 ===
281 281  
282 282  
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309 309  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
310 310  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
311 311  
312 -
313 313  === 2.4.3 Built-in Temperature ===
314 314  
315 315  
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321 321  
322 322  * Temperature:  (0xF5C6-65536)/100=-26.18℃
323 323  
324 -
325 325  === 2.4.4 Built-in Humidity ===
326 326  
327 327  
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329 329  
330 330  * Humidity:    0x025C/10=60.4%
331 331  
332 -
333 333  === 2.4.5 Ext # ===
334 334  
335 335  
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539 539  
540 540  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
541 541  
542 -
543 543  [[image:image-20220927095645-1.png||height="534" width="460"]]
544 544  
545 -
546 546  **Ext=2,Temperature Sensor(TMP117)：**
547 547  
548 548  [[image:image-20220906102307-7.png]]
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761 761  
762 762  There are two methods:
763 763  
764 -**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
759 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
760 +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.
765 765  
766 -
767 -**Method 2: **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 messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
768 -
769 -**Note for method 2:**
770 -
771 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
772 -* b) LHT65N will send data in **CONFIRMED Mode** when PNACKMD=1, but LHT65N won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LHT65N gets a ACK, LHT65N will consider there is a network connection and resend all NONE-ACK Message.
773 -
774 774  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
775 775  
776 -
777 777  [[image:image-20220703111700-2.png||height="381" width="1119"]]
778 778  
779 779  
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995 995  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
996 996  
997 997  (% _mstvisible="1" %)
985 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
986 +
987 +(% _mstvisible="1" %)
998 998  (((
999 999  (% _mstvisible="2" %)
1000 1000  (((
1001 1001  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
1002 1002  (((
1003 -[[image:image-20221006192726-1.png||height="112" width="754"]]
1004 -
1005 -(% class="mark" %)No ACK Message(%%): 1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]] feature)
1006 -
1007 -(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
1008 -
1009 -
993 +Poll Message Flag: 1: This message is a poll message reply.
1010 1010  )))
1011 1011  )))
1012 1012  )))
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1147 1147  (% _mstvisible="1" %)
1148 1148  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1149 1149  
1150 -
1151 1151  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1152 1152  (((
1153 1153  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
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1318 1318  * Operating Range: -40 ~~ 125 °C
1319 1319  * Working voltage 2.35v ~~ 5v
1320 1320  
1321 -
1322 1322  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1323 1323  
1324 1324  
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1509 1509  
1510 1510  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511 1511  
1512 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1494 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1513 1513  
1514 1514  
1515 1515  
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1533 1533  
1534 1534  (% style="color:#4f81bd" %)**Downlink Command:**
1535 1535  
1536 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1537 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1518 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1519 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1538 1538  
1539 1539  
1540 1540  
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1947 1947  == 6.3 How to change the uplink interval？ ==
1948 1948  
1949 1949  
1950 -Please see this link: [[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" style="background-color: rgb(255, 255, 255);"]]
1932 +[[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"]]
1951 1951  
1952 1952  
1953 1953  
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1981 1981  [[image:image-20220615170542-5.png]]
1982 1982  
1983 1983  
1984 -
1985 1985  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1986 1986  
1987 1987  (% _msthash="506146" _msttexthash="52173160" %)
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1995 1995  [[image:image-20220621170938-2.png]]
1996 1996  
1997 1997  
1998 -
1999 1999  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2000 2000  
2001 2001  [[image:image-20220615171334-6.png]]
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2044 2044  [[image:image-20220615170542-5.png]]
2045 2045  
2046 2046  
2047 -
2048 2048  (% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2049 2049  
2050 2050  (% _msthash="506146" _msttexthash="52173160" %)
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2057 2057  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2058 2058  
2059 2059  
2060 -
2061 2061  (% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2062 2062  
2063 2063  [[image:image-20220615171334-6.png]]
image-20221006192726-1.png
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