Last modified by Xiaoling on 2023/07/18 10:12

From version 205.1
edited by Edwin Chen
on 2022/10/11 18:16
Change comment: There is no comment for this version
To version 198.2
edited by Xiaoling
on 2022/09/06 14:22
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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  
... ... @@ -132,7 +132,6 @@
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  
... ... @@ -276,6 +276,8 @@
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  
280 +
281 +
279 279  === 2.4.1 Decoder in TTN V3 ===
280 280  
281 281  
... ... @@ -308,6 +308,8 @@
308 308  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
309 309  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
310 310  
314 +
315 +
311 311  === 2.4.3 Built-in Temperature ===
312 312  
313 313  
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315 315  
316 316  * Temperature:  0x0ABB/100=27.47℃
317 317  
323 +
318 318  [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
319 319  
320 320  * Temperature:  (0xF5C6-65536)/100=-26.18℃
321 321  
328 +
329 +
322 322  === 2.4.4 Built-in Humidity ===
323 323  
324 324  
... ... @@ -326,6 +326,8 @@
326 326  
327 327  * Humidity:    0x025C/10=60.4%
328 328  
337 +
338 +
329 329  === 2.4.5 Ext # ===
330 330  
331 331  
... ... @@ -483,6 +483,9 @@
483 483  * (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
484 484  * (% 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)
485 485  
496 +
497 +
498 +
486 486  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
487 487  
488 488  
... ... @@ -532,12 +532,9 @@
532 532  
533 533  
534 534  
535 -==== 2.4.6.4 Ext~=2 TMP117 Sensor (Since Firmware v1.3) ====
548 +==== 2.4.6.4 Ext~=2 TMP117 Sensor (since v1.3) ====
536 536  
537 537  
538 -[[image:image-20220927095645-1.png||height="534" width="460"]]
539 -
540 -
541 541  **Ext=2,Temperature Sensor(TMP117):**
542 542  
543 543  [[image:image-20220906102307-7.png]]
... ... @@ -550,7 +550,7 @@
550 550  
551 551  
552 552  
553 -==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ====
563 +==== 2.4.6.5 Ext~=4 Interrupt Mode (since v1.3) ====
554 554  
555 555  
556 556  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
... ... @@ -598,7 +598,7 @@
598 598  
599 599  
600 600  
601 -==== 2.4.6.6 Ext~=8 Counting Mode(Since Firmware v1.3) ====
611 +==== 2.4.6.6 Ext~=8 Counting Mode(since v1.3) ====
602 602  
603 603  
604 604  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
... ... @@ -756,19 +756,11 @@
756 756  
757 757  There are two methods:
758 758  
759 -**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
769 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
770 +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.
760 760  
761 -
762 -**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.
763 -
764 -**Note for method 2:**
765 -
766 -* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
767 -* 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.
768 -
769 769  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
770 770  
771 -
772 772  [[image:image-20220703111700-2.png||height="381" width="1119"]]
773 773  
774 774  
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990 990  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
991 991  
992 992  (% _mstvisible="1" %)
995 +[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
996 +
997 +(% _mstvisible="1" %)
993 993  (((
994 994  (% _mstvisible="2" %)
995 995  (((
996 996  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
997 997  (((
998 -[[image:image-20221006192726-1.png||height="112" width="754"]]
999 -
1000 -(% 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)
1001 -
1002 -(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
1003 -
1004 -
1003 +Poll Message Flag: 1: This message is a poll message reply.
1005 1005  )))
1006 1006  )))
1007 1007  )))
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1142 1142  (% _mstvisible="1" %)
1143 1143  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1144 1144  
1145 -
1146 1146  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1147 1147  (((
1148 1148  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
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1265 1265  
1266 1266  = 3. Sensors and Accessories =
1267 1267  
1268 -
1269 1269  == 3.1 E2 Extension Cable ==
1270 1270  
1271 1271  
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1498 1498  
1499 1499  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1500 1500  
1501 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1498 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1502 1502  
1503 1503  
1504 1504  
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1522 1522  
1523 1523  (% style="color:#4f81bd" %)**Downlink Command:**
1524 1524  
1525 -0x28 01  ~/~/  Same As AT+SYNCMOD=1
1526 -0x28 00  ~/~/  Same As AT+SYNCMOD=0
1522 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1523 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1527 1527  
1528 1528  
1529 1529  
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1615 1615  
1616 1616  = 5. Battery & How to replace =
1617 1617  
1618 -
1619 1619  == 5.1 Battery Type ==
1620 1620  
1621 1621  
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1682 1682  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1683 1683  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1684 1684  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1681 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1685 1685  
1686 1686  (((
1687 1687  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**) (%%)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.
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1933 1933  == 6.3 How to change the uplink interval? ==
1934 1934  
1935 1935  
1936 -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);"]]
1933 +[[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"]]
1937 1937  
1938 1938  
1939 1939  
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1967 1967  [[image:image-20220615170542-5.png]]
1968 1968  
1969 1969  
1970 -
1971 1971  (% style="color:blue" %)**Step2**(%%):wiring method.(% style="display:none" %)
1972 1972  
1973 1973  (% _msthash="506146" _msttexthash="52173160" %)
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1981 1981  [[image:image-20220621170938-2.png]]
1982 1982  
1983 1983  
1984 -
1985 1985  (% style="color:blue" %)**Step3:**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1986 1986  
1987 1987  [[image:image-20220615171334-6.png]]
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2030 2030  [[image:image-20220615170542-5.png]]
2031 2031  
2032 2032  
2033 -
2034 2034  (% style="color:blue" %)**Step2**(%%):wiring method.(% style="display:none" %)
2035 2035  
2036 2036  (% _msthash="506146" _msttexthash="52173160" %)
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2043 2043  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2044 2044  
2045 2045  
2046 -
2047 2047  (% style="color:blue" %)**Step3:**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2048 2048  
2049 2049  [[image:image-20220615171334-6.png]]
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2068 2068  
2069 2069  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2070 2070  
2071 -* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2064 +(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2065 +
2072 2072  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2067 +
2073 2073  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2069 +
2074 2074  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2071 +
2075 2075  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2073 +
2076 2076  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2075 +
2077 2077  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2077 +
2078 2078  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2079 2079  
2080 2080  (% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
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2107 2107  (1) This device may not cause harmful interference;
2108 2108  
2109 2109  (2) this device must accept any interference received, including interference that may cause undesired operation.
2110 -
2111 -
2112 -
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1 -XWiki.Bei
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