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

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

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -86,7 +86,6 @@
86 86  * ±2°C accuracy from -55°C to +125°C
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 -
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 92  
... ... @@ -134,6 +134,7 @@
134 134  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
135 135  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.
136 136  
135 +
137 137  (% _mstvisible="1" class="wikigeneratedid" %)
138 138  [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
139 139  
... ... @@ -277,8 +277,6 @@
277 277  * The 7th byte (EXT #): defines the external sensor model.
278 278  * 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.)
279 279  
280 -
281 -
282 282  === 2.4.1 Decoder in TTN V3 ===
283 283  
284 284  
... ... @@ -311,8 +311,6 @@
311 311  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
312 312  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
313 313  
314 -
315 -
316 316  === 2.4.3 Built-in Temperature ===
317 317  
318 318  
... ... @@ -320,13 +320,10 @@
320 320  
321 321  * Temperature:  0x0ABB/100=27.47℃
322 322  
323 -
324 324  [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
325 325  
326 326  * Temperature:  (0xF5C6-65536)/100=-26.18℃
327 327  
328 -
329 -
330 330  === 2.4.4 Built-in Humidity ===
331 331  
332 332  
... ... @@ -334,8 +334,6 @@
334 334  
335 335  * Humidity:    0x025C/10=60.4%
336 336  
337 -
338 -
339 339  === 2.4.5 Ext # ===
340 340  
341 341  
... ... @@ -493,9 +493,6 @@
493 493  * (% 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.
494 494  * (% 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)
495 495  
496 -
497 -
498 -
499 499  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
500 500  
501 501  
... ... @@ -545,9 +545,12 @@
545 545  
546 546  
547 547  
548 -==== 2.4.6.4 Ext~=2 TMP117 Sensor (since v1.3) ====
535 +==== 2.4.6.4 Ext~=2 TMP117 Sensor (Since Firmware v1.3) ====
549 549  
550 550  
538 +[[image:image-20220927095645-1.png||height="534" width="460"]]
539 +
540 +
551 551  **Ext=2,Temperature Sensor(TMP117):**
552 552  
553 553  [[image:image-20220906102307-7.png]]
... ... @@ -560,7 +560,7 @@
560 560  
561 561  
562 562  
563 -==== 2.4.6.5 Ext~=4 Interrupt Mode (since v1.3) ====
553 +==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ====
564 564  
565 565  
566 566  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will send an uplink when there is a trigger.**
... ... @@ -608,7 +608,7 @@
608 608  
609 609  
610 610  
611 -==== 2.4.6.6 Ext~=8 Counting Mode(since v1.3) ====
601 +==== 2.4.6.6 Ext~=8 Counting Mode(Since Firmware v1.3) ====
612 612  
613 613  
614 614  (% style="color:red" %)**Note: In this mode, 3.3v output will be always ON. LHT65N will count for every interrupt and uplink periodically.**
... ... @@ -766,11 +766,19 @@
766 766  
767 767  There are two methods:
768 768  
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.
759 +**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
771 771  
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 +
772 772  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
773 773  
771 +
774 774  [[image:image-20220703111700-2.png||height="381" width="1119"]]
775 775  
776 776  
... ... @@ -992,15 +992,18 @@
992 992  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
993 993  
994 994  (% _mstvisible="1" %)
995 -[[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
996 -
997 -(% _mstvisible="1" %)
998 998  (((
999 999  (% _mstvisible="2" %)
1000 1000  (((
1001 1001  (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
1002 1002  (((
1003 -Poll Message Flag: 1: This message is a poll message reply.
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 +
1004 1004  )))
1005 1005  )))
1006 1006  )))
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1141 1141  (% _mstvisible="1" %)
1142 1142  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1143 1143  
1145 +
1144 1144  (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1145 1145  (((
1146 1146  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
... ... @@ -1263,6 +1263,7 @@
1263 1263  
1264 1264  = 3. Sensors and Accessories =
1265 1265  
1268 +
1266 1266  == 3.1 E2 Extension Cable ==
1267 1267  
1268 1268  
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1495 1495  
1496 1496  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1497 1497  
1498 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1501 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1499 1499  
1500 1500  
1501 1501  
... ... @@ -1519,8 +1519,8 @@
1519 1519  
1520 1520  (% style="color:#4f81bd" %)**Downlink Command:**
1521 1521  
1522 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
1523 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
1525 +0x28 01  ~/~/  Same As AT+SYNCMOD=1
1526 +0x28 00  ~/~/  Same As AT+SYNCMOD=0
1524 1524  
1525 1525  
1526 1526  
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1612 1612  
1613 1613  = 5. Battery & How to replace =
1614 1614  
1618 +
1615 1615  == 5.1 Battery Type ==
1616 1616  
1617 1617  
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1678 1678  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1679 1679  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1680 1680  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1681 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1682 1682  
1683 1683  (((
1684 1684  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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1930 1930  == 6.3 How to change the uplink interval? ==
1931 1931  
1932 1932  
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"]]
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);"]]
1934 1934  
1935 1935  
1936 1936  
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1964 1964  [[image:image-20220615170542-5.png]]
1965 1965  
1966 1966  
1970 +
1967 1967  (% style="color:blue" %)**Step2**(%%):wiring method.(% style="display:none" %)
1968 1968  
1969 1969  (% _msthash="506146" _msttexthash="52173160" %)
... ... @@ -1977,6 +1977,7 @@
1977 1977  [[image:image-20220621170938-2.png]]
1978 1978  
1979 1979  
1984 +
1980 1980  (% style="color:blue" %)**Step3:**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1981 1981  
1982 1982  [[image:image-20220615171334-6.png]]
... ... @@ -2025,6 +2025,7 @@
2025 2025  [[image:image-20220615170542-5.png]]
2026 2026  
2027 2027  
2033 +
2028 2028  (% style="color:blue" %)**Step2**(%%):wiring method.(% style="display:none" %)
2029 2029  
2030 2030  (% _msthash="506146" _msttexthash="52173160" %)
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2037 2037  Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
2038 2038  
2039 2039  
2046 +
2040 2040  (% style="color:blue" %)**Step3:**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
2041 2041  
2042 2042  [[image:image-20220615171334-6.png]]
... ... @@ -2061,20 +2061,13 @@
2061 2061  
2062 2062  (% style="color:#4f81bd" %)**XX **(%%): The default frequency band
2063 2063  
2064 -(% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2065 -
2071 +* (% style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2066 2066  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2067 -
2068 2068  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2069 -
2070 2070  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2071 -
2072 2072  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2073 -
2074 2074  * (% style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2075 -
2076 2076  * (% 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 +
image-20220927095645-1.png
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