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Last modified by Xiaoling on 2023/07/18 10:12
From version 170.33
edited by Xiaoling
on 2022/06/22 11:28
Change comment: There is no comment for this version
To version 189.9
edited by Xiaoling
on 2022/08/08 16:38
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,5 +1,5 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
3 3  
4 4  
5 5  
... ... @@ -46,6 +46,7 @@
46 46  
47 47  == 1.2 Features ==
48 48  
49 +
49 49  * Wall mountable
50 50  * LoRaWAN v1.0.3 Class A protocol
51 51  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -59,6 +59,7 @@
59 59  * Datalog feature
60 60  
61 61  
63 +
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -69,6 +69,8 @@
69 69  * Long Term Drift: < 0.02 °C/yr
70 70  * Operating Range: -40 ~~ 85 °C
71 71  
74 +
75 +
72 72  **Built-in Humidity Sensor:**
73 73  
74 74  * Resolution: 0.04 %RH
... ... @@ -76,6 +76,8 @@
76 76  * Long Term Drift: < 0.02 °C/yr
77 77  * Operating Range: 0 ~~ 96 %RH
78 78  
83 +
84 +
79 79  **External Temperature Sensor:**
80 80  
81 81  * Resolution: 0.0625 °C
... ... @@ -84,10 +84,12 @@
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 86  
93 +
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
90 90  
98 +
91 91  (((
92 92  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
93 93  )))
... ... @@ -97,8 +97,10 @@
97 97  )))
98 98  
99 99  
108 +
100 100  == 2.2 How to Activate LHT65N? ==
101 101  
111 +
102 102  (((
103 103  The LHT65N has two working modes:
104 104  )))
... ... @@ -123,6 +123,7 @@
123 123  
124 124  == 2.3 Example to join LoRaWAN network ==
125 125  
136 +
126 126  (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
127 127  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.
128 128  
... ... @@ -138,6 +138,7 @@
138 138  
139 139  === 2.3.1 Step 1: Create Device n TTN ===
140 140  
152 +
141 141  (((
142 142  Create a device in TTN V3 with the OTAA keys from LHT65N.
143 143  )))
... ... @@ -162,9 +162,10 @@
162 162  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
163 163  
164 164  
165 -Note: LHT65N use same payload as LHT65.
166 166  
178 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
167 167  
180 +
168 168  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
169 169  
170 170  
... ... @@ -178,6 +178,7 @@
178 178  
179 179  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
180 180  
194 +
181 181  (((
182 182  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
183 183  )))
... ... @@ -189,6 +189,7 @@
189 189  
190 190  == 2.4 Uplink Payload ==
191 191  
206 +
192 192  (((
193 193  The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
194 194  )))
... ... @@ -263,14 +263,13 @@
263 263  
264 264  * The First 6 bytes: has fix meanings for every LHT65N.
265 265  * The 7th byte (EXT #): defines the external sensor model.
266 -* 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.)
281 +* 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.)
267 267  
268 268  
269 269  
270 -
271 -
272 272  === 2.4.1 Decoder in TTN V3 ===
273 273  
287 +
274 274  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
275 275  
276 276  Below is the position to put the decoder and LHT65N decoder can be download from here:
... ... @@ -286,6 +286,7 @@
286 286  
287 287  === 2.4.2 BAT-Battery Info ===
288 288  
303 +
289 289  These two bytes of BAT include the battery state and the actually voltage
290 290  
291 291  [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
... ... @@ -301,10 +301,9 @@
301 301  
302 302  
303 303  
304 -
305 -
306 306  === 2.4.3 Built-in Temperature ===
307 307  
321 +
308 308  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
309 309  
310 310  * Temperature:  0x0ABB/100=27.47℃
... ... @@ -315,10 +315,9 @@
315 315  
316 316  
317 317  
318 -
319 -
320 320  === 2.4.4 Built-in Humidity ===
321 321  
334 +
322 322  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
323 323  
324 324  * Humidity:    0x025C/10=60.4%
... ... @@ -325,10 +325,9 @@
325 325  
326 326  
327 327  
328 -
329 -
330 330  === 2.4.5 Ext # ===
331 331  
343 +
332 332  Bytes for External Sensor:
333 333  
334 334  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
... ... @@ -360,6 +360,7 @@
360 360  
361 361  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
362 362  
375 +
363 363  (((
364 364  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
365 365  )))
... ... @@ -473,18 +473,19 @@
473 473  
474 474  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
475 475  
476 -[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
489 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
490 +|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
491 +|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
477 477  
478 -* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
479 -* 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.
480 -* 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)
493 +* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
494 +* (% 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.
495 +* (% 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)
481 481  
482 482  
483 483  
484 -
485 -
486 486  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
487 487  
501 +
488 488  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
489 489  
490 490  be used to power the external ADC sensor; user can control the power on time for this
... ... @@ -493,10 +493,46 @@
493 493  
494 494  AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
495 495  
510 +For example:
496 496  
512 +AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
497 497  
514 +
515 +Or use **downlink command A2** to set the same.
516 +
517 +The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
518 +
519 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
520 +
521 +[[image:image-20220628150112-1.png||height="241" width="285"]]
522 +
523 +
524 +When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
525 +
526 +[[image:image-20220628150714-4.png]]
527 +
528 +
529 +When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
530 +
531 +1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
532 +
533 +[[image:image-20220628151005-5.png]]
534 +
535 +
536 +2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
537 +
538 +[[image:image-20220628151056-6.png]]
539 +
540 +
541 +3) Within range
542 +
543 +[[image:image-20220628151143-7.png]]
544 +
545 +
546 +
498 498  == 2.5 Show data on Datacake ==
499 499  
549 +
500 500  (((
501 501  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
502 502  )))
... ... @@ -544,6 +544,7 @@
544 544  
545 545  == 2.6 Datalog Feature ==
546 546  
597 +
547 547  (((
548 548  Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
549 549  )))
... ... @@ -552,15 +552,17 @@
552 552  
553 553  === 2.6.1 Ways to get datalog via LoRaWAN ===
554 554  
606 +
555 555  There are two methods:
556 556  
557 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
558 -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 network recover.
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.
559 559  
612 +Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
560 560  
614 +[[image:image-20220703111700-2.png||height="381" width="1119"]]
561 561  
562 562  
563 -
564 564  === 2.6.2 Unix TimeStamp ===
565 565  
566 566  
... ... @@ -583,6 +583,7 @@
583 583  
584 584  === 2.6.3 Set Device Time ===
585 585  
639 +
586 586  (((
587 587  There are two ways to set device's time:
588 588  )))
... ... @@ -600,7 +600,7 @@
600 600  )))
601 601  
602 602  (((
603 -(% style="color:red" %)Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
657 +(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
604 604  )))
605 605  
606 606  (((
... ... @@ -619,6 +619,7 @@
619 619  
620 620  === 2.6.4 Poll sensor value ===
621 621  
676 +
622 622  User can poll sensor value based on timestamps from the server. Below is the downlink command.
623 623  
624 624  [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
... ... @@ -636,6 +636,7 @@
636 636  
637 637  === 2.6.5 Datalog Uplink payload ===
638 638  
694 +
639 639  (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
640 640  The Datalog poll reply uplink will use below payload format.
641 641  
... ... @@ -642,6 +642,9 @@
642 642  (% _mstvisible="1" %)
643 643  (((
644 644  (% _mstvisible="2" %)
701 +
702 +
703 +(% _mstvisible="2" %)
645 645  (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
646 646  )))
647 647  
... ... @@ -769,6 +769,7 @@
769 769  )))
770 770  )))
771 771  
831 +
772 772  (% _mstvisible="1" %)
773 773  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
774 774  
... ... @@ -904,7 +904,7 @@
904 904  (% _mstvisible="1" %)
905 905  (((
906 906  (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
907 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
967 + Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
908 908  )))
909 909  
910 910  (% _mstvisible="1" %)
... ... @@ -966,12 +966,15 @@
966 966  
967 967  == 2.7 Alarm Mode ==
968 968  
1029 +
969 969  (((
970 970  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
971 971  )))
972 972  
973 973  (((
974 -(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1035 +(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1036 +
1037 +
975 975  )))
976 976  
977 977  (((
... ... @@ -1001,10 +1001,25 @@
1001 1001  )))
1002 1002  )))
1003 1003  
1067 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1004 1004  
1069 +Total bytes: 8 bytes
1005 1005  
1071 +**Example:**AA0100010001003C
1072 +
1073 +WMOD=01
1074 +
1075 +CITEMP=0001
1076 +
1077 +TEMPlow=0001
1078 +
1079 +TEMPhigh=003C
1080 +
1081 +
1082 +
1006 1006  == 2.8 LED Indicator ==
1007 1007  
1085 +
1008 1008  The LHT65 has a triple color LED which for easy showing different stage .
1009 1009  
1010 1010  While user press ACT button, the LED will work as per LED status with ACT button.
... ... @@ -1018,10 +1018,9 @@
1018 1018  
1019 1019  
1020 1020  
1021 -
1022 -
1023 1023  == 2.9 installation ==
1024 1024  
1101 +
1025 1025  (% _mstvisible="1" %)
1026 1026  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1027 1027  
... ... @@ -1031,10 +1031,31 @@
1031 1031  
1032 1032  == 3.1 E2 Extension Cable ==
1033 1033  
1111 +
1034 1034  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1035 1035  
1036 -1m long breakout cable for LHT65N
1037 1037  
1115 +**1m long breakout cable for LHT65N. Features:**
1116 +
1117 +* (((
1118 +Use for AT Command， works for both LHT52/LHT65N
1119 +)))
1120 +* (((
1121 +Update firmware for LHT65N, works for both LHT52/LHT65N
1122 +)))
1123 +* (((
1124 +Supports ADC mode to monitor external ADC
1125 +)))
1126 +* (((
1127 +Supports Interrupt mode
1128 +)))
1129 +* (((
1130 +Exposed All pins from the LHT65N Type-C connector.
1131 +
1132 +
1133 +
1134 +)))
1135 +
1038 1038  [[image:image-20220619092421-3.png||height="371" width="529"]]
1039 1039  
1040 1040  
... ... @@ -1056,10 +1056,9 @@
1056 1056  
1057 1057  
1058 1058  
1059 -
1060 -
1061 1061  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1062 1062  
1159 +
1063 1063  (((
1064 1064  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1065 1065  )))
... ... @@ -1104,10 +1104,13 @@
1104 1104  )))
1105 1105  
1106 1106  
1204 +
1107 1107  == 4.1 Set Transmit Interval Time ==
1108 1108  
1207 +
1109 1109  Feature: Change LoRaWAN End Node Transmit Interval.
1110 1110  
1210 +
1111 1111  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1112 1112  
1113 1113  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1125,12 +1125,12 @@
1125 1125  
1126 1126  
1127 1127  
1128 -
1129 -
1130 1130  == 4.2 Set External Sensor Mode ==
1131 1131  
1230 +
1132 1132  Feature: Change External Sensor Mode.
1133 1133  
1233 +
1134 1134  (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1135 1135  
1136 1136  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1150,10 +1150,9 @@
1150 1150  
1151 1151  
1152 1152  
1153 -
1154 -
1155 1155  == 4.3 Enable/Disable uplink Temperature probe ID ==
1156 1156  
1255 +
1157 1157  (((
1158 1158  Feature: If PID is enabled, device will send the temperature probe ID on:
1159 1159  )))
... ... @@ -1167,6 +1167,8 @@
1167 1167  
1168 1168  (((
1169 1169  PID is default set to disable (0)
1269 +
1270 +
1170 1170  )))
1171 1171  
1172 1172  (% style="color:#4f81bd" %)**AT Command:**
... ... @@ -1181,12 +1181,12 @@
1181 1181  
1182 1182  
1183 1183  
1184 -
1185 -
1186 1186  == 4.4 Set Password ==
1187 1187  
1287 +
1188 1188  Feature: Set device password, max 9 digits
1189 1189  
1290 +
1190 1190  (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1191 1191  
1192 1192  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1200,8 +1200,10 @@
1200 1200  
1201 1201  == 4.5 Quit AT Command ==
1202 1202  
1304 +
1203 1203  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1204 1204  
1307 +
1205 1205  (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1206 1206  
1207 1207  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1215,11 +1215,14 @@
1215 1215  
1216 1216  == 4.6 Set to sleep mode ==
1217 1217  
1321 +
1218 1218  Feature: Set device to sleep mode
1219 1219  
1220 1220  * **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1221 1221  * **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1222 1222  
1327 +
1328 +
1223 1223  (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1224 1224  
1225 1225  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1231,12 +1231,12 @@
1231 1231  
1232 1232  
1233 1233  
1234 -
1235 -
1236 1236  == 4.7 Set system time ==
1237 1237  
1342 +
1238 1238  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1239 1239  
1345 +
1240 1240  (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1241 1241  
1242 1242  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1250,6 +1250,7 @@
1250 1250  
1251 1251  == 4.8 Set Time Sync Mode ==
1252 1252  
1359 +
1253 1253  (((
1254 1254  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1255 1255  )))
... ... @@ -1256,6 +1256,8 @@
1256 1256  
1257 1257  (((
1258 1258  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1366 +
1367 +
1259 1259  )))
1260 1260  
1261 1261  (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
... ... @@ -1272,8 +1272,10 @@
1272 1272  
1273 1273  == 4.9 Set Time Sync Interval ==
1274 1274  
1384 +
1275 1275  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1276 1276  
1387 +
1277 1277  (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1278 1278  
1279 1279  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1287,8 +1287,10 @@
1287 1287  
1288 1288  == 4.10 Print data entries base on page. ==
1289 1289  
1401 +
1290 1290  Feature: Print the sector data from start page to stop page (max is 416 pages).
1291 1291  
1404 +
1292 1292  (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1293 1293  
1294 1294  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
... ... @@ -1330,9 +1330,6 @@
1330 1330  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1331 1331  
1332 1332  
1333 -
1334 -
1335 -
1336 1336  == 4.13 Auto Send None-ACK messages ==
1337 1337  
1338 1338  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1352,9 +1352,6 @@
1352 1352  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1353 1353  
1354 1354  
1355 -
1356 -
1357 -
1358 1358  = 5. Battery & How to replace =
1359 1359  
1360 1360  == 5.1 Battery Type ==
... ... @@ -1414,16 +1414,11 @@
1414 1414  
1415 1415  (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1416 1416  
1417 -(% _msthash="506062" _msttexthash="1187732" %)
1418 -**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1524 +* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1525 +* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1526 +* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1527 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1419 1419  
1420 -(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1421 -
1422 -(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1423 -
1424 -(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1425 -
1426 -
1427 1427  (((
1428 1428  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.
1429 1429  )))
... ... @@ -1732,7 +1732,59 @@
1732 1732  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1733 1733  
1734 1734  
1837 +== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1735 1735  
1839 +[[image:image-20220623110706-1.png]]
1840 +
1841 +
1842 +[[image:image-20220623112117-4.png||height="459" width="343"]]
1843 +
1844 +(((
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 +)))
1847 +
1848 +
1849 +Input password and ATZ to activate LHT65N,As shown below:
1850 +
1851 +[[image:image-20220615154519-3.png||height="672" width="807"]]
1852 +
1853 +
1854 +== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1855 +
1856 +[[image:image-20220623110706-1.png]]
1857 +
1858 +(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
1859 +
1860 +[[image:image-20220615170542-5.png]]
1861 +
1862 +
1863 +(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
1864 +
1865 +(% _msthash="506146" _msttexthash="52173160" %)
1866 +First connect the four lines；
1867 +
1868 +(% _msthash="506146" _msttexthash="52173160" %)
1869 +[[image:image-20220623113959-5.png||height="528" width="397"]]
1870 +
1871 +(% _msthash="506146" _msttexthash="52173160" %)
1872 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1873 +
1874 +(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
1875 +
1876 +[[image:image-20220615171334-6.png]]
1877 +
1878 +
1879 +Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
1880 +
1881 +
1882 +When this interface appears, it indicates that the download has been completed.
1883 +
1884 +[[image:image-20220620160723-8.png]]
1885 +
1886 +
1887 +Finally,restart reset device again
1888 +
1889 +
1736 1736  = 7. Order Info =
1737 1737  
1738 1738  
... ... @@ -1761,9 +1761,6 @@
1761 1761  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1762 1762  
1763 1763  
1764 -
1765 -
1766 -
1767 1767  = 8. Packing Info =
1768 1768  
1769 1769  
... ... @@ -1778,17 +1778,11 @@
1778 1778  * Device Weight: 120.5g
1779 1779  
1780 1780  
1781 -
1782 -
1783 -
1784 1784  = 9. Reference material =
1785 1785  
1786 1786  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1787 1787  
1788 1788  
1789 -
1790 -
1791 -
1792 1792  = 10. FCC Warning =
1793 1793  
1794 1794  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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