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

From version 210.3
edited by Xiaoling
on 2022/10/26 15:43
Change comment: There is no comment for this version
To version 204.1
edited by Edwin Chen
on 2022/10/08 15:03
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -61,7 +61,6 @@
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  
... ... @@ -198,9 +198,10 @@
198 198  
199 199  
200 200  
201 -== 2.4 Uplink Payload   ( Fport~=2) ==
202 202  
200 +== 2.4 Uplink Payload ==
203 203  
202 +
204 204  (((
205 205  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.
206 206  )))
... ... @@ -209,49 +209,68 @@
209 209  After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
210 210  )))
211 211  
212 -(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:390px" %)
213 -|=(% style="width: 60px;" %)
211 +(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
212 +(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
214 214  (((
215 -**Size(bytes)**
216 -)))|=(% style="width: 30px;" %)
214 +(% _mstvisible="6" %)
215 +(% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
216 +)))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
217 217  (((
218 -**2**
219 -)))|=(% style="width: 100px;" %)
218 +(% _mstvisible="6" %)
219 +(% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
220 +)))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
220 220  (((
221 -**2**
222 -)))|=(% style="width: 100px;" %)
222 +(% _mstvisible="6" %)
223 +(% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
224 +)))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
223 223  (((
224 -**2**
225 -)))|=(% style="width: 50px;" %)
226 +(% _mstvisible="6" %)
227 +(% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
228 +)))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
226 226  (((
227 -**1**
228 -)))|=(% style="width: 50px;" %)
230 +(% _mstvisible="6" %)
231 +(% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
232 +)))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
229 229  (((
230 -**4**
234 +(% _mstvisible="6" %)
235 +(% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
231 231  )))
232 -|(% style="width:97px" %)
237 +(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
233 233  (((
234 -**Value**
235 -)))|(% style="width:39px" %)
239 +(% _mstvisible="6" %)
240 +(% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
241 +)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
236 236  (((
237 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" ]]
238 -)))|(% style="width:100px" %)
243 +(% _mstvisible="6" %)
244 +[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
245 +)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
239 239  (((
247 +(% _mstvisible="6" %)
240 240  (((
241 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
249 +(% _mstvisible="7" %)
250 +[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
242 242  )))
243 -)))|(% style="width:77px" %)
252 +)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
244 244  (((
254 +(% _mstvisible="6" %)
245 245  (((
246 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
256 +(% _mstvisible="7" %)
257 +[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
247 247  )))
248 248  
249 -)))|(% style="width:47px" %)
260 +(% _mstvisible="6" %)
250 250  (((
251 -[[Ext>>||anchor="H2.4.5Ext23" ]] #
252 -)))|(% style="width:51px" %)
262 +(% _mstvisible="7" %)
263 +[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
264 +)))
265 +)))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
253 253  (((
254 -[[Ext value>>||anchor="H2.4.6Extvalue"]]
267 +(% _mstvisible="6" %)
268 +[[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
269 +)))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
270 +(((
271 +(% _mstvisible="6" %)
272 +[[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
255 255  )))
256 256  
257 257  * The First 6 bytes: has fix meanings for every LHT65N.
... ... @@ -264,13 +264,17 @@
264 264  
265 265  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.
266 266  
267 -Below is the position to put the decoder and LHT65N decoder can be download from here: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
285 +Below is the position to put the decoder and LHT65N decoder can be download from here:
268 268  
269 269  
288 +[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
289 +
290 +
270 270  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
271 271  
272 272  
273 273  
295 +
274 274  === 2.4.2 BAT-Battery Info ===
275 275  
276 276  
... ... @@ -352,12 +352,14 @@
352 352  
353 353  )))
354 354  
355 -(% _mstvisible="1" border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:510px" %)
356 -|=(% style="width: 50px;" %)
357 -(((**Size(bytes)**
358 -)))|=(% _mstvisible="4" style="width: 71px;" %)
377 +(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
378 +(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
359 359  (((
360 360  (% _mstvisible="6" %)
381 +(% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
382 +)))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
383 +(((
384 +(% _mstvisible="6" %)
361 361  (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
362 362  )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
363 363  (((
... ... @@ -455,7 +455,7 @@
455 455  
456 456  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
457 457  
458 -(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:520px" %)
482 +(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
459 459  |(% 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]**
460 460  |(% 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)
461 461  
... ... @@ -471,11 +471,11 @@
471 471  
472 472  be used to power the external ADC sensor; user can control the power on time for this
473 473  
474 -(% style="color:blue" %)**sensor by setting:**
498 +sensor by setting:
475 475  
476 -**AT+EXT=6,timeout**  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
500 +AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
477 477  
478 -**For example:**
502 +For example:
479 479  
480 480  AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
481 481  
... ... @@ -519,7 +519,7 @@
519 519  [[image:image-20220927095645-1.png||height="534" width="460"]]
520 520  
521 521  
522 -(% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117):**
546 +**Ext=2,Temperature Sensor(TMP117):**
523 523  
524 524  [[image:image-20220906102307-7.png]]
525 525  
... ... @@ -530,6 +530,7 @@
530 530  
531 531  
532 532  
557 +
533 533  ==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ====
534 534  
535 535  
... ... @@ -538,7 +538,7 @@
538 538  
539 539  (% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
540 540  
541 -(% style="color:#037691" %)**Case 1: Door Sensor.** (%%)3.3v Out for such sensor is just to detect Open/Close.
566 +**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
542 542  
543 543   In Open State, the power consumption is the same as if there is no probe
544 544  
... ... @@ -549,7 +549,7 @@
549 549  
550 550  Ext=4,Interrupt Sensor:
551 551  
552 -(% border="1.5" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
577 +(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
553 553  |(% style="width:117px" %)(((
554 554  AT+EXT=4,1
555 555  )))|(% style="width:371px" %)(((
... ... @@ -593,7 +593,6 @@
593 593  
594 594  [[image:image-20220906101320-5.png||height="353" width="696"]]
595 595  
596 -
597 597  Ext=8, Counting Sensor ( 4 bytes):
598 598  
599 599  (% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
... ... @@ -629,7 +629,52 @@
629 629  A2 08 02 00 00 00 3C:  Same as AT+ SETCNT=60  (AT+ SETCNT = 4th byte and 5th byte and 6th byte and 7th byte)
630 630  
631 631  
656 +(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
632 632  
658 +
659 +(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
660 +
661 +(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
662 +
663 +0): Cancel
664 +
665 +1): Threshold alarm
666 +
667 +2): Fluctuation alarm
668 +
669 +
670 +(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
671 +
672 +(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
673 +
674 +
675 +(% style="color:#037691" %) **Parameter 3 and parameter 4:**
676 +
677 +1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
678 +
679 +Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
680 +
681 +
682 +2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
683 +
684 +Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
685 +
686 +If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
687 +
688 +
689 +(% style="color:blue" %)** Downlink:**
690 +
691 +0xA5 00 ~-~- AT+WMOD=0.
692 +
693 +0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
694 +
695 +0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
696 +
697 +0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
698 +
699 +
700 +
701 +
633 633  == 2.5 Show data on Datacake ==
634 634  
635 635  
... ... @@ -692,12 +692,12 @@
692 692  
693 693  There are two methods:
694 694  
695 -(% style="color:blue" %)**Method 1:** (%%)IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
764 +**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
696 696  
697 697  
698 -(% style="color:blue" %)**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.
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.
699 699  
700 -(% style="color:red" %)**Note for method 2:**
769 +**Note for method 2:**
701 701  
702 702  * a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
703 703  * 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.
... ... @@ -732,11 +732,11 @@
732 732  
733 733  
734 734  (((
735 -(% style="color:blue" %)**There are two ways to set device's time:**
804 +There are two ways to set device's time:
736 736  )))
737 737  
738 738  (((
739 -**1.  Through LoRaWAN MAC Command (Default settings)**
808 +**~1. Through LoRaWAN MAC Command (Default settings)**
740 740  )))
741 741  
742 742  (((
... ... @@ -933,9 +933,9 @@
933 933  (((
934 934  [[image:image-20221006192726-1.png||height="112" width="754"]]
935 935  
936 -(% 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)
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)
937 937  
938 -(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
1007 +(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
939 939  
940 940  
941 941  )))
... ... @@ -986,7 +986,7 @@
986 986  (((
987 987  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
988 988  (((
989 -**a) DR0:** max is 11 bytes so one entry of data
1058 +a) DR0: max is 11 bytes so one entry of data
990 990  )))
991 991  )))
992 992  )))
... ... @@ -997,7 +997,7 @@
997 997  (((
998 998  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
999 999  (((
1000 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1069 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1001 1001  )))
1002 1002  )))
1003 1003  )))
... ... @@ -1008,7 +1008,7 @@
1008 1008  (((
1009 1009  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1010 1010  (((
1011 -**c) DR2:** total payload includes 11 entries of data
1080 +c) DR2: total payload includes 11 entries of data
1012 1012  )))
1013 1013  )))
1014 1014  )))
... ... @@ -1019,7 +1019,7 @@
1019 1019  (((
1020 1020  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1021 1021  (((
1022 -**d) DR3: **total payload includes 22 entries of data.
1091 +d) DR3: total payload includes 22 entries of data.
1023 1023  )))
1024 1024  )))
1025 1025  )))
... ... @@ -1030,7 +1030,7 @@
1030 1030  (((
1031 1031  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1032 1032  (((
1033 -If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
1102 +If devise doesnt have any data in the polling time. Device will uplink 11 bytes of 0   
1034 1034  )))
1035 1035  )))
1036 1036  )))
... ... @@ -1131,42 +1131,17 @@
1131 1131  (((
1132 1132  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1133 1133  
1134 -
1135 -
1136 -=== 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
1137 -
1138 -
1139 -(((
1140 -(% class="box infomessage" %)
1141 -(((
1142 -**AT+WMOD=3,**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1143 -
1144 -**AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1145 -
1146 -**AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
1147 -
1148 -**AT+ARTEMP=? **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1149 -
1150 -**AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1151 -
1152 -**AT+LEDALARM=1** :       Enable LED visual Alarm.
1153 -)))
1154 -)))
1155 -
1156 -
1157 1157  
1158 1158  )))
1159 1159  
1160 1160  (((
1161 -=== 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
1162 -
1163 -
1207 +**AT COMMAND FOR ALARM MODE:**
1164 1164  )))
1165 1165  
1166 1166  (% _mstvisible="1" class="box infomessage" %)
1167 1167  (((
1168 1168  (((
1169 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1213 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1170 1170  )))
1171 1171  
1172 1172  (((
... ... @@ -1338,11 +1338,11 @@
1338 1338  
1339 1339  Format: Command Code (0x01) followed by 3 bytes time value.
1340 1340  
1341 -If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1385 +If the downlink payload=0100003C, it means set the END Nodes Transmit Interval to 0x00003C=60(S), while type code is 01.
1342 1342  
1343 -* **Example 1**: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1387 +* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1344 1344  
1345 -* **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1389 +* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1346 1346  
1347 1347  
1348 1348  == 4.2 Set External Sensor Mode ==
... ... @@ -1465,7 +1465,7 @@
1465 1465  
1466 1466  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1467 1467  
1468 -0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1512 +0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1469 1469  
1470 1470  
1471 1471  
... ... @@ -1507,7 +1507,7 @@
1507 1507  
1508 1508  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1509 1509  
1510 -**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1554 +**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1511 1511  
1512 1512  
1513 1513  
... ... @@ -1558,7 +1558,7 @@
1558 1558  
1559 1559  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1560 1560  
1561 -* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1605 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
1562 1562  
1563 1563  
1564 1564  == 4.13 Auto Send None-ACK messages ==
... ... @@ -1579,60 +1579,9 @@
1579 1579  
1580 1580  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1581 1581  
1582 -* Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1626 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1583 1583  
1584 1584  
1585 -== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1586 -
1587 -
1588 -Feature: Set internal and external temperature sensor alarms.
1589 -
1590 -(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1591 -|(%%)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|(%%)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|(%%)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1592 -|(%%)(% style="color:#037691" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|Set internal and external temperature sensor alarms|OK
1593 -
1594 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
1595 -
1596 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
1597 -
1598 -0): Cancel
1599 -
1600 -1): Threshold alarm
1601 -
1602 -2): Fluctuation alarm
1603 -
1604 -
1605 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
1606 -
1607 -(% style="color:red" %)**Note: When the collection time is less than 60 seconds and always exceeds the set alarm threshold, the sending interval will not be the collection time, but will be sent every 60 seconds.**
1608 -
1609 -
1610 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
1611 -
1612 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
1613 -
1614 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
1615 -
1616 -
1617 -2):  If Alarm Mode is set to 2: Parameter 3 is valid, which represents the difference between the currently collected temperature and the last uploaded temperature.
1618 -
1619 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
1620 -
1621 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
1622 -
1623 -
1624 -(% style="color:#4f81bd" %)**Downlink Command: 0xA5**
1625 -
1626 -0xA5 00 ~-~- AT+WMOD=0.
1627 -
1628 -0xA5 01 0A 11 94 29 04 ~-~- AT+WMOD=1,10,45,105  (AT+WMOD = second byte, third byte, fourth and fifth bytes divided by 100, sixth and seventh bytes divided by 100 )
1629 -
1630 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1631 -
1632 -0xA5 FF ~-~- After the device receives it, upload the current alarm configuration (FPORT=8). Such as 01 0A 11 94 29 04 or 02 0A 02.
1633 -
1634 -
1635 -
1636 1636  = 5. Battery & How to replace =
1637 1637  
1638 1638  
... ... @@ -1702,6 +1702,7 @@
1702 1702  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1703 1703  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1704 1704  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1698 +* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1705 1705  
1706 1706  (((
1707 1707  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.