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

From version 203.1
edited by Edwin Chen
on 2022/10/06 19:30
Change comment: There is no comment for this version
To version 210.3
edited by Xiaoling
on 2022/10/26 15:43
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -198,10 +198,9 @@
198 198  
199 199  
200 200  
201 +== 2.4 Uplink Payload   ( Fport~=2) ==
201 201  
202 -== 2.4 Uplink Payload ==
203 203  
204 -
205 205  (((
206 206  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.
207 207  )))
... ... @@ -210,68 +210,49 @@
210 210  After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
211 211  )))
212 212  
213 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
214 -(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
212 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:390px" %)
213 +|=(% style="width: 60px;" %)
215 215  (((
216 -(% _mstvisible="6" %)
217 -(% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
218 -)))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
215 +**Size(bytes)**
216 +)))|=(% style="width: 30px;" %)
219 219  (((
220 -(% _mstvisible="6" %)
221 -(% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
222 -)))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
218 +**2**
219 +)))|=(% style="width: 100px;" %)
223 223  (((
224 -(% _mstvisible="6" %)
225 -(% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
226 -)))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
221 +**2**
222 +)))|=(% style="width: 100px;" %)
227 227  (((
228 -(% _mstvisible="6" %)
229 -(% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
230 -)))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
224 +**2**
225 +)))|=(% style="width: 50px;" %)
231 231  (((
232 -(% _mstvisible="6" %)
233 -(% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
234 -)))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
227 +**1**
228 +)))|=(% style="width: 50px;" %)
235 235  (((
236 -(% _mstvisible="6" %)
237 -(% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
230 +**4**
238 238  )))
239 -(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
232 +|(% style="width:97px" %)
240 240  (((
241 -(% _mstvisible="6" %)
242 -(% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
243 -)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
234 +**Value**
235 +)))|(% style="width:39px" %)
244 244  (((
245 -(% _mstvisible="6" %)
246 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
247 -)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
237 +[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" ]]
238 +)))|(% style="width:100px" %)
248 248  (((
249 -(% _mstvisible="6" %)
250 250  (((
251 -(% _mstvisible="7" %)
252 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
241 +[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
253 253  )))
254 -)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
243 +)))|(% style="width:77px" %)
255 255  (((
256 -(% _mstvisible="6" %)
257 257  (((
258 -(% _mstvisible="7" %)
259 -[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
246 +[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
260 260  )))
261 261  
262 -(% _mstvisible="6" %)
249 +)))|(% style="width:47px" %)
263 263  (((
264 -(% _mstvisible="7" %)
265 -[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
266 -)))
267 -)))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
251 +[[Ext>>||anchor="H2.4.5Ext23" ]] #
252 +)))|(% style="width:51px" %)
268 268  (((
269 -(% _mstvisible="6" %)
270 -[[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
271 -)))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
272 -(((
273 -(% _mstvisible="6" %)
274 -[[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
254 +[[Ext value>>||anchor="H2.4.6Extvalue"]]
275 275  )))
276 276  
277 277  * The First 6 bytes: has fix meanings for every LHT65N.
... ... @@ -279,23 +279,18 @@
279 279  * 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.)
280 280  
281 281  
282 -
283 283  === 2.4.1 Decoder in TTN V3 ===
284 284  
285 285  
286 286  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.
287 287  
288 -Below is the position to put the decoder and LHT65N decoder can be download from here:
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]]
289 289  
290 290  
291 -[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
292 -
293 -
294 294  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
295 295  
296 296  
297 297  
298 -
299 299  === 2.4.2 BAT-Battery Info ===
300 300  
301 301  
... ... @@ -313,7 +313,6 @@
313 313  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
314 314  
315 315  
316 -
317 317  === 2.4.3 Built-in Temperature ===
318 318  
319 319  
... ... @@ -326,7 +326,6 @@
326 326  * Temperature:  (0xF5C6-65536)/100=-26.18℃
327 327  
328 328  
329 -
330 330  === 2.4.4 Built-in Humidity ===
331 331  
332 332  
... ... @@ -335,7 +335,6 @@
335 335  * Humidity:    0x025C/10=60.4%
336 336  
337 337  
338 -
339 339  === 2.4.5 Ext # ===
340 340  
341 341  
... ... @@ -380,14 +380,12 @@
380 380  
381 381  )))
382 382  
383 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
384 -(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
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;" %)
385 385  (((
386 386  (% _mstvisible="6" %)
387 -(% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
388 -)))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
389 -(((
390 -(% _mstvisible="6" %)
391 391  (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
392 392  )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
393 393  (((
... ... @@ -485,7 +485,7 @@
485 485  
486 486  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
487 487  
488 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
458 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:520px" %)
489 489  |(% 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]**
490 490  |(% 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)
491 491  
... ... @@ -494,7 +494,6 @@
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  
496 496  
497 -
498 498  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
499 499  
500 500  
... ... @@ -502,11 +502,11 @@
502 502  
503 503  be used to power the external ADC sensor; user can control the power on time for this
504 504  
505 -sensor by setting:
474 +(% style="color:blue" %)**sensor by setting:**
506 506  
507 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
476 +**AT+EXT=6,timeout**  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)**Time to power this sensor, from 0 ~~ 65535ms**
508 508  
509 -For example:
478 +**For example:**
510 510  
511 511  AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
512 512  
... ... @@ -550,7 +550,7 @@
550 550  [[image:image-20220927095645-1.png||height="534" width="460"]]
551 551  
552 552  
553 -**Ext=2,Temperature Sensor(TMP117):**
522 +(% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117):**
554 554  
555 555  [[image:image-20220906102307-7.png]]
556 556  
... ... @@ -561,7 +561,6 @@
561 561  
562 562  
563 563  
564 -
565 565  ==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ====
566 566  
567 567  
... ... @@ -570,7 +570,7 @@
570 570  
571 571  (% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
572 572  
573 -**Case 1: Door Sensor.** 3.3v Out for such sensor is just to detect Open/Close.
541 +(% style="color:#037691" %)**Case 1: Door Sensor.** (%%)3.3v Out for such sensor is just to detect Open/Close.
574 574  
575 575   In Open State, the power consumption is the same as if there is no probe
576 576  
... ... @@ -581,7 +581,7 @@
581 581  
582 582  Ext=4,Interrupt Sensor:
583 583  
584 -(% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
552 +(% border="1.5" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:512px" %)
585 585  |(% style="width:117px" %)(((
586 586  AT+EXT=4,1
587 587  )))|(% style="width:371px" %)(((
... ... @@ -625,6 +625,7 @@
625 625  
626 626  [[image:image-20220906101320-5.png||height="353" width="696"]]
627 627  
596 +
628 628  Ext=8, Counting Sensor ( 4 bytes):
629 629  
630 630  (% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
... ... @@ -660,52 +660,7 @@
660 660  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)
661 661  
662 662  
663 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
664 664  
665 -
666 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
667 -
668 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
669 -
670 -0): Cancel
671 -
672 -1): Threshold alarm
673 -
674 -2): Fluctuation alarm
675 -
676 -
677 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
678 -
679 -(% 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.**
680 -
681 -
682 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
683 -
684 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
685 -
686 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
687 -
688 -
689 -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.
690 -
691 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
692 -
693 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
694 -
695 -
696 -(% style="color:blue" %)** Downlink:**
697 -
698 -0xA5 00 ~-~- AT+WMOD=0.
699 -
700 -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 )
701 -
702 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
703 -
704 -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.
705 -
706 -
707 -
708 -
709 709  == 2.5 Show data on Datacake ==
710 710  
711 711  
... ... @@ -768,9 +768,16 @@
768 768  
769 769  There are two methods:
770 770  
771 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
772 -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.
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.
773 773  
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.
699 +
700 +(% style="color:red" %)**Note for method 2:**
701 +
702 +* a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
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.
704 +
774 774  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
775 775  
776 776  
... ... @@ -801,11 +801,11 @@
801 801  
802 802  
803 803  (((
804 -There are two ways to set device's time:
735 +(% style="color:blue" %)**There are two ways to set device's time:**
805 805  )))
806 806  
807 807  (((
808 -**~1. Through LoRaWAN MAC Command (Default settings)**
739 +**1.  Through LoRaWAN MAC Command (Default settings)**
809 809  )))
810 810  
811 811  (((
... ... @@ -1002,9 +1002,9 @@
1002 1002  (((
1003 1003  [[image:image-20221006192726-1.png||height="112" width="754"]]
1004 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)
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)
1006 1006  
1007 -(% class="mark" %)Poll Message Flag(%%): 1: This message is a poll message reply.
938 +(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
1008 1008  
1009 1009  
1010 1010  )))
... ... @@ -1055,7 +1055,7 @@
1055 1055  (((
1056 1056  (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
1057 1057  (((
1058 -a) DR0: max is 11 bytes so one entry of data
989 +**a) DR0:** max is 11 bytes so one entry of data
1059 1059  )))
1060 1060  )))
1061 1061  )))
... ... @@ -1066,7 +1066,7 @@
1066 1066  (((
1067 1067  (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
1068 1068  (((
1069 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1000 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1070 1070  )))
1071 1071  )))
1072 1072  )))
... ... @@ -1077,7 +1077,7 @@
1077 1077  (((
1078 1078  (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1079 1079  (((
1080 -c) DR2: total payload includes 11 entries of data
1011 +**c) DR2:** total payload includes 11 entries of data
1081 1081  )))
1082 1082  )))
1083 1083  )))
... ... @@ -1088,7 +1088,7 @@
1088 1088  (((
1089 1089  (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1090 1090  (((
1091 -d) DR3: total payload includes 22 entries of data.
1022 +**d) DR3: **total payload includes 22 entries of data.
1092 1092  )))
1093 1093  )))
1094 1094  )))
... ... @@ -1099,7 +1099,7 @@
1099 1099  (((
1100 1100  (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1101 1101  (((
1102 -If devise doesnt have any data in the polling time. Device will uplink 11 bytes of 0   
1033 +If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
1103 1103  )))
1104 1104  )))
1105 1105  )))
... ... @@ -1200,17 +1200,42 @@
1200 1200  (((
1201 1201  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1202 1202  
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 +
1203 1203  
1204 1204  )))
1205 1205  
1206 1206  (((
1207 -**AT COMMAND FOR ALARM MODE:**
1161 +=== 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
1162 +
1163 +
1208 1208  )))
1209 1209  
1210 1210  (% _mstvisible="1" class="box infomessage" %)
1211 1211  (((
1212 1212  (((
1213 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1169 +**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1214 1214  )))
1215 1215  
1216 1216  (((
... ... @@ -1261,7 +1261,6 @@
1261 1261  * For each success downlink, the PURPLE LED will blink once
1262 1262  
1263 1263  
1264 -
1265 1265  == 2.9 installation ==
1266 1266  
1267 1267  
... ... @@ -1320,7 +1320,6 @@
1320 1320  * Working voltage 2.35v ~~ 5v
1321 1321  
1322 1322  
1323 -
1324 1324  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1325 1325  
1326 1326  
... ... @@ -1384,14 +1384,13 @@
1384 1384  
1385 1385  Format: Command Code (0x01) followed by 3 bytes time value.
1386 1386  
1387 -If the downlink payload=0100003C, it means set the END Nodes Transmit Interval to 0x00003C=60(S), while type code is 01.
1341 +If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1388 1388  
1389 -* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1343 +* **Example 1**: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1390 1390  
1391 -* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1345 +* **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1392 1392  
1393 1393  
1394 -
1395 1395  == 4.2 Set External Sensor Mode ==
1396 1396  
1397 1397  
... ... @@ -1416,7 +1416,6 @@
1416 1416  * 0xA20702003c: Same as AT+SETCNT=60
1417 1417  
1418 1418  
1419 -
1420 1420  == 4.3 Enable/Disable uplink Temperature probe ID ==
1421 1421  
1422 1422  
... ... @@ -1448,7 +1448,6 @@
1448 1448  * **0xA801**     **~-~->** AT+PID=1
1449 1449  
1450 1450  
1451 -
1452 1452  == 4.4 Set Password ==
1453 1453  
1454 1454  
... ... @@ -1501,7 +1501,6 @@
1501 1501  * There is no downlink command to set to Sleep mode.
1502 1502  
1503 1503  
1504 -
1505 1505  == 4.7 Set system time ==
1506 1506  
1507 1507  
... ... @@ -1515,7 +1515,7 @@
1515 1515  
1516 1516  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1517 1517  
1518 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1468 +0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1519 1519  
1520 1520  
1521 1521  
... ... @@ -1557,7 +1557,7 @@
1557 1557  
1558 1558  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1559 1559  
1560 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1510 +**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1561 1561  
1562 1562  
1563 1563  
... ... @@ -1608,10 +1608,9 @@
1608 1608  
1609 1609  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1610 1610  
1611 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
1561 +* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1612 1612  
1613 1613  
1614 -
1615 1615  == 4.13 Auto Send None-ACK messages ==
1616 1616  
1617 1617  
... ... @@ -1630,10 +1630,60 @@
1630 1630  
1631 1631  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1632 1632  
1633 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1582 +* Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1634 1634  
1635 1635  
1585 +== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1636 1636  
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 +
1637 1637  = 5. Battery & How to replace =
1638 1638  
1639 1639  
... ... @@ -1703,7 +1703,6 @@
1703 1703  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1704 1704  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1705 1705  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1706 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1707 1707  
1708 1708  (((
1709 1709  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.
... ... @@ -2104,7 +2104,6 @@
2104 2104  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2105 2105  
2106 2106  
2107 -
2108 2108  = 8. Packing Info =
2109 2109  
2110 2110  
... ... @@ -2119,7 +2119,6 @@
2119 2119  * Device Weight: 120.5g
2120 2120  
2121 2121  
2122 -
2123 2123  = 9. Reference material =
2124 2124  
2125 2125  
... ... @@ -2126,7 +2126,6 @@
2126 2126  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2127 2127  
2128 2128  
2129 -
2130 2130  = 10. FCC Warning =
2131 2131  
2132 2132