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Last modified by Xiaoling on 2023/07/18 10:12
From version 204.1
edited by Edwin Chen
on 2022/10/08 15:03
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
... ... @@ -61,6 +61,7 @@
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  
... ... @@ -196,10 +196,9 @@
196 196  
197 197  
198 198  
201 +== 2.4 Uplink Payload   ( Fport~=2) ==
199 199  
200 -== 2.4 Uplink Payload ==
201 201  
202 -
203 203  (((
204 204  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.
205 205  )))
... ... @@ -208,68 +208,49 @@
208 208  After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
209 209  )))
210 210  
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" %)
212 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:390px" %)
213 +|=(% style="width: 60px;" %)
213 213  (((
214 -(% _mstvisible="6" %)
215 -(% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
216 -)))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
215 +**Size(bytes)**
216 +)))|=(% style="width: 30px;" %)
217 217  (((
218 -(% _mstvisible="6" %)
219 -(% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
220 -)))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
218 +**2**
219 +)))|=(% style="width: 100px;" %)
221 221  (((
222 -(% _mstvisible="6" %)
223 -(% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
224 -)))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
221 +**2**
222 +)))|=(% style="width: 100px;" %)
225 225  (((
226 -(% _mstvisible="6" %)
227 -(% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
228 -)))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
224 +**2**
225 +)))|=(% style="width: 50px;" %)
229 229  (((
230 -(% _mstvisible="6" %)
231 -(% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
232 -)))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
227 +**1**
228 +)))|=(% style="width: 50px;" %)
233 233  (((
234 -(% _mstvisible="6" %)
235 -(% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
230 +**4**
236 236  )))
237 -(% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
232 +|(% style="width:97px" %)
238 238  (((
239 -(% _mstvisible="6" %)
240 -(% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
241 -)))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
234 +**Value**
235 +)))|(% style="width:39px" %)
242 242  (((
243 -(% _mstvisible="6" %)
244 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
245 -)))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
237 +[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" ]]
238 +)))|(% style="width:100px" %)
246 246  (((
247 -(% _mstvisible="6" %)
248 248  (((
249 -(% _mstvisible="7" %)
250 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
241 +[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
251 251  )))
252 -)))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
243 +)))|(% style="width:77px" %)
253 253  (((
254 -(% _mstvisible="6" %)
255 255  (((
256 -(% _mstvisible="7" %)
257 -[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
246 +[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
258 258  )))
259 259  
260 -(% _mstvisible="6" %)
249 +)))|(% style="width:47px" %)
261 261  (((
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" %)
251 +[[Ext>>||anchor="H2.4.5Ext23" ]] #
252 +)))|(% style="width:51px" %)
266 266  (((
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"]]
254 +[[Ext value>>||anchor="H2.4.6Extvalue"]]
273 273  )))
274 274  
275 275  * The First 6 bytes: has fix meanings for every LHT65N.
... ... @@ -282,17 +282,13 @@
282 282  
283 283  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.
284 284  
285 -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]]
286 286  
287 287  
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 -
291 291  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
292 292  
293 293  
294 294  
295 -
296 296  === 2.4.2 BAT-Battery Info ===
297 297  
298 298  
... ... @@ -374,14 +374,12 @@
374 374  
375 375  )))
376 376  
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" %)
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;" %)
379 379  (((
380 380  (% _mstvisible="6" %)
381 -(% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
382 -)))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
383 -(((
384 -(% _mstvisible="6" %)
385 385  (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
386 386  )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
387 387  (((
... ... @@ -479,7 +479,7 @@
479 479  
480 480  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
481 481  
482 -(% 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" %)
483 483  |(% 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]**
484 484  |(% 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)
485 485  
... ... @@ -495,11 +495,11 @@
495 495  
496 496  be used to power the external ADC sensor; user can control the power on time for this
497 497  
498 -sensor by setting:
474 +(% style="color:blue" %)**sensor by setting:**
499 499  
500 -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**
501 501  
502 -For example:
478 +**For example:**
503 503  
504 504  AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
505 505  
... ... @@ -543,7 +543,7 @@
543 543  [[image:image-20220927095645-1.png||height="534" width="460"]]
544 544  
545 545  
546 -**Ext=2,Temperature Sensor(TMP117)：**
522 +(% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
547 547  
548 548  [[image:image-20220906102307-7.png]]
549 549  
... ... @@ -554,7 +554,6 @@
554 554  
555 555  
556 556  
557 -
558 558  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
559 559  
560 560  
... ... @@ -563,7 +563,7 @@
563 563  
564 564  (% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
565 565  
566 -**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.
567 567  
568 568   In Open State, the power consumption is the same as if there is no probe
569 569  
... ... @@ -574,7 +574,7 @@
574 574  
575 575  Ext=4,Interrupt Sensor：
576 576  
577 -(% 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" %)
578 578  |(% style="width:117px" %)(((
579 579  AT+EXT=4,1
580 580  )))|(% style="width:371px" %)(((
... ... @@ -618,6 +618,7 @@
618 618  
619 619  [[image:image-20220906101320-5.png||height="353" width="696"]]
620 620  
596 +
621 621  Ext=8, Counting Sensor ( 4 bytes)：
622 622  
623 623  (% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
... ... @@ -653,52 +653,7 @@
653 653  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)
654 654  
655 655  
656 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
657 657  
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 -
702 702  == 2.5 Show data on Datacake ==
703 703  
704 704  
... ... @@ -761,12 +761,12 @@
761 761  
762 762  There are two methods:
763 763  
764 -**Method 1**: IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specified time range.
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.
765 765  
766 766  
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.
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.
768 768  
769 -**Note for method 2:**
700 +(% style="color:red" %)**Note for method 2:**
770 770  
771 771  * a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
772 772  * 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.
... ... @@ -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 doesn’t 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  (((
... ... @@ -1382,11 +1382,11 @@
1382 1382  
1383 1383  Format: Command Code (0x01) followed by 3 bytes time value.
1384 1384  
1385 -If the downlink payload=0100003C, it means set the END Node’s 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.
1386 1386  
1387 -* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1343 +* **Example 1**: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1388 1388  
1389 -* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1345 +* **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1390 1390  
1391 1391  
1392 1392  == 4.2 Set External Sensor Mode ==
... ... @@ -1509,7 +1509,7 @@
1509 1509  
1510 1510  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511 1511  
1512 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1468 +0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1513 1513  
1514 1514  
1515 1515  
... ... @@ -1551,7 +1551,7 @@
1551 1551  
1552 1552  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1553 1553  
1554 -**0x29 0A** ~/~/ Same as AT+SYNCTDC=0x0A
1510 +**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1555 1555  
1556 1556  
1557 1557  
... ... @@ -1602,7 +1602,7 @@
1602 1602  
1603 1603  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1604 1604  
1605 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
1561 +* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1606 1606  
1607 1607  
1608 1608  == 4.13 Auto Send None-ACK messages ==
... ... @@ -1623,9 +1623,60 @@
1623 1623  
1624 1624  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1625 1625  
1626 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1582 +* Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1627 1627  
1628 1628  
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 +
1629 1629  = 5. Battery & How to replace =
1630 1630  
1631 1631  
... ... @@ -1695,7 +1695,6 @@
1695 1695  * (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
1696 1696  * (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1697 1697  * (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1698 -* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1699 1699  
1700 1700  (((
1701 1701  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.