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Last modified by Xiaoling on 2023/07/18 10:12
From version 207.1
edited by Edwin Chen
on 2022/10/18 09:59
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  
... ... @@ -196,7 +196,6 @@
196 196  
197 197  
198 198  
199 -
200 200  == 2.4 Uplink Payload   ( Fport~=2) ==
201 201  
202 202  
... ... @@ -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.
... ... @@ -276,6 +276,7 @@
276 276  * The 7th byte (EXT #): defines the external sensor model.
277 277  * 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.)
278 278  
261 +
279 279  === 2.4.1 Decoder in TTN V3 ===
280 280  
281 281  
... ... @@ -288,7 +288,6 @@
288 288  
289 289  
290 290  
291 -
292 292  === 2.4.2 BAT-Battery Info ===
293 293  
294 294  
... ... @@ -305,6 +305,7 @@
305 305  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
306 306  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
307 307  
290 +
308 308  === 2.4.3 Built-in Temperature ===
309 309  
310 310  
... ... @@ -316,6 +316,7 @@
316 316  
317 317  * Temperature:  (0xF5C6-65536)/100=-26.18℃
318 318  
302 +
319 319  === 2.4.4 Built-in Humidity ===
320 320  
321 321  
... ... @@ -323,6 +323,7 @@
323 323  
324 324  * Humidity:    0x025C/10=60.4%
325 325  
310 +
326 326  === 2.4.5 Ext # ===
327 327  
328 328  
... ... @@ -367,14 +367,12 @@
367 367  
368 368  )))
369 369  
370 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
371 -(% _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;" %)
372 372  (((
373 373  (% _mstvisible="6" %)
374 -(% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
375 -)))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
376 -(((
377 -(% _mstvisible="6" %)
378 378  (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
379 379  )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
380 380  (((
... ... @@ -472,7 +472,7 @@
472 472  
473 473  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
474 474  
475 -(% 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" %)
476 476  |(% 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]**
477 477  |(% 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)
478 478  
... ... @@ -488,11 +488,11 @@
488 488  
489 489  be used to power the external ADC sensor; user can control the power on time for this
490 490  
491 -sensor by setting:
474 +(% style="color:blue" %)**sensor by setting:**
492 492  
493 -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**
494 494  
495 -For example:
478 +**For example:**
496 496  
497 497  AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
498 498  
... ... @@ -536,7 +536,7 @@
536 536  [[image:image-20220927095645-1.png||height="534" width="460"]]
537 537  
538 538  
539 -**Ext=2,Temperature Sensor(TMP117)：**
522 +(% style="color:blue" %)**Ext=2,Temperature Sensor(TMP117)：**
540 540  
541 541  [[image:image-20220906102307-7.png]]
542 542  
... ... @@ -547,7 +547,6 @@
547 547  
548 548  
549 549  
550 -
551 551  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
552 552  
553 553  
... ... @@ -556,7 +556,7 @@
556 556  
557 557  (% style="color:blue" %)**Interrupt Mode can be used to connect to external interrupt sensors such as:**
558 558  
559 -**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.
560 560  
561 561   In Open State, the power consumption is the same as if there is no probe
562 562  
... ... @@ -567,7 +567,7 @@
567 567  
568 568  Ext=4,Interrupt Sensor：
569 569  
570 -(% 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" %)
571 571  |(% style="width:117px" %)(((
572 572  AT+EXT=4,1
573 573  )))|(% style="width:371px" %)(((
... ... @@ -611,6 +611,7 @@
611 611  
612 612  [[image:image-20220906101320-5.png||height="353" width="696"]]
613 613  
596 +
614 614  Ext=8, Counting Sensor ( 4 bytes)：
615 615  
616 616  (% border="2" cellpadding="4" cellspacing="4" style="background-color:#ffffcc; color:green; height:6px; width:381px" %)
... ... @@ -646,52 +646,7 @@
646 646  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)
647 647  
648 648  
649 -(% style="color:blue" %)**Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm.**
650 650  
651 -
652 -(% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
653 -
654 -(% style="color:#037691" %)**Parameter 1**(%%):  Alarm mode:
655 -
656 -0): Cancel
657 -
658 -1): Threshold alarm
659 -
660 -2): Fluctuation alarm
661 -
662 -
663 -(% style="color:#037691" %)** Parameter 2**(%%):  Sampling time. Unit: seconds, up to 255 seconds.
664 -
665 -(% 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.**
666 -
667 -
668 -(% style="color:#037691" %) **Parameter 3 and parameter 4:**
669 -
670 -1):  If Alarm Mode is set to 1: Parameter 3 and parameter 4 are valid, as before, they represent low temperature and high temperature.
671 -
672 -Such as AT+WMOD=1,60,45,105, it means high and low temperature alarm.
673 -
674 -
675 -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.
676 -
677 -Such as AT+WMOD=2,10,2,it means that it is a fluctuation alarm.
678 -
679 -If the difference between the current collected temperature and the last Uplin is ±2 degrees, the alarm will be issued.
680 -
681 -
682 -(% style="color:blue" %)** Downlink:**
683 -
684 -0xA5 00 ~-~- AT+WMOD=0.
685 -
686 -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 )
687 -
688 -0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
689 -
690 -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.
691 -
692 -
693 -
694 -
695 695  == 2.5 Show data on Datacake ==
696 696  
697 697  
... ... @@ -754,12 +754,12 @@
754 754  
755 755  There are two methods:
756 756  
757 -**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.
758 758  
759 759  
760 -**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.
761 761  
762 -**Note for method 2:**
700 +(% style="color:red" %)**Note for method 2:**
763 763  
764 764  * a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
765 765  * 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.
... ... @@ -794,11 +794,11 @@
794 794  
795 795  
796 796  (((
797 -There are two ways to set device's time:
735 +(% style="color:blue" %)**There are two ways to set device's time:**
798 798  )))
799 799  
800 800  (((
801 -**~1. Through LoRaWAN MAC Command (Default settings)**
739 +**1.  Through LoRaWAN MAC Command (Default settings)**
802 802  )))
803 803  
804 804  (((
... ... @@ -1193,12 +1193,15 @@
1193 1193  (((
1194 1194  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1195 1195  
1196 -=== **2.7.1 ALARM MODE ( Since v1.3.1 firmware)** ===
1197 1197  
1135 +
1136 +=== 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
1137 +
1138 +
1198 1198  (((
1199 1199  (% class="box infomessage" %)
1200 1200  (((
1201 -**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1142 +**AT+WMOD=3,**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1202 1202  
1203 1203  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1204 1204  
... ... @@ -1207,6 +1207,8 @@
1207 1207  **AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1208 1208  
1209 1209  **AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
1151 +
1152 +**AT+LEDALARM=1** :       Enable LED visual Alarm.
1210 1210  )))
1211 1211  )))
1212 1212  
... ... @@ -1215,7 +1215,9 @@
1215 1215  )))
1216 1216  
1217 1217  (((
1218 -=== **2.7.2 ALARM MODE ( Before v1.3.1 firmware)** ===
1161 +=== 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
1162 +
1163 +
1219 1219  )))
1220 1220  
1221 1221  (% _mstvisible="1" class="box infomessage" %)
... ... @@ -1271,6 +1271,7 @@
1271 1271  * RED LED when external sensor is not connected
1272 1272  * For each success downlink, the PURPLE LED will blink once
1273 1273  
1219 +
1274 1274  == 2.9 installation ==
1275 1275  
1276 1276  
... ... @@ -1328,6 +1328,7 @@
1328 1328  * Operating Range: -40 ~~ 125 °C
1329 1329  * Working voltage 2.35v ~~ 5v
1330 1330  
1277 +
1331 1331  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1332 1332  
1333 1333  
... ... @@ -1391,12 +1391,13 @@
1391 1391  
1392 1392  Format: Command Code (0x01) followed by 3 bytes time value.
1393 1393  
1394 -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.
1395 1395  
1396 -* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1343 +* **Example 1**: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1397 1397  
1398 -* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1345 +* **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1399 1399  
1347 +
1400 1400  == 4.2 Set External Sensor Mode ==
1401 1401  
1402 1402  
... ... @@ -1420,6 +1420,7 @@
1420 1420  
1421 1421  * 0xA20702003c: Same as AT+SETCNT=60
1422 1422  
1371 +
1423 1423  == 4.3 Enable/Disable uplink Temperature probe ID ==
1424 1424  
1425 1425  
... ... @@ -1450,6 +1450,7 @@
1450 1450  * **0xA800**  **~-~->** AT+PID=0
1451 1451  * **0xA801**     **~-~->** AT+PID=1
1452 1452  
1402 +
1453 1453  == 4.4 Set Password ==
1454 1454  
1455 1455  
... ... @@ -1501,6 +1501,7 @@
1501 1501  
1502 1502  * There is no downlink command to set to Sleep mode.
1503 1503  
1454 +
1504 1504  == 4.7 Set system time ==
1505 1505  
1506 1506  
... ... @@ -1514,7 +1514,7 @@
1514 1514  
1515 1515  (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1516 1516  
1517 -0x306007806000  ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1468 +0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1518 1518  
1519 1519  
1520 1520  
... ... @@ -1556,7 +1556,7 @@
1556 1556  
1557 1557  (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1558 1558  
1559 -**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1510 +**0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1560 1560  
1561 1561  
1562 1562  
... ... @@ -1607,8 +1607,9 @@
1607 1607  
1608 1608  (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1609 1609  
1610 -* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1561 +* Example: 0xA301  ~/~/  Same as AT+CLRDTA
1611 1611  
1563 +
1612 1612  == 4.13 Auto Send None-ACK messages ==
1613 1613  
1614 1614  
... ... @@ -1627,8 +1627,60 @@
1627 1627  
1628 1628  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1629 1629  
1630 -* Example: 0x3401 ~/~/  Same as AT+PNACKMD=1
1582 +* Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1631 1631  
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 +
1632 1632  = 5. Battery & How to replace =
1633 1633  
1634 1634  
... ... @@ -2097,6 +2097,7 @@
2097 2097  
2098 2098  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2099 2099  
2104 +
2100 2100  = 8. Packing Info =
2101 2101  
2102 2102  
... ... @@ -2110,11 +2110,13 @@
2110 2110  * Device Size:  10 x 10 x 3.5 cm
2111 2111  * Device Weight: 120.5g
2112 2112  
2118 +
2113 2113  = 9. Reference material =
2114 2114  
2115 2115  
2116 2116  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2117 2117  
2124 +
2118 2118  = 10. FCC Warning =
2119 2119  
2120 2120