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

From version 210.7
edited by Xiaoling
on 2022/10/26 16:05
Change comment: There is no comment for this version
To version 223.3
edited by Xiaoling
on 2022/12/02 15:14
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -16,7 +16,6 @@
16 16  
17 17  = 1. Introduction =
18 18  
19 -
20 20  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
21 21  
22 22  
... ... @@ -45,7 +45,6 @@
45 45  )))
46 46  
47 47  
48 -
49 49  == 1.2 Features ==
50 50  
51 51  
... ... @@ -61,6 +61,8 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
62 +
63 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,9 +85,10 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
88 -= 2. Connect LHT65N to IoT Server =
89 89  
90 90  
90 += 2. Connect LHT65N to IoT Server =
91 +
91 91  == 2.1 How does LHT65N work? ==
92 92  
93 93  
... ... @@ -100,7 +100,6 @@
100 100  )))
101 101  
102 102  
103 -
104 104  == 2.2 How to Activate LHT65N? ==
105 105  
106 106  
... ... @@ -109,7 +109,7 @@
109 109  )))
110 110  
111 111  * (((
112 -(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesnt have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
112 +(% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn't have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
113 113  )))
114 114  * (((
115 115  (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
... ... @@ -125,7 +125,6 @@
125 125  [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
126 126  
127 127  
128 -
129 129  == 2.3 Example to join LoRaWAN network ==
130 130  
131 131  
... ... @@ -142,7 +142,6 @@
142 142  )))
143 143  
144 144  
145 -
146 146  === 2.3.1 Step 1: Create Device n TTN ===
147 147  
148 148  
... ... @@ -183,8 +183,6 @@
183 183  [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
184 184  
185 185  
186 -
187 -
188 188  === 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
189 189  
190 190  
... ... @@ -195,7 +195,6 @@
195 195  [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
196 196  
197 197  
198 -
199 199  == 2.4 Uplink Payload   ( Fport~=2) ==
200 200  
201 201  
... ... @@ -243,6 +243,8 @@
243 243  * The 7th byte (EXT #): defines the external sensor model.
244 244  * 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.)
245 245  
241 +
242 +
246 246  === 2.4.1 Decoder in TTN V3 ===
247 247  
248 248  
... ... @@ -254,7 +254,6 @@
254 254  [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
255 255  
256 256  
257 -
258 258  === 2.4.2 BAT-Battery Info ===
259 259  
260 260  
... ... @@ -271,6 +271,8 @@
271 271  * BAT status=(0Xcba4>>14)&0xFF=11(B),very good
272 272  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
273 273  
270 +
271 +
274 274  === 2.4.3 Built-in Temperature ===
275 275  
276 276  
... ... @@ -282,6 +282,8 @@
282 282  
283 283  * Temperature:  (0xF5C6-65536)/100=-26.18℃
284 284  
283 +
284 +
285 285  === 2.4.4 Built-in Humidity ===
286 286  
287 287  
... ... @@ -289,6 +289,8 @@
289 289  
290 290  * Humidity:    0x025C/10=60.4%
291 291  
292 +
293 +
292 292  === 2.4.5 Ext # ===
293 293  
294 294  
... ... @@ -297,10 +297,8 @@
297 297  [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
298 298  
299 299  
300 -
301 301  === 2.4.6 Ext value ===
302 302  
303 -
304 304  ==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
305 305  
306 306  
... ... @@ -311,6 +311,8 @@
311 311  
312 312  The last 2 bytes of data are meaningless
313 313  
314 +
315 +
314 314  [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
315 315  
316 316  
... ... @@ -321,7 +321,6 @@
321 321  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
322 322  
323 323  
324 -
325 325  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
326 326  
327 327  
... ... @@ -336,39 +336,31 @@
336 336  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:480px" %)
337 337  |=(% style="width: 50px;" %)(((
338 338  **Size(bytes)**
339 -)))|=(% style="width: 70px;" %)(((
340 +)))|=(% style="width: 70px;" %)(((
340 340  **2**
341 -)))|=(% style="width: 110px;" %)
342 -(((
342 +)))|=(% style="width: 120px;" %)(((
343 343  **2**
344 -)))|=(% style="width: 130px;" %)
345 -(((
344 +)))|=(% style="width: 120px;" %)(((
346 346  **2**
347 -)))|=(% style="width: 50px;" %)
348 -(((
346 +)))|=(% style="width: 50px;" %)(((
349 349  **1**
350 -)))|=(% style="width: 70px;" %)
351 -(((
348 +)))|=(% style="width: 70px;" %)(((
352 352  **4**
353 353  )))
354 -|(% style="width:110px" %)
355 -(((
351 +|(% style="width:110px" %)(((
356 356  **Value**
357 -)))|(% style="width:71px" %)
358 -(((
353 +)))|(% style="width:71px" %)(((
359 359  [[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
360 -)))|(% style="width:99px" %)(((
355 +)))|(% style="width:99px" %)(((
361 361  [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
362 -)))|(% style="width:132px" %)
363 -(((
357 +)))|(% style="width:132px" %)(((
364 364  BAT Status & [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
365 -)))|(% style="width:54px" %)(((
359 +)))|(% style="width:54px" %)(((
366 366  Status & Ext
367 -)))|(% style="width:64px" %)(((
361 +)))|(% style="width:64px" %)(((
368 368  [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
369 369  )))
370 370  
371 -
372 372  * **Battery status & Built-in Humidity**
373 373  
374 374  (% _mstvisible="1" border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:461px" %)
... ... @@ -386,13 +386,15 @@
386 386  * **Status & Ext Byte**
387 387  
388 388  (% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
389 -|(% 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]**
390 -|(% 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)
382 +|=(% scope="row" 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]**
383 +|=(% 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)
391 391  
392 392  * (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
393 393  * (% style="color:blue" %)**Sync time OK**: (%%) 1: Set time ok,0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
394 394  * (% 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)
395 395  
389 +
390 +
396 396  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
397 397  
398 398  
... ... @@ -441,7 +441,6 @@
441 441  [[image:image-20220628151143-7.png]]
442 442  
443 443  
444 -
445 445  ==== 2.4.6.4 Ext~=2 TMP117 Sensor (Since Firmware v1.3) ====
446 446  
447 447  
... ... @@ -458,7 +458,6 @@
458 458  The external cable NE2 can be use for MOD4 and MOD8
459 459  
460 460  
461 -
462 462  ==== 2.4.6.5 Ext~=4 Interrupt Mode (Since Firmware v1.3) ====
463 463  
464 464  
... ... @@ -505,8 +505,6 @@
505 505  [[image:image-20220906101145-3.png]]
506 506  
507 507  
508 -
509 -
510 510  ==== 2.4.6.6 Ext~=8 Counting Mode(Since Firmware v1.3) ====
511 511  
512 512  
... ... @@ -558,7 +558,6 @@
558 558  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)
559 559  
560 560  
561 -
562 562  == 2.5 Show data on Datacake ==
563 563  
564 564  
... ... @@ -606,7 +606,6 @@
606 606  [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
607 607  
608 608  
609 -
610 610  == 2.6 Datalog Feature ==
611 611  
612 612  
... ... @@ -615,7 +615,6 @@
615 615  )))
616 616  
617 617  
618 -
619 619  === 2.6.1 Ways to get datalog via LoRaWAN ===
620 620  
621 621  
... ... @@ -626,6 +626,7 @@
626 626  
627 627  (% 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.
628 628  
617 +
629 629  (% style="color:red" %)**Note for method 2:**
630 630  
631 631  * a) LHT65N will do an ACK check for data records sending to make sure every data arrive server.
... ... @@ -653,10 +653,10 @@
653 653  
654 654  [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
655 655  
645 +
656 656  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
657 657  
658 658  
659 -
660 660  === 2.6.3 Set Device Time ===
661 661  
662 662  
... ... @@ -680,10 +680,8 @@
680 680  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
681 681  )))
682 682  
683 -(((
684 -
685 -)))
686 686  
673 +
687 687  (((
688 688  **2. Manually Set Time**
689 689  )))
... ... @@ -693,7 +693,6 @@
693 693  )))
694 694  
695 695  
696 -
697 697  === 2.6.4 Poll sensor value ===
698 698  
699 699  
... ... @@ -711,348 +711,83 @@
711 711  Uplink Internal =5s,means LHT65N will send one packet every 5s. range 5~~255s.
712 712  
713 713  
714 -
715 715  === 2.6.5 Datalog Uplink payload ===
716 716  
717 717  
718 -(% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
719 719  The Datalog poll reply uplink will use below payload format.
720 720  
721 -(% _mstvisible="1" %)
722 -(((
723 -(% _mstvisible="2" %)
724 -
705 +**Retrieval data payload:**
725 725  
726 -(% _mstvisible="2" %)
727 -(% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
728 -)))
707 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:480px" %)
708 +|=(% style="width: 60px;" %)(((
709 +**Size(bytes)**
710 +)))|=(% style="width: 90px;" %)**2**|=(% style="width: 90px;" %)**2**|=(% style="width: 70px;" %)**2**|=(% style="width: 100px;" %)**1**|=(% style="width: 70px;" %)**4**
711 +|(% style="width:97px" %)**Value**|(% style="width:123px" %)[[External sensor data>>||anchor="H2.4.6Extvalue"]]|(% style="width:108px" %)[[Built In Temperature>>||anchor="H2.4.3Built-inTemperature"]]|(% style="width:133px" %)[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]|(% style="width:159px" %)Poll message flag & Ext|(% style="width:80px" %)[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
729 729  
730 -(% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
731 -(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
732 -(((
733 -(% _mstvisible="6" %)
734 -(((
735 -(% _mstvisible="7" %)
736 -(% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
737 -)))
738 -)))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
739 -(((
740 -(% _mstvisible="6" %)
741 -(((
742 -(% _mstvisible="7" %)
743 -(% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
744 -)))
745 -)))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
746 -(((
747 -(% _mstvisible="6" %)
748 -(((
749 -(% _mstvisible="7" %)
750 -(% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
751 -)))
752 -)))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
753 -(((
754 -(% _mstvisible="6" %)
755 -(((
756 -(% _mstvisible="7" %)
757 -(% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
758 -)))
759 -)))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
760 -(((
761 -(% _mstvisible="6" %)
762 -(((
763 -(% _mstvisible="7" %)
764 -(% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
765 -)))
766 -)))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
767 -(((
768 -(% _mstvisible="6" %)
769 -(((
770 -(% _mstvisible="7" %)
771 -(% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
772 -)))
773 -)))
774 -(% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
775 -(((
776 -(% _mstvisible="6" %)
777 -(((
778 -(% _mstvisible="7" %)
779 -(% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
780 -)))
781 -)))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
782 -(((
783 -(% _mstvisible="6" %)
784 -(((
785 -(% _mstvisible="7" %)
786 -[[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
787 -)))
788 -)))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
789 -(((
790 -(% _mstvisible="6" %)
791 -(((
792 -(% _mstvisible="7" %)
793 -(((
794 -(% _mstvisible="8" %)
795 -[[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
796 -)))
797 -)))
713 +**Poll message flag & Ext:**
798 798  
799 -(% _mstvisible="6" %)
800 -(((
801 -(% _mstvisible="7" %)
802 -(((
803 -(% _mstvisible="8" %)
804 -[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
805 -)))
806 -)))
807 -)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
808 -(((
809 -(% _mstvisible="6" %)
810 -(((
811 -(% _mstvisible="7" %)
812 -(((
813 -(% _mstvisible="8" %)
814 -[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
815 -)))
816 -)))
817 -
818 -(% _mstvisible="6" %)
819 -(((
820 -(% _mstvisible="7" %)
821 -(((
822 -(% _mstvisible="8" %)
823 -[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
824 -)))
825 -)))
826 -)))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
827 -(((
828 -(% _mstvisible="6" %)
829 -(((
830 -(% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
831 -Poll message flag & Ext
832 -)))
833 -)))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
834 -(((
835 -(% _mstvisible="6" %)
836 -(((
837 -(% _mstvisible="7" %)
838 -(((
839 -(% _mstvisible="8" %)
840 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
841 -)))
842 -)))
843 -
844 -(% _mstvisible="6" %)
845 -(((
846 -(% _mstvisible="7" %)
847 -(((
848 -(% _mstvisible="8" %)
849 -
850 -)))
851 -)))
852 -)))
853 -
854 -(% _mstvisible="1" %)
855 -(% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
856 -
857 -(% _mstvisible="1" %)
858 -(((
859 -(% _mstvisible="2" %)
860 -(((
861 -(% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
862 -(((
863 863  [[image:image-20221006192726-1.png||height="112" width="754"]]
864 864  
865 -(% 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)
717 +(% style="color:blue" %)**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)
866 866  
867 -(% class="mark" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
719 +(% style="color:blue" %)**Poll Message Flag**(%%): 1: This message is a poll message reply.
868 868  
869 -
870 -)))
871 -)))
872 -)))
721 +* Poll Message Flag is set to 1.
873 873  
874 -(% _mstvisible="1" %)
875 -* (% _mstvisible="3" %)
876 -(((
877 -(% _mstvisible="4" %)
878 -(((
879 -(% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
880 -(((
881 -Poll Message Flag is set to 1.
882 -)))
883 -)))
884 -)))
885 -* (% _mstvisible="3" %)
886 -(((
887 -(% _mstvisible="4" %)
888 -(((
889 -(% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
890 -(((
891 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
892 -)))
893 -)))
894 -)))
723 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
895 895  
896 -(% _mstvisible="1" %)
897 -(((
898 -(% _mstvisible="2" %)
899 -(((
900 -(% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
901 -(((
902 -
903 -)))
904 -
905 -(% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
906 -(((
907 907  For example, in US915 band, the max payload for different DR is:
908 -)))
909 -)))
910 -)))
911 911  
912 -(% _mstvisible="1" %)
913 -(((
914 -(% _mstvisible="2" %)
915 -(((
916 -(% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
917 -(((
918 -**a) DR0:** max is 11 bytes so one entry of data
919 -)))
920 -)))
921 -)))
727 +(% style="color:blue" %)**a) DR0:** (%%)max is 11 bytes so one entry of data
922 922  
923 -(% _mstvisible="1" %)
924 -(((
925 -(% _mstvisible="2" %)
926 -(((
927 -(% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
928 -(((
929 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
930 -)))
931 -)))
932 -)))
729 +(% style="color:blue" %)**b) DR1:**(%%) max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
933 933  
934 -(% _mstvisible="1" %)
935 -(((
936 -(% _mstvisible="2" %)
937 -(((
938 -(% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
939 -(((
940 -**c) DR2:** total payload includes 11 entries of data
941 -)))
942 -)))
943 -)))
731 +(% style="color:blue" %)**c) DR2:**(%%) total payload includes 11 entries of data
944 944  
945 -(% _mstvisible="1" %)
946 -(((
947 -(% _mstvisible="2" %)
948 -(((
949 -(% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
950 -(((
951 -**d) DR3: **total payload includes 22 entries of data.
952 -)))
953 -)))
954 -)))
733 +(% style="color:blue" %)**d) DR3: **(%%)total payload includes 22 entries of data.
955 955  
956 -(% _mstvisible="1" %)
957 -(((
958 -(% _mstvisible="2" %)
959 -(((
960 -(% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
961 -(((
962 962  If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
963 -)))
964 -)))
965 -)))
966 966  
967 967  
968 -(% _mstvisible="1" style="text-align: left;" %)
969 -(% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
738 +**Example:**
970 970  
971 -(% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
972 972  If LHT65N has below data inside Flash:
973 973  
974 -(% _mstvisible="1" %)
975 975  [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
976 976  
977 -(% _mstvisible="1" %)
978 -(((
979 -(% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
980 -If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
981 -)))
982 982  
983 -(% _mstvisible="1" %)
984 -(((
985 -(% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
986 - Where : Start time: 60065F97 = time 21/1/19 04:27:03
987 -)))
745 +If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
988 988  
989 -(% _mstvisible="1" %)
990 -(((
991 -(% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
992 - Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
993 -)))
747 +Where : Start time: 60065F97 = time 21/1/19 04:27:03
994 994  
995 -(% _mstvisible="1" %)
996 -(((
997 -(% _mstvisible="2" %)
998 -
999 -)))
749 + Stop time: 60066DA7= time 21/1/19 05:27:03
1000 1000  
1001 -(% _mstvisible="1" %)
1002 -(((
1003 -(% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1004 -LHT65N will uplink this payload.
1005 -)))
1006 1006  
1007 -(% _mstvisible="1" %)
752 +**LHT65N will uplink this payload.**
753 +
1008 1008  [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1009 1009  
1010 1010  
1011 -(% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1012 -(((
1013 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1014 -)))
757 +__**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1015 1015  
1016 -(% _msthash="315237" _msttexthash="1385839" %)
1017 -(((
1018 1018  Where the first 11 bytes is for the first entry:
1019 -)))
1020 1020  
1021 -(% _msthash="315238" _msttexthash="274846" %)
1022 -(((
1023 1023  7FFF089801464160065F97
1024 -)))
1025 1025  
1026 -(% _msthash="315239" _msttexthash="617435" %)
1027 -(((
1028 1028  Ext sensor data=0x7FFF/100=327.67
1029 -)))
1030 1030  
1031 -(% _msthash="315240" _msttexthash="270543" %)
1032 -(((
1033 -Temp=0x0898/100=22.00
1034 -)))
765 +Temp=0x088E/100=22.00
1035 1035  
1036 -(% _msthash="315241" _msttexthash="211783" %)
1037 -(((
1038 -Hum=0x0146/10=32.6
1039 -)))
767 +Hum=0x014B/10=32.6
1040 1040  
1041 -(% _msthash="315242" _msttexthash="1569776" %)
1042 -(((
1043 1043  poll message flag & Ext=0x41,means reply data,Ext=1
1044 -)))
1045 1045  
1046 -(% _msthash="315243" _msttexthash="1120509" %)
1047 -(((
1048 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1049 -)))
771 +Unix time is 0x60066009=1611030423s=21/1/19 04:27:03
1050 1050  
1051 1051  
774 +== 2.7 Alarm Mode & Feature "Multi sampling, one uplink" ==
1052 1052  
1053 -== 2.7 Alarm Mode ==
1054 1054  
1055 -
1056 1056  (((
1057 1057  when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
1058 1058  )))
... ... @@ -1061,14 +1061,15 @@
1061 1061  (% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
1062 1062  
1063 1063  
1064 -
1065 1065  === 2.7.1 ALARM MODE ( Since v1.3.1 firmware) ===
1066 1066  
1067 1067  
788 +**Internal GXHT30 temperature alarm(Acquisition time: fixed at one minute)**
789 +
1068 1068  (((
1069 1069  (% class="box infomessage" %)
1070 1070  (((
1071 -**AT+WMOD=3,**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
793 +**AT+WMOD=3**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled Temperature Alarm for onboard temperature sensor)
1072 1072  
1073 1073  **AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
1074 1074  
... ... @@ -1082,15 +1082,120 @@
1082 1082  )))
1083 1083  )))
1084 1084  
807 +(% style="color:#4f81bd" %)**Downlink Command:**
1085 1085  
1086 -
809 +AT+WMOD=1:  A501  ,  AT+WMOD=0 :  A600
810 +
811 +AT+CITEMP=1 : A60001
812 +
813 +AT+ARTEMP=1,60  :  A70001003C
814 +
815 +AT+ARTEMP=-16,60 :  A7FFF0003C
816 +
817 +AT+LEDALARM=1  :  3601
818 +
819 +
820 +(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
821 +
822 +Total bytes: 8 bytes
823 +
824 +**Example: **AA0100010001003C
825 +
826 +WMOD=01
827 +
828 +CITEMP=0001
829 +
830 +TEMPlow=0001
831 +
832 +TEMPhigh=003C
833 +
834 +
835 +**DS18B20 and TMP117 Threshold Alarm**
836 +
837 +**~ AT+WMOD=1,60,-10,20**
838 +
839 +(% style="color:#4f81bd" %)**Downlink Command:**
840 +
841 +**Example: **A5013CFC180014
842 +
843 +MOD=01
844 +
845 +CITEMP=3C(S)
846 +
847 +TEMPlow=FC18
848 +
849 +TEMPhigh=0014
850 +
851 +
852 +**Fluctuation alarm for DS18B20 and TMP117(Acquisition time: minimum 1s)**
853 +
854 +**AT+WMOD=2,60,5** 
855 +
856 +(% style="color:#4f81bd" %)**Downlink Command:**
857 +
858 +**Example: **A5023C05
859 +
860 +MOD=02
861 +
862 +CITEMP=3C(S)
863 +
864 +temperature fluctuation=05
865 +
866 +
867 +==== **Sampling multiple times and uplink together** ====
868 +
869 +**AT+WMOD=3,1,60,20,-16,32,1**   
870 +
871 +Explain:
872 +
873 +* Set Working Mode to **Mode 3**
874 +* Sampling Interval is **60**s.
875 +* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
876 +* Temperature alarm range is **-16** to **32**°C,
877 +* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
878 +
879 +(% style="color:#4f81bd" %)**Downlink Command:**
880 +
881 +**Example: **A50301003C14FFF0002001
882 +
883 +MOD=03
884 +
885 +EXT=01
886 +
887 +CITEMP=003C(S)
888 +
889 +Total number of acquisitions=14
890 +
891 +TEMPlow=FFF0
892 +
893 +TEMPhigh=0020
894 +
895 +ARTEMP=01
896 +
897 +
898 +**Uplink payload( Fport=3)**
899 +
900 +**Example: CBEA**01**0992**//0A41//**09C4**
901 +
902 +BatV=CBEA
903 +
904 +EXT=01
905 +
906 +Temp1=0992  ~/~/ 24.50℃
907 +
908 +Temp2=0A41  ~/~/ 26.25℃
909 +
910 +Temp3=09C4  ~/~/ 25.00℃
911 +
912 +
913 +(% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
914 +
915 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
1087 1087  )))
1088 1088  
1089 -(((
918 +
1090 1090  === 2.7.2 ALARM MODE ( Before v1.3.1 firmware) ===
1091 1091  
1092 -
1093 -)))
1094 1094  
1095 1095  (% _mstvisible="1" class="box infomessage" %)
1096 1096  (((
... ... @@ -1130,7 +1130,6 @@
1130 1130  TEMPhigh=003C
1131 1131  
1132 1132  
1133 -
1134 1134  == 2.8 LED Indicator ==
1135 1135  
1136 1136  
... ... @@ -1145,6 +1145,8 @@
1145 1145  * RED LED when external sensor is not connected
1146 1146  * For each success downlink, the PURPLE LED will blink once
1147 1147  
974 +
975 +
1148 1148  == 2.9 installation ==
1149 1149  
1150 1150  
... ... @@ -1152,10 +1152,8 @@
1152 1152  [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1153 1153  
1154 1154  
1155 -
1156 1156  = 3. Sensors and Accessories =
1157 1157  
1158 -
1159 1159  == 3.1 E2 Extension Cable ==
1160 1160  
1161 1161  
... ... @@ -1186,8 +1186,6 @@
1186 1186  [[image:image-20220619092421-3.png||height="371" width="529"]]
1187 1187  
1188 1188  
1189 -
1190 -
1191 1191  == 3.2 E3 Temperature Probe ==
1192 1192  
1193 1193  
... ... @@ -1202,6 +1202,8 @@
1202 1202  * Operating Range: -40 ~~ 125 °C
1203 1203  * Working voltage 2.35v ~~ 5v
1204 1204  
1029 +
1030 +
1205 1205  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1206 1206  
1207 1207  
... ... @@ -1249,7 +1249,6 @@
1249 1249  )))
1250 1250  
1251 1251  
1252 -
1253 1253  == 4.1 Set Transmit Interval Time ==
1254 1254  
1255 1255  
... ... @@ -1271,6 +1271,8 @@
1271 1271  
1272 1272  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1273 1273  
1099 +
1100 +
1274 1274  == 4.2 Set External Sensor Mode ==
1275 1275  
1276 1276  
... ... @@ -1294,6 +1294,8 @@
1294 1294  
1295 1295  * 0xA20702003c: Same as AT+SETCNT=60
1296 1296  
1124 +
1125 +
1297 1297  == 4.3 Enable/Disable uplink Temperature probe ID ==
1298 1298  
1299 1299  
... ... @@ -1324,6 +1324,8 @@
1324 1324  * **0xA800**  **~-~->** AT+PID=0
1325 1325  * **0xA801**     **~-~->** AT+PID=1
1326 1326  
1156 +
1157 +
1327 1327  == 4.4 Set Password ==
1328 1328  
1329 1329  
... ... @@ -1340,7 +1340,6 @@
1340 1340  No downlink command for this feature.
1341 1341  
1342 1342  
1343 -
1344 1344  == 4.5 Quit AT Command ==
1345 1345  
1346 1346  
... ... @@ -1357,7 +1357,6 @@
1357 1357  No downlink command for this feature.
1358 1358  
1359 1359  
1360 -
1361 1361  == 4.6 Set to sleep mode ==
1362 1362  
1363 1363  
... ... @@ -1375,6 +1375,8 @@
1375 1375  
1376 1376  * There is no downlink command to set to Sleep mode.
1377 1377  
1207 +
1208 +
1378 1378  == 4.7 Set system time ==
1379 1379  
1380 1380  
... ... @@ -1391,7 +1391,6 @@
1391 1391  0x306007806000  ~/~/  Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1392 1392  
1393 1393  
1394 -
1395 1395  == 4.8 Set Time Sync Mode ==
1396 1396  
1397 1397  
... ... @@ -1416,7 +1416,6 @@
1416 1416  0x28 00  ~/~/  Same As AT+SYNCMOD=0
1417 1417  
1418 1418  
1419 -
1420 1420  == 4.9 Set Time Sync Interval ==
1421 1421  
1422 1422  
... ... @@ -1433,7 +1433,6 @@
1433 1433  **0x29 0A**  ~/~/ Same as AT+SYNCTDC=0x0A
1434 1434  
1435 1435  
1436 -
1437 1437  == 4.10 Print data entries base on page. ==
1438 1438  
1439 1439  
... ... @@ -1450,7 +1450,6 @@
1450 1450  No downlink commands for feature
1451 1451  
1452 1452  
1453 -
1454 1454  == 4.11 Print last few data entries. ==
1455 1455  
1456 1456  
... ... @@ -1467,7 +1467,6 @@
1467 1467  No downlink commands for feature
1468 1468  
1469 1469  
1470 -
1471 1471  == 4.12 Clear Flash Record ==
1472 1472  
1473 1473  
... ... @@ -1483,34 +1483,36 @@
1483 1483  
1484 1484  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1485 1485  
1312 +
1313 +
1486 1486  == 4.13 Auto Send None-ACK messages ==
1487 1487  
1488 1488  
1489 -(% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1490 1490  Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
1491 1491  
1492 1492  
1493 1493  (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1494 1494  
1495 -(% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1496 1496  The default factory setting is 0
1497 1497  
1498 -(% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1499 -(% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|=(% _mstvisible="4" style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|=(% _mstvisible="4" style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1500 -(% _mstvisible="3" %)|(% _msthash="1231321" _msttexthash="130455" _mstvisible="4" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" _mstvisible="4" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" _mstvisible="4" style="width:119px" %)OK
1324 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:367px" %)
1325 +|=(% style="width: 158px;" %)**Command Example**|=(% style="width: 118px;" %)**Function**|=(% style="width: 87px;" %)**Response**
1326 +|(% style="width:158px" %)AT+PNACKMD=1|(% style="width:118px" %)Poll None-ACK message|(% style="width:87px" %)OK
1501 1501  
1502 1502  (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1503 1503  
1504 1504  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1505 1505  
1506 -== 4.14 Modified ATWOOD command for external sensor TMP117 or DS18B20 temperature alarm ==
1507 1507  
1508 1508  
1334 +== 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm(Since firmware 1.3.0) ==
1335 +
1336 +
1509 1509  Feature: Set internal and external temperature sensor alarms.
1510 1510  
1511 -(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1512 -|(%%)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|(%%)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|(%%)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1513 -|(%%)(% style="color:#037691" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|Set internal and external temperature sensor alarms|OK
1339 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:500px" %)
1340 +|=(% style="width: 250px;" %)**Command Example**|=(% style="width: 200px;" %)**Function**|=(% style="width: 50px;" %)**Response**
1341 +|(% style="width:268px" %)AT+WMOD=parameter1,parameter2,parameter3,parameter4|(% style="width:255px" %)Set internal and external temperature sensor alarms|(% style="width:181px" %)OK
1514 1514  
1515 1515  (% style="color:#037691" %)**AT+WMOD=parameter1,parameter2,parameter3,parameter4**
1516 1516  
... ... @@ -1548,39 +1548,32 @@
1548 1548  
1549 1549  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 )
1550 1550  
1379 +0XA5 01 0A F9 C0 29 04 ~-~-AT+WMOD=1,10,-16,105(Need to convert -16 to -1600 for calculation,-1600(DEC)=FFFFFFFFFFFFF9C0(HEX)  FFFFFFFFFFFFF9C0(HEX) +10000(HEX)=F9C0(HEX))
1380 +
1551 1551  0xA5 02 0A 02 ~-~- AT+WMOD=2,10,2  (AT+WMOD = second byte, third byte, fourth byte)
1552 1552  
1553 1553  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.
1554 1554  
1555 1555  
1556 -
1557 1557  = 5. Battery & How to replace =
1558 1558  
1559 -
1560 1560  == 5.1 Battery Type ==
1561 1561  
1562 1562  
1563 1563  (((
1564 -(((
1565 1565  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1566 1566  )))
1567 -)))
1568 1568  
1569 1569  (((
1570 -
1571 -)))
1572 -
1573 -(((
1574 -(((
1575 1575  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
1397 +
1398 +
1576 1576  [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1577 1577  )))
1578 -)))
1579 1579  
1580 1580  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1581 1581  
1582 1582  
1583 -
1584 1584  == 5.2 Replace Battery ==
1585 1585  
1586 1586  
... ... @@ -1597,9 +1597,6 @@
1597 1597  [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
1598 1598  )))
1599 1599  
1600 -(((
1601 -
1602 -)))
1603 1603  
1604 1604  (((
1605 1605  A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
... ... @@ -1606,10 +1606,8 @@
1606 1606  )))
1607 1607  
1608 1608  
1609 -
1610 1610  = 6. FAQ =
1611 1611  
1612 -
1613 1613  == 6.1 How to use AT Command? ==
1614 1614  
1615 1615  
... ... @@ -1830,7 +1830,6 @@
1830 1830  AT+PID:  Get or set the PID
1831 1831  
1832 1832  
1833 -
1834 1834  == 6.2 Where to use AT commands and Downlink commands ==
1835 1835  
1836 1836  
... ... @@ -1870,7 +1870,6 @@
1870 1870  [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1871 1871  
1872 1872  
1873 -
1874 1874  == 6.3 How to change the uplink interval? ==
1875 1875  
1876 1876  
... ... @@ -1877,7 +1877,6 @@
1877 1877  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018" style="background-color: rgb(255, 255, 255);"]]
1878 1878  
1879 1879  
1880 -
1881 1881  == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1882 1882  
1883 1883  
... ... @@ -1896,7 +1896,6 @@
1896 1896  [[image:image-20220615154519-3.png||height="672" width="807"]]
1897 1897  
1898 1898  
1899 -
1900 1900  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1901 1901  
1902 1902  
... ... @@ -1939,7 +1939,6 @@
1939 1939  Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1940 1940  
1941 1941  
1942 -
1943 1943  == 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1944 1944  
1945 1945  
... ... @@ -1959,7 +1959,6 @@
1959 1959  [[image:image-20220615154519-3.png||height="672" width="807"]]
1960 1960  
1961 1961  
1962 -
1963 1963  == 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
1964 1964  
1965 1965  
... ... @@ -1981,7 +1981,7 @@
1981 1981  [[image:image-20220623113959-5.png||height="528" width="397"]]
1982 1982  
1983 1983  (% _msthash="506146" _msttexthash="52173160" %)
1984 -Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1794 +Connect A8 and GND with Dupont wire for a while and then separate,enter reset mode
1985 1985  
1986 1986  
1987 1987  
... ... @@ -1998,10 +1998,9 @@
1998 1998  [[image:image-20220620160723-8.png]]
1999 1999  
2000 2000  
2001 -Finally,restart reset device again
1811 +Finally,Disconnect 3.3v,Connect A8 and GND with Dupont wire for a while and then separate,exit reset mode
2002 2002  
2003 2003  
2004 -
2005 2005  = 7. Order Info =
2006 2006  
2007 2007  
... ... @@ -2022,6 +2022,8 @@
2022 2022  
2023 2023  * (% style="color:red" %)**E3**(%%): External Temperature Probe
2024 2024  
1834 +
1835 +
2025 2025  = 8. Packing Info =
2026 2026  
2027 2027  
... ... @@ -2032,14 +2032,18 @@
2032 2032  
2033 2033  **Dimension and weight**:
2034 2034  
2035 -* Device Size:  10 x 10 x 3.5 cm
1846 +* Device Size:  10 x 10 x 3.5 mm
2036 2036  * Device Weight: 120.5g
2037 2037  
1849 +
1850 +
2038 2038  = 9. Reference material =
2039 2039  
2040 2040  
2041 2041  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2042 2042  
1856 +
1857 +
2043 2043  = 10. FCC Warning =
2044 2044  
2045 2045