Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN

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1	1	(% style="text-align:center" %)
2		-[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
	2	+[[image:image-20220613162008-1.png||_mstalt="428142" height="510" width="334"]]
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46	46
47	47	== 1.2 Features ==
48	48
	49	+
49	49	* Wall mountable
50	50	* LoRaWAN v1.0.3 Class A protocol
51	51	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
...	...	@@ -60,7 +60,6 @@
60	60
61	61
62	62
63		-
64	64	== 1.3 Specification ==
65	65
66	66
...	...	@@ -71,6 +71,8 @@
71	71	* Long Term Drift: < 0.02 °C/yr
72	72	* Operating Range: -40 ~~ 85 °C
73	73
	74	+
	75	+
74	74	**Built-in Humidity Sensor:**
75	75
76	76	* Resolution: 0.04 %RH
...	...	@@ -78,6 +78,8 @@
78	78	* Long Term Drift: < 0.02 °C/yr
79	79	* Operating Range: 0 ~~ 96 %RH
80	80
	83	+
	84	+
81	81	**External Temperature Sensor:**
82	82
83	83	* Resolution: 0.0625 °C
...	...	@@ -85,23 +85,40 @@
85	85	* ±2°C accuracy from -55°C to +125°C
86	86	* Operating Range: -55 °C ~~ 125 °C
87	87
	92	+
	93	+
88	88	= 2. Connect LHT65N to IoT Server =
89	89
90	90	== 2.1 How does LHT65N work? ==
91	91
	98	+
	99	+(((
92	92	LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
	101	+)))
93	93
	103	+(((
94	94	If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
	105	+)))
95	95
96	96
	108	+
97	97	== 2.2 How to Activate LHT65N? ==
98	98
	111	+
	112	+(((
99	99	The LHT65N has two working modes:
	114	+)))
100	100
101		-* (% 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.
102		-* (% 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.
	116	+* (((
	117	+(% 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.
	118	+)))
	119	+* (((
	120	+(% 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.
	121	+)))
103	103
	123	+(((
104	104	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
	125	+)))
105	105
106	106
107	107	[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
...	...	@@ -112,6 +112,7 @@
112	112
113	113	== 2.3 Example to join LoRaWAN network ==
114	114
	136	+
115	115	(% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
116	116	This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
117	117
...	...	@@ -127,6 +127,7 @@
127	127
128	128	=== 2.3.1 Step 1: Create Device n TTN ===
129	129
	152	+
130	130	(((
131	131	Create a device in TTN V3 with the OTAA keys from LHT65N.
132	132	)))
...	...	@@ -151,9 +151,10 @@
151	151	[[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
152	152
153	153
154		-Note: LHT65N use same payload as LHT65.
155	155
	178	+(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
156	156
	180	+
157	157	[[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
158	158
159	159
...	...	@@ -167,6 +167,7 @@
167	167
168	168	=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
169	169
	194	+
170	170	(((
171	171	Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
172	172	)))
...	...	@@ -178,6 +178,7 @@
178	178
179	179	== 2.4 Uplink Payload ==
180	180
	206	+
181	181	(((
182	182	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.
183	183	)))
...	...	@@ -252,12 +252,13 @@
252	252
253	253	* The First 6 bytes: has fix meanings for every LHT65N.
254	254	* The 7th byte (EXT #): defines the external sensor model.
255		-* 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.)
	281	+* 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.)
256	256
257	257
258	258
259	259	=== 2.4.1 Decoder in TTN V3 ===
260	260
	287	+
261	261	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.
262	262
263	263	Below is the position to put the decoder and LHT65N decoder can be download from here:
...	...	@@ -273,6 +273,7 @@
273	273
274	274	=== 2.4.2 BAT-Battery Info ===
275	275
	303	+
276	276	These two bytes of BAT include the battery state and the actually voltage
277	277
278	278	[[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
...	...	@@ -287,8 +287,10 @@
287	287	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
288	288
289	289
	318	+
290	290	=== 2.4.3 Built-in Temperature ===
291	291
	321	+
292	292	[[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
293	293
294	294	* Temperature:  0x0ABB/100=27.47℃
...	...	@@ -297,14 +297,20 @@
297	297
298	298	* Temperature:  (0xF5C6-65536)/100=-26.18℃
299	299
	330	+
	331	+
300	300	=== 2.4.4 Built-in Humidity ===
301	301
	334	+
302	302	[[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
303	303
304	304	* Humidity:    0x025C/10=60.4%
305	305
	339	+
	340	+
306	306	=== 2.4.5 Ext # ===
307	307
	343	+
308	308	Bytes for External Sensor:
309	309
310	310	[[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
...	...	@@ -336,6 +336,7 @@
336	336
337	337	==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
338	338
	375	+
339	339	(((
340	340	Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
341	341	)))
...	...	@@ -449,15 +449,19 @@
449	449
450	450	* (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
451	451
452		-[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
	489	+(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
	490	+|(% 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]**
	491	+|(% 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)
453	453
454		-* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
455		-* 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.
456		-* 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)
	493	+* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
	494	+* (% 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.
	495	+* (% 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)
457	457
458	458
	498	+
459	459	==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
460	460
	501	+
461	461	In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
462	462
463	463	be used to power the external ADC sensor; user can control the power on time for this
...	...	@@ -466,10 +466,46 @@
466	466
467	467	AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
468	468
	510	+For example:
469	469
	512	+AT+EXT=6,1000 will power this sensor for 1000ms before sampling the ADC value.
470	470
	514	+
	515	+Or use **downlink command A2** to set the same.
	516	+
	517	+The measuring range of the node is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
	518	+
	519	+When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
	520	+
	521	+[[image:image-20220628150112-1.png||height="241" width="285"]]
	522	+
	523	+
	524	+When ADC_IN1 pin is connected to GND or suspended, ADC value is 0
	525	+
	526	+[[image:image-20220628150714-4.png]]
	527	+
	528	+
	529	+When the voltage collected by ADC_IN1 is less than the minimum range, the minimum range will be used as the output; Similarly, when the collected voltage is greater than the maximum range, the maximum range will be used as the output.
	530	+
	531	+1) The minimum range is about 0.1V. Each chip has internal calibration, so this value is close to 0.1V
	532	+
	533	+[[image:image-20220628151005-5.png]]
	534	+
	535	+
	536	+2) The maximum range is about 1.1V. Each chip has internal calibration, so this value is close to 1.1v
	537	+
	538	+[[image:image-20220628151056-6.png]]
	539	+
	540	+
	541	+3) Within range
	542	+
	543	+[[image:image-20220628151143-7.png]]
	544	+
	545	+
	546	+
471	471	== 2.5 Show data on Datacake ==
472	472
	549	+
473	473	(((
474	474	Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
475	475	)))
...	...	@@ -517,6 +517,7 @@
517	517
518	518	== 2.6 Datalog Feature ==
519	519
	597	+
520	520	(((
521	521	Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
522	522	)))
...	...	@@ -525,13 +525,17 @@
525	525
526	526	=== 2.6.1 Ways to get datalog via LoRaWAN ===
527	527
	606	+
528	528	There are two methods:
529	529
530		-1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
531		-1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
	609	+1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
	610	+1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after the network recovery.
532	532
	612	+Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
533	533
	614	+[[image:image-20220703111700-2.png||height="381" width="1119"]]
534	534
	616	+
535	535	=== 2.6.2 Unix TimeStamp ===
536	536
537	537
...	...	@@ -554,25 +554,44 @@
554	554
555	555	=== 2.6.3 Set Device Time ===
556	556
	639	+
	640	+(((
557	557	There are two ways to set device's time:
	642	+)))
558	558
	644	+(((
559	559	**~1. Through LoRaWAN MAC Command (Default settings)**
	646	+)))
560	560
	648	+(((
561	561	User need to set SYNCMOD=1 to enable sync time via MAC command.
	650	+)))
562	562
	652	+(((
563	563	Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
	654	+)))
564	564
565		-(% 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.
	656	+(((
	657	+(% 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.**
	658	+)))
566	566
	660	+(((
	661	+
	662	+)))
567	567
	664	+(((
568	568	**2. Manually Set Time**
	666	+)))
569	569
	668	+(((
570	570	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
	670	+)))
571	571
572	572
573	573
574	574	=== 2.6.4 Poll sensor value ===
575	575
	676	+
576	576	User can poll sensor value based on timestamps from the server. Below is the downlink command.
577	577
578	578	[[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
...	...	@@ -590,6 +590,7 @@
590	590
591	591	=== 2.6.5 Datalog Uplink payload ===
592	592
	694	+
593	593	(% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
594	594	The Datalog poll reply uplink will use below payload format.
595	595
...	...	@@ -596,6 +596,9 @@
596	596	(% _mstvisible="1" %)
597	597	(((
598	598	(% _mstvisible="2" %)
	701	+
	702	+
	703	+(% _mstvisible="2" %)
599	599	(% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
600	600	)))
601	601
...	...	@@ -723,6 +723,7 @@
723	723	)))
724	724	)))
725	725
	831	+
726	726	(% _mstvisible="1" %)
727	727	(% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
728	728
...	...	@@ -734,9 +734,11 @@
734	734	(% _mstvisible="2" %)
735	735	(((
736	736	(% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
	843	+(((
737	737	Poll Message Flag: 1: This message is a poll message reply.
738	738	)))
739	739	)))
	847	+)))
740	740
741	741	(% _mstvisible="1" %)
742	742	* (% _mstvisible="3" %)
...	...	@@ -744,17 +744,21 @@
744	744	(% _mstvisible="4" %)
745	745	(((
746	746	(% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
	855	+(((
747	747	Poll Message Flag is set to 1.
748	748	)))
749	749	)))
	859	+)))
750	750	* (% _mstvisible="3" %)
751	751	(((
752	752	(% _mstvisible="4" %)
753	753	(((
754	754	(% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
	865	+(((
755	755	Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
756	756	)))
757	757	)))
	869	+)))
758	758
759	759	(% _mstvisible="1" %)
760	760	(((
...	...	@@ -761,12 +761,16 @@
761	761	(% _mstvisible="2" %)
762	762	(((
763	763	(% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
	876	+(((
764	764
	878	+)))
765	765
766	766	(% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
	881	+(((
767	767	For example, in US915 band, the max payload for different DR is:
768	768	)))
769	769	)))
	885	+)))
770	770
771	771	(% _mstvisible="1" %)
772	772	(((
...	...	@@ -773,9 +773,11 @@
773	773	(% _mstvisible="2" %)
774	774	(((
775	775	(% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
	892	+(((
776	776	a) DR0: max is 11 bytes so one entry of data
777	777	)))
778	778	)))
	896	+)))
779	779
780	780	(% _mstvisible="1" %)
781	781	(((
...	...	@@ -782,9 +782,11 @@
782	782	(% _mstvisible="2" %)
783	783	(((
784	784	(% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
	903	+(((
785	785	b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
786	786	)))
787	787	)))
	907	+)))
788	788
789	789	(% _mstvisible="1" %)
790	790	(((
...	...	@@ -791,9 +791,11 @@
791	791	(% _mstvisible="2" %)
792	792	(((
793	793	(% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
	914	+(((
794	794	c) DR2: total payload includes 11 entries of data
795	795	)))
796	796	)))
	918	+)))
797	797
798	798	(% _mstvisible="1" %)
799	799	(((
...	...	@@ -800,9 +800,11 @@
800	800	(% _mstvisible="2" %)
801	801	(((
802	802	(% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
	925	+(((
803	803	d) DR3: total payload includes 22 entries of data.
804	804	)))
805	805	)))
	929	+)))
806	806
807	807	(% _mstvisible="1" %)
808	808	(((
...	...	@@ -809,9 +809,11 @@
809	809	(% _mstvisible="2" %)
810	810	(((
811	811	(% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
	936	+(((
812	812	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
813	813	)))
814	814	)))
	940	+)))
815	815
816	816
817	817	(% _mstvisible="1" style="text-align: left;" %)
...	...	@@ -838,7 +838,7 @@
838	838	(% _mstvisible="1" %)
839	839	(((
840	840	(% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
841		- Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
	967	+ Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
842	842	)))
843	843
844	844	(% _mstvisible="1" %)
...	...	@@ -857,57 +857,106 @@
857	857	[[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
858	858
859	859	(% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
	986	+(((
860	860	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
	988	+)))
861	861
862	862	(% _msthash="315237" _msttexthash="1385839" %)
	991	+(((
863	863	Where the first 11 bytes is for the first entry:
	993	+)))
864	864
865	865	(% _msthash="315238" _msttexthash="274846" %)
	996	+(((
866	866	7FFF089801464160065F97
	998	+)))
867	867
868	868	(% _msthash="315239" _msttexthash="617435" %)
	1001	+(((
869	869	Ext sensor data=0x7FFF/100=327.67
	1003	+)))
870	870
871	871	(% _msthash="315240" _msttexthash="270543" %)
	1006	+(((
872	872	Temp=0x0898/100=22.00
	1008	+)))
873	873
874	874	(% _msthash="315241" _msttexthash="211783" %)
	1011	+(((
875	875	Hum=0x0146/10=32.6
	1013	+)))
876	876
877	877	(% _msthash="315242" _msttexthash="1569776" %)
	1016	+(((
878	878	poll message flag & Ext=0x41,means reply data,Ext=1
	1018	+)))
879	879
880	880	(% _msthash="315243" _msttexthash="1120509" %)
	1021	+(((
881	881	Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
	1023	+)))
882	882
883	883
884	884
885	885	== 2.7 Alarm Mode ==
886	886
	1029	+
	1030	+(((
887	887	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.
	1032	+)))
888	888
889		-(% style="color:red" %)Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
	1034	+(((
	1035	+(% style="color:red" %)**Note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.**
890	890
	1037	+
	1038	+)))
	1039	+
	1040	+(((
891	891	**AT COMMAND FOR ALARM MODE:**
	1042	+)))
892	892
893	893	(% _mstvisible="1" class="box infomessage" %)
894	894	(((
	1046	+(((
895	895	**AT+WMOD=1**:  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
	1048	+)))
896	896
	1050	+(((
897	897	**AT+CITEMP=1**:  The interval between checking the alarm temperature. (In minutes)
	1052	+)))
898	898
	1054	+(((
899	899	**AT+ARTEMP**:  Gets or sets the alarm range of the internal temperature sensor
	1056	+)))
900	900
	1058	+(((
901	901	**AT+ARTEMP=？ **:  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
	1060	+)))
902	902
	1062	+(((
903	903	**AT+ARTEMP=45,105**:  Set the internal temperature sensor alarm range from 45 to 105.
904	904	)))
	1065	+)))
905	905
	1067	+(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
906	906
	1069	+Total bytes: 8 bytes
907	907
	1071	+**Example:**AA0100010001003C
908	908
	1073	+WMOD=01
	1074	+
	1075	+CITEMP=0001
	1076	+
	1077	+TEMPlow=0001
	1078	+
	1079	+TEMPhigh=003C
	1080	+
	1081	+
	1082	+
909	909	== 2.8 LED Indicator ==
910	910
	1085	+
911	911	The LHT65 has a triple color LED which for easy showing different stage .
912	912
913	913	While user press ACT button, the LED will work as per LED status with ACT button.
...	...	@@ -915,7 +915,7 @@
915	915	In a normal working state:
916	916
917	917	* For each uplink, the BLUE LED or RED LED will blink once.
918		- BLUE LED when external sensor is connected.
	1093	+BLUE LED when external sensor is connected.
919	919	* RED LED when external sensor is not connected
920	920	* For each success downlink, the PURPLE LED will blink once
921	921
...	...	@@ -923,6 +923,7 @@
923	923
924	924	== 2.9 installation ==
925	925
	1101	+
926	926	(% _mstvisible="1" %)
927	927	[[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
928	928
...	...	@@ -932,10 +932,31 @@
932	932
933	933	== 3.1 E2 Extension Cable ==
934	934
	1111	+
935	935	[[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
936	936
937		-1m long breakout cable for LHT65N
938	938
	1115	+**1m long breakout cable for LHT65N. Features:**
	1116	+
	1117	+* (((
	1118	+Use for AT Command， works for both LHT52/LHT65N
	1119	+)))
	1120	+* (((
	1121	+Update firmware for LHT65N, works for both LHT52/LHT65N
	1122	+)))
	1123	+* (((
	1124	+Supports ADC mode to monitor external ADC
	1125	+)))
	1126	+* (((
	1127	+Supports Interrupt mode
	1128	+)))
	1129	+* (((
	1130	+Exposed All pins from the LHT65N Type-C connector.
	1131	+
	1132	+
	1133	+
	1134	+)))
	1135	+
939	939	[[image:image-20220619092421-3.png||height="371" width="529"]]
940	940
941	941
...	...	@@ -959,32 +959,58 @@
959	959
960	960	= 4. Configure LHT65N via AT command or LoRaWAN downlink =
961	961
	1159	+
	1160	+(((
962	962	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	1162	+)))
963	963
964		-* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
	1164	+* (((
	1165	+AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
	1166	+)))
965	965
966		-* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
	1168	+* (((
	1169	+LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
	1170	+)))
967	967
	1172	+(((
968	968	There are two kinds of commands to configure LHT65N, they are:
	1174	+)))
969	969
970		-* (% style="color:#4f81bd" %)**General Commands**.
	1176	+* (((
	1177	+(% style="color:#4f81bd" %)**General Commands**.
	1178	+)))
971	971
	1180	+(((
972	972	These commands are to configure:
	1182	+)))
973	973
974		-1. General system settings like: uplink interval.
975		-1. LoRaWAN protocol & radio-related commands.
	1184	+1. (((
	1185	+General system settings like: uplink interval.
	1186	+)))
	1187	+1. (((
	1188	+LoRaWAN protocol & radio-related commands.
	1189	+)))
976	976
	1191	+(((
977	977	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	1193	+)))
978	978
979		-* (% style="color:#4f81bd" %)**Commands special design for LHT65N**
	1195	+* (((
	1196	+(% style="color:#4f81bd" %)**Commands special design for LHT65N**
	1197	+)))
980	980
	1199	+(((
981	981	These commands are only valid for LHT65N, as below:
	1201	+)))
982	982
983	983
	1204	+
984	984	== 4.1 Set Transmit Interval Time ==
985	985
	1207	+
986	986	Feature: Change LoRaWAN End Node Transmit Interval.
987	987
	1210	+
988	988	(% style="color:#4f81bd" %)**AT Command: AT+TDC**
989	989
990	990	[[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
...	...	@@ -1000,10 +1000,14 @@
1000	1000
1001	1001	* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1002	1002
	1226	+
	1227	+
1003	1003	== 4.2 Set External Sensor Mode ==
1004	1004
	1230	+
1005	1005	Feature: Change External Sensor Mode.
1006	1006
	1233	+
1007	1007	(% style="color:#4f81bd" %)**AT Command: AT+EXT**
1008	1008
1009	1009	[[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
...	...	@@ -1022,8 +1022,10 @@
1022	1022	* 0xA20702003c: Same as AT+SETCNT=60
1023	1023
1024	1024
	1252	+
1025	1025	== 4.3 Enable/Disable uplink Temperature probe ID ==
1026	1026
	1255	+
1027	1027	(((
1028	1028	Feature: If PID is enabled, device will send the temperature probe ID on:
1029	1029	)))
...	...	@@ -1037,6 +1037,8 @@
1037	1037
1038	1038	(((
1039	1039	PID is default set to disable (0)
	1269	+
	1270	+
1040	1040	)))
1041	1041
1042	1042	(% style="color:#4f81bd" %)**AT Command:**
...	...	@@ -1050,10 +1050,13 @@
1050	1050	* **0xA801**     **~-~->** AT+PID=1
1051	1051
1052	1052
	1284	+
1053	1053	== 4.4 Set Password ==
1054	1054
	1287	+
1055	1055	Feature: Set device password, max 9 digits
1056	1056
	1290	+
1057	1057	(% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1058	1058
1059	1059	[[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
...	...	@@ -1067,8 +1067,10 @@
1067	1067
1068	1068	== 4.5 Quit AT Command ==
1069	1069
	1304	+
1070	1070	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1071	1071
	1307	+
1072	1072	(% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1073	1073
1074	1074	[[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
...	...	@@ -1082,11 +1082,14 @@
1082	1082
1083	1083	== 4.6 Set to sleep mode ==
1084	1084
	1321	+
1085	1085	Feature: Set device to sleep mode
1086	1086
1087	1087	* **AT+Sleep=0**  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1088	1088	* **AT+Sleep=1** :  Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1089	1089
	1327	+
	1328	+
1090	1090	(% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1091	1091
1092	1092	[[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
...	...	@@ -1100,8 +1100,10 @@
1100	1100
1101	1101	== 4.7 Set system time ==
1102	1102
	1342	+
1103	1103	Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1104	1104
	1345	+
1105	1105	(% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1106	1106
1107	1107	[[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
...	...	@@ -1115,6 +1115,7 @@
1115	1115
1116	1116	== 4.8 Set Time Sync Mode ==
1117	1117
	1359	+
1118	1118	(((
1119	1119	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1120	1120	)))
...	...	@@ -1121,6 +1121,8 @@
1121	1121
1122	1122	(((
1123	1123	SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
	1366	+
	1367	+
1124	1124	)))
1125	1125
1126	1126	(% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
...	...	@@ -1137,8 +1137,10 @@
1137	1137
1138	1138	== 4.9 Set Time Sync Interval ==
1139	1139
	1384	+
1140	1140	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1141	1141
	1387	+
1142	1142	(% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1143	1143
1144	1144	[[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
...	...	@@ -1152,8 +1152,10 @@
1152	1152
1153	1153	== 4.10 Print data entries base on page. ==
1154	1154
	1401	+
1155	1155	Feature: Print the sector data from start page to stop page (max is 416 pages).
1156	1156
	1404	+
1157	1157	(% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1158	1158
1159	1159	[[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
...	...	@@ -1195,7 +1195,6 @@
1195	1195	* Example: 0xA301 ~/~/Same as AT+CLRDTA
1196	1196
1197	1197
1198		-
1199	1199	== 4.13 Auto Send None-ACK messages ==
1200	1200
1201	1201	(% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
...	...	@@ -1274,16 +1274,11 @@
1274	1274
1275	1275	(% _msthash="506061" _msttexthash="170755" %)**Connection:**
1276	1276
1277		-(% _msthash="506062" _msttexthash="1187732" %)
1278		-**✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
	1524	+* (% style="background-color:yellow" %)**USB to TTL GND <~-~->GND**
	1525	+* (% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
	1526	+* (% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
	1527	+* (% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1279	1279
1280		-(% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1281		-
1282		-(% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1283		-
1284		-(% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1285		-
1286		-
1287	1287	(((
1288	1288	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.
1289	1289	)))
...	...	@@ -1592,7 +1592,59 @@
1592	1592	Finally, unplug the DuPont cable on port4, and then use the DuPont cable to short circuit port3 and port1 to reset the device.
1593	1593
1594	1594
	1837	+== 6.6 Using USB-TYPE-C to connect to the computer using the AT command ==
1595	1595
	1839	+[[image:image-20220623110706-1.png]]
	1840	+
	1841	+
	1842	+[[image:image-20220623112117-4.png||height="459" width="343"]]
	1843	+
	1844	+(((
	1845	+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**(% style="color:red" %))(%%) 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.
	1846	+)))
	1847	+
	1848	+
	1849	+Input password and ATZ to activate LHT65N,As shown below:
	1850	+
	1851	+[[image:image-20220615154519-3.png||height="672" width="807"]]
	1852	+
	1853	+
	1854	+== 6.7 How to use  USB-TYPE-C to connect PC to upgrade firmware? ==
	1855	+
	1856	+[[image:image-20220623110706-1.png]]
	1857	+
	1858	+(% style="color:blue" %)**Step1**(%%): Install TremoProgrammer  first.
	1859	+
	1860	+[[image:image-20220615170542-5.png]]
	1861	+
	1862	+
	1863	+(% style="color:blue" %)**Step2**(%%)：wiring method.(% style="display:none" %)
	1864	+
	1865	+(% _msthash="506146" _msttexthash="52173160" %)
	1866	+First connect the four lines；
	1867	+
	1868	+(% _msthash="506146" _msttexthash="52173160" %)
	1869	+[[image:image-20220623113959-5.png||height="528" width="397"]]
	1870	+
	1871	+(% _msthash="506146" _msttexthash="52173160" %)
	1872	+Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
	1873	+
	1874	+(% style="color:blue" %)**Step3：**(%%)Select the device port to be connected, baud rate and bin file to be downloaded.
	1875	+
	1876	+[[image:image-20220615171334-6.png]]
	1877	+
	1878	+
	1879	+Click the (% style="color:blue" %)**start**(%%) button to start the firmware upgrade.
	1880	+
	1881	+
	1882	+When this interface appears, it indicates that the download has been completed.
	1883	+
	1884	+[[image:image-20220620160723-8.png]]
	1885	+
	1886	+
	1887	+Finally,restart reset device again
	1888	+
	1889	+
1596	1596	= 7. Order Info =
1597	1597
1598	1598
...	...	@@ -1621,7 +1621,6 @@
1621	1621	* (% style="color:red" %)**E3**(%%): External Temperature Probe
1622	1622
1623	1623
1624		-
1625	1625	= 8. Packing Info =
1626	1626
1627	1627
...	...	@@ -1640,6 +1640,7 @@
1640	1640
1641	1641	* [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1642	1642
	1936	+
1643	1643	= 10. FCC Warning =
1644	1644
1645	1645	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:

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