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Details

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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+(% style="text-align:center" %)
	2	+[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
	3	+
	4	+
	5	+**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
	6	+
	7	+
	8	+
	9	+
	10	+**Table of Contents：**
	11	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-(% class="wikigeneratedid" %)
6		-= =
7	7
8		-(% class="wikigeneratedid" %)
9		-= 1.Introduction =
10	10
11		-== 1.1 Overview ==
12	12
13		-[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
	17	+= 1. Introduction =
14	14
	19	+== 1.1 What is LHT65N Temperature & Humidity Sensor ==
15	15
16		-The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
	21	+(((
	22	+The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
	23	+)))
17	17
	25	+(((
18	18	The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
	27	+)))
19	19
	29	+(((
20	20	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
	31	+)))
21	21
	33	+(((
22	22	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
	35	+)))
23	23
24		-LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
	37	+(((
	38	+LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
	39	+)))
25	25
	41	+(((
26	26	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
	43	+)))
27	27
	45	+== 1.2 Features ==
28	28
29		-== Features: ==
30		-
31	31	* Wall mountable
32	32	* LoRaWAN v1.0.3 Class A protocol
33	33	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
...	...	@@ -40,55 +40,87 @@
40	40	* Tri-color LED to indicate working status
41	41	* Datalog feature
42	42
43		-== Specification: ==
	59	+== 1.3 Specification ==
44	44
	61	+(((
45	45	**Built-in Temperature Sensor:**
	63	+)))
46	46
47		-* Resolution: 0.01 °C
48		-* Accuracy Tolerance : Typ ±0.3 °C
49		-* Long Term Drift: < 0.02 °C/yr
50		-* Operating Range: -40 ~~ 85 °C
	65	+* (((
	66	+Resolution: 0.01 °C
	67	+)))
	68	+* (((
	69	+Accuracy Tolerance : Typ ±0.3 °C
	70	+)))
	71	+* (((
	72	+Long Term Drift: < 0.02 °C/yr
	73	+)))
	74	+* (((
	75	+Operating Range: -40 ~~ 85 °C
	76	+)))
51	51
	78	+(((
52	52	**Built-in Humidity Sensor:**
	80	+)))
53	53
54		-* Resolution: 0.04 %RH
55		-* Accuracy Tolerance : Typ ±3 %RH
56		-* Long Term Drift: < 0.02 °C/yr
57		-* Operating Range: 0 ~~ 96 %RH
	82	+* (((
	83	+Resolution: 0.04 %RH
	84	+)))
	85	+* (((
	86	+Accuracy Tolerance : Typ ±3 %RH
	87	+)))
	88	+* (((
	89	+Long Term Drift: < 0.02 °C/yr
	90	+)))
	91	+* (((
	92	+Operating Range: 0 ~~ 96 %RH
	93	+)))
58	58
	95	+(((
59	59	**External Temperature Sensor:**
	97	+)))
60	60
61		-* Resolution: 0.0625 °C
62		-* ±0.5°C accuracy from -10°C to +85°C
63		-* ±2°C accuracy from -55°C to +125°C
64		-* Operating Range: -55 °C ~~ 125 °C
	99	+* (((
	100	+Resolution: 0.0625 °C
	101	+)))
	102	+* (((
	103	+±0.5°C accuracy from -10°C to +85°C
	104	+)))
	105	+* (((
	106	+±2°C accuracy from -55°C to +125°C
	107	+)))
	108	+* (((
	109	+Operating Range: -55 °C ~~ 125 °C
	110	+)))
65	65
66		-= Connect LHT65N to IoT Server =
	112	+= 2. Connect LHT65N to IoT Server =
67	67
68		-== How does LHT65N work? ==
	114	+== 2.1 How does LHT65N work? ==
69	69
	116	+(((
70	70	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.
	118	+)))
71	71
	120	+(((
72	72	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.
	122	+)))
73	73
	124	+== 2.2 How to Activate LHT65N? ==
74	74
75		-== How to Activate LHT65N? ==
76		-
77	77	The LHT65N has two working modes:
78	78
79	79	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
80	80	* **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, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
81	81
	131	+(((
82	82	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
	133	+)))
83	83
84	84	[[image:image-20220515123819-1.png||height="379" width="317"]]
85	85
86		-|**Behavior on ACT**|**Function**|**Action**
87		-|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
88		-|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
89		-|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
	137	+[[image:image-20220525110604-2.png]]
90	90
91		-== Example to join LoRaWAN network ==
	139	+== 2.3 Example to join LoRaWAN network ==
92	92
93	93	(% class="wikigeneratedid" %)
94	94	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.
...	...	@@ -99,7 +99,7 @@
99	99	Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
100	100
101	101
102		-=== **Step 1**: Create Device n TTN ===
	150	+=== 2.3.1 Step 1: Create Device n TTN ===
103	103
104	104	Create a device in TTN V3 with the OTAA keys from LHT65N.
105	105
...	...	@@ -113,10 +113,8 @@
113	113
114	114	[[image:image-20220522232916-3.png]]
115	115
116		-
117	117	[[image:image-20220522232932-4.png]]
118	118
119		-
120	120	[[image:image-20220522232954-5.png]]
121	121
122	122	Note: LHT65N use same payload as LHT65.
...	...	@@ -129,37 +129,60 @@
129	129	[[image:image-20220522233118-7.png]]
130	130
131	131
132		-=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
	178	+=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
133	133
134	134	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.
135	135
136		-[[image:image-20220522233300-8.png]]
	182	+[[image:image-20220522233300-8.png||height="219" width="722"]]
137	137
138	138
139		-== Uplink Payload: ==
	185	+== 2.4 Uplink Payload ==
140	140
141		-The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
	187	+The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
142	142
143		-After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
	189	+After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
144	144
	191	+(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
	192	+|(% style="width:97px" %)(((
	193	+**Size(bytes)**
	194	+)))|(% style="width:39px" %)(((
	195	+**2**
	196	+)))|(% style="width:100px" %)(((
	197	+**2**
	198	+)))|(% style="width:77px" %)(((
	199	+**2**
	200	+)))|(% style="width:47px" %)(((
	201	+**1**
	202	+)))|(% style="width:51px" %)(((
	203	+**4**
	204	+)))
	205	+|(% style="width:97px" %)(((
	206	+**Value**
	207	+)))|(% style="width:39px" %)(((
	208	+[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
	209	+)))|(% style="width:100px" %)(((
	210	+(((
	211	+[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
	212	+)))
	213	+)))|(% style="width:77px" %)(((
	214	+(((
	215	+[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
	216	+)))
145	145
146		-(% style="width:572px" %)
147		-|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
148		-|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
149		-[[Built-In>>path:#SHT20_Temperature]]
	218	+(((
	219	+[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
	220	+)))
	221	+)))|(% style="width:47px" %)(((
	222	+[[Ext>>||anchor="H2.4.5Ext23"]] #
	223	+)))|(% style="width:51px" %)(((
	224	+[[Ext value>>||anchor="H2.4.6Extvalue"]]
	225	+)))
150	150
151		-[[Temperature>>path:#SHT20_Temperature]]
152		-)))|(% style="width:103px" %)(((
153		-[[Built-in>>path:#SHT20_Humidity]]
154		-
155		-[[Humidity>>path:#SHT20_Humidity]]
156		-)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
157		-
158	158	* The First 6 bytes: has fix meanings for every LHT65N.
159	159	* The 7th byte (EXT #): defines the external sensor model.
160	160	* The 8^^th^^ ~~ 11^^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.)
161	161
162		-=== Decoder in TTN V3 ===
	231	+=== 2.4.1 Decoder in TTN V3 ===
163	163
164	164	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.
165	165
...	...	@@ -167,37 +167,24 @@
167	167
168	168	[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
169	169
170		-[[image:image-20220522234118-10.png]]
	239	+[[image:image-20220522234118-10.png||height="353" width="729"]]
171	171
	241	+=== 2.4.2 BAT-Battery Info ===
172	172
173		-=== BAT-Battery Info ===
174		-
175	175	These two bytes of BAT include the battery state and the actually voltage
176	176
177		-(% style="width:646px" %)
178		-|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
179		-|Value|(% style="width:272px" %)(((
180		-BAT Status
	245	+[[image:image-20220523152839-18.png]]
181	181
182		-00(b): Ultra Low ( BAT <= 2.50v)
	247	+[[image:image-20220522235639-1.png||height="139" width="727"]]
183	183
184		-01(b): Low  (2.50v <=BAT <= 2.55v)
185		-
186		-10(b): OK   (2.55v <= BAT <=2.65v)
187		-
188		-11(b): Good   (BAT >= 2.65v)
189		-)))|(% style="width:214px" %)Actually BAT voltage
190		-
191		-[[image:image-20220522235639-1.png]]
192		-
193	193	Check the battery voltage for LHT65N.
194	194
195	195	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
196	196	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
197	197
198		-=== Built-in Temperature ===
	254	+=== 2.4.3 Built-in Temperature ===
199	199
200		-[[image:image-20220522235639-2.png]]
	256	+[[image:image-20220522235639-2.png||height="138" width="722"]]
201	201
202	202	* Temperature:  0x0ABB/100=27.47℃
203	203
...	...	@@ -205,72 +205,92 @@
205	205
206	206	* Temperature:  (0xF5C6-65536)/100=-26.18℃
207	207
208		-=== Built-in Humidity ===
	264	+=== 2.4.4 Built-in Humidity ===
209	209
210		-[[image:image-20220522235639-4.png]]
	266	+[[image:image-20220522235639-4.png||height="138" width="722"]]
211	211
212	212	* Humidity:    0x025C/10=60.4%
213	213
214		-=== Ext # ===
	270	+=== 2.4.5 Ext # ===
215	215
216	216	Bytes for External Sensor:
217	217
218		-(% style="width:624px" %)
219		-|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
220		-|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
221		-|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
	274	+[[image:image-20220523152822-17.png]]
222	222
223		-=== Ext value ===
	276	+=== 2.4.6 Ext value ===
224	224
225		-==== Ext~=1, E3 Temperature Sensor ====
	278	+==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
226	226
227	227	[[image:image-20220522235639-5.png]]
228	228
229		-
230	230	* DS18B20 temp=0x0ADD/100=27.81℃
231	231
232	232	The last 2 bytes of data are meaningless
233	233
234		-
235		-
236	236	[[image:image-20220522235639-6.png]]
237	237
238	238	* External temperature= (0xF54F-65536)/100=-27.37℃
239	239
	290	+(((
240	240	The last 2 bytes of data are meaningless
	292	+)))
241	241
242		-
	294	+(((
243	243	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
	296	+)))
244	244
245	245
246		-==== Ext~=9, E3 sensor with Unix Timestamp ====
	299	+==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
247	247
248	248	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:
249	249
	303	+(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
	304	+|(% style="width:96px" %)(((
	305	+**Size(bytes)**
	306	+)))|(% style="width:71px" %)(((
	307	+**2**
	308	+)))|(% style="width:99px" %)(((
	309	+**2**
	310	+)))|(% style="width:132px" %)(((
	311	+**2**
	312	+)))|(% style="width:54px" %)(((
	313	+**1**
	314	+)))|(% style="width:64px" %)(((
	315	+**4**
	316	+)))
	317	+|(% style="width:96px" %)(((
	318	+**Value**
	319	+)))|(% style="width:71px" %)(((
	320	+[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
	321	+)))|(% style="width:99px" %)(((
	322	+(((
	323	+[[Built-In>>||anchor="H2.4.3Built-inTemperature"]]
	324	+)))
250	250
251		-(% style="width:697px" %)
252		-|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
253		-|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
254		-[[Built-In>>path:#SHT20_Temperature]]
	326	+(((
	327	+[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
	328	+)))
	329	+)))|(% style="width:132px" %)(((
	330	+(((
	331	+BAT Status &
	332	+)))
255	255
256		-[[Temperature>>path:#SHT20_Temperature]]
257		-)))|(% style="width:106px" %)(((
258		-[[BAT Status &>>path:#BAT_Humidity]]
259		-
260		-[[Built-in>>path:#BAT_Humidity]]
261		-
262		-[[Humidity>>path:#BAT_Humidity]]
263		-)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
264		-[[Unix>>path:#Unix_Time_Stamp]]
265		-
266		-[[Time Stamp>>path:#Unix_Time_Stamp]]
	334	+(((
	335	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
267	267	)))
	337	+)))|(% style="width:54px" %)(((
	338	+Status & Ext
	339	+)))|(% style="width:64px" %)(((
	340	+(((
	341	+[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
	342	+)))
	343	+)))
268	268
269		-* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
	345	+* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
270	270
271		-(% style="width:587px" %)
272		-|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
273		-|Value|(% style="width:280px" %)(((
	347	+(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
	348	+|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
	349	+|(% style="width:65px" %)Value|(% style="width:267px" %)(((
274	274	BAT Status
275	275
276	276	00(b): Ultra Low ( BAT <= 2.50v)
...	...	@@ -280,8 +280,8 @@
280	280	10(b): OK   (2.55v <= BAT <=2.65v)
281	281
282	282	11(b): Good   (BAT >= 2.65v)
283		-)))|(% style="width:136px" %)(((
284		-[[Built-in Humidity>>path:#SHT20_Humidity]]
	359	+)))|(% style="width:134px" %)(((
	360	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
285	285
286	286
287	287	)))
...	...	@@ -288,29 +288,27 @@
288	288
289	289	* **Status & Ext Byte**
290	290
291		-(% style="width:732px" %)
292		-|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
293		-|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
294		-Ext:
	367	+[[image:image-20220523152434-16.png]]
295	295
296		-0b(1001)
297		-)))
298		-
299	299	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
300	300	* 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.
301	301	* 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)
302	302
303		-== Show data on Datacake ==
	373	+== 2.5 Show data on Datacake ==
304	304
305	305	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:
306	306
307		-
	377	+(((
308	308	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
	379	+)))
309	309
	381	+(((
310	310	**Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
	383	+)))
311	311
312		-
	385	+(((
313	313	Add Datacake:
	387	+)))
314	314
315	315	[[image:image-20220523000825-7.png||height="262" width="583"]]
316	316
...	...	@@ -319,21 +319,24 @@
319	319
320	320	[[image:image-20220523000825-8.png||height="453" width="406"]]
321	321
322		-
323	323	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
324	324
325	325	[[image:image-20220523000825-9.png||height="366" width="392"]]
326	326
	400	+[[image:image-20220523000825-10.png||height="413" width="728"]]
327	327
	402	+== 2.6 Datalog Feature ==
328	328
329		-[[image:image-20220523000825-10.png||height="432" width="762"]]
	404	+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.
330	330
	406	+=== 2.6.1 Ways to get datalog via LoRaWAN ===
331	331
332		-== Datalog Feature ==
	408	+There are two methods:
333	333
334		-This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
	410	+1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
	411	+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.
335	335
336		-=== Unix TimeStamp ===
	413	+=== 2.6.2 Unix TimeStamp ===
337	337
338	338	LHT65N uses Unix TimeStamp format based on
339	339
...	...	@@ -340,100 +340,215 @@
340	340	[[image:image-20220523001219-11.png||height="97" width="627"]]
341	341
342	342
	420	+(((
343	343	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	422	+)))
344	344
	424	+(((
345	345	Below is the converter example
	426	+)))
346	346
347		-[[image:image-20220523001219-12.png||height="353" width="853"]]
	428	+[[image:image-20220523001219-12.png||height="298" width="720"]]
348	348
349	349	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
350	350
	432	+=== 2.6.3 Set Device Time ===
351	351
352		-=== Set Device Time ===
353		-
	434	+(((
354	354	There are two ways to set device’s time:
	436	+)))
355	355
	438	+(((
356	356	**~1. Through LoRaWAN MAC Command (Default settings)**
	440	+)))
357	357
	442	+(((
358	358	User need to set SYNCMOD=1 to enable sync time via MAC command.
	444	+)))
359	359
	446	+(((
360	360	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).
	448	+)))
361	361
	450	+(((
362	362	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.
	452	+)))
363	363
	454	+(((
	455	+
	456	+)))
364	364
	458	+(((
365	365	**2. Manually Set Time**
	460	+)))
366	366
	462	+(((
367	367	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
	464	+)))
368	368
	466	+=== 2.6.4 Poll sensor value ===
369	369
370		-=== Poll sensor value ===
371		-
372	372	User can poll sensor value based on timestamps from the server. Below is the downlink command.
373	373
	470	+[[image:image-20220523152302-15.png]]
374	374
375		-(% style="width:454px" %)
376		-|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
377		-|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
378		-
	472	+(((
379	379	Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
	474	+)))
380	380
	476	+(((
	477	+For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
	478	+)))
381	381
382		-For example, downlink command 31 5FC5F350 5FC6 0160 05
383		-
	480	+(((
384	384	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
	482	+)))
385	385
	484	+(((
386	386	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
	486	+)))
387	387
388	388
389		-=== Datalog Uplink payload ===
	489	+=== 2.6.5 Datalog Uplink payload ===
390	390
391	391	The Datalog poll reply uplink will use below payload format.
392	392
	493	+(((
	494	+**Retrieval data payload**
	495	+)))
393	393
394		-Retrieval data payload
	497	+(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
	498	+|(% style="width:93px" %)(((
	499	+(((
	500	+**Size(bytes)**
	501	+)))
	502	+)))|(% style="width:71px" %)(((
	503	+(((
	504	+**2**
	505	+)))
	506	+)))|(% style="width:102px" %)(((
	507	+(((
	508	+**2**
	509	+)))
	510	+)))|(% style="width:86px" %)(((
	511	+(((
	512	+**2**
	513	+)))
	514	+)))|(% style="width:86px" %)(((
	515	+(((
	516	+**1**
	517	+)))
	518	+)))|(% style="width:48px" %)(((
	519	+(((
	520	+**4**
	521	+)))
	522	+)))
	523	+|(% style="width:93px" %)(((
	524	+(((
	525	+**Value**
	526	+)))
	527	+)))|(% style="width:71px" %)(((
	528	+(((
	529	+[[External sensor data>>||anchor="H2.4.6Extvalue"]]
	530	+)))
	531	+)))|(% style="width:102px" %)(((
	532	+(((
	533	+(((
	534	+[[Built In>>||anchor="H2.4.3Built-inTemperature"]]
	535	+)))
	536	+)))
395	395
396		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
397		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
398		-[[Built-In>>path:#SHT20_Temperature]]
	538	+(((
	539	+(((
	540	+[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
	541	+)))
	542	+)))
	543	+)))|(% style="width:86px" %)(((
	544	+(((
	545	+(((
	546	+[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
	547	+)))
	548	+)))
399	399
400		-[[Temperature>>path:#SHT20_Temperature]]
401		-)))|(((
402		-[[Built-in>>path:#SHT20_Humidity]]
	550	+(((
	551	+(((
	552	+[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
	553	+)))
	554	+)))
	555	+)))|(% style="width:86px" %)(((
	556	+(((
	557	+Poll message flag & Ext
	558	+)))
	559	+)))|(% style="width:48px" %)(((
	560	+(((
	561	+(((
	562	+[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
	563	+)))
	564	+)))
403	403
404		-[[Humidity>>path:#SHT20_Humidity]]
405		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
406		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
407		-
	566	+(((
	567	+(((
408	408
409	409	)))
	570	+)))
	571	+)))
410	410
411		-Poll message flag & Ext
	573	+**Poll message flag & Ext**
412	412
	575	+[[image:image-20220523152208-14.png]]
413	413
414		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
415		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
416		-Ext:
	577	+(((
	578	+(((
	579	+Poll Message Flag: 1: This message is a poll message reply.
	580	+)))
	581	+)))
417	417
418		-0b(1001)
	583	+* (((
	584	+(((
	585	+Poll Message Flag is set to 1.
419	419	)))
	587	+)))
	588	+* (((
	589	+(((
	590	+Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	591	+)))
	592	+)))
420	420
421		-Poll Message Flag: 1: This message is a poll message reply.
422		-
423		-* Poll Message Flag is set to 1.
424		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
425		-
	594	+(((
	595	+(((
426	426	For example, in US915 band, the max payload for different DR is:
	597	+)))
	598	+)))
427	427
428		-a)      DR0: max is 11 bytes so one entry of data
	600	+(((
	601	+(((
	602	+a) DR0: max is 11 bytes so one entry of data
	603	+)))
	604	+)))
429	429
430		-b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	606	+(((
	607	+(((
	608	+b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	609	+)))
	610	+)))
431	431
432		-c)      DR2: total payload includes 11 entries of data
	612	+(((
	613	+(((
	614	+c) DR2: total payload includes 11 entries of data
	615	+)))
	616	+)))
433	433
434		-d)      DR3: total payload includes 22 entries of data.
	618	+(((
	619	+(((
	620	+d) DR3: total payload includes 22 entries of data.
	621	+)))
	622	+)))
435	435
	624	+(((
	625	+(((
436	436	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
	627	+)))
	628	+)))
437	437
438	438
439	439	**Example:**
...	...	@@ -440,37 +440,29 @@
440	440
441	441	If LHT65N has below data inside Flash:
442	442
443		-Flash Addr   |Unix Time | Ext | BAT voltage|  Value
	635	+[[image:image-20220523144455-1.png||height="335" width="735"]]
444	444
445		-80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
	637	+(((
	638	+If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
	639	+)))
446	446
447		-80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
448		-
449		-8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
450		-
451		-8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
452		-
453		-8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
454		-
455		-8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
456		-
457		-8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
458		-
459		-8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
460		-
461		-
462		-If user sends below downlink command:
463		-
464		-3160065F9760066DA705
465		-
	641	+(((
466	466	Where : Start time: 60065F97 = time 21/1/19 04:27:03
	643	+)))
467	467
	645	+(((
468	468	Stop time 60066DA7= time 21/1/19 05:27:03
	647	+)))
469	469
	649	+(((
	650	+
	651	+)))
470	470
	653	+(((
471	471	LHT65N will uplink this payload.
	655	+)))
472	472
473		-[[image:image-20220523001219-13.png]]
	657	+[[image:image-20220523001219-13.png||height="421" width="727"]]
474	474
475	475	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
476	476
...	...	@@ -488,49 +488,61 @@
488	488
489	489	Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
490	490
	675	+== 2.7 Alarm Mode ==
491	491
492		-== Alarm Mode ==
	677	+When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
493	493
494		-Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
	679	+(((
	680	+(% style="color:red" %)Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
	681	+)))
495	495
	683	+**AT Commands for Alarm mode:**
496	496
497		-Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
498		-
499		-
500		-AT Commands for Alarm mode:
501		-
	685	+(% class="box infomessage" %)
	686	+(((
	687	+(((
502	502	**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
503		-
504	504	**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
	690	+)))
	691	+)))
505	505
	693	+== 2.8 LED Indicator ==
506	506
507		-
508		-== LED Indicator ==
509		-
	695	+(((
510	510	The LHT65N has a triple color LED which for easy shows different stage.
	697	+)))
511	511
	699	+(((
512	512	While pressing ACT button, the LED will work as per LED status with ACT button.
	701	+)))
513	513
	703	+(((
514	514	In a normal working state:
	705	+)))
515	515
516		-* For each uplink, the BLUE LED or RED LED will blink once.
517		-* BLUE LED when an external sensor is connected
518		-* RED LED when an external sensor is not connected
519		-* For each success downlink, the PURPLE LED will blink once
	707	+* (((
	708	+For each uplink, the BLUE LED or RED LED will blink once.
	709	+)))
	710	+* (((
	711	+BLUE LED when an external sensor is connected
	712	+)))
	713	+* (((
	714	+RED LED when an external sensor is not connected
	715	+)))
	716	+* (((
	717	+For each success downlink, the PURPLE LED will blink once
	718	+)))
520	520
521	521	----
522	522
523		-== Installation ==
	722	+== 2.9 Installation ==
524	524
525	525	[[image:image-20220516231650-1.png||height="436" width="428"]]
526	526
	726	+= 3. Sensors & Accessories =
527	527
	728	+== 3.1 E3 Temperature Probe ==
528	528
529		-
530		-= Sensors & Accessories =
531		-
532		-== E3 Temperature Probe ==
533		-
534	534	[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
535	535
536	536
...	...	@@ -543,93 +543,116 @@
543	543	* -55°C to 125°C
544	544	* Working voltage 2.35v ~~ 5v
545	545
546		-= Configure LHT65N via AT Command or LoRaWAN Downlink =
	742	+= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
547	547
	744	+(((
548	548	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	746	+)))
549	549
550		-* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
551		-* LoRaWAN Downlink instruction for different platforms:
	748	+* (((
	749	+AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
	750	+)))
	751	+* (((
	752	+LoRaWAN Downlink instruction for different platforms:
	753	+)))
552	552
	755	+(((
553	553	[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
	757	+)))
554	554
555		-
	759	+(((
556	556	There are two kinds of commands to configure LHT65N, they are:
	761	+)))
557	557
558		-* **General Commands**.
	763	+(((
	764	+(% style="color:#4f81bd" %)* **General Commands**.
	765	+)))
559	559
	767	+(((
560	560	These commands are to configure:
	769	+)))
561	561
562		-* General system settings like: uplink interval.
563		-* LoRaWAN protocol & radio-related commands.
	771	+* (((
	772	+General system settings like: uplink interval.
	773	+)))
	774	+* (((
	775	+LoRaWAN protocol & radio-related commands.
	776	+)))
564	564
	778	+(((
565	565	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
	780	+)))
566	566
	782	+(((
567	567	[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
	784	+)))
568	568
	786	+(((
	787	+(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
	788	+)))
569	569
570		-
571		-* **Commands special design for LHT65N**
572		-
	790	+(((
573	573	These commands are only valid for LHT65N, as below:
	792	+)))
574	574
	794	+== 4.1 Set Transmit Interval Time ==
575	575
576		-== Set Transmit Interval Time ==
577		-
578	578	Feature: Change LoRaWAN End Node Transmit Interval.
579	579
580	580	**AT Command: AT+TDC**
581	581
582		-|**Command Example**|**Function**|**Response**
583		-|AT+TDC?|Show current transmit Interval|(((
584		-30000
	800	+[[image:image-20220523150701-2.png]]
585	585
586		-OK
587		-
588		-the interval is 30000ms = 30s
	802	+(((
	803	+**Downlink Command: 0x01**
589	589	)))
590		-|AT+TDC=60000|Set Transmit Interval|(((
591		-OK
592	592
593		-Set transmit interval to 60000ms = 60 seconds
	806	+(((
	807	+Format: Command Code (0x01) followed by 3 bytes time value.
594	594	)))
595	595
596		-**Downlink Command: 0x01**
597		-
598		-Format: Command Code (0x01) followed by 3 bytes time value.
599		-
	810	+(((
600	600	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	812	+)))
601	601
602		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
603		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	814	+* (((
	815	+**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	816	+)))
	817	+* (((
	818	+**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	819	+)))
604	604
605		-== Set External Sensor Mode ==
	821	+== 4.2 Set External Sensor Mode ==
606	606
607	607	Feature: Change External Sensor Mode.
608	608
609	609	**AT Command: AT+EXT**
610	610
611		-|**Command Example**|**Function**|**Response**
612		-|AT+EXT?|Get current external sensor mode|(((
613		-1
	827	+[[image:image-20220523150759-3.png]]
614	614
615		-OK
616		-
617		-External Sensor mode =1
	829	+(((
	830	+**Downlink Command: 0xA2**
618	618	)))
619		-|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
620		-|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
621	621
622		-**Downlink Command: 0xA2**
623		-
	833	+(((
624	624	Total bytes: 2 ~~ 5 bytes
	835	+)))
625	625
626		-Example:
	837	+(((
	838	+**Example:**
	839	+)))
627	627
628		-* 0xA201: Set external sensor type to E1
629		-* 0xA209: Same as AT+EXT=9
630		-* 0xA20702003c,Same as AT+SETCNT=60
	841	+* (((
	842	+0xA201: Set external sensor type to E1
	843	+)))
	844	+* (((
	845	+0xA209: Same as AT+EXT=9
	846	+)))
	847	+* (((
	848	+0xA20702003c,Same as AT+SETCNT=60
	849	+)))
631	631
632		-== Enable/Disable uplink Temperature probe ID ==
	851	+== 4.3 Enable/Disable uplink Temperature probe ID ==
633	633
634	634	Feature: If PID is enabled, device will send the temperature probe ID on:
635	635
...	...	@@ -638,101 +638,82 @@
638	638
639	639	PID is default set to disable (0)
640	640
641		-
642	642	**AT Command:**
643	643
644		-|**Command Example**|**Function**|**Response**
645		-|AT+PID=1|Enable PID uplink|OK
	862	+[[image:image-20220523150928-4.png]]
646	646
647	647	**Downlink Command:**
648	648
649		-* 0xA800     à AT+PID=0
650		-* 0xA801     à AT+PID=1
	866	+* 0xA800  **~-~->** AT+PID=0
	867	+* 0xA801     **~-~->** AT+PID=1
651	651
	869	+== 4.4 Set Password ==
652	652
653		-== Set Password ==
654		-
655	655	Feature: Set device password, max 9 digits
656	656
657	657	**AT Command: AT+PWORD**
658	658
659		-|**Command Example**|**Function**|**Response**
660		-|AT+PWORD=?|Show password|(((
661		-123456
	875	+[[image:image-20220523151052-5.png]]
662	662
663		-
664		-OK
	877	+(((
	878	+**Downlink Command:**
665	665	)))
666		-|AT+PWORD=999999|Set password|OK
667	667
668		-**Downlink Command:**
669		-
	881	+(((
670	670	No downlink command for this feature.
	883	+)))
671	671
	885	+== 4.5 Quit AT Command ==
672	672
673		-== Quit AT Command ==
674		-
675	675	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
676	676
677	677	**AT Command: AT+DISAT**
678	678
679		-|**Command Example**|**Function**|**Response**
680		-|AT+DISAT|Quit AT Commands mode|OK
	891	+[[image:image-20220523151132-6.png]]
681	681
682	682	**Downlink Command:**
683	683
684	684	No downlink command for this feature.
685	685
	897	+== 4.6 Set to sleep mode ==
686	686
687		-== Set to sleep mode ==
688		-
689	689	Feature: Set device to sleep mode
690	690
691	691	**AT Command: AT+SLEEP**
692	692
693		-| | |
694		-|**Command Example**|**Function**|**Response**
695		-|AT+SLEEP|Set to sleep mode|(((
696		-Clear all stored sensor data…
	903	+[[image:image-20220523151218-7.png]]
697	697
698		-OK
699		-)))
700		-
701	701	**Downlink Command:**
702	702
703	703	* There is no downlink command to set to Sleep mode.
704	704
	909	+== 4.7 Set system time ==
705	705
706		-== Set system time ==
707		-
708	708	Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
709	709
710	710	**AT Command:**
711	711
712		-|**Command Example**|**Function**
713		-|AT+TIMESTAMP=1611104352|(((
714		-OK
	915	+[[image:image-20220523151253-8.png]]
715	715
716		-Set System time to 2021-01-20 00:59:12
717		-)))
718		-
719	719	**Downlink Command:**
720	720
721	721	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
722	722
	921	+== 4.8 Set Time Sync Mode ==
723	723
724		-== Set Time Sync Mode ==
725		-
	923	+(((
726	726	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
	925	+)))
727	727
728		-
	927	+(((
729	729	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.
	929	+)))
730	730
731		-
	931	+(((
732	732	**AT Command:**
	933	+)))
733	733
734		-|**Command Example**|**Function**
735		-|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
	935	+[[image:image-20220523151336-9.png]]
736	736
737	737	**Downlink Command:**
738	738
...	...	@@ -740,197 +740,186 @@
740	740
741	741	0x28 00 ~/~/ Same As AT+SYNCMOD=0
742	742
	943	+== 4.9 Set Time Sync Interval ==
743	743
744		-== Set Time Sync Interval ==
745		-
746	746	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
747	747
748	748	**AT Command:**
749	749
750		-|**Command Example**|**Function**
751		-|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
	949	+[[image:image-20220523151411-10.png]]
752	752
753	753	**Downlink Command:**
754	754
755	755	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
756	756
	955	+== 4.10 Print data entries base on page. ==
757	757
758		-== Print data entries base on page. ==
759		-
760	760	Feature: Print the sector data from start page to stop page (max is 416 pages).
761	761
762	762	**AT Command: AT+PDTA**
763	763
764		-|**Command Example**|**Response**
765		-|(((
766		-AT+PDTA=1,3
	961	+[[image:image-20220523151450-11.png]]
767	767
768		-
769		-
770		-Print page 1 to 3
771		-)))|(((
772		-8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
773		-
774		-8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
775		-
776		-8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
777		-
778		-8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
779		-
780		-8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
781		-
782		-8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
783		-
784		-8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
785		-
786		-8019570
787		-
788		-8019580
789		-
790		-8019590
791		-
792		-80195A0
793		-
794		-80195B0
795		-
796		-80195C0
797		-
798		-80195D0
799		-
800		-80195E0
801		-
802		-80195F0
803		-
804		-
805		-OK
806		-)))
807		-
808	808	**Downlink Command:**
809	809
810	810	No downlink commands for feature
811	811
	967	+== 4.11 Print last few data entries. ==
812	812
813		-
814		-== Print last few data entries. ==
815		-
816	816	Feature: Print the last few data entries
817	817
818	818	**AT Command: AT+PLDTA**
819	819
820		-|**Command Example**|**Response**
821		-|(((
822		-AT+PLDTA=5
	973	+[[image:image-20220523151524-12.png]]
823	823
824		-
825		-
826		-Print last 5 entries
827		-)))|(((
828		-Stop Tx and RTP events when read sensor data
829		-
830		-1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
831		-
832		-2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
833		-
834		-3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
835		-
836		-4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
837		-
838		-5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
839		-
840		-Start Tx and RTP events
841		-
842		-OK
843		-)))
844		-
845	845	**Downlink Command:**
846	846
847	847	No downlink commands for feature
848	848
	979	+== 4.12 Clear Flash Record ==
849	849
850		-
851		-== Clear Flash Record ==
852		-
853	853	Feature: Clear flash storage for data log feature.
854	854
855	855	**AT Command: AT+CLRDTA**
856	856
857		-|**Command Example**|**Function**|**Response**
858		-|AT+CLRDTA|Clear date record|(((
859		-Clear all stored sensor data…
	985	+[[image:image-20220523151556-13.png]]
860	860
861		-OK
862		-)))
863		-
864	864	**Downlink Command: 0xA3**
865	865
866	866	* Example: 0xA301 ~/~/Same as AT+CLRDTA
867	867
	991	+== 4.13 Auto Send None-ACK messages ==
868	868
	993	+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.
869	869
870		-= Battery & How to replace =
871	871
872		-== Battery Type ==
	996	+**AT Command: AT+PNACKMD**
873	873
	998	+The default factory setting is 0
	999	+
	1000	+(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
	1001	+|=(% style="width: 171px;" %)**Command Example**|=(% style="width: 219px;" %)**Function**|=(% style="width: 119px;" %)**Response**
	1002	+|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:119px" %)OK
	1003	+
	1004	+**Downlink Command: 0x34**
	1005	+
	1006	+* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
	1007	+
	1008	+= 5. Battery & How to replace =
	1009	+
	1010	+== 5.1 Battery Type ==
	1011	+
874	874	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.
875	875
	1014	+(((
876	876	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
877	877	[[image:image-20220515075034-1.png||height="208" width="644"]]
	1017	+)))
878	878
879		-
	1019	+(((
880	880	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
881	881
	1022	+)))
882	882
883		-== Replace Battery ==
	1024	+== 5.2 Replace Battery ==
884	884
885	885	LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
886	886
887	887	[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
888	888
	1030	+== 5.3 Battery Life Analyze ==
889	889
890		-== Battery Life Analyze ==
891		-
	1032	+(((
892	892	Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
893	893	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
	1035	+)))
894	894
	1037	+= 6. Order Info =
895	895
896		-= Order Info =
	1039	+(((
	1040	+Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
	1041	+)))
897	897
898		-Part Number: (% class="mark" %)**LHT65N-XX**
	1043	+(((
	1044	+(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
	1045	+)))
899	899
900		-**XX**: The default frequency band
	1047	+* (((
	1048	+(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
	1049	+)))
	1050	+* (((
	1051	+(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
	1052	+)))
	1053	+* (((
	1054	+(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
	1055	+)))
	1056	+* (((
	1057	+(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
	1058	+)))
	1059	+* (((
	1060	+(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
	1061	+)))
	1062	+* (((
	1063	+(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
	1064	+)))
	1065	+* (((
	1066	+(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
	1067	+)))
	1068	+* (((
	1069	+(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
	1070	+)))
901	901
902		-* **AS923**: LoRaWAN AS923 band
903		-* **AU915**: LoRaWAN AU915 band
904		-* **EU433**: LoRaWAN EU433 band
905		-* **EU868**: LoRaWAN EU868 band
906		-* **KR920**: LoRaWAN KR920 band
907		-* **US915**: LoRaWAN US915 band
908		-* **IN865**: LoRaWAN IN865 band
909		-* **CN470**: LoRaWAN CN470 band
	1072	+(((
	1073	+(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
	1074	+)))
910	910
911		-**YY**: Sensor Accessories
	1076	+* (((
	1077	+(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
	1078	+)))
912	912
913		-* **E3**: External Temperature Probe
	1080	+= 7. Packing Info =
914	914
915		-= Packing Info =
916		-
	1082	+(((
917	917	**Package Includes**:
	1084	+)))
918	918
919		-* LHT65N Temperature & Humidity Sensor x 1
920		-* Program cable x 1
921		-* Optional external sensor
	1086	+* (((
	1087	+LHT65N Temperature & Humidity Sensor x 1
	1088	+)))
	1089	+* (((
	1090	+Program cable x 1
	1091	+)))
	1092	+* (((
	1093	+Optional external sensor
	1094	+)))
922	922
	1096	+(((
923	923	**Dimension and weight**:
	1098	+)))
924	924
925		-* Device Size:  13.5 x 7 x 3 cm
926		-* Device Weight: 105g
927		-* Package Size / pcs : 14.5 x 8 x 5 cm
928		-* Weight / pcs : 170g
	1100	+* (((
	1101	+Device Size:  13.5 x 7 x 3 cm
	1102	+)))
	1103	+* (((
	1104	+Device Weight: 105g
	1105	+)))
	1106	+* (((
	1107	+Package Size / pcs : 14.5 x 8 x 5 cm
	1108	+)))
	1109	+* (((
	1110	+Weight / pcs : 170g
	1111	+)))
929	929
930		-= FCC Warning =
	1113	+= 8. FCC Warning =
931	931
	1115	+(((
932	932	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
	1117	+)))
933	933
934		-(1) This device may not cause harmful interference, and
	1119	+(((
	1120	+(1) This device may not cause harmful interference；
	1121	+)))
935	935
936		-(2) this device must accept any interference received, including interference that may cause undesired operation
	1123	+(((
	1124	+(2) this device must accept any interference received, including interference that may cause undesired operation.
	1125	+)))

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