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...	...	@@ -1,49 +1,27 @@
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		-
	1	+{{box cssClass="floatinginfobox" title="**Contents**"}}
12	12	{{toc/}}
	3	+{{/box}}
13	13
	5	+= Overview =
14	14
	7	+[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
15	15
16	16
17		-= 1. Introduction =
	10	+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**(%%)**.**
18	18
19		-== 1.1 What is LHT65N Temperature & Humidity Sensor ==
20		-
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		-)))
24		-
25		-(((
26	26	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		-)))
28	28
29		-(((
30	30	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
31		-)))
32	32
33		-(((
34	34	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
35		-)))
36	36
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		-)))
	18	+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.
40	40
41		-(((
42	42	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
43		-)))
44	44
45		-== 1.2 Features ==
46	46
	23	+== Features: ==
	24	+
47	47	* Wall mountable
48	48	* LoRaWAN v1.0.3 Class A protocol
49	49	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
...	...	@@ -56,87 +56,55 @@
56	56	* Tri-color LED to indicate working status
57	57	* Datalog feature
58	58
59		-== 1.3 Specification ==
	37	+== Specification: ==
60	60
61		-(((
62	62	**Built-in Temperature Sensor:**
63		-)))
64	64
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		-)))
	41	+* Resolution: 0.01 °C
	42	+* Accuracy Tolerance : Typ ±0.3 °C
	43	+* Long Term Drift: < 0.02 °C/yr
	44	+* Operating Range: -40 ~~ 85 °C
77	77
78		-(((
79	79	**Built-in Humidity Sensor:**
80		-)))
81	81
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		-)))
	48	+* Resolution: 0.04 %RH
	49	+* Accuracy Tolerance : Typ ±3 %RH
	50	+* Long Term Drift: < 0.02 °C/yr
	51	+* Operating Range: 0 ~~ 96 %RH
94	94
95		-(((
96	96	**External Temperature Sensor:**
97		-)))
98	98
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		-)))
	55	+* Resolution: 0.0625 °C
	56	+* ±0.5°C accuracy from -10°C to +85°C
	57	+* ±2°C accuracy from -55°C to +125°C
	58	+* Operating Range: -55 °C ~~ 125 °C
111	111
112		-= 2. Connect LHT65N to IoT Server =
	60	+= Connect LHT65N to IoT Server =
113	113
114		-== 2.1 How does LHT65N work? ==
	62	+== How does LHT65N work? ==
115	115
116		-(((
117	117	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		-)))
119	119
120		-(((
121	121	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		-)))
123	123
124		-== 2.2 How to Activate LHT65N? ==
125	125
	69	+== How to Activate LHT65N? ==
	70	+
126	126	The LHT65N has two working modes:
127	127
128	128	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
129	129	* **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.
130	130
131		-(((
132	132	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
133		-)))
134	134
135	135	[[image:image-20220515123819-1.png||height="379" width="317"]]
136	136
137		-[[image:image-20220525110604-2.png]]
	80	+|**Behavior on ACT**|**Function**|**Action**
	81	+|**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.
	82	+|**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.
	83	+|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
138	138
139		-== 2.3 Example to join LoRaWAN network ==
	85	+== Example to join LoRaWAN network ==
140	140
141	141	(% class="wikigeneratedid" %)
142	142	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.
...	...	@@ -147,7 +147,7 @@
147	147	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:
148	148
149	149
150		-=== 2.3.1 Step 1: Create Device n TTN ===
	96	+=== **Step 1**: Create Device n TTN ===
151	151
152	152	Create a device in TTN V3 with the OTAA keys from LHT65N.
153	153
...	...	@@ -161,8 +161,10 @@
161	161
162	162	[[image:image-20220522232916-3.png]]
163	163
	110	+
164	164	[[image:image-20220522232932-4.png]]
165	165
	113	+
166	166	[[image:image-20220522232954-5.png]]
167	167
168	168	Note: LHT65N use same payload as LHT65.
...	...	@@ -175,60 +175,37 @@
175	175	[[image:image-20220522233118-7.png]]
176	176
177	177
178		-=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
	126	+=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
179	179
180	180	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.
181	181
182		-[[image:image-20220522233300-8.png||height="219" width="722"]]
	130	+[[image:image-20220522233300-8.png]]
183	183
184	184
185		-== 2.4 Uplink Payload ==
	133	+== Uplink Payload: ==
186	186
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.
	135	+The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
188	188
189		-After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
	137	+After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
190	190
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		-)))
217	217
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		-)))
	140	+(% style="width:572px" %)
	141	+|(% 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**
	142	+|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
	143	+[[Built-In>>path:#SHT20_Temperature]]
226	226
	145	+[[Temperature>>path:#SHT20_Temperature]]
	146	+)))|(% style="width:103px" %)(((
	147	+[[Built-in>>path:#SHT20_Humidity]]
	148	+
	149	+[[Humidity>>path:#SHT20_Humidity]]
	150	+)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
	151	+
227	227	* The First 6 bytes: has fix meanings for every LHT65N.
228	228	* The 7th byte (EXT #): defines the external sensor model.
229	229	* 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.)
230	230
231		-=== 2.4.1 Decoder in TTN V3 ===
	156	+=== Decoder in TTN V3 ===
232	232
233	233	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.
234	234
...	...	@@ -236,24 +236,37 @@
236	236
237	237	[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
238	238
239		-[[image:image-20220522234118-10.png||height="353" width="729"]]
	164	+[[image:image-20220522234118-10.png]]
240	240
241		-=== 2.4.2 BAT-Battery Info ===
242	242
	167	+=== BAT-Battery Info ===
	168	+
243	243	These two bytes of BAT include the battery state and the actually voltage
244	244
245		-[[image:image-20220523152839-18.png]]
	171	+(% style="width:646px" %)
	172	+|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
	173	+|Value|(% style="width:272px" %)(((
	174	+BAT Status
246	246
247		-[[image:image-20220522235639-1.png||height="139" width="727"]]
	176	+00(b): Ultra Low ( BAT <= 2.50v)
248	248
	178	+01(b): Low  (2.50v <=BAT <= 2.55v)
	179	+
	180	+10(b): OK   (2.55v <= BAT <=2.65v)
	181	+
	182	+11(b): Good   (BAT >= 2.65v)
	183	+)))|(% style="width:214px" %)Actually BAT voltage
	184	+
	185	+[[image:image-20220522235639-1.png]]
	186	+
249	249	Check the battery voltage for LHT65N.
250	250
251	251	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
252	252	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
253	253
254		-=== 2.4.3 Built-in Temperature ===
	192	+=== Built-in Temperature ===
255	255
256		-[[image:image-20220522235639-2.png||height="138" width="722"]]
	194	+[[image:image-20220522235639-2.png]]
257	257
258	258	* Temperature:  0x0ABB/100=27.47℃
259	259
...	...	@@ -261,92 +261,72 @@
261	261
262	262	* Temperature:  (0xF5C6-65536)/100=-26.18℃
263	263
264		-=== 2.4.4 Built-in Humidity ===
	202	+=== Built-in Humidity ===
265	265
266		-[[image:image-20220522235639-4.png||height="138" width="722"]]
	204	+[[image:image-20220522235639-4.png]]
267	267
268	268	* Humidity:    0x025C/10=60.4%
269	269
270		-=== 2.4.5 Ext # ===
	208	+=== Ext # ===
271	271
272	272	Bytes for External Sensor:
273	273
274		-[[image:image-20220523152822-17.png]]
	212	+(% style="width:624px" %)
	213	+|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
	214	+|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
	215	+|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
275	275
276		-=== 2.4.6 Ext value ===
	217	+=== Ext value ===
277	277
278		-==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
	219	+==== Ext~=1, E3 Temperature Sensor ====
279	279
280	280	[[image:image-20220522235639-5.png]]
281	281
	223	+
282	282	* DS18B20 temp=0x0ADD/100=27.81℃
283	283
284	284	The last 2 bytes of data are meaningless
285	285
	228	+
	229	+
286	286	[[image:image-20220522235639-6.png]]
287	287
288	288	* External temperature= (0xF54F-65536)/100=-27.37℃
289	289
290		-(((
291	291	The last 2 bytes of data are meaningless
292		-)))
293	293
294		-(((
	236	+
295	295	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		-)))
297	297
298	298
299		-==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
	240	+==== Ext~=9, E3 sensor with Unix Timestamp ====
300	300
301	301	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:
302	302
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		-)))
325	325
326		-(((
327		-[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
328		-)))
329		-)))|(% style="width:132px" %)(((
330		-(((
331		-BAT Status &
332		-)))
	245	+(% style="width:697px" %)
	246	+|(% 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**
	247	+|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
	248	+[[Built-In>>path:#SHT20_Temperature]]
333	333
334		-(((
335		-[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
	250	+[[Temperature>>path:#SHT20_Temperature]]
	251	+)))|(% style="width:106px" %)(((
	252	+[[BAT Status &>>path:#BAT_Humidity]]
	253	+
	254	+[[Built-in>>path:#BAT_Humidity]]
	255	+
	256	+[[Humidity>>path:#BAT_Humidity]]
	257	+)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
	258	+[[Unix>>path:#Unix_Time_Stamp]]
	259	+
	260	+[[Time Stamp>>path:#Unix_Time_Stamp]]
336	336	)))
337		-)))|(% style="width:54px" %)(((
338		-Status & Ext
339		-)))|(% style="width:64px" %)(((
340		-(((
341		-[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
342		-)))
343		-)))
344	344
345		-* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
	263	+* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
346	346
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" %)(((
	265	+(% style="width:587px" %)
	266	+|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
	267	+|Value|(% style="width:280px" %)(((
350	350	BAT Status
351	351
352	352	00(b): Ultra Low ( BAT <= 2.50v)
...	...	@@ -356,8 +356,8 @@
356	356	10(b): OK   (2.55v <= BAT <=2.65v)
357	357
358	358	11(b): Good   (BAT >= 2.65v)
359		-)))|(% style="width:134px" %)(((
360		-[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
	277	+)))|(% style="width:136px" %)(((
	278	+[[Built-in Humidity>>path:#SHT20_Humidity]]
361	361
362	362
363	363	)))
...	...	@@ -364,27 +364,29 @@
364	364
365	365	* **Status & Ext Byte**
366	366
367		-[[image:image-20220523152434-16.png]]
	285	+(% style="width:732px" %)
	286	+|(% 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]**
	287	+|(% 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" %)(((
	288	+Ext:
368	368
	290	+0b(1001)
	291	+)))
	292	+
369	369	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
370	370	* 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.
371	371	* 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)
372	372
373		-== 2.5 Show data on Datacake ==
	297	+== Show data on Datacake ==
374	374
375	375	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:
376	376
377		-(((
	301	+
378	378	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
379		-)))
380	380
381		-(((
382	382	**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		-)))
384	384
385		-(((
	306	+
386	386	Add Datacake:
387		-)))
388	388
389	389	[[image:image-20220523000825-7.png||height="262" width="583"]]
390	390
...	...	@@ -393,24 +393,21 @@
393	393
394	394	[[image:image-20220523000825-8.png||height="453" width="406"]]
395	395
	316	+
396	396	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
397	397
398	398	[[image:image-20220523000825-9.png||height="366" width="392"]]
399	399
400		-[[image:image-20220523000825-10.png||height="413" width="728"]]
401	401
402		-== 2.6 Datalog Feature ==
403	403
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.
	323	+[[image:image-20220523000825-10.png||height="432" width="762"]]
405	405
406		-=== 2.6.1 Ways to get datalog via LoRaWAN ===
407	407
408		-There are two methods:
	326	+== Datalog Feature ==
409	409
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.
	328	+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.
412	412
413		-=== 2.6.2 Unix TimeStamp ===
	330	+=== Unix TimeStamp ===
414	414
415	415	LHT65N uses Unix TimeStamp format based on
416	416
...	...	@@ -417,215 +417,100 @@
417	417	[[image:image-20220523001219-11.png||height="97" width="627"]]
418	418
419	419
420		-(((
421	421	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
422		-)))
423	423
424		-(((
425	425	Below is the converter example
426		-)))
427	427
428		-[[image:image-20220523001219-12.png||height="298" width="720"]]
	341	+[[image:image-20220523001219-12.png||height="353" width="853"]]
429	429
430	430	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
431	431
432		-=== 2.6.3 Set Device Time ===
433	433
434		-(((
	346	+=== Set Device Time ===
	347	+
435	435	There are two ways to set device’s time:
436		-)))
437	437
438		-(((
439	439	**~1. Through LoRaWAN MAC Command (Default settings)**
440		-)))
441	441
442		-(((
443	443	User need to set SYNCMOD=1 to enable sync time via MAC command.
444		-)))
445	445
446		-(((
447	447	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		-)))
449	449
450		-(((
451	451	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		-)))
453	453
454		-(((
455		-
456		-)))
457	457
458		-(((
459	459	**2. Manually Set Time**
460		-)))
461	461
462		-(((
463	463	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		-)))
465	465
466		-=== 2.6.4 Poll sensor value ===
467	467
	364	+=== Poll sensor value ===
	365	+
468	468	User can poll sensor value based on timestamps from the server. Below is the downlink command.
469	469
470		-[[image:image-20220523152302-15.png]]
471	471
472		-(((
	369	+(% style="width:454px" %)
	370	+|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
	371	+|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
	372	+
473	473	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		-)))
475	475
476		-(((
477		-For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
478		-)))
479	479
480		-(((
	376	+For example, downlink command 31 5FC5F350 5FC6 0160 05
	377	+
481	481	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
482		-)))
483	483
484		-(((
485	485	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
486		-)))
487	487
488	488
489		-=== 2.6.5 Datalog Uplink payload ===
	383	+=== Datalog Uplink payload ===
490	490
491	491	The Datalog poll reply uplink will use below payload format.
492	492
493		-(((
494		-**Retrieval data payload**
495		-)))
496	496
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		-)))
	388	+Retrieval data payload
537	537
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		-)))
	390	+|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
	391	+|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
	392	+[[Built-In>>path:#SHT20_Temperature]]
549	549
550		-(((
551		-(((
552		-[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
553		-)))
554		-)))
555		-)))|(% style="width:86px" %)(((
556		-(((
557		-[[Poll message flag & Ext>>||anchor="H2.6.4DatalogUplinkpayload"]]
558		-)))
559		-)))|(% style="width:48px" %)(((
560		-(((
561		-(((
562		-[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
563		-)))
564		-)))
	394	+[[Temperature>>path:#SHT20_Temperature]]
	395	+)))|(((
	396	+[[Built-in>>path:#SHT20_Humidity]]
565	565
566		-(((
567		-(((
	398	+[[Humidity>>path:#SHT20_Humidity]]
	399	+)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
	400	+[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
	401	+
568	568
569	569	)))
570		-)))
571		-)))
572	572
573		-**Poll message flag & Ext**
	405	+Poll message flag & Ext
574	574
575		-[[image:image-20220523152208-14.png]]
576	576
577		-(((
578		-(((
579		-Poll Message Flag: 1: This message is a poll message reply.
580		-)))
581		-)))
	408	+|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
	409	+|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
	410	+Ext:
582	582
583		-* (((
584		-(((
585		-Poll Message Flag is set to 1.
	412	+0b(1001)
586	586	)))
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		-)))
593	593
594		-(((
595		-(((
	415	+Poll Message Flag: 1: This message is a poll message reply.
	416	+
	417	+* Poll Message Flag is set to 1.
	418	+* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	419	+
596	596	For example, in US915 band, the max payload for different DR is:
597		-)))
598		-)))
599	599
600		-(((
601		-(((
602		-a) DR0: max is 11 bytes so one entry of data
603		-)))
604		-)))
	422	+a)      DR0: max is 11 bytes so one entry of data
605	605
606		-(((
607		-(((
608		-b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
609		-)))
610		-)))
	424	+b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
611	611
612		-(((
613		-(((
614		-c) DR2: total payload includes 11 entries of data
615		-)))
616		-)))
	426	+c)      DR2: total payload includes 11 entries of data
617	617
618		-(((
619		-(((
620		-d) DR3: total payload includes 22 entries of data.
621		-)))
622		-)))
	428	+d)      DR3: total payload includes 22 entries of data.
623	623
624		-(((
625		-(((
626	626	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
627		-)))
628		-)))
629	629
630	630
631	631	**Example:**
...	...	@@ -632,29 +632,37 @@
632	632
633	633	If LHT65N has below data inside Flash:
634	634
635		-[[image:image-20220523144455-1.png||height="335" width="735"]]
	437	+Flash Addr   |Unix Time | Ext | BAT voltage|  Value
636	636
637		-(((
638		-If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
639		-)))
	439	+80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
640	640
641		-(((
	441	+80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
	442	+
	443	+8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
	444	+
	445	+8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
	446	+
	447	+8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
	448	+
	449	+8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
	450	+
	451	+8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
	452	+
	453	+8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
	454	+
	455	+
	456	+If user sends below downlink command:
	457	+
	458	+3160065F9760066DA705
	459	+
642	642	Where : Start time: 60065F97 = time 21/1/19 04:27:03
643		-)))
644	644
645		-(((
646	646	Stop time 60066DA7= time 21/1/19 05:27:03
647		-)))
648	648
649		-(((
650		-
651		-)))
652	652
653		-(((
654	654	LHT65N will uplink this payload.
655		-)))
656	656
657		-[[image:image-20220523001219-13.png||height="421" width="727"]]
	467	+[[image:image-20220523001219-13.png]]
658	658
659	659	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
660	660
...	...	@@ -672,69 +672,49 @@
672	672
673	673	Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
674	674
675		-== 2.7 Alarm Mode ==
676	676
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.
	486	+== Alarm Mode ==
678	678
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		-)))
	488	+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.
682	682
683		-(((
684		-**AT Commands for Alarm mode:**
685		-)))
686	686
687		-(% class="box infomessage" %)
688		-(((
689		-(((
	491	+Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
	492	+
	493	+
	494	+AT Commands for Alarm mode:
	495	+
690	690	**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
691		-)))
692		-)))
693	693
694		-(% class="box infomessage" %)
695		-(((
696		-(((
697	697	**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
698		-)))
699		-)))
700	700
701		-== 2.8 LED Indicator ==
702	702
703		-(((
	501	+
	502	+== LED Indicator ==
	503	+
704	704	The LHT65N has a triple color LED which for easy shows different stage.
705		-)))
706	706
707		-(((
708	708	While pressing ACT button, the LED will work as per LED status with ACT button.
709		-)))
710	710
711		-(((
712	712	In a normal working state:
713		-)))
714	714
715		-* (((
716		-For each uplink, the BLUE LED or RED LED will blink once.
717		-)))
718		-* (((
719		-BLUE LED when an external sensor is connected
720		-)))
721		-* (((
722		-RED LED when an external sensor is not connected
723		-)))
724		-* (((
725		-For each success downlink, the PURPLE LED will blink once
726		-)))
	510	+* For each uplink, the BLUE LED or RED LED will blink once.
	511	+* BLUE LED when an external sensor is connected
	512	+* RED LED when an external sensor is not connected
	513	+* For each success downlink, the PURPLE LED will blink once
727	727
728	728	----
729	729
730		-== 2.9 Installation ==
	517	+== Installation ==
731	731
732	732	[[image:image-20220516231650-1.png||height="436" width="428"]]
733	733
734		-= 3. Sensors & Accessories =
735	735
736		-== 3.1 E3 Temperature Probe ==
737	737
	523	+
	524	+= Sensors & Accessories =
	525	+
	526	+== E3 Temperature Probe ==
	527	+
738	738	[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
739	739
740	740
...	...	@@ -747,117 +747,98 @@
747	747	* -55°C to 125°C
748	748	* Working voltage 2.35v ~~ 5v
749	749
750		-= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
	540	+= Configure LHT65N via AT Command or LoRaWAN Downlink =
751	751
752		-(((
753	753	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
754		-)))
755	755
756		-* (((
757		-AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
758		-)))
759		-* (((
760		-LoRaWAN Downlink instruction for different platforms:
761		-)))
	544	+* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
	545	+* LoRaWAN Downlink instruction for different platforms:
762	762
763		-(((
764	764	[[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]]
765		-)))
766	766
767		-(((
	549	+
768	768	There are two kinds of commands to configure LHT65N, they are:
769		-)))
770	770
771		-(((
772		-(% style="color:#4f81bd" %)* **General Commands**.
773		-)))
	552	+* **General Commands**.
774	774
775		-(((
776	776	These commands are to configure:
777		-)))
778	778
779		-* (((
780		-General system settings like: uplink interval.
781		-)))
782		-* (((
783		-LoRaWAN protocol & radio-related commands.
784		-)))
	556	+* General system settings like: uplink interval.
	557	+* LoRaWAN protocol & radio-related commands.
785	785
786		-(((
787	787	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
788		-)))
789	789
790		-(((
791	791	[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
792		-)))
793	793
794		-(((
795		-(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
796		-)))
797	797
798		-(((
	564	+
	565	+* **Commands special design for LHT65N**
	566	+
799	799	These commands are only valid for LHT65N, as below:
800		-)))
801	801
802		-== 4.1 Set Transmit Interval Time ==
803	803
	570	+== Set Transmit Interval Time ==
	571	+
804	804	Feature: Change LoRaWAN End Node Transmit Interval.
805	805
806	806	**AT Command: AT+TDC**
807	807
808		-[[image:image-20220523150701-2.png]]
	576	+|**Command Example**|**Function**|**Response**
	577	+|AT+TDC?|Show current transmit Interval|(((
	578	+30000
809	809
810		-(((
811		-**Downlink Command: 0x01**
	580	+OK
	581	+
	582	+the interval is 30000ms = 30s
812	812	)))
	584	+|AT+TDC=60000|Set Transmit Interval|(((
	585	+OK
813	813
814		-(((
815		-Format: Command Code (0x01) followed by 3 bytes time value.
	587	+Set transmit interval to 60000ms = 60 seconds
816	816	)))
817	817
818		-(((
	590	+
	591	+**Downlink Command: 0x01**
	592	+
	593	+Format: Command Code (0x01) followed by 3 bytes time value.
	594	+
819	819	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
820		-)))
821	821
822		-* (((
823		-**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
824		-)))
825		-* (((
826		-**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
827		-)))
	597	+* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	598	+* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
828	828
829		-== 4.2 Set External Sensor Mode ==
830	830
	601	+== Set External Sensor Mode ==
	602	+
831	831	Feature: Change External Sensor Mode.
832	832
833	833	**AT Command: AT+EXT**
834	834
835		-[[image:image-20220523150759-3.png]]
	607	+|**Command Example**|**Function**|**Response**
	608	+|AT+EXT?|Get current external sensor mode|(((
	609	+1
836	836
837		-(((
838		-**Downlink Command: 0xA2**
	611	+OK
	612	+
	613	+External Sensor mode =1
839	839	)))
	615	+|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
	616	+|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
840	840
841		-(((
	618	+
	619	+**Downlink Command: 0xA2**
	620	+
842	842	Total bytes: 2 ~~ 5 bytes
843		-)))
844	844
845		-(((
846		-**Example:**
847		-)))
	623	+Example:
848	848
849		-* (((
850		-0xA201: Set external sensor type to E1
851		-)))
852		-* (((
853		-0xA209: Same as AT+EXT=9
854		-)))
855		-* (((
856		-0xA20702003c,Same as AT+SETCNT=60
857		-)))
	625	+* 0xA201: Set external sensor type to E1
	626	+* 0xA209: Same as AT+EXT=9
	627	+* 0xA20702003c,Same as AT+SETCNT=60
858	858
859		-== 4.3 Enable/Disable uplink Temperature probe ID ==
860	860
	630	+== Enable/Disable uplink Temperature probe ID ==
	631	+
861	861	Feature: If PID is enabled, device will send the temperature probe ID on:
862	862
863	863	* First Packet after OTAA Join
...	...	@@ -865,83 +865,110 @@
865	865
866	866	PID is default set to disable (0)
867	867
	639	+
868	868	**AT Command:**
869	869
870		-[[image:image-20220523150928-4.png]]
	642	+|**Command Example**|**Function**|**Response**
	643	+|AT+PID=1|Enable PID uplink|OK
871	871
	645	+
872	872	**Downlink Command:**
873	873
874		-* 0xA800  **~-~->** AT+PID=0
875		-* 0xA801     **~-~->** AT+PID=1
	648	+* 0xA800     à AT+PID=0
	649	+* 0xA801     à AT+PID=1
876	876
877		-== 4.4 Set Password ==
878	878
	652	+
	653	+== Set Password ==
	654	+
879	879	Feature: Set device password, max 9 digits
880	880
881	881	**AT Command: AT+PWORD**
882	882
883		-[[image:image-20220523151052-5.png]]
	659	+|**Command Example**|**Function**|**Response**
	660	+|AT+PWORD=?|Show password|(((
	661	+123456
884	884
885		-(((
886		-**Downlink Command:**
	663	+
	664	+OK
887	887	)))
	666	+|AT+PWORD=999999|Set password|OK
888	888
889		-(((
	668	+
	669	+**Downlink Command:**
	670	+
890	890	No downlink command for this feature.
891		-)))
892	892
893		-== 4.5 Quit AT Command ==
894	894
	674	+== Quit AT Command ==
	675	+
895	895	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
896	896
897	897	**AT Command: AT+DISAT**
898	898
899		-[[image:image-20220523151132-6.png]]
	680	+|**Command Example**|**Function**|**Response**
	681	+|AT+DISAT|Quit AT Commands mode|OK
900	900
	683	+
901	901	**Downlink Command:**
902	902
903	903	No downlink command for this feature.
904	904
905		-== 4.6 Set to sleep mode ==
906	906
	689	+== Set to sleep mode ==
	690	+
907	907	Feature: Set device to sleep mode
908	908
909	909	**AT Command: AT+SLEEP**
910	910
911		-[[image:image-20220523151218-7.png]]
	695	+| | |
	696	+|**Command Example**|**Function**|**Response**
	697	+|AT+SLEEP|Set to sleep mode|(((
	698	+Clear all stored sensor data…
912	912
	700	+OK
	701	+)))
	702	+
	703	+
913	913	**Downlink Command:**
914	914
915	915	* There is no downlink command to set to Sleep mode.
916	916
917		-== 4.7 Set system time ==
918	918
	709	+
	710	+== Set system time ==
	711	+
919	919	Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
920	920
921	921	**AT Command:**
922	922
923		-[[image:image-20220523151253-8.png]]
	716	+|**Command Example**|**Function**
	717	+|AT+TIMESTAMP=1611104352|(((
	718	+OK
924	924
	720	+Set System time to 2021-01-20 00:59:12
	721	+)))
	722	+
	723	+
925	925	**Downlink Command:**
926	926
927	927	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
928	928
929		-== 4.8 Set Time Sync Mode ==
930	930
931		-(((
	729	+== Set Time Sync Mode ==
	730	+
932	932	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
933		-)))
934	934
935		-(((
	733	+
936	936	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.
937		-)))
938	938
939		-(((
	736	+
940	940	**AT Command:**
941		-)))
942	942
943		-[[image:image-20220523151336-9.png]]
	739	+|**Command Example**|**Function**
	740	+|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
944	944
	742	+
945	945	**Downlink Command:**
946	946
947	947	0x28 01 ~/~/ Same As AT+SYNCMOD=1
...	...	@@ -948,186 +948,202 @@
948	948
949	949	0x28 00 ~/~/ Same As AT+SYNCMOD=0
950	950
951		-== 4.9 Set Time Sync Interval ==
952	952
	750	+== Set Time Sync Interval ==
	751	+
953	953	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
954	954
955	955	**AT Command:**
956	956
957		-[[image:image-20220523151411-10.png]]
	756	+|**Command Example**|**Function**
	757	+|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
958	958
	759	+
959	959	**Downlink Command:**
960	960
961	961	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
962	962
963		-== 4.10 Print data entries base on page. ==
964	964
	765	+== Print data entries base on page. ==
	766	+
965	965	Feature: Print the sector data from start page to stop page (max is 416 pages).
966	966
967	967	**AT Command: AT+PDTA**
968	968
969		-[[image:image-20220523151450-11.png]]
	771	+|**Command Example**|**Response**
	772	+|(((
	773	+AT+PDTA=1,3
970	970
	775	+
	776	+
	777	+Print page 1 to 3
	778	+)))|(((
	779	+8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
	780	+
	781	+8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
	782	+
	783	+8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
	784	+
	785	+8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
	786	+
	787	+8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
	788	+
	789	+8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
	790	+
	791	+8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
	792	+
	793	+8019570
	794	+
	795	+8019580
	796	+
	797	+8019590
	798	+
	799	+80195A0
	800	+
	801	+80195B0
	802	+
	803	+80195C0
	804	+
	805	+80195D0
	806	+
	807	+80195E0
	808	+
	809	+80195F0
	810	+
	811	+
	812	+OK
	813	+)))
	814	+
	815	+
971	971	**Downlink Command:**
972	972
973	973	No downlink commands for feature
974	974
975		-== 4.11 Print last few data entries. ==
976	976
	821	+
	822	+== Print last few data entries. ==
	823	+
977	977	Feature: Print the last few data entries
978	978
979	979	**AT Command: AT+PLDTA**
980	980
981		-[[image:image-20220523151524-12.png]]
	828	+|**Command Example**|**Response**
	829	+|(((
	830	+AT+PLDTA=5
982	982
	832	+
	833	+
	834	+Print last 5 entries
	835	+)))|(((
	836	+Stop Tx and RTP events when read sensor data
	837	+
	838	+1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
	839	+
	840	+2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
	841	+
	842	+3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
	843	+
	844	+4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
	845	+
	846	+5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
	847	+
	848	+Start Tx and RTP events
	849	+
	850	+OK
	851	+)))
	852	+
	853	+
983	983	**Downlink Command:**
984	984
985	985	No downlink commands for feature
986	986
987		-== 4.12 Clear Flash Record ==
988	988
	859	+
	860	+== Clear Flash Record ==
	861	+
989	989	Feature: Clear flash storage for data log feature.
990	990
991	991	**AT Command: AT+CLRDTA**
992	992
993		-[[image:image-20220523151556-13.png]]
	866	+|**Command Example**|**Function**|**Response**
	867	+|AT+CLRDTA|Clear date record|(((
	868	+Clear all stored sensor data…
994	994
	870	+OK
	871	+)))
	872	+
	873	+
995	995	**Downlink Command: 0xA3**
996	996
997	997	* Example: 0xA301 ~/~/Same as AT+CLRDTA
998	998
999		-== 4.13 Auto Send None-ACK messages ==
1000	1000
1001		-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.
1002	1002
1003	1003
1004		-**AT Command: AT+PNACKMD**
	881	+= Battery & How to replace =
1005	1005
1006		-The default factory setting is 0
	883	+== Battery Type ==
1007	1007
1008		-(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1009		-|=(% style="width: 171px;" %)**Command Example**|=(% style="width: 219px;" %)**Function**|=(% style="width: 119px;" %)**Response**
1010		-|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:119px" %)OK
1011		-
1012		-**Downlink Command: 0x34**
1013		-
1014		-* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1015		-
1016		-= 5. Battery & How to replace =
1017		-
1018		-== 5.1 Battery Type ==
1019		-
1020	1020	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.
1021	1021
1022		-(((
1023	1023	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1024	1024	[[image:image-20220515075034-1.png||height="208" width="644"]]
1025		-)))
1026	1026
1027		-(((
	890	+
1028	1028	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1029	1029
1030		-)))
1031	1031
1032		-== 5.2 Replace Battery ==
	894	+== Replace Battery ==
1033	1033
1034	1034	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.
1035	1035
1036	1036	[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1037	1037
1038		-== 5.3 Battery Life Analyze ==
1039	1039
1040		-(((
	901	+== Battery Life Analyze ==
	902	+
1041	1041	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:
1042	1042	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1043		-)))
1044	1044
1045		-= 6. Order Info =
1046	1046
1047		-(((
1048		-Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1049		-)))
	907	+= Order Info =
1050	1050
1051		-(((
1052		-(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1053		-)))
	909	+Part Number: (% class="mark" %)**LHT65N-XX**
1054	1054
1055		-* (((
1056		-(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1057		-)))
1058		-* (((
1059		-(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1060		-)))
1061		-* (((
1062		-(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1063		-)))
1064		-* (((
1065		-(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1066		-)))
1067		-* (((
1068		-(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1069		-)))
1070		-* (((
1071		-(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1072		-)))
1073		-* (((
1074		-(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1075		-)))
1076		-* (((
1077		-(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1078		-)))
	911	+**XX**: The default frequency band
1079	1079
1080		-(((
1081		-(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1082		-)))
	913	+* **AS923**: LoRaWAN AS923 band
	914	+* **AU915**: LoRaWAN AU915 band
	915	+* **EU433**: LoRaWAN EU433 band
	916	+* **EU868**: LoRaWAN EU868 band
	917	+* **KR920**: LoRaWAN KR920 band
	918	+* **US915**: LoRaWAN US915 band
	919	+* **IN865**: LoRaWAN IN865 band
	920	+* **CN470**: LoRaWAN CN470 band
1083	1083
1084		-* (((
1085		-(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1086		-)))
	922	+**YY**: Sensor Accessories
1087	1087
1088		-= 7. Packing Info =
	924	+* **E3**: External Temperature Probe
1089	1089
1090		-(((
	926	+= Packing Info =
	927	+
1091	1091	**Package Includes**:
1092		-)))
1093	1093
1094		-* (((
1095		-LHT65N Temperature & Humidity Sensor x 1
1096		-)))
1097		-* (((
1098		-Program cable x 1
1099		-)))
1100		-* (((
1101		-Optional external sensor
1102		-)))
	930	+* LHT65N Temperature & Humidity Sensor x 1
	931	+* Program cable x 1
	932	+* Optional external sensor
1103	1103
1104		-(((
1105	1105	**Dimension and weight**:
1106		-)))
1107	1107
1108		-* (((
1109		-Device Size:  13.5 x 7 x 3 cm
1110		-)))
1111		-* (((
1112		-Device Weight: 105g
1113		-)))
1114		-* (((
1115		-Package Size / pcs : 14.5 x 8 x 5 cm
1116		-)))
1117		-* (((
1118		-Weight / pcs : 170g
1119		-)))
	936	+* Device Size:  13.5 x 7 x 3 cm
	937	+* Device Weight: 105g
	938	+* Package Size / pcs : 14.5 x 8 x 5 cm
	939	+* Weight / pcs : 170g
1120	1120
1121		-= 8. FCC Warning =
	941	+= FCC Warning =
1122	1122
1123		-(((
1124	1124	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1125		-)))
1126	1126
1127		-(((
1128		-(1) This device may not cause harmful interference；
1129		-)))
	945	+(1) This device may not cause harmful interference, and
1130	1130
1131		-(((
1132		-(2) this device must accept any interference received, including interference that may cause undesired operation.
1133		-)))
	947	+(2) this device must accept any interference received, including interference that may cause undesired operation

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