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Details

Page properties

Author

...	...	@@ -1,1 +1,1 @@
1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

...	...	@@ -1,30 +1,54 @@
1	1	(% style="text-align:center" %)
2		-[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
	2	+[[image:image-20220523115324-1.jpeg||_mstalt="469677" height="317" width="317"]]
3	3
4		-{{box cssClass="floatinginfobox" title="**Contents**"}}
5		-{{toc/}}
6		-{{/box}}
7	7
	5	+(% _msthash="315237" _msttexthash="1697033" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
	6	+
	7	+
	8	+
	9	+
	10	+(% _msthash="315238" _msttexthash="18964465" %)**Table of Contents：**
	11	+
8	8	{{toc/}}
9	9
10		-= 1.Introduction =
11	11
12		-== 1.1 What is LHT65N Temperature & Humidity Sensor ==
13	13
14	14
15		-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**(%%)**.**
	17	+= (% _msthash="277498" _msttexthash="253045" %)1. Introduction(%%) =
16	16
	19	+== (% _msthash="1532895" _msttexthash="1426958" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
	20	+
	21	+(((
	22	+(% _msthash="506051" _msttexthash="24333127" %)
	23	+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**(%%)**.**
	24	+)))
	25	+
	26	+(((
	27	+(% _msthash="506052" _msttexthash="66005810" %)
17	17	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.
	29	+)))
18	18
	31	+(((
	32	+(% _msthash="506053" _msttexthash="4298047" %)
19	19	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
	34	+)))
20	20
	36	+(((
	37	+(% _msthash="506054" _msttexthash="6016374" %)
21	21	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
	39	+)))
22	22
23		-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.
	41	+(((
	42	+(% _msthash="506055" _msttexthash="17023136" %)
	43	+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.
	44	+)))
24	24
	46	+(((
	47	+(% _msthash="506056" _msttexthash="5557097" %)
25	25	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
	49	+)))
26	26
27		-== 1.2 Features ==
	51	+== (% _msthash="182559" _msttexthash="163319" %)1.2 Features(%%) ==
28	28
29	29	* Wall mountable
30	30	* LoRaWAN v1.0.3 Class A protocol
...	...	@@ -38,895 +38,1245 @@
38	38	* Tri-color LED to indicate working status
39	39	* Datalog feature
40	40
41		-== 1.3 Specification ==
	65	+== (% _msthash="323570" _msttexthash="297635" %)1.3 Specification(%%) ==
42	42
43		-**Built-in Temperature Sensor:**
	67	+(((
	68	+(% _msthash="506057" _msttexthash="671437" %)**Built-in Temperature Sensor:**
	69	+)))
44	44
45		-* Resolution: 0.01 °C
46		-* Accuracy Tolerance : Typ ±0.3 °C
47		-* Long Term Drift: < 0.02 °C/yr
48		-* Operating Range: -40 ~~ 85 °C
	71	+* (((
	72	+(% _msthash="902993" _msttexthash="294424" %)
	73	+Resolution: 0.01 °C
	74	+)))
	75	+* (((
	76	+(% _msthash="902994" _msttexthash="690664" %)
	77	+Accuracy Tolerance : Typ ±0.3 °C
	78	+)))
	79	+* (((
	80	+(% _msthash="902995" _msttexthash="504647" %)
	81	+Long Term Drift: < 0.02 °C/yr
	82	+)))
	83	+* (((
	84	+(% _msthash="902996" _msttexthash="478257" %)
	85	+Operating Range: -40 ~~ 85 °C
	86	+)))
49	49
50		-**Built-in Humidity Sensor:**
	88	+(((
	89	+(% _msthash="506058" _msttexthash="544453" %)**Built-in Humidity Sensor:**
	90	+)))
51	51
52		-* Resolution: 0.04 %RH
53		-* Accuracy Tolerance : Typ ±3 %RH
54		-* Long Term Drift: < 0.02 °C/yr
55		-* Operating Range: 0 ~~ 96 %RH
	92	+* (((
	93	+(% _msthash="902997" _msttexthash="282438" %)
	94	+Resolution: 0.04 %RH
	95	+)))
	96	+* (((
	97	+(% _msthash="902998" _msttexthash="628771" %)
	98	+Accuracy Tolerance : Typ ±3 %RH
	99	+)))
	100	+* (((
	101	+(% _msthash="902999" _msttexthash="504647" %)
	102	+Long Term Drift: < 0.02 °C/yr
	103	+)))
	104	+* (((
	105	+(% _msthash="903000" _msttexthash="421291" %)
	106	+Operating Range: 0 ~~ 96 %RH
	107	+)))
56	56
57		-**External Temperature Sensor:**
	109	+(((
	110	+(% _msthash="506059" _msttexthash="680537" %)**External Temperature Sensor:**
	111	+)))
58	58
59		-* Resolution: 0.0625 °C
60		-* ±0.5°C accuracy from -10°C to +85°C
61		-* ±2°C accuracy from -55°C to +125°C
62		-* Operating Range: -55 °C ~~ 125 °C
	113	+* (((
	114	+(% _msthash="903001" _msttexthash="332254" %)
	115	+Resolution: 0.0625 °C
	116	+)))
	117	+* (((
	118	+(% _msthash="903002" _msttexthash="782600" %)
	119	+±0.5°C accuracy from -10°C to +85°C
	120	+)))
	121	+* (((
	122	+(% _msthash="903003" _msttexthash="729482" %)
	123	+±2°C accuracy from -55°C to +125°C
	124	+)))
	125	+* (((
	126	+(% _msthash="903004" _msttexthash="592540" %)
	127	+Operating Range: -55 °C ~~ 125 °C
	128	+)))
63	63
64		-= 2. Connect LHT65N to IoT Server =
	130	+= (% _msthash="655759" _msttexthash="618618" %)2. Connect LHT65N to IoT Server(%%) =
65	65
66		-== 2.1 How does LHT65N work? ==
	132	+== (% _msthash="462371" _msttexthash="410332" %)2.1 How does LHT65N work?(%%) ==
67	67
	134	+(((
	135	+(% _msthash="506060" _msttexthash="28254538" %)
68	68	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.
	137	+)))
69	69
	139	+(((
	140	+(% _msthash="506061" _msttexthash="48200724" %)
70	70	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.
	142	+)))
71	71
	144	+== (% _msthash="514384" _msttexthash="458666" %)2.2 How to Activate LHT65N?(%%) ==
72	72
73		-== 2.2 How to Activate LHT65N? ==
74		-
	146	+(% _msthash="315239" _msttexthash="748241" %)
75	75	The LHT65N has two working modes:
76	76
77	77	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
78	78	* **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.
79	79
	152	+(((
	153	+(% _msthash="506062" _msttexthash="6036823" %)
80	80	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
	155	+)))
81	81
82		-[[image:image-20220515123819-1.png||height="379" width="317"]]
	157	+[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
83	83
84		-(% border="1" %)
85		-|**Behavior on ACT**|**Function**|**Action**
86		-|**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.
87		-|**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.
88		-|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
	159	+[[image:image-20220525110604-2.png||_mstalt="427531"]]
89	89
90		-== 2.3 Example to join LoRaWAN network ==
	161	+== (% _msthash="882726" _msttexthash="838526" %)2.3 Example to join LoRaWAN network(%%) ==
91	91
92		-(% class="wikigeneratedid" %)
	163	+(% _msthash="315240" _msttexthash="9205482" class="wikigeneratedid" %)
93	93	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.
94	94
95	95	(% class="wikigeneratedid" %)
96		-[[image:image-20220522232442-1.png||height="387" width="648"]]
	167	+[[image:image-20220522232442-1.png||_mstalt="427830" height="387" width="648"]]
97	97
	169	+(% _msthash="315241" _msttexthash="10802155" %)
98	98	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:
99	99
100	100
101		-=== **2.3.1 Step 1**: Create Device n TTN ===
	173	+=== (% _msthash="670592" _msttexthash="634075" %)2.3.1 Step 1: Create Device n TTN(%%) ===
102	102
	175	+(% _msthash="315242" _msttexthash="1601782" %)
103	103	Create a device in TTN V3 with the OTAA keys from LHT65N.
104	104
	178	+(% _msthash="315243" _msttexthash="3694444" %)
105	105	Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
106	106
107		-[[image:image-20220522232812-2.png||height="219" width="279"]]
	181	+[[image:image-20220522232812-2.png||_mstalt="428467" height="219" width="279"]]
108	108
	183	+(% _msthash="315244" _msttexthash="3659149" %)
109	109	User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
110	110
	186	+(% _msthash="315245" _msttexthash="642889" %)
111	111	Add APP EUI in the application.
112	112
113		-[[image:image-20220522232916-3.png]]
	189	+[[image:image-20220522232916-3.png||_mstalt="430495"]]
114	114
	191	+[[image:image-20220522232932-4.png||_mstalt="430157"]]
115	115
116		-[[image:image-20220522232932-4.png]]
	193	+[[image:image-20220522232954-5.png||_mstalt="431847"]]
117	117
118		-
119		-[[image:image-20220522232954-5.png]]
120		-
	195	+(% _msthash="315246" _msttexthash="878800" %)
121	121	Note: LHT65N use same payload as LHT65.
122	122
123		-[[image:image-20220522233026-6.png]]
	198	+[[image:image-20220522233026-6.png||_mstalt="429403"]]
124	124
125	125
	201	+(% _msthash="315247" _msttexthash="595543" %)
126	126	Input APP EUI,  APP KEY and DEV EUI:
127	127
128		-[[image:image-20220522233118-7.png]]
	204	+[[image:image-20220522233118-7.png||_mstalt="430430"]]
129	129
130	130
131		-=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
	207	+=== (% _msthash="3537456" _msttexthash="3448549" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
132	132
	209	+(% _msthash="315248" _msttexthash="14452321" %)
133	133	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.
134	134
135		-[[image:image-20220522233300-8.png]]
	212	+[[image:image-20220522233300-8.png||_mstalt="428389" height="219" width="722"]]
136	136
137	137
138		-== Uplink Payload: ==
	215	+== (% _msthash="320879" _msttexthash="294970" %)2.4 Uplink Payload(%%) ==
139	139
140		-The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
	217	+(% _msthash="315249" _msttexthash="7722962" %)
	218	+The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
141	141
142		-After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
	220	+(% _msthash="315250" _msttexthash="1322711" %)
	221	+After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
143	143
	223	+(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
	224	+|(% style="width:97px" %)(((
	225	+(% _msthash="1817478" _msttexthash="161122" %)**Size(bytes)**
	226	+)))|(% style="width:39px" %)(((
	227	+(% _msthash="1817479" _msttexthash="4550" %)**2**
	228	+)))|(% style="width:100px" %)(((
	229	+(% _msthash="1817480" _msttexthash="4550" %)**2**
	230	+)))|(% style="width:77px" %)(((
	231	+(% _msthash="1817481" _msttexthash="4550" %)**2**
	232	+)))|(% style="width:47px" %)(((
	233	+(% _msthash="1817482" _msttexthash="4459" %)**1**
	234	+)))|(% style="width:51px" %)(((
	235	+(% _msthash="1817483" _msttexthash="4732" %)**4**
	236	+)))
	237	+|(% style="width:97px" %)(((
	238	+(% _msthash="1817484" _msttexthash="60203" %)**Value**
	239	+)))|(% style="width:39px" %)(((
	240	+[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594"]]
	241	+)))|(% style="width:100px" %)(((
	242	+(((
	243	+[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769"]]
	244	+)))
	245	+)))|(% style="width:77px" %)(((
	246	+(((
	247	+[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872"]]
	248	+)))
144	144
145		-(% style="width:572px" %)
146		-|(% 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**
147		-|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
148		-[[Built-In>>path:#SHT20_Temperature]]
	250	+(((
	251	+[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429"]]
	252	+)))
	253	+)))|(% style="width:47px" %)(((
	254	+[[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331"]] #
	255	+)))|(% style="width:51px" %)(((
	256	+[[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545"]]
	257	+)))
149	149
150		-[[Temperature>>path:#SHT20_Temperature]]
151		-)))|(% style="width:103px" %)(((
152		-[[Built-in>>path:#SHT20_Humidity]]
153		-
154		-[[Humidity>>path:#SHT20_Humidity]]
155		-)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
156		-
157	157	* The First 6 bytes: has fix meanings for every LHT65N.
158	158	* The 7th byte (EXT #): defines the external sensor model.
159		-* 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.)
	261	+* The 8(% _msthash="734721" _msttexthash="21372" %)^^th^^(%%) ~~ 11(% _msthash="734864" _msttexthash="21372" %)^^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.)
160	160
161		-=== Decoder in TTN V3 ===
	263	+=== (% _msthash="360269" _msttexthash="333762" %)2.4.1 Decoder in TTN V3(%%) ===
162	162
	265	+(% _msthash="315251" _msttexthash="9786491" %)
163	163	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.
164	164
	268	+(% _msthash="315252" _msttexthash="3928483" %)
165	165	Below is the position to put the decoder and LHT65N decoder can be download from here:
166	166
167		-[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
	271	+[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064"]]
168	168
169		-[[image:image-20220522234118-10.png]]
	273	+[[image:image-20220522234118-10.png||_mstalt="451464" height="353" width="729"]]
170	170
	275	+=== (% _msthash="411411" _msttexthash="383656" %)2.4.2 BAT-Battery Info(%%) ===
171	171
172		-=== BAT-Battery Info ===
173		-
	277	+(% _msthash="315254" _msttexthash="3122912" %)
174	174	These two bytes of BAT include the battery state and the actually voltage
175	175
176		-(% style="width:646px" %)
177		-|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
178		-|Value|(% style="width:272px" %)(((
179		-BAT Status
	280	+[[image:image-20220523152839-18.png||_mstalt="457613"]]
180	180
181		-00(b): Ultra Low ( BAT <= 2.50v)
	282	+[[image:image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
182	182
183		-01(b): Low  (2.50v <=BAT <= 2.55v)
184		-
185		-10(b): OK   (2.55v <= BAT <=2.65v)
186		-
187		-11(b): Good   (BAT >= 2.65v)
188		-)))|(% style="width:214px" %)Actually BAT voltage
189		-
190		-[[image:image-20220522235639-1.png]]
191		-
	284	+(% _msthash="315255" _msttexthash="871611" %)
192	192	Check the battery voltage for LHT65N.
193	193
194	194	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
195	195	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
196	196
197		-=== Built-in Temperature ===
	290	+=== (% _msthash="600769" _msttexthash="565838" %)2.4.3 Built-in Temperature(%%) ===
198	198
199		-[[image:image-20220522235639-2.png]]
	292	+[[image:image-20220522235639-2.png||_mstalt="431756" height="138" width="722"]]
200	200
201	201	* Temperature:  0x0ABB/100=27.47℃
202	202
203		-[[image:image-20220522235639-3.png]]
	296	+[[image:image-20220522235639-3.png||_mstalt="432120"]]
204	204
205	205	* Temperature:  (0xF5C6-65536)/100=-26.18℃
206	206
207		-=== Built-in Humidity ===
	300	+=== (% _msthash="475891" _msttexthash="445120" %)2.4.4 Built-in Humidity(%%) ===
208	208
209		-[[image:image-20220522235639-4.png]]
	302	+[[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
210	210
211	211	* Humidity:    0x025C/10=60.4%
212	212
213		-=== Ext # ===
	306	+=== (% _msthash="116532" _msttexthash="87958" %)2.4.5 Ext #(%%) ===
214	214
	308	+(% _msthash="315256" _msttexthash="552240" %)
215	215	Bytes for External Sensor:
216	216
217		-(% style="width:624px" %)
218		-|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
219		-|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
220		-|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
	311	+[[image:image-20220523152822-17.png||_mstalt="454545"]]
221	221
222		-=== Ext value ===
	313	+=== (% _msthash="221429" _msttexthash="200655" %)2.4.6 Ext value(%%) ===
223	223
224		-==== Ext~=1, E3 Temperature Sensor ====
	315	+==== (% _msthash="1005901" _msttexthash="877578" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
225	225
226		-[[image:image-20220522235639-5.png]]
	317	+[[image:image-20220522235639-5.png||_mstalt="432848"]]
227	227
228		-
229	229	* DS18B20 temp=0x0ADD/100=27.81℃
230	230
	321	+(% _msthash="315257" _msttexthash="1038479" %)
231	231	The last 2 bytes of data are meaningless
232	232
	324	+[[image:image-20220522235639-6.png||_mstalt="433212"]]
233	233
234		-
235		-[[image:image-20220522235639-6.png]]
236		-
237	237	* External temperature= (0xF54F-65536)/100=-27.37℃
238	238
	328	+(((
	329	+(% _msthash="506063" _msttexthash="1038479" %)
239	239	The last 2 bytes of data are meaningless
	331	+)))
240	240
241		-
	333	+(((
	334	+(% _msthash="506064" _msttexthash="21185632" %)
242	242	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
	336	+)))
243	243
244	244
245		-==== Ext~=9, E3 sensor with Unix Timestamp ====
	339	+==== (% _msthash="1389752" _msttexthash="1234766" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
246	246
	341	+(% _msthash="315258" _msttexthash="41539368" %)
247	247	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:
248	248
	344	+(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
	345	+|(% style="width:96px" %)(((
	346	+(% _msthash="1817488" _msttexthash="161122" %)**Size(bytes)**
	347	+)))|(% style="width:71px" %)(((
	348	+(% _msthash="1817489" _msttexthash="4550" %)**2**
	349	+)))|(% style="width:99px" %)(((
	350	+(% _msthash="1817490" _msttexthash="4550" %)**2**
	351	+)))|(% style="width:132px" %)(((
	352	+(% _msthash="1817491" _msttexthash="4550" %)**2**
	353	+)))|(% style="width:54px" %)(((
	354	+(% _msthash="1817492" _msttexthash="4459" %)**1**
	355	+)))|(% style="width:64px" %)(((
	356	+(% _msthash="1817493" _msttexthash="4732" %)**4**
	357	+)))
	358	+|(% style="width:96px" %)(((
	359	+(% _msthash="1817494" _msttexthash="60203" %)**Value**
	360	+)))|(% style="width:71px" %)(((
	361	+[[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517"]]
	362	+)))|(% style="width:99px" %)(((
	363	+(((
	364	+[[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464"]]
	365	+)))
249	249
250		-(% style="width:697px" %)
251		-|(% 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**
252		-|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
253		-[[Built-In>>path:#SHT20_Temperature]]
	367	+(((
	368	+[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041"]]
	369	+)))
	370	+)))|(% style="width:132px" %)(((
	371	+(((
	372	+(% _msthash="2224747" _msttexthash="136331" %)
	373	+BAT Status &
	374	+)))
254	254
255		-[[Temperature>>path:#SHT20_Temperature]]
256		-)))|(% style="width:106px" %)(((
257		-[[BAT Status &>>path:#BAT_Humidity]]
258		-
259		-[[Built-in>>path:#BAT_Humidity]]
260		-
261		-[[Humidity>>path:#BAT_Humidity]]
262		-)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
263		-[[Unix>>path:#Unix_Time_Stamp]]
264		-
265		-[[Time Stamp>>path:#Unix_Time_Stamp]]
	376	+(((
	377	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181"]]
266	266	)))
	379	+)))|(% style="width:54px" %)(((
	380	+(% _msthash="1817496" _msttexthash="147225" %)
	381	+Status & Ext
	382	+)))|(% style="width:64px" %)(((
	383	+(((
	384	+[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175"]]
	385	+)))
	386	+)))
267	267
268		-* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
	388	+* (% _msthash="504958" _msttexthash="857922" %)**Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
269	269
270		-(% style="width:587px" %)
271		-|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
272		-|Value|(% style="width:280px" %)(((
	390	+(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
	391	+|(% _msthash="1230918" _msttexthash="93158" style="width:65px" %)Bit(bit)|(% _msthash="1230919" _msttexthash="57954" style="width:267px" %)[15:14]|(% _msthash="1230920" _msttexthash="48022" style="width:134px" %)[11:0]
	392	+|(% _msthash="1230921" _msttexthash="60203" style="width:65px" %)Value|(% style="width:267px" %)(((
	393	+(% _msthash="1817497" _msttexthash="128427" %)
273	273	BAT Status
274	274
	396	+(% _msthash="1817498" _msttexthash="472784" %)
275	275	00(b): Ultra Low ( BAT <= 2.50v)
276	276
	399	+(% _msthash="1817499" _msttexthash="483678" %)
277	277	01(b): Low  (2.50v <=BAT <= 2.55v)
278	278
	402	+(% _msthash="1817500" _msttexthash="440791" %)
279	279	10(b): OK   (2.55v <= BAT <=2.65v)
280	280
	405	+(% _msthash="1817501" _msttexthash="334191" %)
281	281	11(b): Good   (BAT >= 2.65v)
282		-)))|(% style="width:136px" %)(((
283		-[[Built-in Humidity>>path:#SHT20_Humidity]]
	407	+)))|(% style="width:134px" %)(((
	408	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181"]]
284	284
285	285
286	286	)))
287	287
288		-* **Status & Ext Byte**
	413	+* (% _msthash="504959" _msttexthash="245037" %)**Status & Ext Byte**
289	289
290		-(% style="width:732px" %)
291		-|(% 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]**
292		-|(% 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" %)(((
293		-Ext:
	415	+[[image:image-20220523152434-16.png||_mstalt="453921"]]
294	294
295		-0b(1001)
296		-)))
297		-
298	298	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
299	299	* 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.
300	300	* 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)
301	301
302		-== Show data on Datacake ==
	421	+== (% _msthash="487097" _msttexthash="454818" %)2.5 Show data on Datacake(%%) ==
303	303
	423	+(% _msthash="315259" _msttexthash="20933341" %)
304	304	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:
305	305
306		-
	426	+(((
	427	+(% _msthash="506065" _msttexthash="4753983" %)
307	307	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
	429	+)))
308	308
	431	+(((
	432	+(% _msthash="506066" _msttexthash="14696682" %)
309	309	**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.
	434	+)))
310	310
311		-
	436	+(((
	437	+(% _msthash="506067" _msttexthash="180297" %)
312	312	Add Datacake:
	439	+)))
313	313
314		-[[image:image-20220523000825-7.png||height="262" width="583"]]
	441	+[[image:image-20220523000825-7.png||_mstalt="429884" height="262" width="583"]]
315	315
316	316
	444	+(% _msthash="315260" _msttexthash="750178" %)
317	317	Select default key as Access Key:
318	318
319		-[[image:image-20220523000825-8.png||height="453" width="406"]]
	447	+[[image:image-20220523000825-8.png||_mstalt="430248" height="453" width="406"]]
320	320
321		-
	449	+(% _msthash="315261" _msttexthash="2134964" %)
322	322	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
323	323
324		-[[image:image-20220523000825-9.png||height="366" width="392"]]
	452	+[[image:image-20220523000825-9.png||_mstalt="430612" height="366" width="392"]]
325	325
	454	+[[image:image-20220523000825-10.png||_mstalt="450619" height="413" width="728"]]
326	326
	456	+== (% _msthash="350454" _msttexthash="323544" %)2.6 Datalog Feature(%%) ==
327	327
328		-[[image:image-20220523000825-10.png||height="432" width="762"]]
	458	+(% _msthash="315262" _msttexthash="32283004" %)
	459	+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.
329	329
	461	+=== (% _msthash="886158" _msttexthash="842426" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
330	330
331		-== Datalog Feature ==
	463	+(% _msthash="315263" _msttexthash="409604" %)
	464	+There are two methods:
332	332
333		-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.
	466	+1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
	467	+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.
334	334
335		-=== Unix TimeStamp ===
	469	+=== (% _msthash="369915" _msttexthash="342797" %)2.6.2 Unix TimeStamp(%%) ===
336	336
	471	+(% _msthash="315264" _msttexthash="1182285" %)
337	337	LHT65N uses Unix TimeStamp format based on
338	338
339		-[[image:image-20220523001219-11.png||height="97" width="627"]]
	474	+[[image:image-20220523001219-11.png||_mstalt="450450" height="97" width="627"]]
340	340
341	341
	477	+(((
	478	+(% _msthash="506068" _msttexthash="2717234" %)
342	342	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	480	+)))
343	343
	482	+(((
	483	+(% _msthash="506069" _msttexthash="709813" %)
344	344	Below is the converter example
	485	+)))
345	345
346		-[[image:image-20220523001219-12.png||height="353" width="853"]]
	487	+[[image:image-20220523001219-12.png||_mstalt="450827" height="298" width="720"]]
347	347
	489	+(% _msthash="315265" _msttexthash="15137317" %)
348	348	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
349	349
	492	+=== (% _msthash="359294" _msttexthash="332748" %)2.6.3 Set Device Time(%%) ===
350	350
351		-=== Set Device Time ===
352		-
	494	+(((
	495	+(% _msthash="506070" _msttexthash="4521946" %)
353	353	There are two ways to set device’s time:
	497	+)))
354	354
355		-**~1. Through LoRaWAN MAC Command (Default settings)**
	499	+(((
	500	+(% _msthash="506071" _msttexthash="1498471" %)**1. Through LoRaWAN MAC Command (Default settings)**
	501	+)))
356	356
	503	+(((
	504	+(% _msthash="506072" _msttexthash="2126267" %)
357	357	User need to set SYNCMOD=1 to enable sync time via MAC command.
	506	+)))
358	358
	508	+(((
	509	+(% _msthash="506073" _msttexthash="54430324" %)
359	359	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).
	511	+)))
360	360
	513	+(((
	514	+(% _msthash="506074" _msttexthash="92531127" %)
361	361	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.
	516	+)))
362	362
	518	+(((
	519	+
	520	+)))
363	363
364		-**2. Manually Set Time**
	522	+(((
	523	+(% _msthash="506075" _msttexthash="329719" %)**2. Manually Set Time**
	524	+)))
365	365
	526	+(((
	527	+(% _msthash="506076" _msttexthash="7889297" %)
366	366	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
	529	+)))
367	367
	531	+=== (% _msthash="460759" _msttexthash="430001" %)2.6.4 Poll sensor value(%%) ===
368	368
369		-=== Poll sensor value ===
370		-
	533	+(% _msthash="315266" _msttexthash="4955821" %)
371	371	User can poll sensor value based on timestamps from the server. Below is the downlink command.
372	372
	536	+[[image:image-20220523152302-15.png||_mstalt="451581"]]
373	373
374		-(% style="width:454px" %)
375		-|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
376		-|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
377		-
	538	+(((
	539	+(% _msthash="506077" _msttexthash="14670916" %)
378	378	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.
	541	+)))
379	379
	543	+(((
	544	+For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% style="display:none" %)
	545	+)))
380	380
381		-For example, downlink command 31 5FC5F350 5FC6 0160 05
382		-
	547	+(((
	548	+(% _msthash="506079" _msttexthash="6907459" %)
383	383	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
	550	+)))
384	384
	552	+(((
	553	+(% _msthash="506080" _msttexthash="23531573" %)
385	385	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
	555	+)))
386	386
387	387
388		-=== Datalog Uplink payload ===
	558	+=== (% _msthash="650923" _msttexthash="614185" %)2.6.5 Datalog Uplink payload(%%) ===
389	389
	560	+(% _msthash="315267" _msttexthash="2245087" %)
390	390	The Datalog poll reply uplink will use below payload format.
391	391
	563	+(((
	564	+(% _msthash="506081" _msttexthash="451581" %)**Retrieval data payload**
	565	+)))
392	392
393		-Retrieval data payload
	567	+(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
	568	+|(% style="width:93px" %)(((
	569	+(((
	570	+(% _msthash="2224750" _msttexthash="161122" %)**Size(bytes)**
	571	+)))
	572	+)))|(% style="width:71px" %)(((
	573	+(((
	574	+(% _msthash="2224751" _msttexthash="4550" %)**2**
	575	+)))
	576	+)))|(% style="width:102px" %)(((
	577	+(((
	578	+(% _msthash="2224752" _msttexthash="4550" %)**2**
	579	+)))
	580	+)))|(% style="width:86px" %)(((
	581	+(((
	582	+(% _msthash="2224753" _msttexthash="4550" %)**2**
	583	+)))
	584	+)))|(% style="width:86px" %)(((
	585	+(((
	586	+(% _msthash="2224754" _msttexthash="4459" %)**1**
	587	+)))
	588	+)))|(% style="width:48px" %)(((
	589	+(((
	590	+(% _msthash="2224755" _msttexthash="4732" %)**4**
	591	+)))
	592	+)))
	593	+|(% style="width:93px" %)(((
	594	+(((
	595	+(% _msthash="2224756" _msttexthash="60203" %)**Value**
	596	+)))
	597	+)))|(% style="width:71px" %)(((
	598	+(((
	599	+[[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672"]]
	600	+)))
	601	+)))|(% style="width:102px" %)(((
	602	+(((
	603	+(((
	604	+[[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065"]]
	605	+)))
	606	+)))
394	394
395		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
396		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
397		-[[Built-In>>path:#SHT20_Temperature]]
	608	+(((
	609	+(((
	610	+[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041"]]
	611	+)))
	612	+)))
	613	+)))|(% style="width:86px" %)(((
	614	+(((
	615	+(((
	616	+[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872"]]
	617	+)))
	618	+)))
398	398
399		-[[Temperature>>path:#SHT20_Temperature]]
400		-)))|(((
401		-[[Built-in>>path:#SHT20_Humidity]]
	620	+(((
	621	+(((
	622	+[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429"]]
	623	+)))
	624	+)))
	625	+)))|(% style="width:86px" %)(((
	626	+(((
	627	+(% _msthash="2224758" _msttexthash="390390" %)
	628	+Poll message flag & Ext
	629	+)))
	630	+)))|(% style="width:48px" %)(((
	631	+(((
	632	+(((
	633	+[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175"]]
	634	+)))
	635	+)))
402	402
403		-[[Humidity>>path:#SHT20_Humidity]]
404		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
405		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
406		-
	637	+(((
	638	+(((
407	407
408	408	)))
	641	+)))
	642	+)))
409	409
410		-Poll message flag & Ext
	644	+(% _msthash="315268" _msttexthash="390390" %)**Poll message flag & Ext**
411	411
	646	+[[image:image-20220523152208-14.png||_mstalt="452920"]]
412	412
413		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
414		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
415		-Ext:
	648	+(((
	649	+(((
	650	+(% _msthash="736723" _msttexthash="2005003" %)
	651	+Poll Message Flag: 1: This message is a poll message reply.
	652	+)))
	653	+)))
416	416
417		-0b(1001)
	655	+* (((
	656	+(((
	657	+(% _msthash="1197157" _msttexthash="561548" %)
	658	+Poll Message Flag is set to 1.
418	418	)))
	660	+)))
	661	+* (((
	662	+(((
	663	+(% _msthash="1197158" _msttexthash="9284964" %)
	664	+Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	665	+)))
	666	+)))
419	419
420		-Poll Message Flag: 1: This message is a poll message reply.
421		-
422		-* Poll Message Flag is set to 1.
423		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
424		-
	668	+(((
	669	+(((
	670	+(% _msthash="736724" _msttexthash="2242344" %)
425	425	For example, in US915 band, the max payload for different DR is:
	672	+)))
	673	+)))
426	426
427		-a)      DR0: max is 11 bytes so one entry of data
	675	+(((
	676	+(((
	677	+(% _msthash="736725" _msttexthash="1065532" %)
	678	+a) DR0: max is 11 bytes so one entry of data
	679	+)))
	680	+)))
428	428
429		-b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	682	+(((
	683	+(((
	684	+(% _msthash="736726" _msttexthash="3265665" %)
	685	+b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	686	+)))
	687	+)))
430	430
431		-c)      DR2: total payload includes 11 entries of data
	689	+(((
	690	+(((
	691	+(% _msthash="736727" _msttexthash="1454115" %)
	692	+c) DR2: total payload includes 11 entries of data
	693	+)))
	694	+)))
432	432
433		-d)      DR3: total payload includes 22 entries of data.
	696	+(((
	697	+(((
	698	+(% _msthash="736728" _msttexthash="1483924" %)
	699	+d) DR3: total payload includes 22 entries of data.
	700	+)))
	701	+)))
434	434
	703	+(((
	704	+(((
	705	+(% _msthash="736729" _msttexthash="5848349" %)
435	435	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
	707	+)))
	708	+)))
436	436
437	437
438		-**Example:**
	711	+(% _msthash="315269" _msttexthash="104767" %)**Example:**
439	439
	713	+(% _msthash="315270" _msttexthash="913822" %)
440	440	If LHT65N has below data inside Flash:
441	441
442		-Flash Addr   |Unix Time | Ext | BAT voltage|  Value
	716	+[[image:image-20220523144455-1.png||_mstalt="430040" height="335" width="735"]]
443	443
444		-80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
	718	+(((
	719	+(% _msthash="506082" _msttexthash="1663961" %)
	720	+If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
	721	+)))
445	445
446		-80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
447		-
448		-8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
449		-
450		-8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
451		-
452		-8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
453		-
454		-8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
455		-
456		-8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
457		-
458		-8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
459		-
460		-
461		-If user sends below downlink command:
462		-
463		-3160065F9760066DA705
464		-
	723	+(((
	724	+(% _msthash="506083" _msttexthash="1092494" %)
465	465	Where : Start time: 60065F97 = time 21/1/19 04:27:03
	726	+)))
466	466
	728	+(((
	729	+(% _msthash="506084" _msttexthash="737269" %)
467	467	Stop time 60066DA7= time 21/1/19 05:27:03
	731	+)))
468	468
	733	+(((
	734	+
	735	+)))
469	469
	737	+(((
	738	+(% _msthash="506085" _msttexthash="751218" %)
470	470	LHT65N will uplink this payload.
	740	+)))
471	471
472		-[[image:image-20220523001219-13.png]]
	742	+[[image:image-20220523001219-13.png||_mstalt="451204" height="421" width="727"]]
473	473
	744	+(% _msthash="315271" _msttexthash="12012546" %)
474	474	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
475	475
476		-Where the first 11 bytes is for the first entry:
	747	+(% _msthash="315272" _msttexthash="95618250" %)
	748	+其中，前 11 个字节表示第一个条目：
477	477
	750	+(% _msthash="315273" _msttexthash="274846" %)
478	478	7FFF089801464160065F97
479	479
480		-Ext sensor data=0x7FFF/100=327.67
	753	+(% _msthash="315274" _msttexthash="23352186" %)
	754	+外部传感器数据=0x7FFF/100=327.67
481	481
482		-Temp=0x0898/100=22.00
	756	+(% _msthash="315275" _msttexthash="5286827" %)
	757	+温度=0x0898/100=22.00
483	483
484		-Hum=0x0146/10=32.6
	759	+(% _msthash="315276" _msttexthash="7131241" %)
	760	+嗡嗡声=0x0146/10=32.6
485	485
486		-poll message flag & Ext=0x41,means reply data,Ext=1
	762	+(% _msthash="315277" _msttexthash="118235416" %)
	763	+轮询消息标志 & Ext=0x41，表示回复数据，Ext=1
487	487
488		-Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
	765	+(% _msthash="315278" _msttexthash="95647201" %)
	766	+Unix 时间是 0x60065F97=1611030423s=21/1/19 04：27：03
489	489
490	490
491		-== Alarm Mode ==
	769	+== (% _msthash="197717" _msttexthash="16752736" %)2.7 报警模式(%%) ==
492	492
493		-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.
	771	+(% _msthash="315279" _msttexthash="614443986" %)
	772	+当设备处于报警模式时，它会在短时间内检查内置传感器温度。如果温度超过预配置范围，它将立即发送上行链路。
494	494
	774	+(((
	775	+(% _msthash="506086" _msttexthash="304704764" style="color:red" %)注意：报警模式会增加一点功耗，我们建议在启用此功能时延长正常读取时间。
	776	+)))
495	495
496		-Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
	778	+(% _msthash="315280" _msttexthash="38172992" %)**报警模式的 AT 命令：**
497	497
	780	+(% class="box infomessage" %)
	781	+(((
	782	+(% _istranslated="1" _mstmutation="1" %)**AT+WMOD=1**(%%)：启用/禁用报警模式。（0：禁用，1：启用）
498	498
499		-AT Commands for Alarm mode:
	784	+(% _msthash="506088" _msttexthash="258873758" %)
	785	+(% _istranslated="1" %)**AT+CITEMP=1**(%%)：检查警报温度的时间间隔。（单位：分钟）
500	500
501		-**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
	787	+(% _msthash="506089" _msttexthash="154134227" %)
	788	+(% _istranslated="1" %)**AT+ARTEMP**(%%)： 获取或设置内部温度传感器报警范围
502	502
503		-**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
	790	+(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%)：获取内部温度传感器报警范围(% style="display:none" %)
504	504
	792	+(% _msthash="506091" _msttexthash="225614246" %)
	793	+(% _istranslated="1" %)**AT+ARTEMP=45，105**(%%)：将内部温度传感器报警范围设置为 45 至 105。
	794	+)))
505	505
	796	+== ==
506	506
507		-== LED Indicator ==
	798	+== (% _msthash="276471" _msttexthash="12239526" %)2.8 指示灯(%%) ==
508	508
509		-The LHT65N has a triple color LED which for easy shows different stage.
	800	+(((
	801	+(% _msthash="506092" _msttexthash="130028808" %)
	802	+LHT65N具有三色LED，可轻松显示不同的舞台。
	803	+)))
510	510
511		-While pressing ACT button, the LED will work as per LED status with ACT button.
	805	+(((
	806	+(% _msthash="506093" _msttexthash="151611343" %)
	807	+按下 ACT 按钮时，LED 将按照带有 ACT 按钮的 LED 状态工作。
	808	+)))
512	512
513		-In a normal working state:
	810	+(((
	811	+(% _msthash="506094" _msttexthash="33759063" %)
	812	+正常工作状态下：
	813	+)))
514	514
515		-* For each uplink, the BLUE LED or RED LED will blink once.
516		-* BLUE LED when an external sensor is connected
517		-* RED LED when an external sensor is not connected
518		-* For each success downlink, the PURPLE LED will blink once
	815	+* (((
	816	+(% _msthash="903005" _msttexthash="141916112" %)
	817	+对于每个上行链路，蓝色 LED 或红色 LED 将闪烁一次。
	818	+)))
	819	+* (((
	820	+(% _msthash="903006" _msttexthash="49182913" %)
	821	+连接外部传感器时的蓝色 LED
	822	+)))
	823	+* (((
	824	+(% _msthash="903007" _msttexthash="55309774" %)
	825	+未连接外部传感器时的红色 LED
	826	+)))
	827	+* (((
	828	+(% _msthash="903008" _msttexthash="126991982" %)
	829	+对于每个成功的下行链路，紫色 LED 将闪烁一次
	830	+)))
519	519
520	520	----
521	521
522		-== Installation ==
	834	+== (% _msthash="298350" _msttexthash="8069152" %)2.9 安装(%%) ==
523	523
524		-[[image:image-20220516231650-1.png||height="436" width="428"]]
	836	+[[image:image-20220516231650-1.png||_mstalt="5390151" alt="图片-20220516231650-1.png" height="436" width="428"]]
525	525
	838	+= (% _msthash="528658" _msttexthash="22116432" %)3. 传感器和配件(%%) =
526	526
	840	+== (% _msthash="487110" _msttexthash="17620759" %)3.1 E3温度探头(%%) ==
527	527
	842	+[[image:image-20220515080154-4.png||_mstalt="5391243" alt="图片-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png||_mstalt="5390346" alt="图片-20220515080330-5.png" height="201" width="195"]]
528	528
529		-= Sensors & Accessories =
530	530
531		-== E3 Temperature Probe ==
	845	+(% _msthash="315354" _msttexthash="50315928" %)
	846	+带 2 米电缆长的温度传感器
532	532
533		-[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
	848	+* 分辨率：0.0625°C
	849	+* -10°C 至 +85°C 范围内的 ±0.5°C 精度
	850	+* -55°C 至 +125°C 范围内的 ±2°C 精度
	851	+* 工作范围： -40 ~~ 125 °C
	852	+* -55°C 至 125°C
	853	+* 工作电压 2.35v ~~ 5v
534	534
	855	+= (% _msthash="1745419" _msttexthash="88144758" %)4. 通过 AT 命令或 LoRaWAN 下行链路配置 LHT65N(%%) =
535	535
536		-With Temperature sensor with 2 meters cable long
537		-
538		-* Resolution: 0.0625 °C
539		-* ±0.5°C accuracy from -10°C to +85°C
540		-* ±2°C accuracy from -55°C to +125°C
541		-* Operating Range: -40 ~~ 125 °C
542		-* -55°C to 125°C
543		-* Working voltage 2.35v ~~ 5v
544		-
545		-= Configure LHT65N via AT Command or LoRaWAN Downlink =
546		-
	857	+(((
	858	+(% _msthash="506246" _msttexthash="2005926" %)
547	547	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	860	+)))
548	548
549		-* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
550		-* LoRaWAN Downlink instruction for different platforms:
	862	+* (((
	863	+(% _msthash="903318" _msttexthash="635544" %)
	864	+AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
	865	+)))
	866	+* (((
	867	+(% _msthash="903319" _msttexthash="2004301" %)
	868	+LoRaWAN Downlink instruction for different platforms:
	869	+)))
551	551
552		-[[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]]
	871	+(((
	872	+[[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||_msthash="506247" _msttexthash="3599349"]]
	873	+)))
553	553
554		-
	875	+(((
	876	+(% _msthash="506248" _msttexthash="2144051" %)
555	555	There are two kinds of commands to configure LHT65N, they are:
	878	+)))
556	556
557		-* **General Commands**.
	880	+(((
	881	+(% _msthash="506249" _msttexthash="317850" style="color:#4f81bd" %)* **General Commands**.
	882	+)))
558	558
	884	+(((
	885	+(% _msthash="506250" _msttexthash="774527" %)
559	559	These commands are to configure:
	887	+)))
560	560
561		-* General system settings like: uplink interval.
562		-* LoRaWAN protocol & radio-related commands.
	889	+* (((
	890	+(% _msthash="903320" _msttexthash="1503580" %)
	891	+General system settings like: uplink interval.
	892	+)))
	893	+* (((
	894	+(% _msthash="903321" _msttexthash="1244334" %)
	895	+LoRaWAN protocol & radio-related commands.
	896	+)))
563	563
	898	+(((
	899	+(% _msthash="506251" _msttexthash="8343023" %)
564	564	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
	901	+)))
565	565
566		-[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
	903	+(((
	904	+[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command||_msthash="506252" _msttexthash="3434769"]]
	905	+)))
567	567
	907	+(((
	908	+(% style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" %)**Commands special design for LHT65N**
	909	+)))
568	568
569		-
570		-* **Commands special design for LHT65N**
571		-
	911	+(((
	912	+(% _msthash="506254" _msttexthash="1501357" %)
572	572	These commands are only valid for LHT65N, as below:
	914	+)))
573	573
	916	+== (% _msthash="708253" _msttexthash="668772" %)4.1 Set Transmit Interval Time(%%) ==
574	574
575		-== Set Transmit Interval Time ==
576		-
	918	+(% _msthash="315355" _msttexthash="1659268" %)
577	577	Feature: Change LoRaWAN End Node Transmit Interval.
578	578
579		-**AT Command: AT+TDC**
	921	+(% _msthash="315356" _msttexthash="241696" %)**AT Command: AT+TDC**
580	580
581		-|**Command Example**|**Function**|**Response**
582		-|AT+TDC?|Show current transmit Interval|(((
583		-30000
	923	+[[image:image-20220523150701-2.png||_mstalt="427453"]]
584	584
585		-OK
586		-
587		-the interval is 30000ms = 30s
	925	+(((
	926	+(% _msthash="506255" _msttexthash="381992" %)**Downlink Command: 0x01**
588	588	)))
589		-|AT+TDC=60000|Set Transmit Interval|(((
590		-OK
591	591
592		-Set transmit interval to 60000ms = 60 seconds
	929	+(((
	930	+(% _msthash="506256" _msttexthash="1996592" %)
	931	+Format: Command Code (0x01) followed by 3 bytes time value.
593	593	)))
594	594
595		-**Downlink Command: 0x01**
596		-
597		-Format: Command Code (0x01) followed by 3 bytes time value.
598		-
	934	+(((
	935	+(% _msthash="506257" _msttexthash="12934649" %)
599	599	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	937	+)))
600	600
601		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
602		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	939	+* (((
	940	+(% _msthash="903322" _msttexthash="3250546" %)
	941	+**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	942	+)))
	943	+* (((
	944	+(% _msthash="903323" _msttexthash="3253315" %)
	945	+**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	946	+)))
603	603
604		-== Set External Sensor Mode ==
	948	+== (% _msthash="614770" _msttexthash="578240" %)4.2 Set External Sensor Mode(%%) ==
605	605
	950	+(% _msthash="315357" _msttexthash="975117" %)
606	606	Feature: Change External Sensor Mode.
607	607
608		-**AT Command: AT+EXT**
	953	+(% _msthash="315358" _msttexthash="248118" %)**AT Command: AT+EXT**
609	609
610		-|**Command Example**|**Function**|**Response**
611		-|AT+EXT?|Get current external sensor mode|(((
612		-1
	955	+[[image:image-20220523150759-3.png||_mstalt="432146"]]
613	613
614		-OK
615		-
616		-External Sensor mode =1
	957	+(((
	958	+(% _msthash="506258" _msttexthash="387855" %)**Downlink Command: 0xA2**
617	617	)))
618		-|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
619		-|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
620	620
621		-**Downlink Command: 0xA2**
622		-
	961	+(((
	962	+(% _msthash="506259" _msttexthash="395629" %)
623	623	Total bytes: 2 ~~ 5 bytes
	964	+)))
624	624
625		-Example:
	966	+(((
	967	+(% _msthash="506260" _msttexthash="104767" %)**Example:**
	968	+)))
626	626
627		-* 0xA201: Set external sensor type to E1
628		-* 0xA209: Same as AT+EXT=9
629		-* 0xA20702003c,Same as AT+SETCNT=60
	970	+* (((
	971	+(% _msthash="903324" _msttexthash="934973" %)
	972	+0xA201: Set external sensor type to E1
	973	+)))
	974	+* (((
	975	+(% _msthash="903325" _msttexthash="354770" %)
	976	+0xA209: Same as AT+EXT=9
	977	+)))
	978	+* (((
	979	+(% _msthash="903326" _msttexthash="639067" %)
	980	+0xA20702003c,Same as AT+SETCNT=60
	981	+)))
630	630
631		-== Enable/Disable uplink Temperature probe ID ==
	983	+== (% _msthash="1562483" _msttexthash="1445717" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
632	632
	985	+(% _msthash="315359" _msttexthash="2977572" %)
633	633	Feature: If PID is enabled, device will send the temperature probe ID on:
634	634
635	635	* First Packet after OTAA Join
636	636	* Every 24 hours since the first packet.
637	637
	991	+(% _msthash="315360" _msttexthash="658814" %)
638	638	PID is default set to disable (0)
639	639
	994	+(% _msthash="315361" _msttexthash="137488" %)**AT Command:**
640	640
641		-**AT Command:**
	996	+[[image:image-20220523150928-4.png||_mstalt="431821"]]
642	642
643		-|**Command Example**|**Function**|**Response**
644		-|AT+PID=1|Enable PID uplink|OK
	998	+(% _msthash="315362" _msttexthash="298038" %)**Downlink Command:**
645	645
646		-**Downlink Command:**
	1000	+* 0xA800  **~-~->** AT+PID=0
	1001	+* 0xA801     **~-~->** AT+PID=1
647	647
648		-* 0xA800     à AT+PID=0
649		-* 0xA801     à AT+PID=1
	1003	+== (% _msthash="266344" _msttexthash="242879" %)4.4 Set Password(%%) ==
650	650
651		-== Set Password ==
652		-
	1005	+(% _msthash="315363" _msttexthash="1170728" %)
653	653	Feature: Set device password, max 9 digits
654	654
655		-**AT Command: AT+PWORD**
	1008	+(% _msthash="315364" _msttexthash="295009" %)**AT Command: AT+PWORD**
656	656
657		-|**Command Example**|**Function**|**Response**
658		-|AT+PWORD=?|Show password|(((
659		-123456
	1010	+[[image:image-20220523151052-5.png||_mstalt="428623"]]
660	660
661		-
662		-OK
	1012	+(((
	1013	+(% _msthash="506261" _msttexthash="298038" %)**Downlink Command:**
663	663	)))
664		-|AT+PWORD=999999|Set password|OK
665	665
666		-**Downlink Command:**
667		-
	1016	+(((
	1017	+(% _msthash="506262" _msttexthash="974311" %)
668	668	No downlink command for this feature.
	1019	+)))
669	669
	1021	+== (% _msthash="306956" _msttexthash="281918" %)4.5 Quit AT Command(%%) ==
670	670
671		-== Quit AT Command ==
672		-
	1023	+(% _msthash="315365" _msttexthash="4616456" %)
673	673	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
674	674
675		-**AT Command: AT+DISAT**
	1026	+(% _msthash="315366" _msttexthash="289120" %)**AT Command: AT+DISAT**
676	676
677		-|**Command Example**|**Function**|**Response**
678		-|AT+DISAT|Quit AT Commands mode|OK
	1028	+[[image:image-20220523151132-6.png||_mstalt="428649"]]
679	679
680		-**Downlink Command:**
	1030	+(% _msthash="315367" _msttexthash="298038" %)**Downlink Command:**
681	681
	1032	+(% _msthash="315368" _msttexthash="974311" %)
682	682	No downlink command for this feature.
683	683
	1035	+== (% _msthash="362752" _msttexthash="334919" %)4.6 Set to sleep mode(%%) ==
684	684
685		-== Set to sleep mode ==
686		-
	1037	+(% _msthash="315369" _msttexthash="779688" %)
687	687	Feature: Set device to sleep mode
688	688
689		-**AT Command: AT+SLEEP**
	1040	+(% _msthash="315370" _msttexthash="289783" %)**AT Command: AT+SLEEP**
690	690
691		-| | |
692		-|**Command Example**|**Function**|**Response**
693		-|AT+SLEEP|Set to sleep mode|(((
694		-Clear all stored sensor data…
	1042	+[[image:image-20220523151218-7.png||_mstalt="430703"]]
695	695
696		-OK
697		-)))
	1044	+(% _msthash="315371" _msttexthash="298038" %)**Downlink Command:**
698	698
699		-**Downlink Command:**
700		-
701	701	* There is no downlink command to set to Sleep mode.
702	702
703		-== Set system time ==
	1048	+== (% _msthash="336557" _msttexthash="309712" %)4.7 Set system time(%%) ==
704	704
705		-Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
	1050	+(% _msthash="315372" _msttexthash="2565524" %)
	1051	+Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
706	706
707		-**AT Command:**
	1053	+(% _msthash="315373" _msttexthash="137488" %)**AT Command:**
708	708
709		-|**Command Example**|**Function**
710		-|AT+TIMESTAMP=1611104352|(((
711		-OK
	1055	+[[image:image-20220523151253-8.png||_mstalt="430677"]]
712	712
713		-Set System time to 2021-01-20 00:59:12
714		-)))
	1057	+(% _msthash="315374" _msttexthash="298038" %)**Downlink Command:**
715	715
716		-**Downlink Command:**
717		-
	1059	+(% _msthash="315375" _msttexthash="2898571" %)
718	718	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
719	719
	1062	+== (% _msthash="376779" _msttexthash="348712" %)4.8 Set Time Sync Mode(%%) ==
720	720
721		-== Set Time Sync Mode ==
722		-
	1064	+(((
	1065	+(% _msthash="506263" _msttexthash="11748321" %)
723	723	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
	1067	+)))
724	724
725		-
	1069	+(((
	1070	+(% _msthash="506264" _msttexthash="6530264" %)
726	726	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.
	1072	+)))
727	727
	1074	+(((
	1075	+(% _msthash="506265" _msttexthash="137488" %)**AT Command:**
	1076	+)))
728	728
729		-**AT Command:**
	1078	+[[image:image-20220523151336-9.png||_mstalt="431717"]]
730	730
731		-|**Command Example**|**Function**
732		-|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
	1080	+(% _msthash="315376" _msttexthash="298038" %)**Downlink Command:**
733	733
734		-**Downlink Command:**
735		-
	1082	+(% _msthash="315377" _msttexthash="479648" %)
736	736	0x28 01 ~/~/ Same As AT+SYNCMOD=1
737	737
	1085	+(% _msthash="315378" _msttexthash="479076" %)
738	738	0x28 00 ~/~/ Same As AT+SYNCMOD=0
739	739
	1088	+== (% _msthash="536432" _msttexthash="502528" %)4.9 Set Time Sync Interval(%%) ==
740	740
741		-== Set Time Sync Interval ==
742		-
	1090	+(% _msthash="315379" _msttexthash="3065777" %)
743	743	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
744	744
745		-**AT Command:**
	1093	+(% _msthash="315380" _msttexthash="137488" %)**AT Command:**
746	746
747		-|**Command Example**|**Function**
748		-|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
	1095	+[[image:image-20220523151411-10.png||_mstalt="449696"]]
749	749
750		-**Downlink Command:**
	1097	+(% _msthash="315381" _msttexthash="298038" %)**Downlink Command:**
751	751
	1099	+(% _msthash="315382" _msttexthash="590044" %)
752	752	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
753	753
	1102	+== (% _msthash="927901" _msttexthash="882570" %)4.10 Print data entries base on page.(%%) ==
754	754
755		-== Print data entries base on page. ==
756		-
	1104	+(% _msthash="315383" _msttexthash="3233334" %)
757	757	Feature: Print the sector data from start page to stop page (max is 416 pages).
758	758
759		-**AT Command: AT+PDTA**
	1107	+(% _msthash="315384" _msttexthash="264953" %)**AT Command: AT+PDTA**
760	760
761		-|**Command Example**|**Response**
762		-|(((
763		-AT+PDTA=1,3
	1109	+[[image:image-20220523151450-11.png||_mstalt="451035"]]
764	764
	1111	+(% _msthash="315385" _msttexthash="298038" %)**Downlink Command:**
765	765
766		-
767		-Print page 1 to 3
768		-)))|(((
769		-8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
770		-
771		-8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
772		-
773		-8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
774		-
775		-8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
776		-
777		-8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
778		-
779		-8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
780		-
781		-8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
782		-
783		-8019570
784		-
785		-8019580
786		-
787		-8019590
788		-
789		-80195A0
790		-
791		-80195B0
792		-
793		-80195C0
794		-
795		-80195D0
796		-
797		-80195E0
798		-
799		-80195F0
800		-
801		-
802		-OK
803		-)))
804		-
805		-**Downlink Command:**
806		-
	1113	+(% _msthash="315386" _msttexthash="799539" %)
807	807	No downlink commands for feature
808	808
	1116	+== (% _msthash="788762" _msttexthash="747149" %)4.11 Print last few data entries.(%%) ==
809	809
810		-
811		-== Print last few data entries. ==
812		-
	1118	+(% _msthash="315387" _msttexthash="1101009" %)
813	813	Feature: Print the last few data entries
814	814
815		-**AT Command: AT+PLDTA**
	1121	+(% _msthash="315388" _msttexthash="288522" %)**AT Command: AT+PLDTA**
816	816
817		-|**Command Example**|**Response**
818		-|(((
819		-AT+PLDTA=5
	1123	+[[image:image-20220523151524-12.png||_mstalt="452101"]]
820	820
	1125	+(% _msthash="315389" _msttexthash="298038" %)**Downlink Command:**
821	821
	1127	+(% _msthash="315390" _msttexthash="799539" %)
	1128	+No downlink commands for feature
822	822
823		-Print last 5 entries
824		-)))|(((
825		-Stop Tx and RTP events when read sensor data
	1130	+== (% _msthash="437814" _msttexthash="408057" %)4.12 Clear Flash Record(%%) ==
826	826
827		-1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
	1132	+(% _msthash="315391" _msttexthash="1609075" %)
	1133	+Feature: Clear flash storage for data log feature.
828	828
829		-2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
	1135	+(% _msthash="315392" _msttexthash="311415" %)**AT Command: AT+CLRDTA**
830	830
831		-3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
	1137	+[[image:image-20220523151556-13.png||_mstalt="454129"]]
832	832
833		-4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
	1139	+(% _msthash="315393" _msttexthash="388193" %)**Downlink Command: 0xA3**
834	834
835		-5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
	1141	+* Example: 0xA301 ~/~/Same as AT+CLRDTA
836	836
837		-Start Tx and RTP events
	1143	+== (% _msthash="740532" _msttexthash="701363" %)4.13 Auto Send None-ACK messages(%%) ==
838	838
839		-OK
840		-)))
	1145	+(% _msthash="315394" _msttexthash="51837149" %)
	1146	+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.
841	841
842		-**Downlink Command:**
843	843
844		-No downlink commands for feature
	1149	+(% _msthash="315395" _msttexthash="334256" %)**AT Command: AT+PNACKMD**
845	845
	1151	+(% _msthash="315396" _msttexthash="734682" %)
	1152	+The default factory setting is 0
846	846
	1154	+(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
	1155	+|=(% style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" %)**Command Example**|=(% style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" %)**Function**|=(% style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" %)**Response**
	1156	+|(% _msthash="1231321" _msttexthash="130455" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" style="width:119px" %)OK
847	847
848		-== Clear Flash Record ==
	1158	+(% _msthash="315397" _msttexthash="383981" %)**Downlink Command: 0x34**
849	849
850		-Feature: Clear flash storage for data log feature.
	1160	+* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
851	851
852		-**AT Command: AT+CLRDTA**
	1162	+= (% _msthash="568737" _msttexthash="502827" %)5. Battery & How to replace(%%) =
853	853
854		-|**Command Example**|**Function**|**Response**
855		-|AT+CLRDTA|Clear date record|(((
856		-Clear all stored sensor data…
	1164	+== (% _msthash="265486" _msttexthash="242073" %)5.1 Battery Type(%%) ==
857	857
858		-OK
859		-)))
860		-
861		-**Downlink Command: 0xA3**
862		-
863		-* Example: 0xA301 ~/~/Same as AT+CLRDTA
864		-
865		-
866		-= Battery & How to replace =
867		-
868		-== Battery Type ==
869		-
	1166	+(% _msthash="315398" _msttexthash="33754799" %)
870	870	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.
871	871
	1169	+(((
872	872	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
873		-[[image:image-20220515075034-1.png||height="208" width="644"]]
	1171	+[[image:image-20220515075034-1.png||_mstalt="428961" height="208" width="644"]]
	1172	+)))
874	874
875		-
	1174	+(((
876	876	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
877	877
	1177	+)))
878	878
879		-== Replace Battery ==
	1179	+== (% _msthash="353795" _msttexthash="326703" %)5.2 Replace Battery(%%) ==
880	880
	1181	+(% _msthash="315399" _msttexthash="11289278" %)
881	881	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.
882	882
883		-[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
	1184	+[[image:image-20220515075440-2.png||_mstalt="429546" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" height="193" width="257"]]
884	884
	1186	+== (% _msthash="494650" _msttexthash="462241" %)5.3 Battery Life Analyze(%%) ==
885	885
886		-== Battery Life Analyze ==
887		-
	1188	+(((
	1189	+(% _msthash="506268" _msttexthash="35479028" %)
888	888	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:
889	889	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
	1192	+)))
890	890
	1194	+= (% _msthash="183170" _msttexthash="163566" %)6. Order Info(%%) =
891	891
892		-= Order Info =
	1196	+(((
	1197	+(% _msthash="506269" _msttexthash="432432" %)
	1198	+Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
	1199	+)))
893	893
894		-Part Number: (% class="mark" %)**LHT65N-XX**
	1201	+(((
	1202	+(% _msthash="506270" _msttexthash="686946" %)
	1203	+(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
	1204	+)))
895	895
896		-**XX**: The default frequency band
	1206	+* (((
	1207	+(% _msthash="903327" _msttexthash="393341" %)
	1208	+(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
	1209	+)))
	1210	+* (((
	1211	+(% _msthash="903328" _msttexthash="394576" %)
	1212	+(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
	1213	+)))
	1214	+* (((
	1215	+(% _msthash="903329" _msttexthash="393913" %)
	1216	+(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
	1217	+)))
	1218	+* (((
	1219	+(% _msthash="903330" _msttexthash="399087" %)
	1220	+(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
	1221	+)))
	1222	+* (((
	1223	+(% _msthash="903331" _msttexthash="395109" %)
	1224	+(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
	1225	+)))
	1226	+* (((
	1227	+(% _msthash="903332" _msttexthash="400842" %)
	1228	+(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
	1229	+)))
	1230	+* (((
	1231	+(% _msthash="903333" _msttexthash="396487" %)
	1232	+(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
	1233	+)))
	1234	+* (((
	1235	+(% _msthash="903334" _msttexthash="390923" %)
	1236	+(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
	1237	+)))
897	897
898		-* **AS923**: LoRaWAN AS923 band
899		-* **AU915**: LoRaWAN AU915 band
900		-* **EU433**: LoRaWAN EU433 band
901		-* **EU868**: LoRaWAN EU868 band
902		-* **KR920**: LoRaWAN KR920 band
903		-* **US915**: LoRaWAN US915 band
904		-* **IN865**: LoRaWAN IN865 band
905		-* **CN470**: LoRaWAN CN470 band
	1239	+(((
	1240	+(% _msthash="506271" _msttexthash="443495" %)
	1241	+(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
	1242	+)))
906	906
907		-**YY**: Sensor Accessories
	1244	+* (((
	1245	+(% _msthash="903335" _msttexthash="720135" %)
	1246	+(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
	1247	+)))
908	908
909		-* **E3**: External Temperature Probe
	1249	+= (% _msthash="233363" _msttexthash="211237" %)7. Packing Info(%%) =
910	910
911		-= Packing Info =
912		-
	1251	+(((
	1252	+(% _msthash="506272" _msttexthash="295386" %)
913	913	**Package Includes**:
	1254	+)))
914	914
915		-* LHT65N Temperature & Humidity Sensor x 1
916		-* Program cable x 1
917		-* Optional external sensor
	1256	+* (((
	1257	+(% _msthash="903336" _msttexthash="1033149" %)
	1258	+LHT65N Temperature & Humidity Sensor x 1
	1259	+)))
	1260	+* (((
	1261	+(% _msthash="903337" _msttexthash="242567" %)
	1262	+Program cable x 1
	1263	+)))
	1264	+* (((
	1265	+(% _msthash="903338" _msttexthash="544167" %)
	1266	+Optional external sensor
	1267	+)))
918	918
	1269	+(((
	1270	+(% _msthash="506273" _msttexthash="403858" %)
919	919	**Dimension and weight**:
	1272	+)))
920	920
921		-* Device Size:  13.5 x 7 x 3 cm
922		-* Device Weight: 105g
923		-* Package Size / pcs : 14.5 x 8 x 5 cm
924		-* Weight / pcs : 170g
	1274	+* (((
	1275	+(% _msthash="903339" _msttexthash="391807" %)
	1276	+Device Size:  13.5 x 7 x 3 cm
	1277	+)))
	1278	+* (((
	1279	+(% _msthash="903340" _msttexthash="285298" %)
	1280	+Device Weight: 105g
	1281	+)))
	1282	+* (((
	1283	+(% _msthash="903341" _msttexthash="562926" %)
	1284	+Package Size / pcs : 14.5 x 8 x 5 cm
	1285	+)))
	1286	+* (((
	1287	+(% _msthash="903342" _msttexthash="227084" %)
	1288	+Weight / pcs : 170g
	1289	+)))
925	925
926		-= FCC Warning =
	1291	+= (% _msthash="198744" _msttexthash="178776" %)8. FCC Warning(%%) =
927	927
	1293	+(((
	1294	+(% _msthash="506274" _msttexthash="6034353" %)
928	928	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
	1296	+)))
929	929
930		-(1) This device may not cause harmful interference, and
	1298	+(((
	1299	+(% _msthash="506275" _msttexthash="44097638" %)
	1300	+(1) This device may not cause harmful interference；
	1301	+)))
931	931
932		-(2) this device must accept any interference received, including interference that may cause undesired operation
	1303	+(((
	1304	+(% _msthash="506276" _msttexthash="7559773" %)
	1305	+(2) this device must accept any interference received, including interference that may cause undesired operation.
	1306	+)))

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