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Details

Page properties

Author

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1		-XWiki.Edwin
	1	+XWiki.Bei

Content

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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+(% style="text-align:center" %)
	2	+[[image:image-20220523115324-1.jpeg||_mstalt="469677" height="317" width="317"]]
	3	+
	4	+
	5	+(% _msthash="315237" _msttexthash="1697033" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
	6	+
	7	+
	8	+
	9	+
	10	+(% _msthash="315238" _msttexthash="18964465" %)**Table of Contents：**
	11	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= Overview =
6	6
7		-[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
8	8
9	9
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**(%%)**.**
	17	+= (% _msthash="277498" _msttexthash="253045" %)1. Introduction(%%) =
11	11
	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" %)
12	12	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	+)))
13	13
	31	+(((
	32	+(% _msthash="506053" _msttexthash="4298047" %)
14	14	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
	34	+)))
15	15
	36	+(((
	37	+(% _msthash="506054" _msttexthash="6016374" %)
16	16	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
	39	+)))
17	17
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.
	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	+)))
19	19
	46	+(((
	47	+(% _msthash="506056" _msttexthash="5557097" %)
20	20	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
	49	+)))
21	21
	51	+== (% _msthash="182559" _msttexthash="163319" %)1.2 Features(%%) ==
22	22
23		-== Features: ==
24		-
25	25	* Wall mountable
26	26	* LoRaWAN v1.0.3 Class A protocol
27	27	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
...	...	@@ -34,914 +34,1245 @@
34	34	* Tri-color LED to indicate working status
35	35	* Datalog feature
36	36
37		-== Specification: ==
	65	+== (% _msthash="323570" _msttexthash="297635" %)1.3 Specification(%%) ==
38	38
39		-**Built-in Temperature Sensor:**
	67	+(((
	68	+(% _msthash="506057" _msttexthash="671437" %)**Built-in Temperature Sensor:**
	69	+)))
40	40
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
	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	+)))
45	45
46		-**Built-in Humidity Sensor:**
	88	+(((
	89	+(% _msthash="506058" _msttexthash="544453" %)**Built-in Humidity Sensor:**
	90	+)))
47	47
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
	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	+)))
52	52
53		-**External Temperature Sensor:**
	109	+(((
	110	+(% _msthash="506059" _msttexthash="680537" %)**External Temperature Sensor:**
	111	+)))
54	54
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
	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	+)))
59	59
60		-= Connect LHT65N to IoT Server =
	130	+= (% _msthash="655759" _msttexthash="618618" %)2. Connect LHT65N to IoT Server(%%) =
61	61
62		-== How does LHT65N work? ==
	132	+== (% _msthash="462371" _msttexthash="410332" %)2.1 How does LHT65N work?(%%) ==
63	63
	134	+(((
	135	+(% _msthash="506060" _msttexthash="28254538" %)
64	64	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	+)))
65	65
	139	+(((
	140	+(% _msthash="506061" _msttexthash="48200724" %)
66	66	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	+)))
67	67
	144	+== (% _msthash="514384" _msttexthash="458666" %)2.2 How to Activate LHT65N?(%%) ==
68	68
69		-== How to Activate LHT65N? ==
70		-
	146	+(% _msthash="315239" _msttexthash="748241" %)
71	71	The LHT65N has two working modes:
72	72
73	73	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
74	74	* **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.
75	75
	152	+(((
	153	+(% _msthash="506062" _msttexthash="6036823" %)
76	76	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
	155	+)))
77	77
78		-[[image:image-20220515123819-1.png||height="379" width="317"]]
	157	+[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
79	79
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.
	159	+[[image:image-20220525110604-2.png||_mstalt="427531"]]
84	84
85		-== Example to join LoRaWAN network ==
	161	+== (% _msthash="882726" _msttexthash="838526" %)2.3 Example to join LoRaWAN network(%%) ==
86	86
87		-(% class="wikigeneratedid" %)
	163	+(% _msthash="315240" _msttexthash="9205482" class="wikigeneratedid" %)
88	88	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.
89	89
90	90	(% class="wikigeneratedid" %)
91		-[[image:image-20220522232442-1.png||height="387" width="648"]]
	167	+[[image:image-20220522232442-1.png||_mstalt="427830" height="387" width="648"]]
92	92
	169	+(% _msthash="315241" _msttexthash="10802155" %)
93	93	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:
94	94
95	95
96		-=== **Step 1**: Create Device n TTN ===
	173	+=== (% _msthash="670592" _msttexthash="634075" %)2.3.1 Step 1: Create Device n TTN(%%) ===
97	97
	175	+(% _msthash="315242" _msttexthash="1601782" %)
98	98	Create a device in TTN V3 with the OTAA keys from LHT65N.
99	99
	178	+(% _msthash="315243" _msttexthash="3694444" %)
100	100	Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
101	101
102		-[[image:image-20220522232812-2.png||height="219" width="279"]]
	181	+[[image:image-20220522232812-2.png||_mstalt="428467" height="219" width="279"]]
103	103
	183	+(% _msthash="315244" _msttexthash="3659149" %)
104	104	User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
105	105
	186	+(% _msthash="315245" _msttexthash="642889" %)
106	106	Add APP EUI in the application.
107	107
108		-[[image:image-20220522232916-3.png]]
	189	+[[image:image-20220522232916-3.png||_mstalt="430495"]]
109	109
	191	+[[image:image-20220522232932-4.png||_mstalt="430157"]]
110	110
111		-[[image:image-20220522232932-4.png]]
	193	+[[image:image-20220522232954-5.png||_mstalt="431847"]]
112	112
113		-
114		-[[image:image-20220522232954-5.png]]
115		-
	195	+(% _msthash="315246" _msttexthash="878800" %)
116	116	Note: LHT65N use same payload as LHT65.
117	117
118		-[[image:image-20220522233026-6.png]]
	198	+[[image:image-20220522233026-6.png||_mstalt="429403"]]
119	119
120	120
	201	+(% _msthash="315247" _msttexthash="595543" %)
121	121	Input APP EUI,  APP KEY and DEV EUI:
122	122
123		-[[image:image-20220522233118-7.png]]
	204	+[[image:image-20220522233118-7.png||_mstalt="430430"]]
124	124
125	125
126		-=== 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.(%%) ===
127	127
	209	+(% _msthash="315248" _msttexthash="14452321" %)
128	128	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.
129	129
130		-[[image:image-20220522233300-8.png]]
	212	+[[image:image-20220522233300-8.png||_mstalt="428389" height="219" width="722"]]
131	131
132	132
133		-== Uplink Payload: ==
	215	+== (% _msthash="320879" _msttexthash="294970" %)2.4 Uplink Payload(%%) ==
134	134
135		-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.
136	136
137		-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.
138	138
	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	+)))
139	139
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]]
	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	+)))
144	144
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		-
152	152	* The First 6 bytes: has fix meanings for every LHT65N.
153	153	* The 7th byte (EXT #): defines the external sensor model.
154		-* 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.)
155	155
156		-=== Decoder in TTN V3 ===
	263	+=== (% _msthash="360269" _msttexthash="333762" %)2.4.1 Decoder in TTN V3(%%) ===
157	157
	265	+(% _msthash="315251" _msttexthash="9786491" %)
158	158	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.
159	159
	268	+(% _msthash="315252" _msttexthash="3928483" %)
160	160	Below is the position to put the decoder and LHT65N decoder can be download from here:
161	161
162		-[[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"]]
163	163
164		-[[image:image-20220522234118-10.png]]
	273	+[[image:image-20220522234118-10.png||_mstalt="451464" height="353" width="729"]]
165	165
	275	+=== (% _msthash="411411" _msttexthash="383656" %)2.4.2 BAT-Battery Info(%%) ===
166	166
167		-=== BAT-Battery Info ===
168		-
	277	+(% _msthash="315254" _msttexthash="3122912" %)
169	169	These two bytes of BAT include the battery state and the actually voltage
170	170
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
	280	+[[image:image-20220523152839-18.png||_mstalt="457613"]]
175	175
176		-00(b): Ultra Low ( BAT <= 2.50v)
	282	+[[image:image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
177	177
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		-
	284	+(% _msthash="315255" _msttexthash="871611" %)
187	187	Check the battery voltage for LHT65N.
188	188
189	189	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
190	190	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
191	191
192		-=== Built-in Temperature ===
	290	+=== (% _msthash="600769" _msttexthash="565838" %)2.4.3 Built-in Temperature(%%) ===
193	193
194		-[[image:image-20220522235639-2.png]]
	292	+[[image:image-20220522235639-2.png||_mstalt="431756" height="138" width="722"]]
195	195
196	196	* Temperature:  0x0ABB/100=27.47℃
197	197
198		-[[image:image-20220522235639-3.png]]
	296	+[[image:image-20220522235639-3.png||_mstalt="432120"]]
199	199
200	200	* Temperature:  (0xF5C6-65536)/100=-26.18℃
201	201
202		-=== Built-in Humidity ===
	300	+=== (% _msthash="475891" _msttexthash="445120" %)2.4.4 Built-in Humidity(%%) ===
203	203
204		-[[image:image-20220522235639-4.png]]
	302	+[[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
205	205
206	206	* Humidity:    0x025C/10=60.4%
207	207
208		-=== Ext # ===
	306	+=== (% _msthash="116532" _msttexthash="87958" %)2.4.5 Ext #(%%) ===
209	209
	308	+(% _msthash="315256" _msttexthash="552240" %)
210	210	Bytes for External Sensor:
211	211
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
	311	+[[image:image-20220523152822-17.png||_mstalt="454545"]]
216	216
217		-=== Ext value ===
	313	+=== (% _msthash="221429" _msttexthash="200655" %)2.4.6 Ext value(%%) ===
218	218
219		-==== Ext~=1, E3 Temperature Sensor ====
	315	+==== (% _msthash="1005901" _msttexthash="877578" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
220	220
221		-[[image:image-20220522235639-5.png]]
	317	+[[image:image-20220522235639-5.png||_mstalt="432848"]]
222	222
223		-
224	224	* DS18B20 temp=0x0ADD/100=27.81℃
225	225
	321	+(% _msthash="315257" _msttexthash="1038479" %)
226	226	The last 2 bytes of data are meaningless
227	227
	324	+[[image:image-20220522235639-6.png||_mstalt="433212"]]
228	228
229		-
230		-[[image:image-20220522235639-6.png]]
231		-
232	232	* External temperature= (0xF54F-65536)/100=-27.37℃
233	233
	328	+(((
	329	+(% _msthash="506063" _msttexthash="1038479" %)
234	234	The last 2 bytes of data are meaningless
	331	+)))
235	235
236		-
	333	+(((
	334	+(% _msthash="506064" _msttexthash="21185632" %)
237	237	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	+)))
238	238
239	239
240		-==== Ext~=9, E3 sensor with Unix Timestamp ====
	339	+==== (% _msthash="1389752" _msttexthash="1234766" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
241	241
	341	+(% _msthash="315258" _msttexthash="41539368" %)
242	242	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:
243	243
	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	+)))
244	244
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]]
	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	+)))
249	249
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]]
	376	+(((
	377	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181"]]
261	261	)))
	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	+)))
262	262
263		-* **Battery status & **[[(% class="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(%%)**
264	264
265		-(% style="width:587px" %)
266		-|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
267		-|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" %)
268	268	BAT Status
269	269
	396	+(% _msthash="1817498" _msttexthash="472784" %)
270	270	00(b): Ultra Low ( BAT <= 2.50v)
271	271
	399	+(% _msthash="1817499" _msttexthash="483678" %)
272	272	01(b): Low  (2.50v <=BAT <= 2.55v)
273	273
	402	+(% _msthash="1817500" _msttexthash="440791" %)
274	274	10(b): OK   (2.55v <= BAT <=2.65v)
275	275
	405	+(% _msthash="1817501" _msttexthash="334191" %)
276	276	11(b): Good   (BAT >= 2.65v)
277		-)))|(% style="width:136px" %)(((
278		-[[Built-in Humidity>>path:#SHT20_Humidity]]
	407	+)))|(% style="width:134px" %)(((
	408	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181"]]
279	279
280	280
281	281	)))
282	282
283		-* **Status & Ext Byte**
	413	+* (% _msthash="504959" _msttexthash="245037" %)**Status & Ext Byte**
284	284
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:
	415	+[[image:image-20220523152434-16.png||_mstalt="453921"]]
289	289
290		-0b(1001)
291		-)))
292		-
293	293	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
294	294	* 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.
295	295	* 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)
296	296
297		-== Show data on Datacake ==
	421	+== (% _msthash="487097" _msttexthash="454818" %)2.5 Show data on Datacake(%%) ==
298	298
	423	+(% _msthash="315259" _msttexthash="20933341" %)
299	299	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:
300	300
301		-
	426	+(((
	427	+(% _msthash="506065" _msttexthash="4753983" %)
302	302	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
	429	+)))
303	303
	431	+(((
	432	+(% _msthash="506066" _msttexthash="14696682" %)
304	304	**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	+)))
305	305
306		-
	436	+(((
	437	+(% _msthash="506067" _msttexthash="180297" %)
307	307	Add Datacake:
	439	+)))
308	308
309		-[[image:image-20220523000825-7.png||height="262" width="583"]]
	441	+[[image:image-20220523000825-7.png||_mstalt="429884" height="262" width="583"]]
310	310
311	311
	444	+(% _msthash="315260" _msttexthash="750178" %)
312	312	Select default key as Access Key:
313	313
314		-[[image:image-20220523000825-8.png||height="453" width="406"]]
	447	+[[image:image-20220523000825-8.png||_mstalt="430248" height="453" width="406"]]
315	315
316		-
	449	+(% _msthash="315261" _msttexthash="2134964" %)
317	317	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
318	318
319		-[[image:image-20220523000825-9.png||height="366" width="392"]]
	452	+[[image:image-20220523000825-9.png||_mstalt="430612" height="366" width="392"]]
320	320
	454	+[[image:image-20220523000825-10.png||_mstalt="450619" height="413" width="728"]]
321	321
	456	+== (% _msthash="350454" _msttexthash="323544" %)2.6 Datalog Feature(%%) ==
322	322
323		-[[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.
324	324
	461	+=== (% _msthash="886158" _msttexthash="842426" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
325	325
326		-== Datalog Feature ==
	463	+(% _msthash="315263" _msttexthash="409604" %)
	464	+There are two methods:
327	327
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.
	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.
329	329
330		-=== Unix TimeStamp ===
	469	+=== (% _msthash="369915" _msttexthash="342797" %)2.6.2 Unix TimeStamp(%%) ===
331	331
	471	+(% _msthash="315264" _msttexthash="1182285" %)
332	332	LHT65N uses Unix TimeStamp format based on
333	333
334		-[[image:image-20220523001219-11.png||height="97" width="627"]]
	474	+[[image:image-20220523001219-11.png||_mstalt="450450" height="97" width="627"]]
335	335
336	336
	477	+(((
	478	+(% _msthash="506068" _msttexthash="2717234" %)
337	337	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	480	+)))
338	338
	482	+(((
	483	+(% _msthash="506069" _msttexthash="709813" %)
339	339	Below is the converter example
	485	+)))
340	340
341		-[[image:image-20220523001219-12.png||height="353" width="853"]]
	487	+[[image:image-20220523001219-12.png||_mstalt="450827" height="298" width="720"]]
342	342
	489	+(% _msthash="315265" _msttexthash="15137317" %)
343	343	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
344	344
	492	+=== (% _msthash="359294" _msttexthash="332748" %)2.6.3 Set Device Time(%%) ===
345	345
346		-=== Set Device Time ===
347		-
	494	+(((
	495	+(% _msthash="506070" _msttexthash="4521946" %)
348	348	There are two ways to set device’s time:
	497	+)))
349	349
350		-**~1. Through LoRaWAN MAC Command (Default settings)**
	499	+(((
	500	+(% _msthash="506071" _msttexthash="1498471" %)**1. Through LoRaWAN MAC Command (Default settings)**
	501	+)))
351	351
	503	+(((
	504	+(% _msthash="506072" _msttexthash="2126267" %)
352	352	User need to set SYNCMOD=1 to enable sync time via MAC command.
	506	+)))
353	353
	508	+(((
	509	+(% _msthash="506073" _msttexthash="54430324" %)
354	354	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	+)))
355	355
	513	+(((
	514	+(% _msthash="506074" _msttexthash="92531127" %)
356	356	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	+)))
357	357
	518	+(((
	519	+
	520	+)))
358	358
359		-**2. Manually Set Time**
	522	+(((
	523	+(% _msthash="506075" _msttexthash="329719" %)**2. Manually Set Time**
	524	+)))
360	360
	526	+(((
	527	+(% _msthash="506076" _msttexthash="7889297" %)
361	361	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	+)))
362	362
	531	+=== (% _msthash="460759" _msttexthash="430001" %)2.6.4 Poll sensor value(%%) ===
363	363
364		-=== Poll sensor value ===
365		-
	533	+(% _msthash="315266" _msttexthash="4955821" %)
366	366	User can poll sensor value based on timestamps from the server. Below is the downlink command.
367	367
	536	+[[image:image-20220523152302-15.png||_mstalt="451581"]]
368	368
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		-
	538	+(((
	539	+(% _msthash="506077" _msttexthash="14670916" %)
373	373	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	+)))
374	374
	543	+(((
	544	+For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% style="display:none" %)
	545	+)))
375	375
376		-For example, downlink command 31 5FC5F350 5FC6 0160 05
377		-
	547	+(((
	548	+(% _msthash="506079" _msttexthash="6907459" %)
378	378	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
	550	+)))
379	379
	552	+(((
	553	+(% _msthash="506080" _msttexthash="23531573" %)
380	380	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
	555	+)))
381	381
382	382
383		-=== Datalog Uplink payload ===
	558	+=== (% _msthash="650923" _msttexthash="614185" %)2.6.5 Datalog Uplink payload(%%) ===
384	384
	560	+(% _msthash="315267" _msttexthash="2245087" %)
385	385	The Datalog poll reply uplink will use below payload format.
386	386
	563	+(((
	564	+(% _msthash="506081" _msttexthash="451581" %)**Retrieval data payload**
	565	+)))
387	387
388		-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	+)))
389	389
390		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
391		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
392		-[[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	+)))
393	393
394		-[[Temperature>>path:#SHT20_Temperature]]
395		-)))|(((
396		-[[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	+)))
397	397
398		-[[Humidity>>path:#SHT20_Humidity]]
399		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
400		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
401		-
	637	+(((
	638	+(((
402	402
403	403	)))
	641	+)))
	642	+)))
404	404
405		-Poll message flag & Ext
	644	+(% _msthash="315268" _msttexthash="390390" %)**Poll message flag & Ext**
406	406
	646	+[[image:image-20220523152208-14.png||_mstalt="452920"]]
407	407
408		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
409		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
410		-Ext:
	648	+(((
	649	+(((
	650	+(% _msthash="736723" _msttexthash="2005003" %)
	651	+Poll Message Flag: 1: This message is a poll message reply.
	652	+)))
	653	+)))
411	411
412		-0b(1001)
	655	+* (((
	656	+(((
	657	+(% _msthash="1197157" _msttexthash="561548" %)
	658	+Poll Message Flag is set to 1.
413	413	)))
	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	+)))
414	414
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		-
	668	+(((
	669	+(((
	670	+(% _msthash="736724" _msttexthash="2242344" %)
420	420	For example, in US915 band, the max payload for different DR is:
	672	+)))
	673	+)))
421	421
422		-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	+)))
423	423
424		-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	+)))
425	425
426		-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	+)))
427	427
428		-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	+)))
429	429
	703	+(((
	704	+(((
	705	+(% _msthash="736729" _msttexthash="5848349" %)
430	430	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
	707	+)))
	708	+)))
431	431
432	432
433		-**Example:**
	711	+(% _msthash="315269" _msttexthash="104767" %)**Example:**
434	434
	713	+(% _msthash="315270" _msttexthash="913822" %)
435	435	If LHT65N has below data inside Flash:
436	436
437		-Flash Addr   |Unix Time | Ext | BAT voltage|  Value
	716	+[[image:image-20220523144455-1.png||_mstalt="430040" height="335" width="735"]]
438	438
439		-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	+)))
440	440
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		-
	723	+(((
	724	+(% _msthash="506083" _msttexthash="1092494" %)
460	460	Where : Start time: 60065F97 = time 21/1/19 04:27:03
	726	+)))
461	461
	728	+(((
	729	+(% _msthash="506084" _msttexthash="737269" %)
462	462	Stop time 60066DA7= time 21/1/19 05:27:03
	731	+)))
463	463
	733	+(((
	734	+
	735	+)))
464	464
	737	+(((
	738	+(% _msthash="506085" _msttexthash="751218" %)
465	465	LHT65N will uplink this payload.
	740	+)))
466	466
467		-[[image:image-20220523001219-13.png]]
	742	+[[image:image-20220523001219-13.png||_mstalt="451204" height="421" width="727"]]
468	468
	744	+(% _msthash="315271" _msttexthash="12012546" %)
469	469	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
470	470
471		-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：
472	472
	750	+(% _msthash="315273" _msttexthash="274846" %)
473	473	7FFF089801464160065F97
474	474
475		-Ext sensor data=0x7FFF/100=327.67
	753	+(% _msthash="315274" _msttexthash="23352186" %)
	754	+外部传感器数据=0x7FFF/100=327.67
476	476
477		-Temp=0x0898/100=22.00
	756	+(% _msthash="315275" _msttexthash="5286827" %)
	757	+温度=0x0898/100=22.00
478	478
479		-Hum=0x0146/10=32.6
	759	+(% _msthash="315276" _msttexthash="7131241" %)
	760	+嗡嗡声=0x0146/10=32.6
480	480
481		-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
482	482
483		-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
484	484
485	485
486		-== Alarm Mode ==
	769	+== (% _msthash="197717" _msttexthash="16752736" %)2.7 报警模式(%%) ==
487	487
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.
	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。
489	489
	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	+)))
490	490
491		-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：**
492	492
	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）
493	493
494		-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）
495	495
496		-**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
497	497
498		-**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" %)
499	499
	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	+)))
500	500
	796	+== ==
501	501
502		-== LED Indicator ==
	798	+== (% _msthash="276471" _msttexthash="12239526" %)2.8 指示灯(%%) ==
503	503
504		-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	+)))
505	505
506		-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	+)))
507	507
508		-In a normal working state:
	810	+(((
	811	+(% _msthash="506094" _msttexthash="33759063" %)
	812	+正常工作状态下：
	813	+)))
509	509
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
	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	+)))
514	514
515	515	----
516	516
517		-== Installation ==
	834	+== (% _msthash="298350" _msttexthash="8069152" %)2.9 安装(%%) ==
518	518
519		-[[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"]]
520	520
	838	+= (% _msthash="528658" _msttexthash="22116432" %)3. 传感器和配件(%%) =
521	521
	840	+== (% _msthash="487110" _msttexthash="17620759" %)3.1 E3温度探头(%%) ==
522	522
	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"]]
523	523
524		-= Sensors & Accessories =
525	525
526		-== E3 Temperature Probe ==
	845	+(% _msthash="315354" _msttexthash="50315928" %)
	846	+带 2 米电缆长的温度传感器
527	527
528		-[[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
529	529
	855	+= (% _msthash="1745419" _msttexthash="88144758" %)4. 通过 AT 命令或 LoRaWAN 下行链路配置 LHT65N(%%) =
530	530
531		-With Temperature sensor with 2 meters cable long
532		-
533		-* Resolution: 0.0625 °C
534		-* ±0.5°C accuracy from -10°C to +85°C
535		-* ±2°C accuracy from -55°C to +125°C
536		-* Operating Range: -40 ~~ 125 °C
537		-* -55°C to 125°C
538		-* Working voltage 2.35v ~~ 5v
539		-
540		-= Configure LHT65N via AT Command or LoRaWAN Downlink =
541		-
	857	+(((
	858	+(% _msthash="506246" _msttexthash="2005926" %)
542	542	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	860	+)))
543	543
544		-* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
545		-* 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	+)))
546	546
547		-[[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	+)))
548	548
549		-
	875	+(((
	876	+(% _msthash="506248" _msttexthash="2144051" %)
550	550	There are two kinds of commands to configure LHT65N, they are:
	878	+)))
551	551
552		-* **General Commands**.
	880	+(((
	881	+(% _msthash="506249" _msttexthash="317850" style="color:#4f81bd" %)* **General Commands**.
	882	+)))
553	553
	884	+(((
	885	+(% _msthash="506250" _msttexthash="774527" %)
554	554	These commands are to configure:
	887	+)))
555	555
556		-* General system settings like: uplink interval.
557		-* 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	+)))
558	558
	898	+(((
	899	+(% _msthash="506251" _msttexthash="8343023" %)
559	559	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
	901	+)))
560	560
561		-[[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	+)))
562	562
	907	+(((
	908	+(% style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" %)**Commands special design for LHT65N**
	909	+)))
563	563
564		-
565		-* **Commands special design for LHT65N**
566		-
	911	+(((
	912	+(% _msthash="506254" _msttexthash="1501357" %)
567	567	These commands are only valid for LHT65N, as below:
	914	+)))
568	568
	916	+== (% _msthash="708253" _msttexthash="668772" %)4.1 Set Transmit Interval Time(%%) ==
569	569
570		-== Set Transmit Interval Time ==
571		-
	918	+(% _msthash="315355" _msttexthash="1659268" %)
572	572	Feature: Change LoRaWAN End Node Transmit Interval.
573	573
574		-**AT Command: AT+TDC**
	921	+(% _msthash="315356" _msttexthash="241696" %)**AT Command: AT+TDC**
575	575
576		-|**Command Example**|**Function**|**Response**
577		-|AT+TDC?|Show current transmit Interval|(((
578		-30000
	923	+[[image:image-20220523150701-2.png||_mstalt="427453"]]
579	579
580		-OK
581		-
582		-the interval is 30000ms = 30s
	925	+(((
	926	+(% _msthash="506255" _msttexthash="381992" %)**Downlink Command: 0x01**
583	583	)))
584		-|AT+TDC=60000|Set Transmit Interval|(((
585		-OK
586	586
587		-Set transmit interval to 60000ms = 60 seconds
	929	+(((
	930	+(% _msthash="506256" _msttexthash="1996592" %)
	931	+Format: Command Code (0x01) followed by 3 bytes time value.
588	588	)))
589	589
590		-
591		-**Downlink Command: 0x01**
592		-
593		-Format: Command Code (0x01) followed by 3 bytes time value.
594		-
	934	+(((
	935	+(% _msthash="506257" _msttexthash="12934649" %)
595	595	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	937	+)))
596	596
597		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
598		-* 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	+)))
599	599
	948	+== (% _msthash="614770" _msttexthash="578240" %)4.2 Set External Sensor Mode(%%) ==
600	600
601		-== Set External Sensor Mode ==
602		-
	950	+(% _msthash="315357" _msttexthash="975117" %)
603	603	Feature: Change External Sensor Mode.
604	604
605		-**AT Command: AT+EXT**
	953	+(% _msthash="315358" _msttexthash="248118" %)**AT Command: AT+EXT**
606	606
607		-|**Command Example**|**Function**|**Response**
608		-|AT+EXT?|Get current external sensor mode|(((
609		-1
	955	+[[image:image-20220523150759-3.png||_mstalt="432146"]]
610	610
611		-OK
612		-
613		-External Sensor mode =1
	957	+(((
	958	+(% _msthash="506258" _msttexthash="387855" %)**Downlink Command: 0xA2**
614	614	)))
615		-|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
616		-|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
617	617
618		-
619		-**Downlink Command: 0xA2**
620		-
	961	+(((
	962	+(% _msthash="506259" _msttexthash="395629" %)
621	621	Total bytes: 2 ~~ 5 bytes
	964	+)))
622	622
623		-Example:
	966	+(((
	967	+(% _msthash="506260" _msttexthash="104767" %)**Example:**
	968	+)))
624	624
625		-* 0xA201: Set external sensor type to E1
626		-* 0xA209: Same as AT+EXT=9
627		-* 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	+)))
628	628
	983	+== (% _msthash="1562483" _msttexthash="1445717" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
629	629
630		-== Enable/Disable uplink Temperature probe ID ==
631		-
	985	+(% _msthash="315359" _msttexthash="2977572" %)
632	632	Feature: If PID is enabled, device will send the temperature probe ID on:
633	633
634	634	* First Packet after OTAA Join
635	635	* Every 24 hours since the first packet.
636	636
	991	+(% _msthash="315360" _msttexthash="658814" %)
637	637	PID is default set to disable (0)
638	638
	994	+(% _msthash="315361" _msttexthash="137488" %)**AT Command:**
639	639
640		-**AT Command:**
	996	+[[image:image-20220523150928-4.png||_mstalt="431821"]]
641	641
642		-|**Command Example**|**Function**|**Response**
643		-|AT+PID=1|Enable PID uplink|OK
	998	+(% _msthash="315362" _msttexthash="298038" %)**Downlink Command:**
644	644
	1000	+* 0xA800  **~-~->** AT+PID=0
	1001	+* 0xA801     **~-~->** AT+PID=1
645	645
646		-**Downlink Command:**
	1003	+== (% _msthash="266344" _msttexthash="242879" %)4.4 Set Password(%%) ==
647	647
648		-* 0xA800     à AT+PID=0
649		-* 0xA801     à AT+PID=1
650		-
651		-
652		-
653		-== Set Password ==
654		-
	1005	+(% _msthash="315363" _msttexthash="1170728" %)
655	655	Feature: Set device password, max 9 digits
656	656
657		-**AT Command: AT+PWORD**
	1008	+(% _msthash="315364" _msttexthash="295009" %)**AT Command: AT+PWORD**
658	658
659		-|**Command Example**|**Function**|**Response**
660		-|AT+PWORD=?|Show password|(((
661		-123456
	1010	+[[image:image-20220523151052-5.png||_mstalt="428623"]]
662	662
663		-
664		-OK
	1012	+(((
	1013	+(% _msthash="506261" _msttexthash="298038" %)**Downlink Command:**
665	665	)))
666		-|AT+PWORD=999999|Set password|OK
667	667
668		-
669		-**Downlink Command:**
670		-
	1016	+(((
	1017	+(% _msthash="506262" _msttexthash="974311" %)
671	671	No downlink command for this feature.
	1019	+)))
672	672
	1021	+== (% _msthash="306956" _msttexthash="281918" %)4.5 Quit AT Command(%%) ==
673	673
674		-== Quit AT Command ==
675		-
	1023	+(% _msthash="315365" _msttexthash="4616456" %)
676	676	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
677	677
678		-**AT Command: AT+DISAT**
	1026	+(% _msthash="315366" _msttexthash="289120" %)**AT Command: AT+DISAT**
679	679
680		-|**Command Example**|**Function**|**Response**
681		-|AT+DISAT|Quit AT Commands mode|OK
	1028	+[[image:image-20220523151132-6.png||_mstalt="428649"]]
682	682
	1030	+(% _msthash="315367" _msttexthash="298038" %)**Downlink Command:**
683	683
684		-**Downlink Command:**
685		-
	1032	+(% _msthash="315368" _msttexthash="974311" %)
686	686	No downlink command for this feature.
687	687
	1035	+== (% _msthash="362752" _msttexthash="334919" %)4.6 Set to sleep mode(%%) ==
688	688
689		-== Set to sleep mode ==
690		-
	1037	+(% _msthash="315369" _msttexthash="779688" %)
691	691	Feature: Set device to sleep mode
692	692
693		-**AT Command: AT+SLEEP**
	1040	+(% _msthash="315370" _msttexthash="289783" %)**AT Command: AT+SLEEP**
694	694
695		-| | |
696		-|**Command Example**|**Function**|**Response**
697		-|AT+SLEEP|Set to sleep mode|(((
698		-Clear all stored sensor data…
	1042	+[[image:image-20220523151218-7.png||_mstalt="430703"]]
699	699
700		-OK
701		-)))
	1044	+(% _msthash="315371" _msttexthash="298038" %)**Downlink Command:**
702	702
703		-
704		-**Downlink Command:**
705		-
706	706	* There is no downlink command to set to Sleep mode.
707	707
	1048	+== (% _msthash="336557" _msttexthash="309712" %)4.7 Set system time(%%) ==
708	708
	1050	+(% _msthash="315372" _msttexthash="2565524" %)
	1051	+Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
709	709
710		-== Set system time ==
	1053	+(% _msthash="315373" _msttexthash="137488" %)**AT Command:**
711	711
712		-Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
	1055	+[[image:image-20220523151253-8.png||_mstalt="430677"]]
713	713
714		-**AT Command:**
	1057	+(% _msthash="315374" _msttexthash="298038" %)**Downlink Command:**
715	715
716		-|**Command Example**|**Function**
717		-|AT+TIMESTAMP=1611104352|(((
718		-OK
719		-
720		-Set System time to 2021-01-20 00:59:12
721		-)))
722		-
723		-
724		-**Downlink Command:**
725		-
	1059	+(% _msthash="315375" _msttexthash="2898571" %)
726	726	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
727	727
	1062	+== (% _msthash="376779" _msttexthash="348712" %)4.8 Set Time Sync Mode(%%) ==
728	728
729		-== Set Time Sync Mode ==
730		-
	1064	+(((
	1065	+(% _msthash="506263" _msttexthash="11748321" %)
731	731	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
	1067	+)))
732	732
733		-
	1069	+(((
	1070	+(% _msthash="506264" _msttexthash="6530264" %)
734	734	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	+)))
735	735
	1074	+(((
	1075	+(% _msthash="506265" _msttexthash="137488" %)**AT Command:**
	1076	+)))
736	736
737		-**AT Command:**
	1078	+[[image:image-20220523151336-9.png||_mstalt="431717"]]
738	738
739		-|**Command Example**|**Function**
740		-|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
	1080	+(% _msthash="315376" _msttexthash="298038" %)**Downlink Command:**
741	741
742		-
743		-**Downlink Command:**
744		-
	1082	+(% _msthash="315377" _msttexthash="479648" %)
745	745	0x28 01 ~/~/ Same As AT+SYNCMOD=1
746	746
	1085	+(% _msthash="315378" _msttexthash="479076" %)
747	747	0x28 00 ~/~/ Same As AT+SYNCMOD=0
748	748
	1088	+== (% _msthash="536432" _msttexthash="502528" %)4.9 Set Time Sync Interval(%%) ==
749	749
750		-== Set Time Sync Interval ==
751		-
	1090	+(% _msthash="315379" _msttexthash="3065777" %)
752	752	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
753	753
754		-**AT Command:**
	1093	+(% _msthash="315380" _msttexthash="137488" %)**AT Command:**
755	755
756		-|**Command Example**|**Function**
757		-|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
	1095	+[[image:image-20220523151411-10.png||_mstalt="449696"]]
758	758
	1097	+(% _msthash="315381" _msttexthash="298038" %)**Downlink Command:**
759	759
760		-**Downlink Command:**
761		-
	1099	+(% _msthash="315382" _msttexthash="590044" %)
762	762	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
763	763
	1102	+== (% _msthash="927901" _msttexthash="882570" %)4.10 Print data entries base on page.(%%) ==
764	764
765		-== Print data entries base on page. ==
766		-
	1104	+(% _msthash="315383" _msttexthash="3233334" %)
767	767	Feature: Print the sector data from start page to stop page (max is 416 pages).
768	768
769		-**AT Command: AT+PDTA**
	1107	+(% _msthash="315384" _msttexthash="264953" %)**AT Command: AT+PDTA**
770	770
771		-|**Command Example**|**Response**
772		-|(((
773		-AT+PDTA=1,3
	1109	+[[image:image-20220523151450-11.png||_mstalt="451035"]]
774	774
	1111	+(% _msthash="315385" _msttexthash="298038" %)**Downlink Command:**
775	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		-
816		-**Downlink Command:**
817		-
	1113	+(% _msthash="315386" _msttexthash="799539" %)
818	818	No downlink commands for feature
819	819
	1116	+== (% _msthash="788762" _msttexthash="747149" %)4.11 Print last few data entries.(%%) ==
820	820
821		-
822		-== Print last few data entries. ==
823		-
	1118	+(% _msthash="315387" _msttexthash="1101009" %)
824	824	Feature: Print the last few data entries
825	825
826		-**AT Command: AT+PLDTA**
	1121	+(% _msthash="315388" _msttexthash="288522" %)**AT Command: AT+PLDTA**
827	827
828		-|**Command Example**|**Response**
829		-|(((
830		-AT+PLDTA=5
	1123	+[[image:image-20220523151524-12.png||_mstalt="452101"]]
831	831
	1125	+(% _msthash="315389" _msttexthash="298038" %)**Downlink Command:**
832	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		-
854		-**Downlink Command:**
855		-
	1127	+(% _msthash="315390" _msttexthash="799539" %)
856	856	No downlink commands for feature
857	857
	1130	+== (% _msthash="437814" _msttexthash="408057" %)4.12 Clear Flash Record(%%) ==
858	858
	1132	+(% _msthash="315391" _msttexthash="1609075" %)
	1133	+Feature: Clear flash storage for data log feature.
859	859
860		-== Clear Flash Record ==
	1135	+(% _msthash="315392" _msttexthash="311415" %)**AT Command: AT+CLRDTA**
861	861
862		-Feature: Clear flash storage for data log feature.
	1137	+[[image:image-20220523151556-13.png||_mstalt="454129"]]
863	863
864		-**AT Command: AT+CLRDTA**
	1139	+(% _msthash="315393" _msttexthash="388193" %)**Downlink Command: 0xA3**
865	865
866		-|**Command Example**|**Function**|**Response**
867		-|AT+CLRDTA|Clear date record|(((
868		-Clear all stored sensor data…
	1141	+* Example: 0xA301 ~/~/Same as AT+CLRDTA
869	869
870		-OK
871		-)))
	1143	+== (% _msthash="740532" _msttexthash="701363" %)4.13 Auto Send None-ACK messages(%%) ==
872	872
	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.
873	873
874		-**Downlink Command: 0xA3**
875	875
876		-* Example: 0xA301 ~/~/Same as AT+CLRDTA
	1149	+(% _msthash="315395" _msttexthash="334256" %)**AT Command: AT+PNACKMD**
877	877
	1151	+(% _msthash="315396" _msttexthash="734682" %)
	1152	+The default factory setting is 0
878	878
	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
879	879
	1158	+(% _msthash="315397" _msttexthash="383981" %)**Downlink Command: 0x34**
880	880
881		-= Battery & How to replace =
	1160	+* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
882	882
883		-== Battery Type ==
	1162	+= (% _msthash="568737" _msttexthash="502827" %)5. Battery & How to replace(%%) =
884	884
	1164	+== (% _msthash="265486" _msttexthash="242073" %)5.1 Battery Type(%%) ==
	1165	+
	1166	+(% _msthash="315398" _msttexthash="33754799" %)
885	885	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.
886	886
	1169	+(((
887	887	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
888		-[[image:image-20220515075034-1.png||height="208" width="644"]]
	1171	+[[image:image-20220515075034-1.png||_mstalt="428961" height="208" width="644"]]
	1172	+)))
889	889
890		-
	1174	+(((
891	891	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
892	892
	1177	+)))
893	893
894		-== Replace Battery ==
	1179	+== (% _msthash="353795" _msttexthash="326703" %)5.2 Replace Battery(%%) ==
895	895
	1181	+(% _msthash="315399" _msttexthash="11289278" %)
896	896	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.
897	897
898		-[[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"]]
899	899
	1186	+== (% _msthash="494650" _msttexthash="462241" %)5.3 Battery Life Analyze(%%) ==
900	900
901		-== Battery Life Analyze ==
902		-
	1188	+(((
	1189	+(% _msthash="506268" _msttexthash="35479028" %)
903	903	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:
904	904	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
	1192	+)))
905	905
	1194	+= (% _msthash="183170" _msttexthash="163566" %)6. Order Info(%%) =
906	906
907		-= Order Info =
	1196	+(((
	1197	+(% _msthash="506269" _msttexthash="432432" %)
	1198	+Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
	1199	+)))
908	908
909		-Part Number: (% class="mark" %)**LHT65N-XX**
	1201	+(((
	1202	+(% _msthash="506270" _msttexthash="686946" %)
	1203	+(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
	1204	+)))
910	910
911		-**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	+)))
912	912
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
	1239	+(((
	1240	+(% _msthash="506271" _msttexthash="443495" %)
	1241	+(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
	1242	+)))
921	921
922		-**YY**: Sensor Accessories
	1244	+* (((
	1245	+(% _msthash="903335" _msttexthash="720135" %)
	1246	+(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
	1247	+)))
923	923
924		-* **E3**: External Temperature Probe
	1249	+= (% _msthash="233363" _msttexthash="211237" %)7. Packing Info(%%) =
925	925
926		-= Packing Info =
927		-
	1251	+(((
	1252	+(% _msthash="506272" _msttexthash="295386" %)
928	928	**Package Includes**:
	1254	+)))
929	929
930		-* LHT65N Temperature & Humidity Sensor x 1
931		-* Program cable x 1
932		-* 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	+)))
933	933
	1269	+(((
	1270	+(% _msthash="506273" _msttexthash="403858" %)
934	934	**Dimension and weight**:
	1272	+)))
935	935
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
	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	+)))
940	940
941		-= FCC Warning =
	1291	+= (% _msthash="198744" _msttexthash="178776" %)8. FCC Warning(%%) =
942	942
	1293	+(((
	1294	+(% _msthash="506274" _msttexthash="6034353" %)
943	943	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
	1296	+)))
944	944
945		-(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	+)))
946	946
947		-(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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