Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 51.1 >
edited by Edwin Chen
on 2022/05/23 00:18
To version < 108.1 >
edited by Bei Jinggeng
on 2022/05/25 17:30
>
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Summary

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
... ... @@ -34,577 +34,1277 @@
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="734578" _msttexthash="21372" %)^^th^^(%%) ~~ 11(% _msthash="734579" _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" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
388 +* **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="504956" _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 -
373 -
538 +(((
539 +(% _msthash="506077" _msttexthash="14670916" %)
374 374  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 +)))
375 375  
543 +(((
544 +For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% style="display:none" %)
545 +)))
376 376  
377 -For example, downlink command 31 5FC5F350 5FC6 0160 05
378 -
547 +(((
548 +(% _msthash="506078" _msttexthash="6907459" %)
379 379  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
550 +)))
380 380  
552 +(((
553 +(% _msthash="506079" _msttexthash="23531573" %)
381 381  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
555 +)))
382 382  
383 383  
384 -=== Datalog Uplink payload ===
558 +=== (% _msthash="650923" _msttexthash="614185" %)2.6.5 Datalog Uplink payload(%%) ===
385 385  
560 +(% _msthash="315267" _msttexthash="2245087" %)
386 386  The Datalog poll reply uplink will use below payload format.
387 387  
563 +(((
564 +(% _msthash="506080" _msttexthash="451581" %)**Retrieval data payload**
565 +)))
388 388  
389 -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 +)))
390 390  
391 -|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
392 -|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
393 -[[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 +)))
394 394  
395 -[[Temperature>>path:#SHT20_Temperature]]
396 -)))|(((
397 -[[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 +)))
398 398  
399 -[[Humidity>>path:#SHT20_Humidity]]
400 -)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
401 -[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
637 +(((
638 +(((
639 +
640 +)))
641 +)))
642 +)))
402 402  
644 +(% _msthash="315268" _msttexthash="390390" %)**Poll message flag & Ext**
645 +
646 +[[image:image-20220523152208-14.png||_mstalt="452920"]]
647 +
648 +(((
649 +(((
650 +(% _msthash="736723" _msttexthash="2005003" %)
651 +Poll Message Flag: 1: This message is a poll message reply.
652 +)))
653 +)))
654 +
655 +* (((
656 +(((
657 +(% _msthash="1197157" _msttexthash="561548" %)
658 +Poll Message Flag is set to 1.
659 +)))
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 +)))
667 +
668 +(((
669 +(((
670 +(% _msthash="736724" _msttexthash="2242344" %)
671 +For example, in US915 band, the max payload for different DR is:
672 +)))
673 +)))
674 +
675 +(((
676 +(((
677 +(% _msthash="736725" _msttexthash="1065532" %)
678 +a) DR0: max is 11 bytes so one entry of data
679 +)))
680 +)))
681 +
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 +)))
688 +
689 +(((
690 +(((
691 +(% _msthash="736727" _msttexthash="1454115" style="text-align: left;" %)
692 +c) DR2: total payload includes 11 entries of data
693 +)))
694 +)))
695 +
696 +(((
697 +(((
698 +(% _msthash="736728" _msttexthash="1483924" style="text-align: left;" %)
699 +d) DR3: total payload includes 22 entries of data.
700 +)))
701 +)))
702 +
703 +(((
704 +(((
705 +(% _msthash="736729" _msttexthash="5848349" style="text-align: left;" %)
706 +If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
707 +)))
708 +)))
709 +
710 +
711 +(% style="text-align: left;" %)
712 +(% _msthash="315269" _msttexthash="104767" %)**Example:**
713 +
714 +(% _msthash="315270" _msttexthash="913822" style="text-align: left;" %)
715 +If LHT65N has below data inside Flash:
716 +
717 +[[image:image-20220523144455-1.png||_mstalt="430040" height="335" width="735"]]
718 +
719 +(((
720 +(% _msthash="506081" _msttexthash="1663961" style="text-align: left;" %)
721 +If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
722 +)))
723 +
724 +(((
725 +(% _msthash="506082" _msttexthash="1092494" style="text-align: left;" %)
726 + Where : Start time: 60065F97 = time 21/1/19 04:27:03
727 +)))
728 +
729 +(((
730 +(% _msthash="506083" _msttexthash="737269" style="text-align: left;" %)
731 + Stop time 60066DA7= time 21/1/19 05:27:03
732 +)))
733 +
734 +(((
403 403  
404 404  )))
405 405  
738 +(((
739 +(% _msthash="506084" _msttexthash="751218" style="text-align: left;" %)
740 +LHT65N will uplink this payload.
741 +)))
406 406  
407 -Poll message flag & Ext
743 +[[image:image-20220523001219-13.png||_mstalt="451204" height="421" style="text-align:left" width="727"]]
408 408  
745 +(% _msthash="315271" _msttexthash="12012546" style="text-align: left;" %)
746 +7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
409 409  
410 -|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
411 -|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
412 -Ext:
748 +(% _msthash="315272" _msttexthash="1656720" style="text-align: left;" %)
749 +where the first 11 bytes represent the first entry:
413 413  
414 -0b(1001)
751 +(% _msthash="315273" _msttexthash="274846" style="text-align: left;" %)
752 +7FFF089801464160065F97
753 +
754 +(% _msthash="315274" _msttexthash="838786" style="text-align: left;" %)
755 +External sensor data = 0x7FFF/100 = 327.67
756 +
757 +(% _msthash="315275" _msttexthash="497666" style="text-align: left;" %)
758 +temperature = 0x0898 / 100 = 22.00
759 +
760 +(% _msthash="315276" _msttexthash="242424" style="text-align: left;" %)
761 +buzz = 0x0146/10 = 32.6
762 +
763 +(% _msthash="315277" _msttexthash="2633449" style="text-align: left;" %)
764 +The polling message flag & Ext=0x41, indicating the reply data, Ext=1
765 +
766 +(% _msthash="315278" _msttexthash="1274962" style="text-align: left;" %)
767 +The Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
768 +
769 +
770 +(% style="text-align: left;" %)
771 +== (% _msthash="244504" _msttexthash="188136" %)2.7 alarm mode(%%) ==
772 +
773 +(% _msthash="315279" _msttexthash="16493308" style="text-align: left;" %)
774 +when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
775 +
776 +(((
777 +(% style="text-align: left;" %)
778 +(% _msthash="506085" _msttexthash="8782189" style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
415 415  )))
416 416  
781 +(% style="text-align: left;" %)
782 +(% _msthash="315280" _msttexthash="363480" %)**AT COMMAND FOR ALARM MODE:**
417 417  
418 -Poll Message Flag: 1: This message is a poll message reply.
784 +(% class="box infomessage" %)
785 +(((
786 +(% _msthash="506086" _msttexthash="2193529" style="text-align: left;" %)
787 +(% _istranslated="1" _mstmutation="1" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
419 419  
420 -* Poll Message Flag is set to 1.
421 -* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
789 +(% _msthash="506087" _msttexthash="3671265" style="text-align: left;" %)
790 +(% _istranslated="1" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
422 422  
423 -For example, in US915 band, the max payload for different DR is:
792 +(% _msthash="506088" _msttexthash="3310437" style="text-align: left;" %)
793 +(% _istranslated="1" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
424 424  
425 -a)      DR0: max is 11 bytes so one entry of data
795 +(% style="text-align: left;" %)
796 +(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% style="display:none" %)
426 426  
427 -b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
798 +(% _msthash="506089" _msttexthash="3590067" style="text-align: left;" %)
799 +(% _istranslated="1" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
800 +)))
428 428  
429 -c)      DR2: total payload includes 11 entries of data
802 +== ==
430 430  
431 -d)      DR3: total payload includes 22 entries of data.
804 +(% style="text-align: left;" %)
805 +== (% _msthash="168103" _msttexthash="59969" %)2.8 led(%%) ==
432 432  
433 -If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
807 +(((
808 +(% _msthash="506090" _msttexthash="2378701" style="text-align: left;" %)
809 +THE LHT65N HAS TRI-COLOR LEDS THAT MAKE IT EASY TO DISPLAY DIFFERENT STAGES.
810 +)))
434 434  
812 +(((
813 +(% _msthash="506091" _msttexthash="3959839" style="text-align: left;" %)
814 +WHEN THE ACT BUTTON IS PRESSED, THE LED OPERATES ACCORDING TO THE STATE OF THE LED WITH THE ACT BUTTON.
815 +)))
435 435  
436 -**Example:**
817 +(((
818 +(% _msthash="506092" _msttexthash="934024" style="text-align: left;" %)
819 +under normal operating conditions:
820 +)))
437 437  
438 -If LHT65N has below data inside Flash:
822 +* (((
823 +(% _msthash="903005" _msttexthash="999700" %)
824 +FOR EACH UPLINK, THE BLUE OR RED LED BLINKS ONCE.
825 +)))
826 +* (((
827 +(% _msthash="903006" _msttexthash="877656" %)
828 +BLUE LED WHEN CONNECTING EXTERNAL SENSORS
829 +)))
830 +* (((
831 +(% _msthash="903007" _msttexthash="1043640" %)
832 +RED LED WHEN AN EXTERNAL SENSOR IS NOT CONNECTED
833 +)))
834 +* (((
835 +(% _msthash="903008" _msttexthash="1585363" %)
836 +FOR EACH SUCCESSFUL DOWNLINK, THE PURPLE LED WILL BLINK ONCE
837 +)))
439 439  
440 -Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
839 +----
441 441  
442 -80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
841 +(% style="text-align: left;" %)
842 +== (% _msthash="112034" _msttexthash="277511" %)2.9 installation(%%) ==
443 443  
444 -80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
844 +[[image:image-20220516231650-1.png||_mstalt="428597" height="436" width="428"]]
445 445  
446 -8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
846 +(% style="text-align: left;" %)
847 += (% _msthash="401388" _msttexthash="566956" %)3. sensors and accessories(%%) =
447 447  
448 -8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
849 +(% style="text-align: left;" %)
850 +== (% _msthash="280358" _msttexthash="340158" %)3.1 E3 TEMPERATURE PROBE(%%) ==
449 449  
450 -8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
852 +[[image:image-20220515080154-4.png||_mstalt="434681" alt="photo-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png||_mstalt="428792" height="201" width="195"]]
451 451  
452 -8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
453 453  
454 -8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
855 +(% _msthash="315354" _msttexthash="1093430" style="text-align: left;" %)
856 +temperature sensor with 2 m cable length
455 455  
456 -8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
858 +* RESOLUTION: 0.0625°C
859 +* ±0.5°C ACCURACY FROM -10°C TO +85°C
860 +* ±2°C ACCURACY FROM -55°C TO +125°C
861 +* OPERATING RANGE: -40 ~~ 125 °C
862 +* -55°C 至 125°C
863 +* working voltage 2.35v ~~ 5v
457 457  
865 +(% style="text-align: left;" %)
866 += (% _msthash="1940107" _msttexthash="1714063" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
458 458  
459 -If user sends below downlink command:
868 +(((
869 +(% _msthash="506246" _msttexthash="2005926" style="text-align: left;" %)
870 +Use can configure LHT65N via AT Command or LoRaWAN Downlink.
871 +)))
460 460  
461 -3160065F9760066DA705
873 +* (((
874 +(% _msthash="903318" _msttexthash="635544" %)
875 +AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
876 +)))
877 +* (((
878 +(% _msthash="903319" _msttexthash="2004301" %)
879 +LoRaWAN Downlink instruction for different platforms:
880 +)))
462 462  
463 - Where : Start time: 60065F97 = time 21/1/19 04:27:03
882 +(((
883 +(% style="text-align: left;" %)
884 +[[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"]]
885 +)))
464 464  
465 - Stop time 60066DA7= time 21/1/19 05:27:03
887 +(((
888 +(% _msthash="506248" _msttexthash="2144051" style="text-align: left;" %)
889 +There are two kinds of commands to configure LHT65N, they are:
890 +)))
466 466  
892 +(((
893 +(% style="text-align: left;" %)
894 +(% _msthash="506249" _msttexthash="317850" style="color:#4f81bd" %)* **General Commands**.
895 +)))
467 467  
468 -LHT65N will uplink this payload.
897 +(((
898 +(% _msthash="506250" _msttexthash="774527" style="text-align: left;" %)
899 +These commands are to configure:
900 +)))
469 469  
470 -[[image:image-20220523001219-13.png]]
902 +* (((
903 +(% _msthash="903320" _msttexthash="1503580" %)
904 +General system settings like: uplink interval.
905 +)))
906 +* (((
907 +(% _msthash="903321" _msttexthash="1244334" %)
908 +LoRaWAN protocol & radio-related commands.
909 +)))
471 471  
472 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
911 +(((
912 +(% _msthash="506251" _msttexthash="8343023" style="text-align: left;" %)
913 +They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
914 +)))
473 473  
474 -Where the first 11 bytes is for the first entry:
916 +(((
917 +(% style="text-align: left;" %)
918 +[[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"]]
919 +)))
475 475  
476 -7FFF089801464160065F97
921 +(((
922 +(% style="text-align: left;" %)
923 +(% style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" %)**Commands special design for LHT65N**
924 +)))
477 477  
478 -Ext sensor data=0x7FFF/100=327.67
926 +(((
927 +(% _msthash="506254" _msttexthash="1501357" style="text-align: left;" %)
928 +These commands are only valid for LHT65N, as below:
929 +)))
479 479  
480 -Temp=0x0898/100=22.00
931 +(% style="text-align: left;" %)
932 +== (% _msthash="708253" _msttexthash="668772" %)4.1 Set Transmit Interval Time(%%) ==
481 481  
482 -Hum=0x0146/10=32.6
934 +(% _msthash="315355" _msttexthash="1659268" style="text-align: left;" %)
935 +Feature: Change LoRaWAN End Node Transmit Interval.
483 483  
484 -poll message flag & Ext=0x41,means reply data,Ext=1
937 +(% style="text-align: left;" %)
938 +(% _msthash="315356" _msttexthash="241696" %)**AT Command: AT+TDC**
485 485  
486 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
940 +[[image:image-20220523150701-2.png||_mstalt="427453"]]
487 487  
942 +(((
943 +(% style="text-align: left;" %)
944 +(% _msthash="506255" _msttexthash="381992" %)**Downlink Command: 0x01**
945 +)))
488 488  
489 -== Alarm Mode ==
947 +(((
948 +(% _msthash="506256" _msttexthash="1996592" style="text-align: left;" %)
949 +Format: Command Code (0x01) followed by 3 bytes time value.
950 +)))
490 490  
491 -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.
952 +(((
953 +(% _msthash="506257" _msttexthash="12934649" style="text-align: left;" %)
954 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
955 +)))
492 492  
957 +* (((
958 +(% _msthash="903322" _msttexthash="3250546" %)
959 +**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
960 +)))
961 +* (((
962 +(% _msthash="903323" _msttexthash="3253315" %)
963 +**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
964 +)))
493 493  
494 -Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
966 +(% style="text-align: left;" %)
967 +== (% _msthash="614770" _msttexthash="578240" %)4.2 Set External Sensor Mode(%%) ==
495 495  
969 +(% _msthash="315357" _msttexthash="975117" style="text-align: left;" %)
970 +Feature: Change External Sensor Mode.
496 496  
497 -AT Commands for Alarm mode:
972 +(% style="text-align: left;" %)
973 +(% _msthash="315358" _msttexthash="248118" %)**AT Command: AT+EXT**
498 498  
499 -**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
975 +[[image:image-20220523150759-3.png||_mstalt="432146"]]
500 500  
501 -**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
977 +(((
978 +(% style="text-align: left;" %)
979 +(% _msthash="506258" _msttexthash="387855" %)**Downlink Command: 0xA2**
980 +)))
502 502  
982 +(((
983 +(% _msthash="506259" _msttexthash="395629" style="text-align: left;" %)
984 +Total bytes: 2 ~~ 5 bytes
985 +)))
503 503  
987 +(((
988 +(% _msthash="506260" _msttexthash="104767" %)**Example:**
989 +)))
504 504  
505 -== LED Indicator ==
991 +* (((
992 +(% _msthash="903324" _msttexthash="934973" %)
993 +0xA201: Set external sensor type to E1
994 +)))
995 +* (((
996 +(% _msthash="903325" _msttexthash="354770" %)
997 +0xA209: Same as AT+EXT=9
998 +)))
999 +* (((
1000 +(% _msthash="903326" _msttexthash="639067" %)
1001 +0xA20702003c,Same as AT+SETCNT=60
1002 +)))
506 506  
507 -The LHT65N has a triple color LED which for easy shows different stage.
1004 +(% style="text-align: left;" %)
1005 +== (% _msthash="1562483" _msttexthash="1445717" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
508 508  
509 -While pressing ACT button, the LED will work as per LED status with ACT button.
1007 +(% _msthash="315359" _msttexthash="2977572" style="text-align: left;" %)
1008 +Feature: If PID is enabled, device will send the temperature probe ID on:
510 510  
511 -In a normal working state:
1010 +* First Packet after OTAA Join
1011 +* Every 24 hours since the first packet.
512 512  
513 -* For each uplink, the BLUE LED or RED LED will blink once.
514 -* BLUE LED when an external sensor is connected
515 -* RED LED when an external sensor is not connected
516 -* For each success downlink, the PURPLE LED will blink once
1013 +(% _msthash="315360" _msttexthash="658814" style="text-align: left;" %)
1014 +PID is default set to disable (0)
517 517  
518 -----
1016 +(% style="text-align: left;" %)
1017 +(% _msthash="315361" _msttexthash="137488" %)**AT Command:**
519 519  
520 -== Installation ==
1019 +[[image:image-20220523150928-4.png||_mstalt="431821"]]
521 521  
522 -[[image:image-20220516231650-1.png||height="632" width="620"]]
1021 +(% style="text-align: left;" %)
1022 +(% _msthash="315362" _msttexthash="298038" %)**Downlink Command:**
523 523  
1024 +* 0xA800  **~-~->** AT+PID=0
1025 +* 0xA801     **~-~->** AT+PID=1
524 524  
1027 +(% style="text-align: left;" %)
1028 +== (% _msthash="266344" _msttexthash="242879" %)4.4 Set Password(%%) ==
525 525  
1030 +(% _msthash="315363" _msttexthash="1170728" style="text-align: left;" %)
1031 +Feature: Set device password, max 9 digits
526 526  
527 -= Sensors & Accessories =
1033 +(% style="text-align: left;" %)
1034 +(% _msthash="315364" _msttexthash="295009" %)**AT Command: AT+PWORD**
528 528  
529 -== E3 Temperature Probe ==
1036 +[[image:image-20220523151052-5.png||_mstalt="428623"]]
530 530  
531 -[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
1038 +(((
1039 +(% style="text-align: left;" %)
1040 +(% _msthash="506261" _msttexthash="298038" %)**Downlink Command:**
1041 +)))
532 532  
1043 +(((
1044 +(% _msthash="506262" _msttexthash="974311" style="text-align: left;" %)
1045 +No downlink command for this feature.
1046 +)))
533 533  
534 -With Temperature sensor with 2 meters cable long
1048 +(% style="text-align: left;" %)
1049 +== (% _msthash="306956" _msttexthash="281918" %)4.5 Quit AT Command(%%) ==
535 535  
536 -* Resolution: 0.0625 °C
537 -* ±0.5°C accuracy from -10°C to +85°C
538 -* ±2°C accuracy from -55°C to +125°C
539 -* Operating Range: -40 ~~ 125 °C
540 -* -55°C to 125°C
541 -* Working voltage 2.35v ~~ 5v
542 -
1051 +(% _msthash="315365" _msttexthash="4616456" style="text-align: left;" %)
1052 +Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
543 543  
544 -= Battery & How to replace =
1054 +(% style="text-align: left;" %)
1055 +(% _msthash="315366" _msttexthash="289120" %)**AT Command: AT+DISAT**
545 545  
546 -== Battery Type ==
1057 +[[image:image-20220523151132-6.png||_mstalt="428649"]]
547 547  
1059 +(% style="text-align: left;" %)
1060 +(% _msthash="315367" _msttexthash="298038" %)**Downlink Command:**
1061 +
1062 +(% _msthash="315368" _msttexthash="974311" style="text-align: left;" %)
1063 +No downlink command for this feature.
1064 +
1065 +(% style="text-align: left;" %)
1066 +== (% _msthash="362752" _msttexthash="334919" %)4.6 Set to sleep mode(%%) ==
1067 +
1068 +(% _msthash="315369" _msttexthash="779688" style="text-align: left;" %)
1069 +Feature: Set device to sleep mode
1070 +
1071 +(% style="text-align: left;" %)
1072 +(% _msthash="315370" _msttexthash="289783" %)**AT Command: AT+SLEEP**
1073 +
1074 +[[image:image-20220523151218-7.png||_mstalt="430703"]]
1075 +
1076 +(% _msthash="315371" _msttexthash="298038" %)**Downlink Command:**
1077 +
1078 +* There is no downlink command to set to Sleep mode.
1079 +
1080 +== (% _msthash="336557" _msttexthash="309712" %)4.7 Set system time(%%) ==
1081 +
1082 +(% _msthash="315372" _msttexthash="2565524" %)
1083 +Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1084 +
1085 +(% _msthash="315373" _msttexthash="137488" %)**AT Command:**
1086 +
1087 +[[image:image-20220523151253-8.png||_mstalt="430677"]]
1088 +
1089 +(% _msthash="315374" _msttexthash="298038" %)**Downlink Command:**
1090 +
1091 +(% _msthash="315375" _msttexthash="2898571" %)
1092 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1093 +
1094 +== (% _msthash="376779" _msttexthash="348712" %)4.8 Set Time Sync Mode(%%) ==
1095 +
1096 +(((
1097 +(% _msthash="506263" _msttexthash="11748321" %)
1098 +Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1099 +)))
1100 +
1101 +(((
1102 +(% _msthash="506264" _msttexthash="6530264" %)
1103 +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.
1104 +)))
1105 +
1106 +(((
1107 +(% _msthash="506265" _msttexthash="137488" %)**AT Command:**
1108 +)))
1109 +
1110 +[[image:image-20220523151336-9.png||_mstalt="431717"]]
1111 +
1112 +(% _msthash="315376" _msttexthash="298038" %)**Downlink Command:**
1113 +
1114 +(% _msthash="315377" _msttexthash="479648" %)
1115 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
1116 +
1117 +(% _msthash="315378" _msttexthash="479076" %)
1118 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
1119 +
1120 +== (% _msthash="536432" _msttexthash="502528" %)4.9 Set Time Sync Interval(%%) ==
1121 +
1122 +(% _msthash="315379" _msttexthash="3065777" %)
1123 +Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1124 +
1125 +(% _msthash="315380" _msttexthash="137488" %)**AT Command:**
1126 +
1127 +[[image:image-20220523151411-10.png||_mstalt="449696"]]
1128 +
1129 +(% _msthash="315381" _msttexthash="298038" %)**Downlink Command:**
1130 +
1131 +(% _msthash="315382" _msttexthash="590044" %)
1132 +0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1133 +
1134 +== (% _msthash="927901" _msttexthash="882570" %)4.10 Print data entries base on page.(%%) ==
1135 +
1136 +(% _msthash="315383" _msttexthash="3233334" %)
1137 +Feature: Print the sector data from start page to stop page (max is 416 pages).
1138 +
1139 +(% _msthash="315384" _msttexthash="264953" %)**AT Command: AT+PDTA**
1140 +
1141 +[[image:image-20220523151450-11.png||_mstalt="451035"]]
1142 +
1143 +(% _msthash="315385" _msttexthash="298038" %)**Downlink Command:**
1144 +
1145 +(% _msthash="315386" _msttexthash="799539" %)
1146 +No downlink commands for feature
1147 +
1148 +== (% _msthash="788762" _msttexthash="747149" %)4.11 Print last few data entries.(%%) ==
1149 +
1150 +(% _msthash="315387" _msttexthash="1101009" %)
1151 +Feature: Print the last few data entries
1152 +
1153 +(% _msthash="315388" _msttexthash="288522" %)**AT Command: AT+PLDTA**
1154 +
1155 +[[image:image-20220523151524-12.png||_mstalt="452101"]]
1156 +
1157 +(% _msthash="315389" _msttexthash="298038" %)**Downlink Command:**
1158 +
1159 +(% _msthash="315390" _msttexthash="799539" %)
1160 +No downlink commands for feature
1161 +
1162 +== (% _msthash="437814" _msttexthash="408057" %)4.12 Clear Flash Record(%%) ==
1163 +
1164 +(% _msthash="315391" _msttexthash="1609075" %)
1165 +Feature: Clear flash storage for data log feature.
1166 +
1167 +(% _msthash="315392" _msttexthash="311415" %)**AT Command: AT+CLRDTA**
1168 +
1169 +[[image:image-20220523151556-13.png||_mstalt="454129"]]
1170 +
1171 +(% _msthash="315393" _msttexthash="388193" %)**Downlink Command: 0xA3**
1172 +
1173 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
1174 +
1175 +== (% _msthash="740532" _msttexthash="701363" %)4.13 Auto Send None-ACK messages(%%) ==
1176 +
1177 +(% _msthash="315394" _msttexthash="51837149" %)
1178 +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.
1179 +
1180 +
1181 +(% _msthash="315395" _msttexthash="334256" %)**AT Command: AT+PNACKMD**
1182 +
1183 +(% _msthash="315396" _msttexthash="734682" %)
1184 +The default factory setting is 0
1185 +
1186 +(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1187 +|=(% 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**
1188 +|(% _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
1189 +
1190 +(% _msthash="315397" _msttexthash="383981" %)**Downlink Command: 0x34**
1191 +
1192 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1193 +
1194 += (% _msthash="568737" _msttexthash="502827" %)5. Battery & How to replace(%%) =
1195 +
1196 +== (% _msthash="265486" _msttexthash="242073" %)5.1 Battery Type(%%) ==
1197 +
1198 +(% _msthash="315398" _msttexthash="33754799" %)
548 548  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.
549 549  
1201 +(((
550 550  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
551 -[[image:image-20220515075034-1.png||height="208" width="644"]]
1203 +[[image:image-20220515075034-1.png||_mstalt="428961" height="208" width="644"]]
1204 +)))
552 552  
553 -
1206 +(((
554 554  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
555 555  
1209 +)))
556 556  
557 -== Replace Battery ==
1211 +== (% _msthash="353795" _msttexthash="326703" %)5.2 Replace Battery(%%) ==
558 558  
1213 +(% _msthash="315399" _msttexthash="11289278" %)
559 559  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.
560 560  
561 -[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1216 +[[image:image-20220515075440-2.png||_mstalt="429546" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" height="193" width="257"]]
562 562  
1218 +== (% _msthash="494650" _msttexthash="462241" %)5.3 Battery Life Analyze(%%) ==
563 563  
564 -== Battery Life Analyze ==
565 -
1220 +(((
1221 +(% _msthash="506266" _msttexthash="35479028" %)
566 566  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:
567 567  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1224 +)))
568 568  
1226 += (% _msthash="183170" _msttexthash="163566" %)6. Order Info(%%) =
569 569  
570 -= Order Info =
1228 +(((
1229 +(% _msthash="506267" _msttexthash="432432" %)
1230 +Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1231 +)))
571 571  
572 -Part Number: (% class="mark" %)**LHT65N-XX**
1233 +(((
1234 +(% _msthash="506268" _msttexthash="686946" %)
1235 +(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1236 +)))
573 573  
574 -**XX**: The default frequency band
1238 +* (((
1239 +(% _msthash="903327" _msttexthash="393341" %)
1240 +(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1241 +)))
1242 +* (((
1243 +(% _msthash="903328" _msttexthash="394576" %)
1244 +(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1245 +)))
1246 +* (((
1247 +(% _msthash="903329" _msttexthash="393913" %)
1248 +(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1249 +)))
1250 +* (((
1251 +(% _msthash="903330" _msttexthash="399087" %)
1252 +(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1253 +)))
1254 +* (((
1255 +(% _msthash="903331" _msttexthash="395109" %)
1256 +(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1257 +)))
1258 +* (((
1259 +(% _msthash="903332" _msttexthash="400842" %)
1260 +(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1261 +)))
1262 +* (((
1263 +(% _msthash="903333" _msttexthash="396487" %)
1264 +(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1265 +)))
1266 +* (((
1267 +(% _msthash="903334" _msttexthash="390923" %)
1268 +(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1269 +)))
575 575  
576 -* **AS923**: LoRaWAN AS923 band
577 -* **AU915**: LoRaWAN AU915 band
578 -* **EU433**: LoRaWAN EU433 band
579 -* **EU868**: LoRaWAN EU868 band
580 -* **KR920**: LoRaWAN KR920 band
581 -* **US915**: LoRaWAN US915 band
582 -* **IN865**: LoRaWAN IN865 band
583 -* **CN470**: LoRaWAN CN470 band
1271 +(((
1272 +(% _msthash="506269" _msttexthash="443495" %)
1273 +(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1274 +)))
584 584  
585 -**YY**: Sensor Accessories
1276 +* (((
1277 +(% _msthash="903335" _msttexthash="720135" %)
1278 +(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1279 +)))
586 586  
587 -* **E3**: External Temperature Probe
1281 += (% _msthash="233363" _msttexthash="211237" %)7. Packing Info(%%) =
588 588  
589 -= Packing Info =
590 -
1283 +(((
1284 +(% _msthash="506270" _msttexthash="295386" %)
591 591  **Package Includes**:
1286 +)))
592 592  
593 -* LHT65N Temperature & Humidity Sensor x 1
594 -* Program cable x 1
595 -* Optional external sensor
1288 +* (((
1289 +(% _msthash="903336" _msttexthash="1033149" %)
1290 +LHT65N Temperature & Humidity Sensor x 1
1291 +)))
1292 +* (((
1293 +(% _msthash="903337" _msttexthash="242567" %)
1294 +Program cable x 1
1295 +)))
1296 +* (((
1297 +(% _msthash="903338" _msttexthash="544167" %)
1298 +Optional external sensor
1299 +)))
596 596  
1301 +(((
1302 +(% _msthash="506271" _msttexthash="403858" %)
597 597  **Dimension and weight**:
1304 +)))
598 598  
599 -* Device Size:  13.5 x 7 x 3 cm
600 -* Device Weight: 105g
601 -* Package Size / pcs : 14.5 x 8 x 5 cm
602 -* Weight / pcs : 170g
1306 +* (((
1307 +(% _msthash="903339" _msttexthash="391807" %)
1308 +Device Size:  13.5 x 7 x 3 cm
1309 +)))
1310 +* (((
1311 +(% _msthash="903340" _msttexthash="285298" %)
1312 +Device Weight: 105g
1313 +)))
1314 +* (((
1315 +(% _msthash="903341" _msttexthash="562926" %)
1316 +Package Size / pcs : 14.5 x 8 x 5 cm
1317 +)))
1318 +* (((
1319 +(% _msthash="903342" _msttexthash="227084" %)
1320 +Weight / pcs : 170g
1321 +)))
603 603  
604 -= FCC Warning =
1323 += (% _msthash="198744" _msttexthash="178776" %)8. FCC Warning(%%) =
605 605  
1325 +(((
1326 +(% _msthash="506272" _msttexthash="6034353" %)
606 606  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1328 +)))
607 607  
608 -(1) This device may not cause harmful interference, and
1330 +(((
1331 +(% _msthash="506273" _msttexthash="44097638" %)
1332 +(1) This device may not cause harmful interference；
1333 +)))
609 609  
610 -(2) this device must accept any interference received, including interference that may cause undesired operation
1335 +(((
1336 +(% _msthash="506274" _msttexthash="7559773" %)
1337 +(2) this device must accept any interference received, including interference that may cause undesired operation.
1338 +)))
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