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16 16  
17 17  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
18 18  
19 -
19 +(((
20 20  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**(%%)**.**
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21 21  
23 +(((
22 22  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.
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23 23  
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24 24  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
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25 25  
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26 26  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
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27 27  
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28 28  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.
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29 29  
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30 30  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
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31 31  
32 32  == 1.2 Features ==
33 33  
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45 45  
46 46  == 1.3 Specification ==
47 47  
59 +(((
48 48  **Built-in Temperature Sensor:**
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49 49  
50 -* Resolution: 0.01 °C
51 -* Accuracy Tolerance : Typ ±0.3 °C
52 -* Long Term Drift: < 0.02 °C/yr
53 -* Operating Range: -40 ~~ 85 °C
63 +* (((
64 +Resolution: 0.01 °C
65 +)))
66 +* (((
67 +Accuracy Tolerance : Typ ±0.3 °C
68 +)))
69 +* (((
70 +Long Term Drift: < 0.02 °C/yr
71 +)))
72 +* (((
73 +Operating Range: -40 ~~ 85 °C
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54 54  
76 +(((
55 55  **Built-in Humidity Sensor:**
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56 56  
57 -* Resolution: 0.04 %RH
58 -* Accuracy Tolerance : Typ ±3 %RH
59 -* Long Term Drift: < 0.02 °C/yr
60 -* Operating Range: 0 ~~ 96 %RH
80 +* (((
81 +Resolution: 0.04 %RH
82 +)))
83 +* (((
84 +Accuracy Tolerance : Typ ±3 %RH
85 +)))
86 +* (((
87 +Long Term Drift: < 0.02 °C/yr
88 +)))
89 +* (((
90 +Operating Range: 0 ~~ 96 %RH
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61 61  
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62 62  **External Temperature Sensor:**
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63 63  
64 -* Resolution: 0.0625 °C
65 -* ±0.5°C accuracy from -10°C to +85°C
66 -* ±2°C accuracy from -55°C to +125°C
67 -* Operating Range: -55 °C ~~ 125 °C
97 +* (((
98 +Resolution: 0.0625 °C
99 +)))
100 +* (((
101 +±0.5°C accuracy from -10°C to +85°C
102 +)))
103 +* (((
104 +±2°C accuracy from -55°C to +125°C
105 +)))
106 +* (((
107 +Operating Range: -55 °C ~~ 125 °C
108 +)))
68 68  
69 69  = 2. Connect LHT65N to IoT Server =
70 70  
71 71  == 2.1 How does LHT65N work? ==
72 72  
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73 73  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.
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74 74  
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75 75  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.
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76 76  
77 -
78 78  == 2.2 How to Activate LHT65N? ==
79 79  
80 80  The LHT65N has two working modes:
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82 82  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
83 83  * **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. 
84 84  
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85 85  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
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86 86  
87 87  [[image:image-20220515123819-1.png||height="379" width="317"]]
88 88  
89 -(% border="1" %)
90 -|**Behavior on ACT**|**Function**|**Action**
91 -|**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.
92 -|**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.
93 -|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
135 +(% border="1" style="background-color:#ffffcc; color:green; width:739px" %)
136 +|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action**
137 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)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.
138 +|**Pressing ACT for more than 3s**|Active Device|(% style="width:424px" %)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.
139 +|**Fast press ACT 5 times**|Deactivate Device|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
94 94  
95 95  == 2.3 Example to join LoRaWAN network ==
96 96  
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137 137  
138 138  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.
139 139  
140 -[[image:image-20220522233300-8.png]]
186 +[[image:image-20220522233300-8.png||height="219" width="722"]]
141 141  
142 142  
143 143  == 2.4 Uplink Payload ==
144 144  
145 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
191 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
146 146  
147 -After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
193 +After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
148 148  
149 149  
150 -(% border="1" style="width:572px" %)
151 -|(% 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**
152 -|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
153 -[[Built-In>>path:#SHT20_Temperature]]
196 +(% border="1" style="width:605px" %)
197 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:183px" %)**2**|(% style="width:155.172px" %)**2**|(% style="width:49px" %)**1**|(% style="width:92px" %)**4**
198 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]|(% style="width:183px" %)(((
199 +[[Built In Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
200 +)))|(% style="width:155.172px" %)(((
201 +[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
202 +)))|(% style="width:49px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:92px" %)[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
154 154  
155 -[[Temperature>>path:#SHT20_Temperature]]
156 -)))|(% style="width:103px" %)(((
157 -[[Built-in>>path:#SHT20_Humidity]]
158 -
159 -[[Humidity>>path:#SHT20_Humidity]]
160 -)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
161 -
162 162  * The First 6 bytes: has fix meanings for every LHT65N.
163 163  * The 7th byte (EXT #): defines the external sensor model.
164 164  * 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.)
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171 171  
172 172  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
173 173  
174 -[[image:image-20220522234118-10.png]]
216 +[[image:image-20220522234118-10.png||height="353" width="729"]]
175 175  
176 -
177 177  === 2.4.2 BAT-Battery Info ===
178 178  
179 179  These two bytes of BAT include the battery state and the actually voltage
180 180  
181 -(% style="width:646px" %)
182 -|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
183 -|Value|(% style="width:272px" %)(((
222 +(% border="1" style="width:508px" %)
223 +|(% style="width:75px" %)Bit(bit)|(% style="width:268px" %)[15:14]|(% style="width:162px" %)[13:0]
224 +|(% style="width:75px" %)Value|(% style="width:268px" %)(((
184 184  BAT Status
185 185  
186 186  00(b): Ultra Low ( BAT <= 2.50v)
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190 190  10(b): OK   (2.55v <= BAT <=2.65v)
191 191  
192 192  11(b): Good   (BAT >= 2.65v)
193 -)))|(% style="width:214px" %)Actually BAT voltage
234 +)))|(% style="width:162px" %)Actually BAT voltage
194 194  
195 195  [[image:image-20220522235639-1.png]]
196 196  
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266 266  [[Time Stamp>>path:#Unix_Time_Stamp]]
267 267  )))
268 268  
269 -* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
310 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
270 270  
271 271  (% border="1" style="width:587px" %)
272 272  |Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]

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