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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.6
edited by Xiaoling
on 2022/06/21 09:30
Change comment: There is no comment for this version
To version 174.2
edited by Xiaoling
on 2022/06/21 09:50
Change comment: There is no comment for this version

Summary

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14 14  
15 15  
16 16  (% _mstvisible="1" %)
17 -= (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
17 += (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1.  Introduction(%%) =
18 18  
19 19  (% _mstvisible="1" %)
20 -== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT52 Temperature & Humidity Sensor(%%) ==
20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1  What is LHT52 Temperature & Humidity Sensor(%%) ==
21 21  
22 22  (% _mstvisible="1" %)
23 23  (((
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49 49  )))
50 50  
51 51  (% _mstvisible="1" %)
52 -== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
52 +== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2  Features(%%) ==
53 53  
54 54  (% _mstvisible="1" %)
55 55  * Wall Attachable.
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66 66  
67 67  
68 68  
69 -
70 70  (% _mstvisible="1" %)
71 -== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
70 +== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3  Specification(%%) ==
72 72  
73 73  (% _mstvisible="1" %)
74 74  (((
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109 109  (((
110 110  
111 111  
111 +
112 112  (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
113 +== 1.4  Power Consumption ==
114 +
115 +LHT52 (without external sensor): Idle: 5uA, Transmit: max 110mA
116 +
117 +LHT52 + External Temperature Probe (AS-01): Idle: 6uA, Transmit: max 110mA.
118 +
119 +
120 +
121 +== 1.5  Storage & Operation Temperature ==
122 +
123 +-20°C to +50°C
124 +
125 +
126 +
127 +== 1.6  Applications ==
128 +
129 +* Smart Buildings & Home Automation
130 +* Logistics and Supply Chain Management
131 +* Smart Metering
132 +* Smart Agriculture
133 +* Smart Cities
134 +* Smart Factory
135 +
113 113  
114 114  )))
115 115  
116 116  (% _mstvisible="1" %)
117 -= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
140 += (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2.  O(%%)peration Mode =
118 118  
119 119  (% _mstvisible="1" %)
120 -== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
143 +== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How it work?(%%) ==
121 121  
122 122  (% _mstvisible="1" %)
123 123  (((
124 124  (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
125 -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.
148 +Each LHT52 is shipped with a worldwide unique set of LoRaWAN OTAA keys. To use LHT52 in a LoRaWAN network, user needs to input the OTAA keys in LoRaWAN network server. After this, if LHT52 is under this LoRaWAN network coverage, LHT52 can join the LoRaWAN network and start to transmit sensor data. The default period for each uplink is** 20 minutes**.
149 +
150 +(% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
151 +
126 126  )))
127 127  
128 128  (% _mstvisible="1" %)
129 129  (((
130 130  (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
131 -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.
132 -
133 -(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
134 134  
135 135  )))
136 136  
137 137  (% _mstvisible="1" %)
138 -== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
161 +== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT52?(%%) ==
139 139  
140 -(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
141 -The LHT65N has two working modes:
163 +(% style="color:red" %)** 1.  Open enclosure from below position.**
142 142  
143 -(% _mstvisible="1" %)
144 -* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
145 -* (% style="color:blue" %)**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, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
165 +[[image:image-20220621093835-1.png]]
146 146  
147 -(% _mstvisible="1" %)
148 -(((
149 -(% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
150 -The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
151 -)))
152 152  
153 -(% _mstvisible="1" %)
154 -[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
168 +(% style="color:red" %)** 2.  Insert 2 x AAA LR03 batteries.**
155 155  
156 -(% _mstvisible="1" %)
157 -[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
170 +[[image:image-20220621093835-2.png]]
158 158  
159 159  
173 +(% style="color:red" %)** 3.  Press the reset button to activate device.**
174 +
175 +[[image:image-20220621093835-3.png]]
176 +
177 +
178 +User can check [[LED Status>>||anchor="H2.8A0LEDIndicator"]] to know the working state of LHT52.
179 +
180 +
181 +
160 160  (% _mstvisible="1" %)
161 161  == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
162 162  
163 -(% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
164 -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.
185 +This section shows an example for how to join the [[TheThingsNetwork>>url:https://www.thethingsnetwork.org/]] LoRaWAN IoT server. Usages with other LoRaWAN IoT servers are of similar procedure.
165 165  
166 166  (% _mstvisible="1" class="wikigeneratedid" %)
167 -[[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
188 +[[image:1655775912928-657.png]]
168 168  
169 -(% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
170 -Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network||_mstvisible="2"]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
190 +Assume the DLOS8 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. We need to add the LHT52 device in TTN V3 portal.
171 171  
172 172  
173 -(% _mstvisible="1" %)
174 -=== (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
193 +**Step 1**:  Create a device in TTN V3 with the OTAA keys from LHT52.
175 175  
176 -(% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
177 -Create a device in TTN V3 with the OTAA keys from LHT65N.
195 +Each LHT52 is shipped with a sticker with the default DEV EUI as below:
178 178  
179 -(% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
180 -Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
181 181  
182 -(% _mstvisible="1" %)
183 183  [[image:image-20220617150003-1.jpeg]]
184 184  
185 -(% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
186 -User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
187 187  
188 -(% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
201 +Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
202 +
189 189  Add APP EUI in the application.
190 190  
191 -(% _mstvisible="1" %)
205 +choose to create the device manually.
206 +
207 +Add APP KEY and DEV EUI
208 +
209 +
210 +(% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
192 192  [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
193 193  
194 -(% _mstvisible="1" %)
195 -[[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
213 +(% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
214 +[[image:1655776122894-257.png]]
196 196  
197 -(% _mstvisible="1" %)
198 -[[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
199 199  
217 +**Default mode OTAA**
218 +
219 +
220 +
221 +
200 200  (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
201 -Note: LHT65N use same payload as LHT65.
223 +[[image:1655776241177-240.png]]
202 202  
203 -(% _mstvisible="1" %)
204 -[[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
205 205  
206 206  
207 207  (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
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