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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 168.4
edited by Xiaoling
on 2022/06/21 09:28
Change comment: There is no comment for this version
To version 172.3
edited by Xiaoling
on 2022/06/21 09:46
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 -* Wall mountable
56 -* LoRaWAN v1.0.3 Class A protocol
55 +* Wall Attachable.
56 +* LoRaWAN v1.0.3 Class A protocol.
57 +* Built-in Temperature & Humidity sensor
58 +* Optional External Probe
57 57  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
58 58  * AT Commands to change parameters
59 59  * Remote configure parameters via LoRaWAN Downlink
60 -* Firmware upgradeable via program port
61 -* Built-in 2400mAh battery for up to 10 years of use.
62 -* Built-in Temperature & Humidity sensor
63 -* Optional External Sensors
64 -* Tri-color LED to indicate working status
62 +* Firmware upgradable via program port
63 +* Support 2 x AAA LR03 batteries.
65 65  * Datalog feature
65 +* IP Rating: IP52
66 66  
67 +
68 +
67 67  (% _mstvisible="1" %)
68 -== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
70 +== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3  Specification(%%) ==
69 69  
70 70  (% _mstvisible="1" %)
71 71  (((
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76 76  (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
77 77  )))
78 78  
79 -(% _mstvisible="1" %)
80 -* (% _mstvisible="3" %)
81 -(((
82 -(% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
83 -Resolution: 0.01 °C
84 -)))
85 -* (% _mstvisible="3" %)
86 -(((
87 -(% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
88 -Accuracy Tolerance : Typ ±0.3 °C
89 -)))
90 -* (% _mstvisible="3" %)
91 -(((
92 -(% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
93 -Long Term Drift: < 0.02 °C/yr
94 -)))
95 -* (% _mstvisible="3" %)
96 -(((
97 -(% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
98 -Operating Range: -40 ~~ 85 °C
99 -)))
81 +* Resolution: 0.01 °C
82 +* Accuracy Tolerance: Typ ±0.3 °C
83 +* Long Term Drift: < 0.02 °C/yr
84 +* Operating Range: -20 ~~ 50 °C
100 100  
101 101  (% _mstvisible="1" %)
102 102  (((
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105 105  
106 106  (% _mstvisible="2" %)
107 107  (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
108 -)))
109 109  
110 -(% _mstvisible="1" %)
111 -* (% _mstvisible="3" %)
112 -(((
113 -(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
114 -Resolution: 0.04 %RH
94 +
95 +* Resolution: 0.1 %RH
96 +* Accuracy Tolerance: Typ ±3 %RH
97 +* Long Term Drift: < 0.02 °C/yr
98 +* Operating Range: 0 ~~ 99.0 %RH(no Dew)
115 115  )))
116 -* (% _mstvisible="3" %)
117 -(((
118 -(% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
119 -Accuracy Tolerance : Typ ±3 %RH
120 -)))
121 -* (% _mstvisible="3" %)
122 -(((
123 -(% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
124 -Long Term Drift: < 0.02 °C/yr
125 -)))
126 -* (% _mstvisible="3" %)
127 -(((
128 -(% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
129 -Operating Range: 0 ~~ 96 %RH
130 -)))
131 131  
132 132  (% _mstvisible="1" %)
133 133  (((
134 134  (% _mstvisible="2" %)
135 135  
136 -
137 -(% _mstvisible="2" %)
138 -(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
139 139  )))
140 140  
141 -(% _mstvisible="1" %)
142 -* (% _mstvisible="3" %)
107 +(% _mstvisible="3" %)
143 143  (((
144 -(% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
145 -Resolution: 0.0625 °C
146 -)))
147 -* (% _mstvisible="3" %)
148 -(((
149 -(% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
150 -±0.5°C accuracy from -10°C to +85°C
151 -)))
152 -* (% _mstvisible="3" %)
153 -(((
154 -(% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
155 -±2°C accuracy from -55°C to +125°C
156 -)))
157 -* (% _mstvisible="3" %)
158 -(((
159 -(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
160 -Operating Range: -55 °C ~~ 125 °C
109 +
161 161  
162 162  
163 163  (% _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 +
164 164  
165 165  )))
166 166  
167 167  (% _mstvisible="1" %)
168 -= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
140 += (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2.  O(%%)peration Mode =
169 169  
170 170  (% _mstvisible="1" %)
171 -== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
143 +== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How it work?(%%) ==
172 172  
173 173  (% _mstvisible="1" %)
174 174  (((
175 175  (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
176 -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 +
177 177  )))
178 178  
179 179  (% _mstvisible="1" %)
180 180  (((
181 181  (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
182 -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.
183 -
184 -(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
185 185  
186 186  )))
187 187  
188 188  (% _mstvisible="1" %)
189 -== (% _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?(%%) ==
190 190  
191 -(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
192 -The LHT65N has two working modes:
163 +(% style="color:red" %)** 1.  Open enclosure from below position.**
193 193  
194 -(% _mstvisible="1" %)
195 -* (% 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.
196 -* (% 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]]
197 197  
198 -(% _mstvisible="1" %)
199 -(((
200 -(% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
201 -The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
202 -)))
203 203  
204 -(% _mstvisible="1" %)
205 -[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
168 +(% style="color:red" %)** 2.  Insert 2 x AAA LR03 batteries.**
206 206  
207 -(% _mstvisible="1" %)
208 -[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
170 +[[image:image-20220621093835-2.png]]
209 209  
210 210  
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 +
211 211  (% _mstvisible="1" %)
212 212  == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
213 213  
214 -(% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
215 -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.
216 216  
217 217  (% _mstvisible="1" class="wikigeneratedid" %)
218 -[[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
188 +[[image:1655775912928-657.png]]
219 219  
220 -(% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
221 -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.
222 222  
223 223  
193 +**Step 1**: Create a device in TTN V3 with the OTAA keys from LHT52.
194 +
195 +Each LHT52 is shipped with a sticker with the default DEV EUI as below:
196 +
197 +
198 +
224 224  (% _mstvisible="1" %)
225 225  === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
226 226  
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