Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 56.1 >
edited by Xiaoling
on 2022/05/23 11:53
To version < 57.6 >
edited by Xiaoling
on 2022/05/23 14:04
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Summary

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Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
2 +[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
3 3  
4 -{{box cssClass="floatinginfobox" title="**Contents**"}}
5 -{{toc/}}
6 -{{/box}}
7 7  
5 +**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 +
7 +
8 +
9 +**Table of Contents：**
10 +
8 8  {{toc/}}
9 9  
10 10  
... ... @@ -13,18 +13,29 @@
13 13  
14 14  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
15 15  
19 +(((
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**(%%)**.**
21 +)))
16 16  
17 -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**(%%)**.**
18 -
23 +(((
19 19  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.
25 +)))
20 20  
27 +(((
21 21  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29 +)))
22 22  
31 +(((
23 23  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33 +)))
24 24  
25 -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.
35 +(((
36 +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.
37 +)))
26 26  
39 +(((
27 27  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41 +)))
28 28  
29 29  == 1.2 Features ==
30 30  
... ... @@ -42,36 +42,69 @@
42 42  
43 43  == 1.3 Specification ==
44 44  
59 +(((
45 45  **Built-in Temperature Sensor:**
61 +)))
46 46  
47 -* Resolution: 0.01 °C
48 -* Accuracy Tolerance : Typ ±0.3 °C
49 -* Long Term Drift: < 0.02 °C/yr
50 -* 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
74 +)))
51 51  
76 +(((
52 52  **Built-in Humidity Sensor:**
78 +)))
53 53  
54 -* Resolution: 0.04 %RH
55 -* Accuracy Tolerance : Typ ±3 %RH
56 -* Long Term Drift: < 0.02 °C/yr
57 -* 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
91 +)))
58 58  
93 +(((
59 59  **External Temperature Sensor:**
95 +)))
60 60  
61 -* Resolution: 0.0625 °C
62 -* ±0.5°C accuracy from -10°C to +85°C
63 -* ±2°C accuracy from -55°C to +125°C
64 -* 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 +)))
65 65  
66 66  = 2. Connect LHT65N to IoT Server =
67 67  
68 68  == 2.1 How does LHT65N work? ==
69 69  
114 +(((
70 70  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.
116 +)))
71 71  
118 +(((
72 72  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.
120 +)))
73 73  
74 -
75 75  == 2.2 How to Activate LHT65N? ==
76 76  
77 77  The LHT65N has two working modes:
... ... @@ -79,15 +79,17 @@
79 79  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
80 80  * **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. 
81 81  
129 +(((
82 82  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131 +)))
83 83  
84 84  [[image:image-20220515123819-1.png||height="379" width="317"]]
85 85  
86 -(% border="1" %)
87 -|**Behavior on ACT**|**Function**|**Action**
88 -|**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.
89 -|**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.
90 -|**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.
91 91  
92 92  == 2.3 Example to join LoRaWAN network ==
93 93  
... ... @@ -114,10 +114,8 @@
114 114  
115 115  [[image:image-20220522232916-3.png]]
116 116  
117 -
118 118  [[image:image-20220522232932-4.png]]
119 119  
120 -
121 121  [[image:image-20220522232954-5.png]]
122 122  
123 123  Note: LHT65N use same payload as LHT65.
... ... @@ -134,28 +134,24 @@
134 134  
135 135  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.
136 136  
137 -[[image:image-20220522233300-8.png]]
184 +[[image:image-20220522233300-8.png||height="219" width="722"]]
138 138  
139 139  
140 140  == 2.4 Uplink Payload ==
141 141  
142 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
189 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
143 143  
144 -After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
191 +After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
145 145  
146 146  
147 -(% border="1" style="width:572px" %)
148 -|(% 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**
149 -|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
150 -[[Built-In>>path:#SHT20_Temperature]]
194 +(% border="1" style="background-color:#ffffcc; color:green; width:605px" %)
195 +|(% 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**
196 +|(% 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" %)(((
197 +[[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]]
198 +)))|(% style="width:155.172px" %)(((
199 +[[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]]
200 +)))|(% 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]]
151 151  
152 -[[Temperature>>path:#SHT20_Temperature]]
153 -)))|(% style="width:103px" %)(((
154 -[[Built-in>>path:#SHT20_Humidity]]
155 -
156 -[[Humidity>>path:#SHT20_Humidity]]
157 -)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
158 -
159 159  * The First 6 bytes: has fix meanings for every LHT65N.
160 160  * The 7th byte (EXT #): defines the external sensor model.
161 161  * 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.)
... ... @@ -168,16 +168,15 @@
168 168  
169 169  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
170 170  
171 -[[image:image-20220522234118-10.png]]
214 +[[image:image-20220522234118-10.png||height="353" width="729"]]
172 172  
173 -
174 174  === 2.4.2 BAT-Battery Info ===
175 175  
176 176  These two bytes of BAT include the battery state and the actually voltage
177 177  
178 -(% style="width:646px" %)
179 -|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
180 -|Value|(% style="width:272px" %)(((
220 +(% border="1" style="background-color:#ffffcc; color:green; width:508px" %)
221 +|(% style="width:75px" %)Bit(bit)|(% style="width:268px" %)[15:14]|(% style="width:162px" %)[13:0]
222 +|(% style="width:75px" %)Value|(% style="width:268px" %)(((
181 181  BAT Status
182 182  
183 183  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -187,9 +187,9 @@
187 187  10(b): OK   (2.55v <= BAT <=2.65v)
188 188  
189 189  11(b): Good   (BAT >= 2.65v)
190 -)))|(% style="width:214px" %)Actually BAT voltage
232 +)))|(% style="width:162px" %)Actually BAT voltage
191 191  
192 -[[image:image-20220522235639-1.png]]
234 +[[image:image-20220522235639-1.png||height="139" width="727"]]
193 193  
194 194  Check the battery voltage for LHT65N.
195 195  
... ... @@ -198,7 +198,7 @@
198 198  
199 199  === 2.4.3 Built-in Temperature ===
200 200  
201 -[[image:image-20220522235639-2.png]]
243 +[[image:image-20220522235639-2.png||height="138" width="722"]]
202 202  
203 203  * Temperature:  0x0ABB/100=27.47℃
204 204  
... ... @@ -208,7 +208,7 @@
208 208  
209 209  === 2.4.4 Built-in Humidity ===
210 210  
211 -[[image:image-20220522235639-4.png]]
253 +[[image:image-20220522235639-4.png||height="138" width="722"]]
212 212  
213 213  * Humidity:    0x025C/10=60.4%
214 214  
... ... @@ -216,10 +216,10 @@
216 216  
217 217  Bytes for External Sensor:
218 218  
219 -(% style="width:624px" %)
220 -|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
221 -|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
222 -|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
261 +(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
262 +|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
263 +|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
264 +|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
223 223  
224 224  === 2.4.6 Ext value ===
225 225  
... ... @@ -235,9 +235,13 @@
235 235  
236 236  * External temperature= (0xF54F-65536)/100=-27.37℃
237 237  
280 +(((
238 238  The last 2 bytes of data are meaningless
282 +)))
239 239  
284 +(((
240 240  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
286 +)))
241 241  
242 242  
243 243  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
... ... @@ -244,28 +244,27 @@
244 244  
245 245  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:
246 246  
247 -
248 -(% border="1" style="width:697px" %)
293 +(% border="1" style="background-color:#ffffcc; color:green; width:697px" %)
249 249  |(% 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**
250 -|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
251 -[[Built-In>>path:#SHT20_Temperature]]
295 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]|(% style="width:104px" %)(((
296 +[[Built-In>>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]]
252 252  
253 -[[Temperature>>path:#SHT20_Temperature]]
298 +[[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]]
254 254  )))|(% style="width:106px" %)(((
255 -[[BAT Status &>>path:#BAT_Humidity]]
300 +BAT Status &
256 256  
257 -[[Built-in>>path:#BAT_Humidity]]
302 +[[Built-in>>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]]
258 258  
259 -[[Humidity>>path:#BAT_Humidity]]
260 -)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
261 -[[Unix>>path:#Unix_Time_Stamp]]
304 +[[Humidity>>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]]
305 +)))|(% style="width:108px" %)Status & Ext|(% style="width:116px" %)(((
306 +[[Unix>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
262 262  
263 -[[Time Stamp>>path:#Unix_Time_Stamp]]
308 +[[Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
264 264  )))
265 265  
266 -* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
311 +* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
267 267  
268 -(% border="1" style="width:587px" %)
313 +(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
269 269  |Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
270 270  |Value|(% style="width:280px" %)(((
271 271  BAT Status
... ... @@ -278,7 +278,7 @@
278 278  
279 279  11(b): Good   (BAT >= 2.65v)
280 280  )))|(% style="width:136px" %)(((
281 -[[Built-in Humidity>>path:#SHT20_Humidity]]
326 +[[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]]
282 282  
283 283  
284 284  )))
... ... @@ -285,12 +285,10 @@
285 285  
286 286  * **Status & Ext Byte**
287 287  
288 -(% border="1" style="width:732px" %)
333 +(% border="1" style="background-color:#ffffcc; color:green; width:732px" %)
289 289  |(% 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]**
290 290  |(% 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" %)(((
291 -Ext:
292 -
293 -0b(1001)
336 +Ext:0b(1001)
294 294  )))
295 295  
296 296  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
... ... @@ -301,12 +301,17 @@
301 301  
302 302  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:
303 303  
347 +(((
304 304  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
349 +)))
305 305  
351 +(((
306 306  **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.
353 +)))
307 307  
308 -
355 +(((
309 309  Add Datacake:
357 +)))
310 310  
311 311  [[image:image-20220523000825-7.png||height="262" width="583"]]
312 312  
... ... @@ -315,16 +315,12 @@
315 315  
316 316  [[image:image-20220523000825-8.png||height="453" width="406"]]
317 317  
318 -
319 319  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
320 320  
321 321  [[image:image-20220523000825-9.png||height="366" width="392"]]
322 322  
323 -
324 -
325 325  [[image:image-20220523000825-10.png||height="432" width="762"]]
326 326  
327 -
328 328  == 2.6 Datalog Feature ==
329 329  
330 330  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.
... ... @@ -336,9 +336,13 @@
336 336  [[image:image-20220523001219-11.png||height="97" width="627"]]
337 337  
338 338  
383 +(((
339 339  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
385 +)))
340 340  
387 +(((
341 341  Below is the converter example
389 +)))
342 342  
343 343  [[image:image-20220523001219-12.png||height="302" width="730"]]
344 344  

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