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Last modified by Xiaoling on 2025/04/27 16:45
From version 170.6
edited by Xiaoling
on 2022/06/15 09:46
Change comment: There is no comment for this version
To version 172.2
edited by Xiaoling
on 2022/06/15 09:51
Change comment: There is no comment for this version

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203 203  * Smart liquefied gas solution.
204 204  
205 205  
206 +
207 +
206 206  == 1.7  Precautions ==
207 207  
208 208  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
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210 210  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
211 211  
212 212  
215 +
216 +
213 213  == 1.8  Pin mapping and power on ==
214 214  
215 215  
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239 239  )))
240 240  
241 241  (((
242 -[[image:1654848616367-242.png]]
246 +[[image:1655257698953-697.png]]
243 243  )))
244 244  
245 245  (((
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249 249  (((
250 250  
251 251  
252 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
256 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
253 253  )))
254 254  
255 255  (((
256 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
260 +Each LDDS20 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
257 257  )))
258 258  
259 259  [[image:image-20220607170145-1.jpeg]]
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283 283  [[image:image-20220610161353-7.png]]
284 284  
285 285  
290 +
286 286  You can also choose to create the device manually.
287 287  
288 288   [[image:image-20220610161538-8.png]]
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295 295  
296 296  
297 297  
298 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
303 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
299 299  
300 300  
301 301  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
302 302  
303 -[[image:image-20220610161724-10.png]]
308 +[[image:image-20220615095102-14.png]]
304 304  
305 305  
306 306  (((
1655257698953-697.png
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1 +XWiki.Xiaoling
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