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Last modified by Xiaoling on 2025/04/27 16:45
From version 170.7
edited by Xiaoling
on 2022/06/15 09:47
Change comment: There is no comment for this version
To version 172.3
edited by Xiaoling
on 2022/06/15 09:51
Change comment: There is no comment for this version

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207 +
207 207  == 1.7  Precautions ==
208 208  
209 209  * 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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214 214  
216 +
215 215  == 1.8  Pin mapping and power on ==
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217 217  
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241 241  )))
242 242  
243 243  (((
244 -[[image:1654848616367-242.png]]
246 +[[image:1655257698953-697.png]]
245 245  )))
246 246  
247 247  (((
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251 251  (((
252 252  
253 253  
254 -(% 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.
255 255  )))
256 256  
257 257  (((
258 -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.
259 259  )))
260 260  
261 261  [[image:image-20220607170145-1.jpeg]]
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285 285  [[image:image-20220610161353-7.png]]
286 286  
287 287  
290 +
288 288  You can also choose to create the device manually.
289 289  
290 290   [[image:image-20220610161538-8.png]]
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297 297  
298 298  
299 299  
300 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
303 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
301 301  
302 302  
303 303  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
304 304  
305 -[[image:image-20220610161724-10.png]]
308 +[[image:image-20220615095102-14.png]]
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307 307  
311 +
308 308  (((
309 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
313 +(% style="color:blue" %)**Step 3**(%%)**:**  The LDDS20 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
310 310  )))
311 311  
312 312  [[image:1654849068701-275.png]]
1655257698953-697.png
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