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Last modified by Xiaoling on 2025/04/27 16:45
From version 170.8
edited by Xiaoling
on 2022/06/15 09:47
Change comment: There is no comment for this version
To version 172.4
edited by Xiaoling
on 2022/06/15 09:52
Change comment: There is no comment for this version

Summary

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243 243  )))
244 244  
245 245  (((
246 -[[image:1654848616367-242.png]]
246 +[[image:1655257698953-697.png]]
247 247  )))
248 248  
249 249  (((
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253 253  (((
254 254  
255 255  
256 -(% 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.
257 257  )))
258 258  
259 259  (((
260 -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.
261 261  )))
262 262  
263 263  [[image:image-20220607170145-1.jpeg]]
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287 287  [[image:image-20220610161353-7.png]]
288 288  
289 289  
290 +
290 290  You can also choose to create the device manually.
291 291  
292 292   [[image:image-20220610161538-8.png]]
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299 299  
300 300  
301 301  
302 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
303 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
303 303  
304 304  
305 305  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
306 306  
307 -[[image:image-20220610161724-10.png]]
308 +[[image:image-20220615095102-14.png]]
308 308  
309 309  
311 +
310 310  (((
311 -(% 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.
312 312  )))
313 313  
314 314  [[image:1654849068701-275.png]]
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319 319  
320 320  (((
321 321  (((
322 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
323 -)))
324 +LDDS20 will uplink payload via LoRaWAN with below payload format:
324 324  
325 -(((
326 -Uplink payload includes in total 4 bytes.
327 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
326 +Uplink payload includes in total 8 bytes.
327 +Payload for firmware version v1.1.4. . Before v1.1.3, there is only 5 bytes: BAT and Distance(Please check manual v1.2.0 if you have 5 bytes payload).
328 328  )))
329 329  )))
330 330  
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