<
From version < 88.1 >
edited by Xiaoling
on 2022/12/09 09:09
To version < 90.2 >
edited by Xiaoling
on 2022/12/12 17:19
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1 1  (% style="text-align:center" %)
2 -[[image:LMDS200_10.jpg]]
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5 5  **Table of Contents:**
6 6  
7 7  {{toc/}}
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12 12  = 1.  Introduction =
13 13  
14 14  == 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
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132 132   [[image:image-20221207170748-2.png||height="345" width="634"]]
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134 134  
135 -
136 136  == 1.8  Pin Definitions and Switch ==
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138 138  
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162 162  
163 163  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NMDS200 will use** (% style="color:red" %)CoAP(120.24.4.116:5683)(%%)** or raw (% style="color:red" %)**UDP(120.24.4.116:5601) **(%%)or (% style="color:red" %)**MQTT(120.24.4.116:1883) **(%%)or (% style="color:red" %)**TCP(120.24.4.116:5600)protocol**(%%) to send data to the test server.
164 164  
165 -[[image:image-20221208090742-1.png]]
178 +[[image:image-20221209090938-1.png]]
166 166  
167 167  
168 168  === 2.2.1 Insert NB-IoT SIM card ===
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272 272  
273 273  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
274 274  
275 -​ ​​​​​​​[[image:1670471584490-640.png]]
288 +​ [[image:1670471584490-640.png]]
276 276  
277 277  
278 278  [[image:1670405928926-116.png]]
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291 291  
292 292  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
293 293  
294 -​ ​​​​​​​[[image:1670471613823-833.png]]
307 +​ [[image:1670471613823-833.png]]
295 295  
296 296  
297 297  [[image:image-20221021111131-15.png]]
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482 482  
483 483  (% style="color:#037691" %)**Example 1:**
484 484  
485 -AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
498 +AT+ ALARM1 =60,200  ~/~/ Alarm when distance1 lower than 60.
486 486  
487 487  AT+ ALARM2 =min,max
488 488  
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489 489  
490 490  (% style="color:#037691" %)**Example 2:**
491 491  
492 -AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
505 +AT+ ALARM2 =200,1500  ~/~/ Alarm when distance2 lower than 1500.
493 493  
494 494  
495 495  == 2.8  Set the number of data to be uploaded and the recording time ==
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