Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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... ... @@ -293,15 +293,16 @@ 293 293 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 294 294 * (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 295 295 296 -[[image:16573 30501006-241.png]]296 +[[image:1657352391268-297.png]] 297 297 298 298 299 -[[image:16573 30533775-472.png]]299 +[[image:1657352403317-397.png]] 300 300 301 301 302 302 303 -=== 2.2. 6303 +=== 2.2.7 Use MQTT protocol to uplink data === 304 304 305 +N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 305 305 306 306 * (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 307 307 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port ... ... @@ -308,35 +308,40 @@ 308 308 * (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 309 309 * (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 310 310 * (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 311 -* (% style="color:blue" %)**AT+PUBTOPIC= NDDS75_PUB312 -* (% style="color:blue" %)**AT+SUBTOPIC=N DDS75_SUB312 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/Set the sending topic of MQTT 313 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527 **(%%) ~/~/Set the subscription topic of MQTT 313 313 314 -[[image:165724 9978444-674.png]]315 +[[image:1657352634421-276.png]] 315 315 316 316 317 -[[image:16573 30723006-866.png]]318 +[[image:1657352645687-385.png]] 318 318 320 +((( 321 +To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period. 322 +))) 319 319 324 + 320 320 ((( 321 -MQTT protocol has a much high erpower consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.326 +MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval. 322 322 ))) 323 323 324 324 325 325 326 -=== 2.2. 7331 +=== 2.2.8 Use TCP protocol to uplink data === 327 327 333 +This feature is supported since firmware version v110 328 328 329 329 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 330 330 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 **(%%) ~/~/ to set TCP server address and port 331 331 332 -[[image: image-20220709093918-1.png]]338 +[[image:1657352898400-901.png]] 333 333 334 334 335 -[[image: image-20220709093918-2.png]]341 +[[image:1657352914475-252.png]] 336 336 337 337 338 338 339 -=== 2.2. 8345 +=== 2.2.9 Change Update Interval === 340 340 341 341 User can use below command to change the (% style="color:green" %)**uplink interval**. 342 342 ... ... @@ -343,15 +343,11 @@ 343 343 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s 344 344 345 345 ((( 346 - (%style="color:red" %)**NOTE:**352 + 347 347 ))) 348 348 349 -((( 350 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour. 351 -))) 352 352 353 353 354 - 355 355 == 2.3 Uplink Payload == 356 356 357 357 In this mode, uplink payload includes in total 14 bytes
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