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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... ... @@ -211,15 +211,15 @@ 211 211 212 212 213 213 214 -=== 2.2. 3DDS75 to configure it ===214 +=== 2.2.4 Connect USB – TTL to N95S31B to configure it === 215 215 216 216 ((( 217 217 ((( 218 -User need to configure DDS75 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect toDDS75 and use AT Commands to configure it, as below.218 +User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below. 219 219 ))) 220 220 ))) 221 221 222 -[[image: image-20220709092052-2.png]]222 +[[image:1657351312545-300.png]] 223 223 224 224 **Connection:** 225 225 ... ... @@ -239,18 +239,18 @@ 239 239 * Flow Control: (% style="color:green" %)**None** 240 240 241 241 ((( 242 -Make sure the switch is in FLASH position, then power on device by connecting the jumper on N DDS75.DDS75 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.242 +Make sure the switch is in FLASH position, then power on device by connecting the jumper on N95S31B. N95S31B will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input. 243 243 ))) 244 244 245 245 [[image:1657329814315-101.png]] 246 246 247 247 ((( 248 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N DDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]248 +(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] 249 249 ))) 250 250 251 251 252 252 253 -=== 2.2. 4253 +=== 2.2.5 Use CoAP protocol to uplink data === 254 254 255 255 (% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]] 256 256 ... ... @@ -270,10 +270,12 @@ 270 270 ))) 271 271 272 272 ((( 273 + 274 + 273 273 For parameter description, please refer to AT command set 274 274 ))) 275 275 276 -[[image:16573 30452568-615.png]]278 +[[image:1657352146020-183.png]] 277 277 278 278 279 279 ((( ... ... @@ -280,11 +280,11 @@ 280 280 After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server. 281 281 ))) 282 282 283 -[[image:16573 30472797-498.png]]285 +[[image:1657352185396-303.png]] 284 284 285 285 286 286 287 -=== 2.2. 5289 +=== 2.2.6 Use UDP protocol to uplink data(Default protocol) === 288 288 289 289 290 290 * (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink ... ... @@ -291,15 +291,16 @@ 291 291 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 292 292 * (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 293 293 294 -[[image:16573 30501006-241.png]]296 +[[image:1657352391268-297.png]] 295 295 296 296 297 -[[image:16573 30533775-472.png]]299 +[[image:1657352403317-397.png]] 298 298 299 299 300 300 301 -=== 2.2. 6303 +=== 2.2.7 Use MQTT protocol to uplink data === 302 302 305 +N95S31B supports only plain MQTT now it doesn’t support TLS and other related encryption. 303 303 304 304 * (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 305 305 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port ... ... @@ -306,17 +306,21 @@ 306 306 * (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 307 307 * (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 308 308 * (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 309 -* (% style="color:blue" %)**AT+PUBTOPIC= NDDS75_PUB310 -* (% 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 311 311 312 -[[image:165724 9978444-674.png]]315 +[[image:1657352634421-276.png]] 313 313 314 314 315 -[[image:16573 30723006-866.png]]318 +[[image:1657352645687-385.png]] 316 316 320 +((( 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 +))) 317 317 324 + 318 318 ((( 319 -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. 320 320 ))) 321 321 322 322
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