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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... ... @@ -41,7 +41,6 @@ 41 41 42 42 == 1.2 Features == 43 43 44 - 45 45 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD 46 46 * Monitor Temperature & Humidity via SHT31 47 47 * AT Commands to change parameters ... ... @@ -55,6 +55,7 @@ 55 55 56 56 57 57 57 + 58 58 == 1.3 Specification == 59 59 60 60 ... ... @@ -83,6 +83,7 @@ 83 83 84 84 85 85 86 + 86 86 == 1.4 Applications == 87 87 88 88 * Smart Buildings & Home Automation ... ... @@ -131,8 +131,6 @@ 131 131 1. Send an uplink packet 132 132 133 133 134 - 135 - 136 136 = 2. Use N95S31B to communicate with IoT Server = 137 137 138 138 == 2.1 How it works == ... ... @@ -166,27 +166,37 @@ 166 166 167 167 [[image:image-20220709150546-2.png]] 168 168 168 + 169 169 === 2.2.1 Test Requirement === 170 170 171 -((( 172 -To use NDDS75 in your city, make sure meet below requirements: 173 -))) 174 174 172 +To use N95S31B in your city, make sure meet below requirements: 173 + 175 175 * Your local operator has already distributed a NB-IoT Network there. 176 -* The local NB-IoT network used the band that NS E01 supports.175 +* The local NB-IoT network used the band that N95S31B supports. 177 177 * Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 178 178 178 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. 179 + 180 +N95S31B supports different communication protocol such as : 181 + 179 179 ((( 180 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server 181 -))) 183 +* CoAP ((% style="color:red" %)120.24.4.116:5683(%%)) 184 +* raw UDP ((% style="color:red" %)120.24.4.116:5601(%%)) 185 +* MQTT ((% style="color:red" %)120.24.4.116:1883(%%)) 186 +* TCP ((% style="color:red" %)120.24.4.116:5600(%%)) 182 182 188 +We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server. 183 183 184 -[[image:1657328756309-230.png]] 190 + 191 +))) 185 185 193 +[[image:1657350625843-586.png]] 186 186 187 187 188 -=== 2.2.2 Insert SIM card === 189 189 197 +=== 2.2.3 Insert SIM card === 198 + 190 190 ((( 191 191 Insert the NB-IoT Card get from your provider. 192 192 ))) ... ... @@ -196,19 +196,19 @@ 196 196 ))) 197 197 198 198 199 -[[image:165732 8884227-504.png]]208 +[[image:1657351240556-536.png]] 200 200 201 201 202 202 203 -=== 2.2. 3DDS75 to configure it ===212 +=== 2.2.4 Connect USB – TTL to N95S31B to configure it === 204 204 205 205 ((( 206 206 ((( 207 -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.216 +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. 208 208 ))) 209 209 ))) 210 210 211 -[[image: image-20220709092052-2.png]]220 +[[image:1657351312545-300.png]] 212 212 213 213 **Connection:** 214 214 ... ... @@ -228,18 +228,18 @@ 228 228 * Flow Control: (% style="color:green" %)**None** 229 229 230 230 ((( 231 -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.240 +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. 232 232 ))) 233 233 234 234 [[image:1657329814315-101.png]] 235 235 236 236 ((( 237 -(% 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/]]246 +(% 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/]] 238 238 ))) 239 239 240 240 241 241 242 -=== 2.2. 4251 +=== 2.2.5 Use CoAP protocol to uplink data === 243 243 244 244 (% 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/]] 245 245 ... ... @@ -259,10 +259,12 @@ 259 259 ))) 260 260 261 261 ((( 271 + 272 + 262 262 For parameter description, please refer to AT command set 263 263 ))) 264 264 265 -[[image:16573 30452568-615.png]]276 +[[image:1657352146020-183.png]] 266 266 267 267 268 268 ((( ... ... @@ -269,11 +269,11 @@ 269 269 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. 270 270 ))) 271 271 272 -[[image:16573 30472797-498.png]]283 +[[image:1657352185396-303.png]] 273 273 274 274 275 275 276 -=== 2.2. 5287 +=== 2.2.6 Use UDP protocol to uplink data(Default protocol) === 277 277 278 278 279 279 * (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink ... ... @@ -280,15 +280,16 @@ 280 280 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 281 281 * (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 282 282 283 -[[image:16573 30501006-241.png]]294 +[[image:1657352391268-297.png]] 284 284 285 285 286 -[[image:16573 30533775-472.png]]297 +[[image:1657352403317-397.png]] 287 287 288 288 289 289 290 -=== 2.2. 6301 +=== 2.2.7 Use MQTT protocol to uplink data === 291 291 303 +N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 292 292 293 293 * (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 294 294 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port ... ... @@ -295,35 +295,40 @@ 295 295 * (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 296 296 * (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 297 297 * (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 298 -* (% style="color:blue" %)**AT+PUBTOPIC= NDDS75_PUB**(%%)~/~/Set the sending topic of MQTT299 -* (% style="color:blue" %)**AT+SUBTOPIC=N DDS75_SUB**(%%) ~/~/Set the subscription topic of MQTT310 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/Set the sending topic of MQTT 311 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527 **(%%) ~/~/Set the subscription topic of MQTT 300 300 301 -[[image:165724 9978444-674.png]]313 +[[image:1657352634421-276.png]] 302 302 303 303 304 -[[image:16573 30723006-866.png]]316 +[[image:1657352645687-385.png]] 305 305 318 +((( 319 +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. 320 +))) 306 306 322 + 307 307 ((( 308 -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.324 +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. 309 309 ))) 310 310 311 311 312 312 313 -=== 2.2. 7329 +=== 2.2.8 Use TCP protocol to uplink data === 314 314 331 +This feature is supported since firmware version v110 315 315 316 316 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 317 317 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 **(%%) ~/~/ to set TCP server address and port 318 318 319 -[[image: image-20220709093918-1.png]]336 +[[image:1657352898400-901.png]] 320 320 321 321 322 -[[image: image-20220709093918-2.png]]339 +[[image:1657352914475-252.png]] 323 323 324 324 325 325 326 -=== 2.2. 8343 +=== 2.2.9 Change Update Interval === 327 327 328 328 User can use below command to change the (% style="color:green" %)**uplink interval**. 329 329 ... ... @@ -330,69 +330,92 @@ 330 330 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s 331 331 332 332 ((( 333 - (%style="color:red" %)**NOTE:**350 + 334 334 ))) 335 335 336 -((( 337 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour. 338 -))) 339 339 340 340 341 - 342 342 == 2.3 Uplink Payload == 343 343 344 -In this mode, uplink payload includes in total 14 bytes 345 345 358 +NBSN95 has different working mode for the connections of different type of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes. 346 346 360 + 361 +For example: 362 + 363 + (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the NBSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor. 364 + 365 + 366 +The uplink payloads are composed in ASCII String. For example: 367 + 368 +0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload: 369 + 370 +0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes 371 + 372 + 373 +(% style="color:red" %)**NOTE:** 374 + 375 +(% style="color:red" %) 376 +1. All modes share the same Payload Explanation from [[HERE>>path:#Payload_Explain]]. 377 +1. By default, the device will send an uplink message every 1 hour. 378 + 379 + 380 + 381 +=== 2.3.1 Payload Analyze === 382 + 383 +N95S31B uplink payload includes in total 21 bytes 384 + 385 + 347 347 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %) 348 348 |=(% style="width: 60px;" %)((( 349 349 **Size(bytes)** 350 -)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1** 351 -|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]] 389 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %) |=(% style="width: 99px;" %) |=(% style="width: 77px;" %)**2**|=(% style="width: 60px;" %)**1** 390 +|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:123px" %)MOD 0X01|(% style="width:99px" %)((( 391 +Reserve/ Same as NBSN95 CFGMOD=1 352 352 353 - (((354 - Ifwe usethe MQTT client to subscribe to this MQTT topic,we can see the following information when the NDDS751 uplinkdata.355 - )))393 +No function here. 394 +)))|(% style="width:77px" %)((( 395 +[[Temperature >>||anchor="H2.4.5A0Distance"]] 356 356 397 +By SHT31 398 +)))|(% style="width:80px" %)((( 399 +[[Humidity>>||anchor="H2.4.6A0DigitalInterrupt"]] 357 357 358 -[[image:1657331036973-987.png]] 359 - 360 -((( 361 -The payload is ASCII string, representative same HEX: 401 +By SHT31 362 362 ))) 363 363 364 364 ((( 365 -0x72403155615900640c6c19029200 where: 405 +((( 406 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data. 366 366 ))) 367 - 368 -* ((( 369 -Device ID: 0x724031556159 = 724031556159 370 370 ))) 371 -* ((( 372 -Version: 0x0064=100=1.0.0 373 -))) 374 374 375 -* ((( 376 -BAT: 0x0c6c = 3180 mV = 3.180V 377 -))) 378 -* ((( 379 -Signal: 0x19 = 25 380 -))) 381 -* ((( 382 -Distance: 0x0292= 658 mm 383 -))) 384 -* ((( 385 -Interrupt: 0x00 = 0 386 386 411 +[[image:1657354294009-643.png]] 387 387 388 388 414 +The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where: 415 + 416 +* Device ID: 0x724031607457 = 724031607457 417 +* Version: 0x006e=110=1.1.0 418 + 419 +* BAT: 0x0ccd = 3277 mV = 3.277V 420 +* Signal: 0x1b = 27 421 +* Model: 0x01 = 1 422 +* 0x00dc000ccc= reserve, ignore in N95S31B 423 +* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C 424 +* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh 425 + 426 +((( 389 389 390 390 ))) 391 391 392 -== 2.4 Payload Explanation and Sensor Interface == 430 +((( 431 + 432 +))) 393 393 394 394 395 -=== 2. 4.1435 +=== 2.3.2 Device ID === 396 396 397 397 ((( 398 398 By default, the Device ID equal to the last 6 bytes of IMEI. ... ... @@ -416,20 +416,25 @@ 416 416 417 417 418 418 419 -=== 2. 4.2Version Info ===459 +=== 2.3.3 Version Info === 420 420 421 -((( 422 -Specify the software version: 0x64=100, means firmware version 1.00. 423 -))) 424 424 462 +These bytes include the hardware and software version. 463 + 464 +Higher byte: Specify hardware version: always 0x00 for N95S31B 465 + 466 +Lower byte: Specify the software version: 0x6E=110, means firmware version 110 467 + 468 + 469 +For example: 0x00 6E: this device is N95S31B with firmware version 110. 470 + 425 425 ((( 426 - Forexample: 0x00 64 : this device is NDDS75 with firmware version 1.0.0.472 + 427 427 ))) 428 428 429 429 476 +=== 2.3.4 Battery Info === 430 430 431 -=== 2.4.3 Battery Info === 432 - 433 433 ((( 434 434 Ex1: 0x0B45 = 2885mV 435 435 ))) ... ... @@ -440,7 +440,7 @@ 440 440 441 441 442 442 443 -=== 2. 4.4Signal Strength ===488 +=== 2.3.5 Signal Strength === 444 444 445 445 ((( 446 446 NB-IoT Network signal Strength. ... ... @@ -472,83 +472,24 @@ 472 472 473 473 474 474 475 -=== 2. 4.5Distance ===520 +=== 2.3.6 Temperature & Humidity === 476 476 477 - Get the distance.Flatobject range280mm-7500mm.522 +The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server. 478 478 479 -((( 480 -For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is 481 -))) 524 +[[image:image-20220709161741-3.png]] 482 482 483 -((( 484 -((( 485 -(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.** 486 -))) 487 -))) 488 488 489 -((( 490 - 491 -))) 527 +Convert the read byte to decimal and divide it by ten. 492 492 493 -((( 494 - 495 -))) 496 496 497 - === 2.4.6 DigitalInterrupt ===530 +**Example:** 498 498 499 -((( 500 -Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server. 501 -))) 532 +Temperature: Read:00ec (H) = 236(D) Value: 236 /10=23.6℃ 502 502 503 -((( 504 -The command is: 505 -))) 534 +Humidity: Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 506 506 507 -((( 508 -(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.** 509 -))) 510 510 511 511 512 -((( 513 -The lower four bits of this data field shows if this packet is generated by interrupt or not. Click here for the hardware and software set up. 514 -))) 515 - 516 - 517 -((( 518 -Example: 519 -))) 520 - 521 -((( 522 -0x(00): Normal uplink packet. 523 -))) 524 - 525 -((( 526 -0x(01): Interrupt Uplink Packet. 527 -))) 528 - 529 - 530 - 531 -=== 2.4.7 +5V Output === 532 - 533 -((( 534 -NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 535 -))) 536 - 537 - 538 -((( 539 -The 5V output time can be controlled by AT Command. 540 -))) 541 - 542 -((( 543 -(% style="color:blue" %)**AT+5VT=1000** 544 -))) 545 - 546 -((( 547 -Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors. 548 -))) 549 - 550 - 551 - 552 552 == 2.5 Downlink Payload == 553 553 554 554 By default, NDDS75 prints the downlink payload to console port. ... ... @@ -601,51 +601,16 @@ 601 601 602 602 603 603 604 -== 2. 6LED Indicator ==590 +== 2.5 Battery Analysis == 605 605 592 +=== 2.5.1 Battery Type === 606 606 607 -The NDDS75 has an internal LED which is to show the status of different state. 608 608 609 - 610 -* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe) 611 -* Then the LED will be on for 1 second means device is boot normally. 612 -* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds. 613 -* For each uplink probe, LED will be on for 500ms. 614 - 615 615 ((( 616 - 596 +The N95S31B battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. 617 617 ))) 618 618 619 - 620 - 621 -== 2.7 Firmware Change Log == 622 - 623 - 624 624 ((( 625 -Download URL & Firmware Change log 626 -))) 627 - 628 -((( 629 -[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]] 630 -))) 631 - 632 - 633 -((( 634 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 635 -))) 636 - 637 - 638 - 639 -== 2.8 Battery Analysis == 640 - 641 -=== 2.8.1 Battery Type === 642 - 643 - 644 -((( 645 -The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. 646 -))) 647 - 648 -((( 649 649 The battery is designed to last for several years depends on the actually use environment and update interval. 650 650 ))) 651 651 ... ... @@ -663,56 +663,35 @@ 663 663 664 664 665 665 666 -=== 2. 8.2 Power consumption Analyze ===617 +=== 2.5.2 Power consumption Analyze === 667 667 668 668 ((( 669 - Draginobatterypoweredproductareall runsinLow Powermode.Wehave an update battery calculatorwhichbaseonthe measurement oftherealdevice. User can usethis calculatortocheck the batterylifeandcalculatethe batterylifeifwant tousedifferenttransmit interval.620 +The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project. 670 670 ))) 671 671 672 - 673 673 ((( 674 - Instructionto use as below:624 + 675 675 ))) 676 676 677 -((( 678 -(% style="color:blue" %)**Step 1: **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]] 679 -))) 680 680 628 +=== 2.5.3 Battery Note === 681 681 682 682 ((( 683 - (%style="color:blue"%)**Step2:**(%%)Open it andchoose631 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased. 684 684 ))) 685 685 686 -* ((( 687 -Product Model 688 -))) 689 -* ((( 690 -Uplink Interval 691 -))) 692 -* ((( 693 -Working Mode 694 -))) 695 695 696 -((( 697 -And the Life expectation in difference case will be shown on the right. 698 -))) 699 699 700 - [[image:image-20220709110451-3.png]]636 +=== 2.5.4 Replace the battery === 701 701 702 702 703 - 704 -=== 2.8.3 Battery Note === 705 - 706 706 ((( 707 - TheLi-SICObattery isdesignedfor smallcurrent/long period application.It isnotgoodtouseahigh current,shortperiodtransmitmethod.Thecommendedminimumperiodforuseofthisbatteryis5minutes. If you use ashorter period time totransmitLoRa,then the batterylifemaybe decreased.640 +You can change the battery in the N95S31B.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board. 708 708 ))) 709 709 710 710 711 - 712 -=== 2.8.4 Replace the battery === 713 - 714 714 ((( 715 -The default battery pack of N DDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).645 +The default battery pack of N95S31B includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes). 716 716 ))) 717 717 718 718 ... ... @@ -735,7 +735,7 @@ 735 735 736 736 == 4.1 Access AT Commands == 737 737 738 -See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N DDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]668 +See NBSN95 AT Command in this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/]] 739 739 740 740 741 741 AT+<CMD>? : Help on <CMD> ... ... @@ -823,7 +823,9 @@ 823 823 ))) 824 824 825 825 ((( 826 -(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update. 756 + 757 + 758 +(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update. 827 827 ))) 828 828 829 829 ... ... @@ -855,7 +855,7 @@ 855 855 = 7. Order Info = 856 856 857 857 858 -Part Number**:** (% style="color:#4f81bd" %)**N SDDS75**790 +Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY** 859 859 860 860 861 861 (% class="wikigeneratedid" %) ... ... @@ -870,7 +870,7 @@ 870 870 871 871 (% style="color:#037691" %)**Package Includes**: 872 872 873 -* NS E01DistanceDetectSensorNode x 1805 +* N95S31B NB-IoT Temperature and Humidity Sensor 874 874 * External antenna x 1 875 875 ))) 876 876
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