Changes for page NSPH01-NB-IoT Soil pH Sensor User Manual
Last modified by Bei Jinggeng on 2024/03/30 17:53
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... ... @@ -202,11 +202,12 @@ 202 202 203 203 204 204 This feature is supported since firmware version v1.0.1 205 -(%%) 206 -* **(% style="color:blue" %)AT+PRO=2 ** ~/~/ Set to use UDP protocol to uplink 207 -* **(% style="color:blue" %)AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 208 -* **(% style="color:blue" %)AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessar 209 209 206 +* (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink 207 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 208 +* (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessar 209 + 210 + 210 210 [[image:image-20220907153643-9.png||height="401" width="734"]] 211 211 212 212 ... ... @@ -213,17 +213,19 @@ 213 213 [[image:image-20220907153703-10.png||height="309" width="738"]] 214 214 215 215 217 + 216 216 === 2.2.6 Use MQTT protocol to uplink data === 217 217 220 + 218 218 This feature is supported since firmware version v110 219 219 220 -* **(% style="color:blue" %)AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink221 -* **(% style="color:blue" %)AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port222 -* **(% style="color:blue" %)AT+CLIENT=CLIENT ** (%%) ~/~/Set up the CLIENT of MQTT223 -* **(% style="color:blue" %)AT+UNAME=UNAME **224 -* **(% style="color:blue" %)AT+PWD=PWD **225 -* **(% style="color:blue" %)AT+PUBTOPIC=NSE01_PUB **(%%)226 -* **(% style="color:blue" %)AT+SUBTOPIC=NSE01_SUB ** (%%) ~/~/Set the subscription topic of MQTT223 +* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/ Set to use MQTT protocol to uplink 224 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/ Set MQTT server address and port 225 +* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%) ~/~/ Set up the CLIENT of MQTT 226 +* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/ Set the username of MQTT 227 +* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/ Set the password of MQTT 228 +* (% style="color:blue" %)**AT+PUBTOPIC=NSE01_PUB **(%%)~/~/ Set the sending topic of MQTT 229 +* (% style="color:blue" %)**AT+SUBTOPIC=NSE01_SUB ** (%%) ~/~/ Set the subscription topic of MQTT 227 227 228 228 229 229 [[image:image-20220907153739-11.png||height="491" width="764"]] ... ... @@ -231,6 +231,7 @@ 231 231 232 232 [[image:image-20220907153751-12.png||height="555" width="769"]] 233 233 237 + 234 234 MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval. 235 235 236 236 ... ... @@ -238,10 +238,11 @@ 238 238 239 239 === 2.2.7 Use TCP protocol to uplink data === 240 240 245 + 241 241 This feature is supported since firmware version v110 242 242 243 -* **(% style="color:blue" %)AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink244 -* **(% style="color:blue" %)AT+SERVADDR=120.24.4.116,5600 ** (%%) ~/~/ to set TCP server address and port248 +* (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 249 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 ** (%%) ~/~/ to set TCP server address and port 245 245 246 246 247 247 [[image:image-20220907153818-13.png||height="486" width="668"]] ... ... @@ -251,28 +251,31 @@ 251 251 252 252 253 253 254 - 255 255 === 2.2.8 Change Update Interval === 256 256 261 + 257 257 Users can use the below command to change the **uplink interval**. 258 258 259 -* **(% style="color:blue" %)AT+TDC=7200 ** (%%) ~/~/ Set Update Interval to 7200s (2 hour)264 +* (% style="color:blue" %)**AT+TDC=7200 ** (%%) ~/~/ Set Update Interval to 7200s (2 hour) 260 260 261 -**(% style="color:red" %)NOTE: By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).** 262 262 267 +(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).** 263 263 269 + 270 + 264 264 == 2.3 Uplink Payload == 265 265 273 + 266 266 In this mode, uplink payload includes 87 bytes in total by default. 267 267 268 268 Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded. 269 269 270 -|**Size(bytes)**|**8**|**2**|**2**|1|1|1|2|2|4|2|2|4 271 -|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Soil PH|Soil Temperature|Time stamp|Soil Temperature|Soil PH|Time stamp ..... 278 +(% border="2" style="background-color:#ffffcc; color:green; width:1160px" %) 279 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:83px" %)**8**|(% style="width:44px" %)**2**|(% style="width:42px" %)**2**|(% style="width:124px" %)1|(% style="width:57px" %)1|(% style="width:80px" %)1|(% style="width:69px" %)2|(% style="width:134px" %)2|(% style="width:98px" %)4|(% style="width:134px" %)2|(% style="width:68px" %)2|(% style="width:125px" %)4 280 +|(% style="width:96px" %)**Value**|(% style="width:83px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:42px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:57px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:69px" %)Soil PH|(% style="width:134px" %)Soil Temperature|(% style="width:98px" %)Time stamp|(% style="width:134px" %)Soil Temperature|(% style="width:68px" %)Soil PH|(% style="width:125px" %)Time stamp ..... 272 272 273 273 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NSPH01 uplink data. 274 274 275 -(% style="text-align:center" %) 276 276 [[image:image-20220907153902-15.png||height="581" width="804"]] 277 277 278 278 ... ... @@ -287,19 +287,25 @@ 287 287 * (% style="color:blue" %)Mod: 0x01 = 1 288 288 * (% style="color:green" %)Interrupt: 0x00= 0 289 289 * Soil PH: 0x0225= 549 = 5.49 290 -* Soil Temperature:0x010B =267=26.7 °C 298 +* Soil Temperature: 0x010B =267=26.7 °C 291 291 * Time stamp : 0x6315537b =1662342011 ([[Unix Epoch Time>>url:http://www.epochconverter.com/]]) 292 292 * Soil Temperature,Soil PH,Time stamp : 010b0226631550fb 293 293 * (% style="color:red" %)8 sets of recorded data: Temperature,Soil PH,Time stamp : 010e022663154d77,....... 294 294 303 + 304 + 305 + 295 295 == 2.4 Payload Explanation and Sensor Interface == 296 296 308 + 297 297 === 2.4.1 Device ID === 298 298 311 + 299 299 By default, the Device ID equal to the last 15 bits of IMEI. 300 300 301 -User can use **(% style="color:blue" %)AT+DEUI** (%%)to set Device ID314 +User can use (% style="color:blue" %)**AT+DEUI** (%%)to set Device ID 302 302 316 + 303 303 **Example:** 304 304 305 305 AT+DEUI=868411056754138 ... ... @@ -306,14 +306,20 @@ 306 306 307 307 The Device ID is stored in a none-erase area, Upgrade the firmware or run AT+FDR won't erase Device ID. 308 308 323 + 324 + 309 309 === 2.4.2 Version Info === 310 310 327 + 311 311 Specify the software version: 0x64=100, means firmware version 1.00. 312 312 313 313 For example: 0x00 64 : this device is NSPH01 with firmware version 1.0.0. 314 314 332 + 333 + 315 315 === 2.4.3 Battery Info === 316 316 336 + 317 317 Check the battery voltage for NSPH01. 318 318 319 319 Ex1: 0x0B45 = 2885mV ... ... @@ -320,8 +320,11 @@ 320 320 321 321 Ex2: 0x0B49 = 2889mV 322 322 343 + 344 + 323 323 === 2.4.4 Signal Strength === 324 324 347 + 325 325 NB-IoT Network signal Strength. 326 326 327 327 **Ex1: 0x1d = 29** ... ... @@ -336,8 +336,11 @@ 336 336 337 337 **99** Not known or not detectable 338 338 362 + 363 + 339 339 === 2.4.5 Soil PH === 340 340 366 + 341 341 Get the PH content of the soil. The value range of the register is 300-1000(Decimal), divide this value by 100 to get the percentage of PH in the soil. 342 342 343 343 For example, if the data you get from the register is **__0x05 0xDC__**, the PH content in the soil is ... ... @@ -344,8 +344,11 @@ 344 344 345 345 **0229(H) = 549(D) /100 = 5.49.** 346 346 373 + 374 + 347 347 === 2.4.6 Soil Temperature === 348 348 377 + 349 349 Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is **__0x09 0xEC__**, the temperature content in the soil is 350 350 351 351 **Example**: ... ... @@ -354,19 +354,25 @@ 354 354 355 355 If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/10 = -12.9 °C 356 356 386 + 387 + 357 357 === 2.4.7 Timestamp === 358 358 390 + 359 359 Time stamp : 0x6315537b =1662342011 360 360 361 361 Convert Unix timestamp to time 2022-9-5 9:40:11. 362 362 395 + 396 + 363 363 === 2.4.8 Digital Interrupt === 364 364 365 -Digital Interrupt refers to pin **GPIO_EXTI**, and there are different trigger methods. When there is a trigger, the NSPH01 will send a packet to the server. 366 366 400 +Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NSPH01 will send a packet to the server. 401 + 367 367 The command is: 368 368 369 -**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]])**.** 404 +(% 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]])**.** 370 370 371 371 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. 372 372 ... ... @@ -376,34 +376,33 @@ 376 376 377 377 0x(01): Interrupt Uplink Packet. 378 378 414 + 415 + 379 379 === 2.4.9 +5V Output === 380 380 418 + 381 381 NSPH01 will enable +5V output before all sampling and disable the +5v after all sampling. 382 382 383 383 The 5V output time can be controlled by AT Command. 384 384 385 -**AT+5VT=1000** 423 +(% style="color:blue" %)**AT+5VT=1000** 386 386 387 387 Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.** ** 388 388 389 389 428 + 390 390 == 2.5 Downlink Payload == 391 391 431 + 392 392 By default, NSPH01 prints the downlink payload to console port. 393 393 394 -(% style="text-align:center" %) 395 395 [[image:image-20220907154636-17.png]] 396 396 397 397 437 +(% style="color:blue" %)**Examples:** 398 398 439 +* (% style="color:#037691" %)** Set TDC** 399 399 400 - 401 - 402 - 403 -**Examples:** 404 - 405 -* **Set TDC** 406 - 407 407 If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01. 408 408 409 409 Payload: 01 00 00 1E TDC=30S ... ... @@ -410,16 +410,19 @@ 410 410 411 411 Payload: 01 00 00 3C TDC=60S 412 412 413 -* **Reset** 447 +* (% style="color:#037691" %)** Reset** 414 414 415 415 If payload = 0x04FF, it will reset the NSPH01 416 416 417 -* **INTMOD** 451 +* (% style="color:#037691" %)** INTMOD** 418 418 419 419 Downlink Payload: 06000003, Set AT+INTMOD=3 420 420 455 + 456 + 421 421 == 2.6 LED Indicator == 422 422 459 + 423 423 The NSPH01 has an internal LED which is to show the status of different state. 424 424 425 425 * When power on, NSPH01 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe) ... ... @@ -427,16 +427,25 @@ 427 427 * After NSPH01 join NB-IoT network. The LED will be ON for 3 seconds. 428 428 * For each uplink probe, LED will be on for 500ms. 429 429 430 -== 2.7 Installation and Maintain == 431 431 432 -=== 2.7.1 Before measurement === 433 433 469 + 470 +== 2.7 Installation and Maintain == 471 + 472 + 473 +=== 2.7.1 Before measurement === 474 + 475 + 434 434 If the NSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 435 435 436 -=== 2.7.2 Measurement === 437 437 479 + 480 +=== 2.7.2 Measurement === 481 + 482 + 438 438 **Measurement the soil surface:** 439 439 485 + 440 440 [[image:image-20220907154700-18.png]] 441 441 442 442 Choose the proper measuring position. Split the surface soil according to the measured deep. ... ... @@ -447,6 +447,7 @@ 447 447 448 448 Put soil over the probe after insert. And start to measure. 449 449 496 + 450 450 **Measurement inside soil:** 451 451 452 452 Dig a hole with diameter > 20CM. ... ... @@ -453,8 +453,11 @@ 453 453 454 454 Insert the probe inside, method like measure the surface. 455 455 456 -=== 2.7.3 Maintain Probe === 457 457 504 + 505 +=== 2.7.3 Maintain Probe === 506 + 507 + 458 458 1. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it. 459 459 1. After long time use (3~~ 6 months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it. 460 460 1. Probe reference electrode is also no strong, need to avoid strong force or hitting. ... ... @@ -462,12 +462,16 @@ 462 462 1. Avoid the probes to touch oily matter. Which will cause issue in accuracy. 463 463 1. The probe is IP68 can be put in water. 464 464 465 -== 2.8 PH and Temperature alarm function == 466 466 467 -➢ AT Command: 468 468 469 -AT+ PHALARM=min,max 470 470 518 +== 2.8 PH and Temperature alarm function == 519 + 520 + 521 +**➢ AT Command:** 522 + 523 +**AT+ PHALARM=min,max** 524 + 471 471 ² When min=3, and max≠0, Alarm higher than max 472 472 473 473 ² When min≠0, and max=0, Alarm lower than min ... ... @@ -474,10 +474,11 @@ 474 474 475 475 ² When min≠0 and max≠0, Alarm higher than max or lower than min 476 476 477 -Example: 478 478 479 - AT+ PHALARM =5,8 ~/~/ Alarmwhen PHlower than 5.532 +**Example:** 480 480 534 +AT+ PHALARM =5,8 ~/~/ Alarm when PH lower than 5. 535 + 481 481 AT+ TEMPALARM=min,max 482 482 483 483 ² When min=0, and max≠0, Alarm higher than max ... ... @@ -486,50 +486,64 @@ 486 486 487 487 ² When min≠0 and max≠0, Alarm higher than max or lower than min 488 488 489 -Example: 490 490 491 - AT+ TEMPALARM=20,30 ~/~/ Alarmwhen temperaturelower than 20.545 +**Example:** 492 492 547 +AT+ TEMPALARM=20,30 ~/~/ Alarm when temperature lower than 20. 493 493 549 + 550 + 494 494 == 2.9 Set the number of data to be uploaded and the recording time == 495 495 496 -➢ AT Command: 497 497 498 -AT +TR=900~/~/The unit is seconds, and the default is to record data once every 900 seconds.( Theminimum canbe set to 180 seconds)554 +**➢ AT Command:** 499 499 500 -AT+ NOUD=8~/~/Thedeviceuploads8sets of recordeddatabydefault.Upto32 sets ofrecord data can beuploaded.556 +**AT+TR=900** ~/~/ The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds) 501 501 558 +**AT+NOUD=8** ~/~/ The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 502 502 560 + 503 503 == 2.10 Read or Clear cached data == 504 504 505 -➢ AT Command: 506 506 507 -AT +CDP~/~/ Readcached data564 +**➢ AT Command:** 508 508 566 +**AT+CDP** ~/~/ Read cached data 567 + 568 +**AT+CDP=0** ~/~/ Clear cached data 569 + 570 + 509 509 [[image:image-20220907154700-19.png]] 510 510 511 511 512 -AT+CDP=0 ~/~/ Clear cached data 513 513 575 +== 2.11 Calibration == 514 514 515 -== 2.11 Calibration == 516 516 517 517 User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable). 518 518 519 519 After stable, user can use below command to calibrate. 520 520 582 + 521 521 [[image:image-20220907154700-20.png]] 522 522 585 + 586 + 523 523 == 2.12 Firmware Change Log == 524 524 589 + 525 525 Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/1zmcakvbkf24f8x/AACmq2dZ3iRB9F1nVWeEB9Moa?dl=0>>url:https://www.dropbox.com/sh/1zmcakvbkf24f8x/AACmq2dZ3iRB9F1nVWeEB9Moa?dl=0]] 526 526 527 527 Upgrade Instruction: [[Upgrade Firmware>>path:#H5.1200BHowtoUpgradeFirmware]] 528 528 594 + 595 + 529 529 == 2.13 Battery Analysis == 530 530 598 + 531 531 === 2.13.1 Battery Type === 532 532 601 + 533 533 The NSPH01 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. 534 534 535 535 The battery is designed to last for several years depends on the actually use environment and update interval. ... ... @@ -542,8 +542,11 @@ 542 542 543 543 [[image:image-20220907154700-21.png]] 544 544 614 + 615 + 545 545 === 2.13.2 Power consumption Analyze === 546 546 618 + 547 547 Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval. 548 548 549 549 Instruction to use as below: ... ... @@ -563,29 +563,40 @@ 563 563 564 564 565 565 638 + 566 566 === 2.13.3 Battery Note === 567 567 641 + 568 568 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 transmit LoRa, then the battery life may be decreased. 569 569 644 + 645 + 570 570 === 2.13.4 Replace the battery === 571 571 648 + 572 572 The default battery pack of NSPH01 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). 573 573 651 + 652 + 574 574 = 3. Access NB-IoT Module = 575 575 655 + 576 576 Users can directly access the AT command set of the NB-IoT module. 577 577 578 578 The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 579 579 580 - (% style="text-align:center" %)660 + 581 581 [[image:image-20220907154700-23.png]] 582 582 583 583 584 584 665 + 585 585 = 4. Using the AT Commands = 586 586 668 + 587 587 == 4.1 Access AT Commands == 588 588 671 + 589 589 See this link for detail: [[https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]] 590 590 591 591 AT+<CMD>? : Help on <CMD> ... ... @@ -596,6 +596,7 @@ 596 596 597 597 AT+<CMD>=? : Get the value 598 598 682 + 599 599 **General Commands** 600 600 601 601 AT : Attention ... ... @@ -645,10 +645,12 @@ 645 645 646 646 AT+URI : Resource parameters 647 647 732 + 648 648 **UDP Management** 649 649 650 650 AT+CFM : Upload confirmation mode (only valid for UDP) 651 651 737 + 652 652 **MQTT Management** 653 653 654 654 AT+CLIENT : Get or Set MQTT client ... ... @@ -661,6 +661,7 @@ 661 661 662 662 AT+SUBTOPIC : Get or Set MQTT subscription topic 663 663 750 + 664 664 **Information** 665 665 666 666 AT+FDR : Factory Data Reset ... ... @@ -667,36 +667,56 @@ 667 667 668 668 AT+PWORD : Serial Access Password 669 669 757 + 758 + 670 670 = 5. FAQ = 671 671 761 + 672 672 == 5.1 How to Upgrade Firmware == 673 673 764 + 674 674 User can upgrade the firmware for 1) bug fix, 2) new feature release. 675 675 676 676 Please see this link for how to upgrade: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]] 677 677 678 -**Notice, **NSPH01 **and ** NSPH01 **share the same mother board. They use the same connection and method to update.**769 +**Notice, **NSPH01 **and **LSPH01 **share the same mother board. They use the same connection and method to update.** 679 679 771 + 772 + 680 680 == 5.2 Can I calibrate NSPH01 to different soil types? == 681 681 775 + 682 682 NSPH01 is calibrated for saline-alkali soil and loamy soil. If users want to use it for other soil, they can calibrate the value in the IoT platform base on the value measured by saline-alkali soil and loamy soil. The formula can be found at [[this link>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/LSE01/Calibrate_to_other_Soil_20220605.pdf]]. 683 683 778 + 779 + 684 684 = 6. Trouble Shooting = 685 685 782 + 686 686 == 6.1 Connection problem when uploading firmware == 687 687 785 + 688 688 **Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]] 689 689 788 + 789 + 690 690 == 6.2 AT Command input doesn't work == 691 691 692 -In the case if user can see the console output but can't type input to the device. Please check if you already include the **ENTER** while sending out the command. Some serial tool doesn't send **ENTER** while press the send key, user need to add ENTER in their string. 693 693 793 +In the case if user can see the console output but can't type input to the device. Please check if you already include the **(% style="color:green" %)ENTER**(%%) while sending out the command. Some serial tool doesn't send **(% style="color:green" %)ENTER** (%%)while press the send key, user need to add ENTER in their string. 794 + 795 + 796 + 694 694 = 7. Order Info = 695 695 799 + 696 696 Part Number**:** NSPH01 697 697 802 + 803 + 698 698 = 8. Packing Info = 699 699 806 + 700 700 **Package Includes**: 701 701 702 702 * NSPH01 NB-IoT pH Sensor x 1 ... ... @@ -707,8 +707,12 @@ 707 707 * Size: 195 x 125 x 55 mm 708 708 * Weight: 420g 709 709 817 + 818 + 819 + 710 710 = 9. Support = 711 711 822 + 712 712 * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 713 713 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]] 714 714