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... ... @@ -16,19 +16,19 @@ 16 16 == 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor == 17 17 18 18 19 -The Dragino DDS20-NB is a (% style="color:blue" %)**NB-IoT Ultrasonic liquid level sensor**(%%)for Internet of Things solution. It uses(% style="color:blue" %)**none-contact method **(%%)to measure the(% style="color:blue" %)**height of liquid**(%%)in a container without opening the container, and send IoT platform via NB-IoT network.19 +The Dragino DDS20-NB is a **NB-IoT Ultrasonic liquid level sensor** for Internet of Things solution. It uses **none-contact method **to measure the **height of liquid** in a container without opening the container, and send IoT platform via NB-IoT network. 20 20 21 21 The DDS20-NB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation. 22 22 23 -DDS20-NB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%)for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as:(% style="color:blue" %)**toxic substances**, **strong acids**, **strong alkalis**(%%)and(% style="color:blue" %)**various pure liquids**(%%)in high-temperature and high-pressure airtight containers.23 +DDS20-NB uses **ultrasonic sensing technology** for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: **toxic substances**, **strong acids**, **strong alkalis** and **various pure liquids** in high-temperature and high-pressure airtight containers. 24 24 25 - DDS20-NB supports different uplink methods including(% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%)for different application requirement, and support uplinks to various IoT Servers.25 +PS-NB-NA supports different uplink methods including **MQTT, MQTTs, UDP & TCP** for different application requirement, and support uplinks to various IoT Servers. 26 26 27 - DDS20-NB(% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%)which make user easy to use.27 +PS-NB-NA **supports BLE configure **and** OTA update** which make user easy to use. 28 28 29 - DDS20-NB is powered by(% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.29 +PS-NB-NA is powered by **8500mAh Li-SOCI2 battery**, it is designed for long-term use up to severa years. 30 30 31 - DDS20-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.31 +PS-NB-NA has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration. 32 32 33 33 34 34 [[image:image-20230911140426-2.png||height="320" width="951"]] ... ... @@ -51,8 +51,6 @@ 51 51 * 8500mAh Battery for long term use 52 52 * Nano SIM card slot for NB-IoT SIM 53 53 54 - 55 - 56 56 == 1.3 Specification == 57 57 58 58 ... ... @@ -98,8 +98,6 @@ 98 98 * STOP Mode: 10uA @ 3.3v 99 99 * Max transmit power: 350mA@3.3v 100 100 101 - 102 - 103 103 == 1.4 Suitable Container & Liquid == 104 104 105 105 ... ... @@ -110,8 +110,6 @@ 110 110 ** Pure non metal material: <10 mm 111 111 * Pure liquid without irregular deposition. 112 112 113 - 114 - 115 115 (% style="display:none" %) 116 116 117 117 == 1.5 Install DDS20-NB == ... ... @@ -198,7 +198,7 @@ 198 198 Reset DDS20-NB and see if the BLUE LED is slowly blinking. 199 199 ))) 200 200 201 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230809172509-1.png?rev=1.1||alt="image-20230809172509-1.png"]]195 +[[image:image-20230809172509-1.png]] 202 202 203 203 ((( 204 204 (% style="color:red" %)**Note :**(% style="color:red; display:none" %)** ** ... ... @@ -218,8 +218,6 @@ 218 218 219 219 * Smart liquefied gas solution 220 220 221 - 222 - 223 223 == 1.7 Precautions == 224 224 225 225 ... ... @@ -260,8 +260,6 @@ 260 260 ))) 261 261 |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode. 262 262 263 - 264 - 265 265 == 1.10 BLE connection == 266 266 267 267 ... ... @@ -305,25 +305,8 @@ 305 305 (% style="display:none" %) 306 306 307 307 308 -= =1.12Mechanical==298 += 2. Use S31-NB to communicate with IoT Server = 309 309 310 - 311 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143884058-338.png?rev=1.1||alt="1675143884058-338.png"]] 312 - 313 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143899218-599.png?rev=1.1||alt="1675143899218-599.png"]] 314 - 315 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143909447-639.png?rev=1.1||alt="1675143909447-639.png"]] 316 - 317 - 318 -(% style="color:blue" %)**Probe Mechanical:** 319 - 320 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]] 321 - 322 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]] 323 - 324 - 325 -= 2. Use DDS20-NB to communicate with IoT Server = 326 - 327 327 == 2.1 Send data to IoT server via NB-IoT network == 328 328 329 329 ... ... @@ -335,10 +335,10 @@ 335 335 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-NB_NB-IoT_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230911140426-2.png?width=951&height=320&rev=1.1||alt="image-20230911140426-2.png"]] 336 336 337 337 338 -There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS20-NB.311 +There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of S31-NB. 339 339 340 340 341 -(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DDS20-NB send data to IoT server.314 +(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set S31-NB send data to IoT server. 342 342 343 343 * Install NB-IoT SIM card and configure APN. See instruction of [[Attach Network>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]]. 344 344 ... ... @@ -368,13 +368,13 @@ 368 368 [[image:image-20230819113244-11.png||height="141" width="367"]] 369 369 )))|(% style="width:170px" %) 370 370 371 -(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate DDS20-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].344 +(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate S31-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]]. 372 372 373 373 374 374 == 2.2 Payload Types == 375 375 376 376 377 -To meet different server requirement, DDS20-NB supports different payload type.350 +To meet different server requirement, S31-NB supports different payload type. 378 378 379 379 **Includes:** 380 380 ... ... @@ -400,7 +400,7 @@ 400 400 401 401 This is the General Json Format. As below: 402 402 403 -(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model": DDS20-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}**376 +(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":S31x-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}** 404 404 405 405 406 406 (% style="color:red" %)**Notice, from above payload:** ... ... @@ -409,8 +409,6 @@ 409 409 410 410 * Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Temperature, Humidity, Sampling time. 411 411 412 - 413 - 414 414 === 2.2.2 HEX format Payload(Type~=0) === 415 415 416 416 ... ... @@ -425,7 +425,7 @@ 425 425 426 426 These bytes include the hardware and software version. 427 427 428 -(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for DDS20-NB399 +(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x00 for S31B-NB & S31-NB 429 429 430 430 (% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x64=100, means firmware version 100 431 431 ... ... @@ -452,6 +452,20 @@ 452 452 **99** Not known or not detectable 453 453 454 454 426 +(% style="color:blue" %)**Temperature: ** 427 + 428 +If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree 429 + 430 +If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 431 + 432 +(FF3F & 8000: Judge whether the highest bit is 1, when the highest bit is 1, it is negative) 433 + 434 + 435 +(% style="color:blue" %)**Humidity: ** 436 + 437 +Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 438 + 439 + 455 455 (% style="color:blue" %)**TimeStamp: ** 456 456 457 457 Unit TimeStamp Example: 64d49439(H) = 1691653177(D) ... ... @@ -479,125 +479,60 @@ 479 479 (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28** 480 480 481 481 482 -== 2.3 UplinkPayload ==467 +== 2.3 Test Uplink and Change Update Interval == 483 483 484 484 485 -((( 486 -DDS20-NB will uplink payload via LoRaWAN with below payload format: 487 -))) 470 +By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8 488 488 489 -((( 490 -Uplink payload includes in total 8 bytes. 491 -))) 472 +User can use below commands to change the (% style="color:blue" %)**uplink interval**. 492 492 493 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %) 494 -|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1 495 -|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 496 -[[Distance>>||anchor="H2.3.2A0Distance"]] 497 -(unit: mm) 498 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|((( 499 -[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]] 500 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]] 474 +(% style="color:#037691" %)**AT+TDC=600 ** (%%) ~/~/ Set Update Interval to 600s 501 501 502 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_20230702135733.png?width=964&height=215&rev=1.1||alt="微信截图_20230702135733.png"]]476 +User can also push the button for more than 1 seconds to activate an uplink. 503 503 504 504 505 -== =2.3.1BatteryInfo===479 +== 2.4 Multi-Samplings and One uplink == 506 506 507 507 508 - Checkthebattery voltageforDDS20-NB.482 +To save battery life, S31-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by: 509 509 510 - Ex1: 0x0B45=2885mV484 +* (% style="color:#037691" %)**AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds) 511 511 512 - Ex2:0x0B49 =2889mV486 +* (% style="color:#037691" %)**AT+NOUD=8** (%%)~/~/ The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 513 513 488 +The diagram below explains the relationship between TR, NOUD, and TDC more clearly: 514 514 515 - ===2.3.2 Distance ===490 +[[image:1692424376354-959.png]] 516 516 517 517 518 -((( 519 -Get the distance. Flat object range 20mm - 2000mm. 520 -))) 493 +== 2.5 Humidity and Temperature alarm function == 521 521 522 -((( 523 -For example, if the data you get from the register is **0x06 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** ** 524 524 525 -(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.** 526 -))) 496 +On each sampling define by AT+TR ( default 900s or 15 minutes), when the value exceed the range, it will trigger an Alarm and immediately sends a uplink. 527 527 528 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor. 529 529 530 - *Ifthesensorvaluelower than 0x0014 (20mm),the sensor value will be invalid.499 +(% style="color:blue" %)**AT Commands:** 531 531 501 +(% style="color:#037691" %)**AT+ SHHUM=min,max** 532 532 503 +Example: AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50 or higher than 80. 533 533 534 -=== 2.3.3 Interrupt Pin === 535 535 506 +(% style="color:#037691" %)**AT+ SHTEMP=min,max** 536 536 537 - This data fieldshowsifthispacketis generatedby interrupt ornot.508 +Example: AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20 or higher than 30 538 538 539 -**Example:** 540 540 541 - 0x00:Normaluplink packet.511 +(% style="color:red" %)**Notice:** 542 542 543 - 0x01:InterruptUplinkPacket.513 +* To disable Alarm, user can set min and max to same value , such as (% style="color:#037691" %)**AT+SHTEMP=0,0.** 544 544 515 +* If user only want to send only min or max, user can set the alarm to a value that device won’t reach. For example: (% style="color:#037691" %)**AT+SHTEMP=-80,0.** 545 545 546 -=== 2.3.4 DS18B20 Temperature sensor === 547 - 548 - 549 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. 550 - 551 -**Example**: 552 - 553 -If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree 554 - 555 -If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 556 - 557 - 558 -=== 2.3.5 Sensor Flag === 559 - 560 - 561 -((( 562 -0x01: Detect Ultrasonic Sensor 563 -))) 564 - 565 -((( 566 -0x00: No Ultrasonic Sensor 567 - 568 - 569 -))) 570 - 571 -== 2.4 Test Uplink and Change Update Interval == 572 - 573 - 574 -By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8 575 - 576 -User can use below commands to change the (% style="color:blue" %)**uplink interval**. 577 - 578 -(% style="color:#037691" %)**AT+TDC=600 ** (%%) ~/~/ Set Update Interval to 600s 579 - 580 -User can also push the button for more than 1 seconds to activate an uplink. 581 - 582 - 583 -== 2.5 Multi-Samplings and One uplink == 584 - 585 - 586 -To save battery life, DDS20-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by: 587 - 588 -* (% style="color:#037691" %)**AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds) 589 - 590 -* (% style="color:#037691" %)**AT+NOUD=8** (%%)~/~/ The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 591 - 592 -The diagram below explains the relationship between TR, NOUD, and TDC more clearly: 593 - 594 -[[image:1692424376354-959.png]] 595 - 596 - 597 597 == 2.6 Trggier an uplink by external interrupt == 598 598 599 599 600 - DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.520 +S31-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets. 601 601 602 602 (% style="color:blue" %)**AT command:** 603 603 ... ... @@ -611,21 +611,17 @@ 611 611 612 612 * (% style="color:#037691" %)**AT+INTMOD=3 **(%%) ~/~/ Trigger by rising edge 613 613 534 += 3. Configure S31x-NB = 614 614 615 - 616 -= 3. Configure DDS20-NB = 617 - 618 618 == 3.1 Configure Methods == 619 619 620 620 621 - DDS20-NB supports below configure method:539 +S31x-NB supports below configure method: 622 622 623 623 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 624 624 625 625 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]. 626 626 627 - 628 - 629 629 == 3.2 AT Commands Set == 630 630 631 631 ... ... @@ -709,7 +709,7 @@ 709 709 = 4. Battery & Power Consumption = 710 710 711 711 712 - DDS20-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.628 +S31x-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 713 713 714 714 [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 715 715 ... ... @@ -723,7 +723,7 @@ 723 723 724 724 * Fix bugs. 725 725 726 -Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/ nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**642 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]** 727 727 728 728 Methods to Update Firmware: 729 729 ... ... @@ -731,8 +731,6 @@ 731 731 732 732 * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**. 733 733 734 - 735 - 736 736 = 6. FAQ = 737 737 738 738 == 6.1 How can I access t BC660K-GL AT Commands? == ... ... @@ -743,24 +743,11 @@ 743 743 [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]] 744 744 745 745 746 -= 7. TroubleShooting=660 += 7. Order Info = 747 747 748 -== 7.1 Why i always see 0x0000 or 0 for the distance value? == 749 749 663 +Part Number: (% style="color:blue" %)**S31-NB-XX / S31B-NB-XX** 750 750 751 -((( 752 -DDS20-NB has a strict [[**installation requirement**>>||anchor="H1.5A0InstallDDS20-NB"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00. 753 - 754 -If you have followed the instruction requirement exactly but still see the 0x00 reading issue, please. please double-check the decoder, you can check the raw payload to verify. 755 - 756 - 757 -))) 758 - 759 -= 8. Order Info = 760 - 761 - 762 -Part Number: (% style="color:blue" %)**DDS20-NB-XX** 763 - 764 764 (% style="color:red" %)**XX**(%%): 765 765 766 766 * (% style="color:#037691" %)**GE**(%%): General version ( Exclude SIM card) ... ... @@ -770,12 +770,12 @@ 770 770 (% style="color:#037691" %)**1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands 771 771 772 772 773 -= 9. Packing Info =674 += 8. Packing Info = 774 774 775 775 776 776 (% style="color:#037691" %)**Package Includes**: 777 777 778 -* DDS20-NB NB-IoTUltrasonic liquid level sensor x 1679 +* S31-NB or S31-NB NB-IoT Sensor Node x 1 779 779 780 780 * External antenna x 1 781 781 ... ... @@ -789,11 +789,9 @@ 789 789 790 790 * Weight / pcs : 180g 791 791 693 += 9. Support = 792 792 793 793 794 -= 10. Support = 795 - 796 - 797 797 * 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. 798 798 799 799 * 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.cc>>mailto:Support@dragino.cc]].