Changes for page NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 17:03
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... ... @@ -4,7 +4,6 @@ 4 4 5 5 **Table of Contents:** 6 6 7 -{{toc/}} 8 8 9 9 10 10 ... ... @@ -16,37 +16,25 @@ 16 16 17 17 ((( 18 18 The Dragino NMDS200 is a(% style="color:blue" %)** NB-IoT Microwave Radar distance sensor**(%%). It uses (% style="color:blue" %)**24Ghz Microwave**(%%) to detect the distance between sensor and different objects. Compare vs ultrasonic or Lidar measurement method, Microwave Radar is (% style="color:blue" %)**more reliable for condensation / dusty environment**(%%). It can sense correct distance even there is water or thick dust on top of the sensor. 19 -))) 20 20 21 - (((19 + 22 22 The NMDS200 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc. 23 -))) 24 24 25 -((( 26 26 NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one. 27 -))) 28 28 29 -((( 30 30 NMDS200 (% style="color:blue" %)**supports Alarm Feature**(%%), user can set the NMDS200 to uplink data in a short interval when the distance is out of configured range. 31 -))) 32 32 33 -((( 34 34 NarrowBand-Internet of Things (NB-IoT) is a (% style="color:blue" %)**standards-based low power wide area (LPWA) technology**(%%) developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity, and spectrum efficiency, especially in deep coverage. 35 -))) 36 36 37 -((( 38 38 NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements. 39 -))) 40 40 41 -((( 42 42 NMDS200 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**,(%%) It is designed for long-term use of up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method) 43 -))) 44 44 45 -((( 46 46 To use NMDS200, user needs to check if there is NB-IoT coverage in the field and with the Nb-IoT bands that NMDS200 supports. If local operator support it, user needs to get a** (% style="color:blue" %)NB-IoT SIM card(%%)** from the operator and install into NMDS200 to get NB-IoT network connection. 47 47 ))) 48 48 49 49 36 + 50 50 == 1.2 Features == 51 51 52 52 ... ... @@ -65,14 +65,13 @@ 65 65 * 8500mAh Battery for long-term use 66 66 67 67 68 - 69 69 == 1.3 Radar probe specification == 70 70 71 71 72 72 * Measuring Method: FMCW 73 -* Frequency: 24.000 ~~24.500 GHz59 +* Frequency: 24.000 24.500 GHz 74 74 * Measurement output power: 6dBm 75 -* Measure range: 0.5 ~~20m61 +* Measure range: 0.5 20m 76 76 * Accuracy: ±0.1m 77 77 * Resolution: 0.01m 78 78 * Horizontal Angel: 78° ... ... @@ -86,9 +86,13 @@ 86 86 -40°C to +85°C 87 87 88 88 75 + 76 + 77 + 89 89 == 1.5 Applications == 90 90 91 91 81 + 92 92 * Horizontal distance measurement 93 93 * Liquid level measurement 94 94 * Parking management system ... ... @@ -100,7 +100,6 @@ 100 100 * Bottom water level monitoring 101 101 102 102 103 - 104 104 == 1.6 Specification == 105 105 106 106 ... ... @@ -119,7 +119,6 @@ 119 119 * B28 @H-FDD: 700MHz 120 120 121 121 122 - 123 123 == 1.7 Installation == 124 124 125 125 ... ... @@ -126,13 +126,10 @@ 126 126 Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object. 127 127 128 128 129 -[[image:image-20221207170748-1.png]] 117 +[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]] 130 130 131 131 132 - [[image:image-20221207170748-2.png||height="345" width="634"]] 133 133 134 - 135 - 136 136 == 1.8 Pin Definitions and Switch == 137 137 138 138 ... ... @@ -148,7 +148,7 @@ 148 148 149 149 The diagram below shows the working flow in the default firmware of NMDS200: 150 150 151 -[[image:image-20221021110615-5.png ||height="996" width="492"]]136 +[[image:image-20221021110615-5.png]] 152 152 153 153 154 154 == 2.2 Configure NMDS200 == ... ... @@ -162,7 +162,7 @@ 162 162 163 163 Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. The NMDS200 will use** (% style="color:red" %)CoAP(120.24.4.116:5683)(%%)** or raw (% style="color:red" %)**UDP(120.24.4.116:5601) **(%%)or (% style="color:red" %)**MQTT(120.24.4.116:1883) **(%%)or (% style="color:red" %)**TCP(120.24.4.116:5600)protocol**(%%) to send data to the test server. 164 164 165 -[[image:image-2022120 8090742-1.png]]150 +[[image:image-20221207173300-4.png]] 166 166 167 167 168 168 === 2.2.1 Insert NB-IoT SIM card === ... ... @@ -211,6 +211,7 @@ 211 211 (% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]] 212 212 213 213 199 + 214 214 === 2.2.3 Use CoAP protocol to uplink data === 215 215 216 216 ... ... @@ -217,7 +217,7 @@ 217 217 (% style="color:red" %)**Note: if you don't have a CoAP server, you can refer this link to set up a CoAP server: **(%%)[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]] 218 218 219 219 220 -(% style="color:blue" %)**Use below commands in N MDS200:**206 +(% style="color:blue" %)**Use below commands in NDS03A:** 221 221 222 222 * (% style="color:#037691" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 223 223 ... ... @@ -318,15 +318,15 @@ 318 318 Each time the device uploads a data package. The user can use the AT+NOUD command to upload the recorded data.Up to 32 sets of recorded data can be uploaded. 319 319 320 320 321 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width: 450px" %)322 -|=(% scope="row" style="width: 60px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:30px" %)**2**|(% style="width:30px" %)**2**|(% style="width:75px" %)**1**|(% style="width:30px" %)**1**|(% style="width:50px" %)**1**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**323 -|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) [[Distance 1>>||anchor="H2.4.5A0Distance"]]|(% style="width:93px" %)[[Distance 2>>||anchor="H2.4.5A0Distance"]]307 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %) 308 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:65px" %)**1**|(% style="width:25px" %)**1**|(% style="width:50px" %)**1**|(% style="width:90px" %)**2**|(% style="width:100px" %)**2** 309 +|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) Distance 1 |(% style="width:93px" %) Distance 2 324 324 325 -(% border="1" style="background-color:#ffffcc; color:green; width:4 29px" %)326 -|(% style="width: 60px" %)**4**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**|(% style="width:60px" %)**4**|(% style="width:100px" %)(((311 +(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %) 312 +|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:50px" %)((( 327 327 **1-32 group** 328 328 ))) 329 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4. 6A0Timestamp"]]| Distance 1 | Distance 2|(% style="width:67px" %)Time stamp|(% style="width:100px" %)...315 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]| Distance 1 | Distance 2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)... 330 330 331 331 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data. 332 332 ... ... @@ -398,17 +398,17 @@ 398 398 399 399 NB-IoT Network signal Strength. 400 400 401 - (% style="color:blue" %)**Ex1: 0x1d = 29**387 +**Ex1: 0x1d = 29** 402 402 403 - (% style="color:#037691" %)**0**(%%)389 +**0** -113dBm or less 404 404 405 - (% style="color:#037691" %)**1**(%%)391 +**1** -111dBm 406 406 407 - (% style="color:#037691" %)**2...30**(%%)-109dBm... -53dBm393 +**2...30** -109dBm... -53dBm 408 408 409 - (% style="color:#037691" %)**31**(%%)395 +**31** -51dBm or greater 410 410 411 - (% style="color:#037691" %)**99**(%%)397 +**99** Not known or not detectable 412 412 413 413 414 414 === 2.4.5 Distance === ... ... @@ -416,17 +416,16 @@ 416 416 417 417 [[image:1670407401682-959.png]] 418 418 405 +**(% style="color:blue" %)Object1 Distance:** 419 419 420 -(% style="color:blue" %)**Object1 Distance:** 421 - 422 422 Distance between sensor probe to the first object. (unit: cm) 423 423 424 424 For example, if the data you get from the register is 0x02 0x05, the distance between the sensor and the measured object is 425 425 426 -(% style="color:blue" %) **0205(H) = 517 (D) = 517 cm.**411 +**(% style="color:blue" %)0205(H) = 517 (D) = 517 cm.** 427 427 428 428 429 -(% style="color:blue" %) **Object2 Distance:**414 +**(% style="color:blue" %)Object2 Distance:** 430 430 431 431 Distance between sensor probe to the second object. (unit: cm) 432 432 ... ... @@ -440,7 +440,7 @@ 440 440 == 2.5 Downlink Payload == 441 441 442 442 443 -By default, N MDS200prints the downlink payload to console port.428 +By default, NDS03A prints the downlink payload to console port. 444 444 445 445 [[image:image-20221021111414-18.png]] 446 446 ... ... @@ -457,7 +457,7 @@ 457 457 458 458 * (% style="color:#037691" %)**Reset** 459 459 460 -If payload = 0x04FF, it will reset the N MDS200445 +If payload = 0x04FF, it will reset the NDS03A 461 461 462 462 * (% style="color:#037691" %)**INTMOD** 463 463 ... ... @@ -467,34 +467,112 @@ 467 467 == 2.6 LED Indicator == 468 468 469 469 470 -The N MDS200has an internal LED which is to show the status of different states.455 +The NDS03A has an internal LED which is to show the status of different states. 471 471 472 472 * When the device starts normally, the LED will light up for 1 second. 473 -* After N MDS200join NB-IoT network. The LED will be ON for 3 seconds.458 +* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds. 474 474 * For each uplink probe, LED will be on for 500ms. 475 475 461 +== 2.7 Alarm Base on Timeout == 476 476 477 477 478 - ==2.7Distance alarmfunction==464 +NDS03A can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are: 479 479 480 480 481 -(% style="color:blue" %)** ATCommand:AT+ALARM1=min,max**467 +(% style="color:blue" %)**1. Keep Status: Status to be monitor** 482 482 483 - (%style="color:#037691"%)**Example1:**469 +Keep Status = 1: Monitor Close to Open event 484 484 485 - AT+ALARM1=60,200~/~/ Alarmwhenmoisturelowerthan60.471 +Keep Status = 0: Monitor Open to Close event 486 486 487 -AT+ ALARM2 =min,max 488 488 474 +(% style="color:blue" %)**2. Keep Time: Timeout to send an Alarm** 489 489 490 -( %style="color:#037691" %)**Example 2:**476 +Range 0 ~~ 65535(0xFFFF) seconds. 491 491 492 - AT+ALARM2=200,1500~/~/Alarmwhentemperaturelower than 1500478 +If keep time = 0, Disable Alarm Base on Timeout feature. 493 493 480 +If keep time > 0, device will monitor the keep status event and send an alarm when status doesn't change after timeout. 494 494 495 -== 2.8 Set the number of data to be uploaded and the recording time == 496 496 483 +(% style="color:blue" %)**AT Command to configure:** 497 497 485 +(% style="color:blue" %)**PB14 PIN:** 486 + 487 +(% style="color:#037691" %)**AT+TTRIG=1,30** (%%) **~-~->** When the **Keep Status** change from connected to disconnect, and device remains in disconnect status for more than 30 seconds. NDS03A will send an uplink packet, the [[Alarm bit>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/#H2.3.3Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2]] (the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1. 488 + 489 +(% style="color:#037691" %)**AT+TTRIG=0,0 ** (%%) **~-~->** Default Value, disable timeout Alarm. 490 + 491 + 492 +(% style="color:blue" %)**PB15 PIN:** 493 + 494 +(% style="color:#037691" %)**AT+TTRIG2=1,30** 495 + 496 +(% style="color:#037691" %)**AT+TTRIG2=0,0 ** 497 + 498 + 499 +== 2.8 Set debug mode == 500 + 501 + 502 +Feature: Enable or Disable debug mode 503 + 504 +(% style="color:blue" %)**AT Command: AT+DEBUG** 505 + 506 +[[image:image-20221021111629-21.png]] 507 + 508 + 509 + 510 +== 2.9 Clear Flash Record == 511 + 512 + 513 +Feature: Clear flash storage for data log feature. 514 + 515 +(% style="color:blue" %)**AT Command: AT+CLRDTA** 516 + 517 +[[image:image-20221021111527-19.png]] 518 + 519 + 520 +== 2.10 Count Mod == 521 + 522 + 523 +(% style="color:blue" %)**AT Command: AT+COUNTMOD** 524 + 525 +[[image:image-20221118092935-1.png]] 526 + 527 + 528 +== 2.11 Interrupt Pin Channel Mod == 529 + 530 + 531 +(% style="color:blue" %)**AT Command: AT+TTRCHANNEL** 532 + 533 +[[image:image-20221118093144-2.png]] 534 + 535 + 536 +== 2.12 TTRIG1/2 timeout status alarm == 537 + 538 + 539 +It needs to be used with AT+TTRIG1 or AT+TTRIG2. When TTRIG1 or TTRIG2 times out and causes an alarm, and the status does not change subsequently, an alarm packet will be sent at the alarm interval. 540 + 541 +(% style="color:blue" %)**AT Command: AT+TTRALARM** 542 + 543 +[[image:image-20221118093512-3.png]] 544 + 545 + 546 +== 2.13 Select counting mode == 547 + 548 + 549 +(% style="color:blue" %)**AT Command: AT+TTRMODx=a,b** 550 + 551 +When (% style="color:red" %)**a=0**(%%), the door is opened to count, and when (% style="color:red" %)**a=1**(%%),the closed door is counted. 552 + 553 +When (% style="color:red" %)**b=0**(%%), it is the last door open duration, and when (% style="color:red" %)**b=1**(%%),the last door close duration. 554 + 555 +[[image:image-20221118093658-4.png]] 556 + 557 + 558 +== 2.14 Set the number of data to be uploaded and the recording time == 559 + 560 + 498 498 (% style="color:blue" %)**AT Command:** 499 499 500 500 (% style="color:#037691" %)**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) ... ... @@ -502,7 +502,7 @@ 502 502 (% style="color:#037691" %)**AT+NOUD=8**(%%)** ** ~/~/ The device uploads 0 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 503 503 504 504 505 -== 2. 9Read or Clear cached data ==568 +== 2.15 Read or Clear cached data == 506 506 507 507 508 508 (% style="color:blue" %)**AT Command:** ... ... @@ -511,10 +511,10 @@ 511 511 512 512 (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/ Clear cached data 513 513 514 -[[image:1 670408172929-569.png]]577 +[[image:image-20221118094227-5.png]] 515 515 516 516 517 -== 2.1 0Firmware Change Log ==580 +== 2.16 Firmware Change Log == 518 518 519 519 520 520 Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]] ... ... @@ -522,12 +522,12 @@ 522 522 Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 523 523 524 524 525 -== 2.1 1Battery Analysis ==588 +== 2.17 Battery Analysis == 526 526 527 -=== 2.1 1.1 Battery Type ===590 +=== 2.17.1 Battery Type === 528 528 529 529 530 -The N MDS200battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-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.593 +The NDS03A battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-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. 531 531 532 532 The battery is designed to last for several years depends on the actual use environment and update interval. 533 533 ... ... @@ -542,7 +542,7 @@ 542 542 [[image:image-20221021111911-26.png]] 543 543 544 544 545 -=== 2.1 1.2 Power consumption Analyze ===608 +=== 2.17.2 Power consumption Analyze === 546 546 547 547 548 548 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. ... ... @@ -564,16 +564,16 @@ 564 564 [[image:1666596205057-567.png]] 565 565 566 566 567 -=== 2.1 1.3 Battery Note ===630 +=== 2.17.3 Battery Note === 568 568 569 569 570 570 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. 571 571 572 572 573 -=== 2.1 1.4 Replace the battery ===636 +=== 2.17.4 Replace the battery === 574 574 575 575 576 -The default battery pack of N MDS200includes 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).639 +The default battery pack of NDS03A 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). 577 577 578 578 579 579 = 3. Access NB-IoT Module = ... ... @@ -619,59 +619,65 @@ 619 619 620 620 AT+INTMOD : Set the trigger interrupt mode 621 621 622 -AT+5VT : Set extend the time of 5V power 685 +AT+5VT : Set extend the time of 5V power 623 623 624 -AT+PRO : Choose agreement 687 +AT+PRO : Choose agreement 625 625 626 -AT+RXDL : Extend the sending and receiving time 689 +AT+RXDL : Extend the sending and receiving time 627 627 628 -AT+SERVADDR : Server Address 691 +AT+SERVADDR : Server Address 629 629 630 -AT+TR : Get or Set record time 693 +AT+TR : Get or Set record time 631 631 632 -AT+NOUD : 695 +AT+NOUD : Get or Set the number of data to be uploaded 633 633 634 634 AT+CDP : Read or Clear cached data 635 635 636 -AT+DEBUG :Enable or Disable debug mode699 +AT+ DEBUG : Enable or Disable debug mode 637 637 638 -AT+ ALARM1:Get or Setalarm ofdistance1701 +AT+ TTRIG1 : Get or Set PB14 PIN Alarm Base on Timeout 639 639 640 -AT+ ALARM2:Get or Setalarm ofdistance2703 +AT+ TTRIG2 : Get or Set PB15 PIN Alarm Base on Timeout 641 641 642 -AT+ GETSENSORVALUE:Returnsthe currentsensormeasurement705 +AT+COUNTMOD : Get or Set the count mode 643 643 644 -AT+ POWERIC :set thePowerICflag707 +AT+TTRCHANNEL : Get or Set the number of interrupt channels 645 645 709 +AT+TTRALARM : Get or Set TTRIG1 of Alarm interval (unit: minute) 646 646 711 +AT+DISALARM : Enable/Disable Alarm for door open/close or water leak event 712 + 713 +AT+ CLRC : Clear current door open count 714 + 715 + 647 647 (% style="color:blue" %)**COAP Management** 648 648 649 -AT+URI : 718 +AT+URI : Resource parameters 650 650 651 651 652 652 (% style="color:blue" %)**UDP Management** 653 653 654 -AT+CFM : 723 +AT+CFM : Upload confirmation mode (only valid for UDP) 655 655 656 656 657 657 (% style="color:blue" %)**MQTT Management** 658 658 659 -AT+CLIENT : Get or Set MQTT client 728 +AT+CLIENT : Get or Set MQTT client 660 660 661 -AT+UNAME : Get or Set MQTT Username 730 +AT+UNAME : Get or Set MQTT Username 662 662 663 -AT+PWD : 732 +AT+PWD : Get or Set MQTT password 664 664 665 -AT+PUBTOPIC :Get or Set MQTT publish topic734 +AT+PUBTOPIC : Get or Set MQTT publish topic 666 666 667 -AT+SUBTOPIC :Get or Set MQTT subscription topic736 +AT+SUBTOPIC : Get or Set MQTT subscription topic 668 668 669 669 670 670 (% style="color:blue" %)**Information** 671 671 672 -AT+FDR :Factory Data Reset741 +AT+FDR : Factory Data Reset 673 673 674 -AT+PWORD :Serial Access Password743 +AT+PWORD : Serial Access Password 675 675 676 676 677 677 = 5. FAQ = ... ... @@ -683,7 +683,7 @@ 683 683 684 684 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]] 685 685 686 -(% style="color:red" %)**Notice: **(% style="color:blue" %)**N MDS200** (%%)**and (% style="color:blue" %)LMDS200(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**755 +(% style="color:red" %)**Notice: **(% style="color:blue" %)**NDS03A** (%%)**and (% style="color:blue" %)LDS03A(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.** 687 687 688 688 689 689 = 6. Trouble Shooting = ... ... @@ -703,7 +703,7 @@ 703 703 = 7. Order Info = 704 704 705 705 706 -Part Number: (% style="color:blue" %)** NMDS200**775 +Part Number**:** NDS03A 707 707 708 708 709 709 = 8. Packing Info = ... ... @@ -711,10 +711,8 @@ 711 711 712 712 (% style="color:blue" %)**Package Includes**: 713 713 714 -* N MDS200NB-IoT MicrowaveRadarDistanceSensor x 1783 +* NDS03A Open/Close Door Sensor x 1 715 715 716 - 717 - 718 718 = 9. Support = 719 719 720 720
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