Summary

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16	16	(((
17	17	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.
18	18
19		-
20	20	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.
21	21
22	22	NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
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33	33	)))
34	34
35	35
36		-
37	37	== ​1.2  Features ==
38	38
39	39
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63	63	* Horizontal Angel: 78°
64	64	* Vertical Angel: 23°
65	65
66		-
67	67	== 1.4  Storage Temperature ==
68	68
69	69
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70	70	-40°C to +85°C
71	71
72	72
73		-
74		-
75		-
76	76	== 1.5 ​ Applications ==
77	77
78	78
79		-
80	80	* Horizontal distance measurement
81	81	* Liquid level measurement
82	82	* Parking management system
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143	143
144	144	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.
145	145
146		-[[image:image-20221207173300-4.png]]
	139	+[[image:image-20221208090742-1.png]]
147	147
148	148
149	149	=== 2.2.1 Insert NB-IoT SIM card ===
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199	199	(% 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/]]
200	200
201	201
202		-(% style="color:blue" %)**Use below commands in NDS03A:**
	195	+(% style="color:blue" %)**Use below commands in NMDS200:**
203	203
204	204	* (% style="color:#037691" %)**AT+PRO=1**                (%%) ~/~/ Set to use CoAP protocol to uplink
205	205
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339	339
340	340	* (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
341	341
342		-
343	343	== 2.4  Payload Explanation and Sensor Interface ==
344	344
345	345	=== 2.4.1  Device ID ===
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397	397
398	398	[[image:1670407401682-959.png]]
399	399
	392	+
400	400	(% style="color:blue" %)**Object1 Distance:**
401	401
402	402	Distance between sensor probe to the first object. (unit: cm)
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450	450	The NMDS200 has an internal LED which is to show the status of different states.
451	451
452	452	* When the device starts normally, the LED will light up for 1 second.
453		-* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
	446	+* After NMDS200 join NB-IoT network. The LED will be ON for 3 seconds.
454	454	* For each uplink probe, LED will be on for 500ms.
455	455
456	456
457	457
	451	+
458	458	== 2.7  Distance alarm function ==
459	459
460	460
461	461	(% style="color:blue" %)**AT Command: AT+ALARM1=min,max**
462	462
463		-**Example 1:**
	457	+**(% style="color:blue" %)Example 1:**
464	464
465	465	AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
466	466
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467	467	AT+ ALARM2 =min,max
468	468
469	469
470		-**Example 2:**
	464	+**(% style="color:blue" %)Example 2:**
471	471
472	472	AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
473	473
474	474
	469	+
	470	+
475	475	== 2.8  Set the number of data to be uploaded and the recording time ==
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477	477
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607	607
608	608	AT+SERVADDR  : Server Address
609	609
610		-AT+TR      :  Get or Set record time
	606	+AT+TR      :  Get or Set record time
611	611
612		-AT+NOUD      : Get or Set the number of data to be uploaded
	608	+AT+NOUD :  Get or Set the number of data to be uploaded
613	613
614	614	AT+CDP     :  Read or Clear cached data
615	615
616		-AT+ DEBUG   : Enable or Disable debug mode
	612	+AT+DEBUG:  Enable or Disable debug mode
617	617
618		-AT+ TTRIG1   : Get or Set PB14 PIN Alarm Base on Timeout
	614	+AT+ALARM1:  Get or Set alarm of distance1
619	619
620		-AT+ TTRIG2   : Get or Set PB15 PIN Alarm Base on Timeout
	616	+AT+ALARM2:  Get or Set alarm of distance2
621	621
622		-AT+COUNTMOD  :  Get or Set the count mode
	618	+AT+GETSENSORVALUE :  Returns the current sensor measurement
623	623
624		-AT+TTRCHANNEL  : Get or Set the number of interrupt channels
	620	+AT+POWERIC :  Get or set the Power IC flag
625	625
626		-AT+TTRALARM : Get or Set TTRIG1 of Alarm interval (unit: minute)
627	627
628		-AT+DISALARM  : Enable/Disable Alarm for door open/close or water leak event
629		-
630		-AT+ CLRC   :  Clear current door open count
631		-
632		-
633	633	(% style="color:blue" %)**COAP Management**
634	634
635		-AT+URI            : Resource parameters
	625	+AT+URI :  Resource parameters
636	636
637	637
638	638	(% style="color:blue" %)**UDP Management**
639	639
640		-AT+CFM          : Upload confirmation mode (only valid for UDP)
	630	+AT+CFM :  Upload confirmation mode (only valid for UDP)
641	641
642	642
643	643	(% style="color:blue" %)**MQTT Management**
644	644
645		-AT+CLIENT               : Get or Set MQTT client
	635	+AT+CLIENT  : Get or Set MQTT client
646	646
647		-AT+UNAME  : Get or Set MQTT Username
	637	+AT+UNAME : Get or Set MQTT Username
648	648
649		-AT+PWD                  : Get or Set MQTT password
	639	+AT+PWD  :  Get or Set MQTT password
650	650
651		-AT+PUBTOPIC  : Get or Set MQTT publish topic
	641	+AT+PUBTOPIC :  Get or Set MQTT publish topic
652	652
653		-AT+SUBTOPIC  : Get or Set MQTT subscription topic
	643	+AT+SUBTOPIC :  Get or Set MQTT subscription topic
654	654
655	655
656	656	(% style="color:blue" %)**Information**
657	657
658		-AT+FDR  : Factory Data Reset
	648	+AT+FDR :  Factory Data Reset
659	659
660		-AT+PWORD  : Serial Access Password
	650	+AT+PWORD :  Serial Access Password
661	661
662	662
663	663	= ​5.  FAQ =
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669	669
670	670	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]]
671	671
672		-(% 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.**
	662	+(% style="color:red" %)**Notice: **(% style="color:blue" %)**NMDS200** (%%)**and (% style="color:blue" %)LMDS200(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
673	673
674	674
675	675	= 6.  Trouble Shooting =
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689	689	= 7. ​ Order Info =
690	690
691	691
692		-Part Number**:** NDS03A
	682	+Part Number:**(% style="color:blue" %) NMDS200**
693	693
694	694
695	695	= 8.  Packing Info =
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697	697
698	698	(% style="color:blue" %)**Package Includes**:
699	699
700		-* NDS03A Open/Close Door Sensor x 1
	690	+* NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
701	701
702	702	= 9.  Support =
703	703