Wiki source code of NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual

Version 81.1 by Xiaoling on 2022/12/07 18:03

version	line-number	content
1.5	1	(% style="text-align:center" %)
71.2	2	[[image:LMDS200_10.jpg]]
1.5	3
48.2	4
	5	Table of Contents：
	6
1.5	7
	8
	9
48.2	10
	11	= 1. Introduction =
	12
71.2	13	== 1.1 What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
48.2	14
	15
52.2	16	(((
74.2	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.
1.5	18
	19
74.2	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.
1.5	21
74.2	22	NMDS200 can (% style="color:blue" %)measure two distances(%%): the closest object and next object behind the closest one.
53.2	23
74.2	24	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.
1.5	25
70.23	26	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.
1.5	27
74.2	28	NMDS200 (% style="color:blue" %)supports different uplink(%%) methods including (% style="color:blue" %)TCP, MQTT, UDP, and CoAP(%%) for different application requirements.
70.23	29
74.2	30	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)
53.3	31
74.2	32	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.
53.3	33	)))
	34
	35
35.1	36
48.2	37	== 1.2 Features ==
	38
	39
2.1	40	* NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
74.2	41	* Short uplink interval for Distance Alarm
2.1	42	* Monitor Battery Level
74.2	43	* Microwave Radar for distance detection
2.1	44	* Datalog feature
34.1	45	* Uplink periodically
2.1	46	* Downlink to change configure
	47	* Wall Mountable
	48	* Outdoor Use
	49	* Ultra-Low Power consumption
	50	* AT Commands to change parameters
	51	* Micro SIM card slot for NB-IoT SIM
34.1	52	* 8500mAh Battery for long-term use
1.5	53
74.3	54
74.2	55	== 1.3 Radar probe specification ==
70.2	56
1.5	57
74.3	58	* Measuring Method: FMCW
	59	* Frequency: 24.000 24.500 GHz
	60	* Measurement output power: 6dBm
	61	* Measure range: 0.5 20m
	62	* Accuracy: ±0.1m
	63	* Resolution: 0.01m
	64	* Horizontal Angel: 78°
	65	* Vertical Angel: 23°
1.5	66
	67
	68
74.2	69	== 1.4 Storage Temperature ==
1.5	70
	71
74.2	72	-40°C to +85°C
52.2	73
1.5	74
38.1	75
31.1	76
58.2	77
48.2	78	== 1.5 Applications ==
	79
	80
1.5	81
74.2	82	* Horizontal distance measurement
	83	* Liquid level measurement
	84	* Parking management system
	85	* Object proximity and presence detection
	86	* Intelligent trash can management system
	87	* Robot obstacle avoidance
	88	* Automatic control
	89	* Sewer
	90	* Bottom water level monitoring
1.5	91
48.2	92
58.2	93	== 1.6 Specification ==
1.5	94
	95
58.2	96	(% style="color:blue" %)Common DC Characteristics:
48.2	97
58.2	98	* Supply Voltage: 2.1v ~~ 3.6v
74.2	99	* Operating Temperature: 0 ~~ 70°C
58.2	100
	101	(% style="color:blue" %)NB-IoT Spec:
	102
70.24	103	* B1 @H-FDD: 2100MHz
	104	* B3 @H-FDD: 1800MHz
	105	* B8 @H-FDD: 900MHz
	106	* B5 @H-FDD: 850MHz
	107	* B20 @H-FDD: 800MHz
	108	* B28 @H-FDD: 700MHz
58.2	109
70.2	110
74.2	111	== 1.7 Installation ==
52.2	112
1.5	113
74.2	114	Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
1.5	115
48.2	116
74.2	117	[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png\|\|height="366" width="672"]]
48.2	118
1.5	119
38.1	120
74.2	121	== 1.8 Pin Definitions and Switch ==
48.2	122
	123
74.2	124	[[image:1670404362039-351.png]]
2.1	125
	126
74.3	127	= 2. Use NMDS200 to communicate with IoT Server =
48.2	128
	129	== 2.1 How it works ==
	130
	131
74.3	132	The NB-IoT network will forward this value to IoT server via the protocol defined by NMDS200.
48.2	133
74.3	134	The diagram below shows the working flow in the default firmware of NMDS200:
2.1	135
31.1	136	[[image:image-20221021110615-5.png]]
2.1	137
	138
76.2	139	== 2.2 Configure NMDS200 ==
2.1	140
48.2	141
76.2	142	To use NMDS200 in your city, make sure to meet below requirements:
48.2	143
40.1	144	* Your local operator has already distributed an NB-IoT Network.
76.2	145	* The local NB-IoT network used the band that NMDS200 supports.
2.1	146	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
	147
76.2	148	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.
2.1	149
76.2	150	[[image:image-20221207173300-4.png]]
40.1	151
2.1	152
76.2	153	=== 2.2.1 Insert NB-IoT SIM card ===
48.2	154
	155
2.1	156	Insert the NB-IoT Card get from your provider.
	157
40.1	158	User needs to take out the NB-IoT module and insert the SIM card like below:
2.1	159
31.1	160	[[image:image-20221021110745-6.png]]
2.1	161
40.1	162
79.2	163	=== 2.2.2 Connect USB – TTL to NMDS200 and configure it ===
2.1	164
	165
79.2	166	User need to configure NMDS200 via serial port to set the (% style="color:red" %)Server Address / Uplink Topic(%%) to define where and how-to uplink packets. NMDS200 support AT Commands, user can use a USB to TTL adapter to connect to NMDS200 and use AT Commands to configure it, as below.
2.1	167
48.2	168	(% style="color:blue" %)Connection:
2.1	169
48.2	170	(% style="background-color:yellow" %) USB TTL GND <~-~-~-~-> GND
2.1	171
48.2	172	(% style="background-color:yellow" %) USB TTL TXD <~-~-~-~-> UART_RXD
	173
	174	(% style="background-color:yellow" %) USB TTL RXD <~-~-~-~-> UART_TXD
	175
	176
2.1	177	In the PC, use below serial tool settings:
	178
48.2	179	* Baud: (% style="color:red" %)9600
2.1	180
48.2	181	* Data bits: (% style="color:red" %)8(%%)
	182
	183	* Stop bits: (% style="color:red" %)1
	184
	185	* Parity: (% style="color:red" %)None
	186
	187	* Flow Control: (% style="color:red" %)None
	188
79.2	189	Make sure the switch is in FLASH position, then power on NMDS200 by connecting the (% style="color:orange" %)Yellow Jumper(%%).
2.1	190
31.1	191	[[image:image-20221021110817-7.png]]
2.1	192
79.2	193	NMDS200 will output system info once powered on as below, we can enter the password: 12345678 to access AT Command input.
40.1	194
	195
48.2	196	(% 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]]
2.1	197
42.1	198
2.1	199
79.2	200	=== 2.2.3 Use CoAP protocol to uplink data ===
2.1	201
	202
48.2	203	(% 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/]]
42.1	204
2.1	205
67.3	206	(% style="color:blue" %)Use below commands in NDS03A:
48.2	207
48.3	208	* (% style="color:#037691" %)AT+PRO=1 (%%) ~/~/ Set to use CoAP protocol to uplink
48.2	209
48.3	210	* (% style="color:#037691" %)AT+SERVADDR=120.24.4.116,5683 (%%) ~/~/ Set CoAP server address and port
48.2	211
48.3	212	* (% style="color:#037691" %)AT+URI=0,0,11,2,"mqtt" (%%) ~/~/ Set CoAP resource path
48.2	213
2.1	214	For parameter description, please refer to AT command set
	215
31.1	216	[[image:image-20221021110948-8.png]]
2.1	217
	218
79.2	219	After configuring the server address and (% style="color:green" %)reset NMDS200(%%) (via AT+ATZ ), NMDS200 will start to uplink sensor values to the CoAP server.
42.1	220
79.2	221	[[image:1670405841875-916.png]]
2.1	222
42.1	223
79.2	224	=== 2.2.4 Use UDP protocol to uplink data(Default protocol) ===
2.1	225
42.1	226
48.2	227	(% style="color:blue" %)AT Commands:
2.1	228
48.3	229	* (% style="color:#037691" %)AT+PRO=2 (%%) ~/~/ Set to use UDP protocol to uplink
48.2	230
48.3	231	* (% style="color:#037691" %)AT+SERVADDR=120.24.4.116,5601 (%%) ~/~/ Set UDP server address and port
48.2	232
48.3	233	* (% style="color:#037691" %)AT+CFM=1 (%%) ~/~/ If the server does not respond, this command is unnecessary
48.2	234
32.1	235	[[image:image-20221021111025-10.png]]
2.1	236
48.3	237
31.1	238	[[image:image-20221021111033-11.png\|\|height="241" width="576"]]
2.1	239
	240
	241
79.2	242	=== 2.2.5 Use MQTT protocol to uplink data ===
2.1	243
42.1	244
48.2	245	(% style="color:blue" %)AT Commands:
2.1	246
48.3	247	* (% style="color:#037691" %)AT+PRO=3 (%%) ~/~/ Set to use MQTT protocol to uplink
48.2	248
48.3	249	* (% style="color:#037691" %)AT+SERVADDR=120.24.4.116,1883 (%%) ~/~/ Set MQTT server address and port
48.2	250
48.3	251	* (% style="color:#037691" %)AT+CLIENT=CLIENT (%%) ~/~/ Set up the CLIENT of MQTT
48.2	252
48.3	253	* (% style="color:#037691" %)AT+UNAME=UNAME (%%) ~/~/ Set the username of MQTT
48.2	254
48.3	255	* (% style="color:#037691" %)AT+PWD=PWD (%%) ~/~/ Set the password of MQTT
48.2	256
48.3	257	* (% style="color:#037691" %)AT+PUBTOPIC=NSE01_PUB (%%) ~/~/ Set the sending topic of MQTT
48.2	258
48.3	259	* (% style="color:#037691" %)AT+SUBTOPIC=NSE01_SUB (%%) ~/~/ Set the subscription topic of MQTT
48.2	260
70.2	261	[[image:image-20221118103445-7.png]]
2.1	262
48.3	263
79.2	264	[[image:1670405928926-116.png]]
2.1	265
	266
	267
42.1	268	MQTT protocol has a much higher power consumption compare with UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
2.1	269
42.1	270
79.2	271	=== 2.2.6 Use TCP protocol to uplink data ===
2.1	272
	273
48.3	274	(% style="color:blue" %)AT Commands:
2.1	275
48.3	276	* (% style="color:#037691" %)AT+PRO=4 (%%) ~/~/ Set to use TCP protocol to uplink
48.2	277
48.3	278	* (% style="color:#037691" %)AT+SERVADDR=120.24.4.116,5600 (%%) ~/~/ Set TCP server address and port
48.2	279
79.2	280	[[image:1670406036256-101.png\|\|height="676" width="713"]]
2.1	281
79.2	282
31.1	283	[[image:image-20221021111131-15.png]]
2.1	284
	285
	286
79.2	287	=== 2.2.7 Change Update Interval ===
2.1	288
	289
48.2	290	User can use below command to change the (% style="color:blue" %)uplink interval.
2.1	291
79.2	292	* (% style="color:#037691" %)AT+TDC=7200 (%%) ~/~/ Set Update Interval to 7200s (4 hours)
2.1	293
48.2	294	(% style="color:red" %)NOTE:
2.1	295
59.3	296	1. By default, the device will send an uplink message every 4 hour.
42.1	297
48.3	298
48.2	299	== 2.3 Uplink Payload ==
2.1	300
48.2	301
80.2	302	The uplink payload includes 23 bytes in total by default.
2.1	303
61.3	304	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.
2.1	305
	306
70.8	307	(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
80.2	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
2.1	310
70.9	311	(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
80.2	312	\|(% style="width:50px" %)4\|(% style="width:90px" %)2\|(% style="width:90px" %)2\|(% style="width:60px" %)4\|(% style="width:50px" %)(((
61.3	313	1-32 group
	314	)))
80.2	315	\|(% style="width:98px" %)[[Time stamp>>\|\|anchor="H2.4.7A0Timestamp"]]\| Distance 1 \| Distance 2\|(% style="width:67px" %)Time stamp\|(% style="width:74px" %)...
48.3	316
80.2	317	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
61.3	318
80.2	319	[[image:1670406261143-723.png]]
61.3	320
	321
80.2	322	The payload is ASCII string, representative same HEX: f867787050471071 0064 0cc3 09 01 00 00ef 013d 6390453d
61.3	323
80.2	324	0x (% style="color:red" %)__f867787050471071__ (% style="color:blue" %)__0064__ (% style="color:green" %) __0cc3__(% style="color:#00b0f0" %) 0__9__(% style="color:#7030a0" %) __01__(% style="color:#0020b0" %) __00__ (% style="color:#420042" %)__00ef__(% style="color:#660066" %) (% style="color:#663300" %)__013d__ (% style="color:#d60093" %)__6390453d__(%%)
61.3	325
48.2	326	where:
2.1	327
80.2	328	* (% style="color:#037691" %)Device ID:(%%) 0x f867787050471071 = f867787050471071
2.1	329
70.2	330	* (% style="color:#037691" %)Version:(%%) 0x0064=100=1.0.0
33.1	331
80.2	332	* (% style="color:#037691" %)BAT :(%%) 0x0cc3 = 3267 mV = 3.267V
33.1	333
80.2	334	* (% style="color:#037691" %)Singal: (%%)0x09 = 9
33.1	335
70.2	336	* (% style="color:#037691" %)Mod:(%%) 0x01 = 1
33.1	337
80.2	338	* (% style="color:#037691" %)Exit flag: (%%)0x00 =0
33.1	339
80.2	340	* (% style="color:#037691" %)Distance 1: (%%)0x00ef=239
33.1	341
80.2	342	* (% style="color:#037691" %)Distance 2: (%%)0x013d =317
33.1	343
80.2	344	* (% style="color:#037691" %)Timestamp: (%%)0x6390453d =1670399293 (Unix Time)
33.1	345
	346
80.2	347
48.2	348	== 2.4 Payload Explanation and Sensor Interface ==
	349
	350	=== 2.4.1 Device ID ===
	351
	352
42.1	353	By default, the Device ID is equal to the last 15 bits of IMEI.
2.1	354
48.2	355	User can use (% style="color:blue" %)AT+DEUI (%%)to set Device ID
2.1	356
	357	Example:
	358
	359	AT+DEUI=868411056754138
	360
42.1	361	The Device ID is stored in a non-erase area, Upgrade the firmware or run AT+FDR won't erase the Device ID.
2.1	362
42.1	363
48.2	364	=== 2.4.2 Version Info ===
	365
	366
42.1	367	Specify the software version: 0x64=100, which means firmware version 1.00.
2.1	368
61.5	369	For example 0x00 64 : This device is NDS03A 1 with firmware version 1.0.0.
2.1	370
42.1	371
48.2	372	=== 2.4.3 Battery Info ===
	373
	374
61.5	375	Check the battery voltage for NDS03A.
2.1	376
	377	Ex1: 0x0B45 = 2885mV
	378
	379	Ex2: 0x0B49 = 2889mV
	380
42.1	381
48.2	382	=== 2.4.4 Signal Strength ===
	383
	384
2.1	385	NB-IoT Network signal Strength.
	386
	387	Ex1: 0x1d = 29
	388
	389	0 -113dBm or less
	390
	391	1 -111dBm
	392
	393	2...30 -109dBm... -53dBm
	394
	395	31 -51dBm or greater
	396
	397	99 Not known or not detectable
	398
42.1	399
61.5	400	=== 2.4.5 Disalarm: (default: 0) ===
48.2	401
	402
61.5	403	(% style="color:blue" %)If Disalarm = 1(%%), NDS03A will only send uplink at every TDC periodically. This is normally use for pulse meter application, in this application, there are many open/close event, and platform only care about the total number of pulse.
2.1	404
61.5	405	(% style="color:blue" %)If Disalarm = 0(%%), NDS03A will send uplink at every TDC periodically and send data on each open/close event. This is useful for the application user need to monitor the open/close event in real-time.
2.1	406
61.5	407	(% style="color:red" %)Note:(%%) When Disalarm=0, a high frequently open/close event will cause lots of uplink and drain battery very fast.
2.1	408
	409
61.6	410	=== 2.4.6 Keep Status & Keep Time ===
42.1	411
48.2	412
61.6	413	Shows the configure value of Alarm Base on Timeout Feature
48.2	414
2.1	415
61.6	416	=== 2.4.7 Timestamp ===
42.1	417
2.1	418
61.6	419	Timestamp : 0x6315537b =1662342011
48.2	420
	421
61.6	422	=== 2.4.8 Switch Dual Channel Mode ===
2.1	423
42.1	424
61.6	425	NDS03A can connect two door sensors. Another door sensor can be connected to PB15 pin. Both channels support alarm function.
2.1	426
48.2	427
	428	== 2.5 Downlink Payload ==
	429
	430
61.7	431	By default, NDS03A prints the downlink payload to console port.
2.1	432
31.1	433	[[image:image-20221021111414-18.png]]
2.1	434
48.2	435
2.1	436	Examples:
	437
48.2	438	* (% style="color:#037691" %)Set TDC
2.1	439
	440	If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
	441
	442	Payload: 01 00 00 1E TDC=30S
	443
	444	Payload: 01 00 00 3C TDC=60S
	445
48.2	446	* (% style="color:#037691" %)Reset
2.1	447
65.2	448	If payload = 0x04FF, it will reset the NDS03A
2.1	449
48.2	450	* (% style="color:#037691" %)INTMOD
2.1	451
	452	Downlink Payload: 06000003, Set AT+INTMOD=3
	453
	454
48.2	455	== 2.6 LED Indicator ==
	456
	457
65.2	458	The NDS03A has an internal LED which is to show the status of different states.
2.1	459
45.1	460	* When the device starts normally, the LED will light up for 1 second.
67.3	461	* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
2.1	462	* For each uplink probe, LED will be on for 500ms.
	463
48.2	464	== 2.7 Alarm Base on Timeout ==
2.1	465
48.2	466
65.2	467	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:
2.1	468
	469
48.2	470	(% style="color:blue" %)1. Keep Status: Status to be monitor
2.1	471
	472	Keep Status = 1: Monitor Close to Open event
	473
	474	Keep Status = 0: Monitor Open to Close event
	475
	476
48.2	477	(% style="color:blue" %)2. Keep Time: Timeout to send an Alarm
2.1	478
	479	Range 0 ~~ 65535(0xFFFF) seconds.
	480
	481	If keep time = 0, Disable Alarm Base on Timeout feature.
	482
65.2	483	If keep time > 0, device will monitor the keep status event and send an alarm when status doesn't change after timeout.
2.1	484
	485
48.2	486	(% style="color:blue" %)AT Command to configure:
2.1	487
65.2	488	(% style="color:blue" %)PB14 PIN:
	489
67.3	490	(% 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.
2.1	491
48.2	492	(% style="color:#037691" %)AT+TTRIG=0,0 (%%) ~-~-> Default Value, disable timeout Alarm.
2.1	493
42.1	494
65.2	495	(% style="color:blue" %)PB15 PIN:
2.1	496
65.2	497	(% style="color:#037691" %)AT+TTRIG2=1,30
	498
	499	(% style="color:#037691" %)AT+TTRIG2=0,0
	500
	501
48.2	502	== 2.8 Set debug mode ==
	503
	504
2.1	505	Feature: Enable or Disable debug mode
	506
48.2	507	(% style="color:blue" %)AT Command: AT+DEBUG
2.1	508
31.1	509	[[image:image-20221021111629-21.png]]
2.1	510
	511
48.2	512
	513	== 2.9 Clear Flash Record ==
	514
	515
2.1	516	Feature: Clear flash storage for data log feature.
	517
48.2	518	(% style="color:blue" %)AT Command: AT+CLRDTA
2.1	519
31.1	520	[[image:image-20221021111527-19.png]]
2.1	521
	522
65.2	523	== 2.10 Count Mod ==
48.2	524
	525
65.2	526	(% style="color:blue" %)AT Command: AT+COUNTMOD
48.2	527
65.2	528	[[image:image-20221118092935-1.png]]
2.1	529
	530
65.2	531	== 2.11 Interrupt Pin Channel Mod ==
48.2	532
	533
65.2	534	(% style="color:blue" %)AT Command: AT+TTRCHANNEL
48.2	535
65.2	536	[[image:image-20221118093144-2.png]]
2.1	537
	538
65.2	539	== 2.12 TTRIG1/2 timeout status alarm ==
2.1	540
48.2	541
65.2	542	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.
48.2	543
65.2	544	(% style="color:blue" %)AT Command: AT+TTRALARM
48.2	545
65.2	546	[[image:image-20221118093512-3.png]]
2.1	547
	548
65.2	549	== 2.13 Select counting mode ==
2.1	550
	551
65.2	552	(% style="color:blue" %)AT Command: AT+TTRMODx=a,b
2.1	553
65.2	554	When (% style="color:red" %)a=0(%%), the door is opened to count, and when (% style="color:red" %)a=1(%%),the closed door is counted.
2.1	555
65.2	556	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.
2.1	557
65.2	558	[[image:image-20221118093658-4.png]]
2.1	559
	560
66.2	561	== 2.14 Set the number of data to be uploaded and the recording time ==
48.2	562
	563
	564	(% style="color:blue" %)AT Command:
	565
66.2	566	(% 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)
	567
	568	(% 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.
	569
	570
	571	== 2.15 Read or Clear cached data ==
	572
	573
	574	(% style="color:blue" %)AT Command:
	575
48.2	576	(% style="color:#037691" %)AT+CDP (%%) ~/~/ Read cached data
	577
	578	(% style="color:#037691" %)AT+CDP=0 (%%) ~/~/ Clear cached data
	579
66.2	580	[[image:image-20221118094227-5.png]]
2.1	581
	582
66.2	583	== 2.16 Firmware Change Log ==
2.1	584
48.2	585
70.2	586	Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]]
2.1	587
48.12	588	Upgrade Instruction: [[Upgrade Firmware>>\|\|anchor="H5.1200BHowtoUpgradeFirmware"]]
2.1	589
	590
67.2	591	== 2.17 Battery Analysis ==
48.2	592
67.2	593	=== 2.17.1 Battery Type ===
48.2	594
	595
67.2	596	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.
2.1	597
42.1	598	The battery is designed to last for several years depends on the actual use environment and update interval.
2.1	599
42.1	600	The battery-related documents as below:
2.1	601
	602	* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
48.2	603
2.1	604	* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
48.2	605
2.1	606	* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	607
31.1	608	[[image:image-20221021111911-26.png]]
2.1	609
	610
67.2	611	=== 2.17.2 Power consumption Analyze ===
48.2	612
	613
2.1	614	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.
	615
	616	Instruction to use as below:
	617
48.2	618	(% 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/]]
2.1	619
48.2	620	(% style="color:blue" %)Step 2: (%%) Open it and choose
2.1	621
	622	* Product Model
48.2	623
2.1	624	* Uplink Interval
48.2	625
2.1	626	* Working Mode
	627
	628	And the Life expectation in difference case will be shown on the right.
	629
48.2	630	[[image:1666596205057-567.png]]
2.1	631
	632
67.2	633	=== 2.17.3 Battery Note ===
48.2	634
	635
2.1	636	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.
	637
	638
67.2	639	=== 2.17.4 Replace the battery ===
48.2	640
	641
67.3	642	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).
2.1	643
42.1	644
48.2	645	= 3. Access NB-IoT Module =
	646
	647
2.1	648	Users can directly access the AT command set of the NB-IoT module.
	649
	650	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/]]
	651
70.22	652
67.2	653	[[image:image-20221118094449-6.png]]
2.1	654
	655
48.2	656	= 4. Using the AT Commands =
	657
	658	== 4.1 Access AT Commands ==
	659
	660
2.1	661	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]]
	662
	663	AT+<CMD>? : Help on <CMD>
	664
	665	AT+<CMD> : Run <CMD>
	666
	667	AT+<CMD>=<value> : Set the value
	668
	669	AT+<CMD>=? : Get the value
	670
	671
48.2	672	(% style="color:blue" %)General Commands
	673
2.1	674	AT : Attention
	675
	676	AT? : Short Help
	677
	678	ATZ : MCU Reset
	679
	680	AT+TDC : Application Data Transmission Interval
	681
	682	AT+CFG : Print all configurations
	683
	684	AT+CFGMOD : Working mode selection
	685
	686	AT+INTMOD : Set the trigger interrupt mode
	687
	688	AT+5VT : Set extend the time of 5V power
	689
	690	AT+PRO : Choose agreement
	691
	692	AT+RXDL : Extend the sending and receiving time
	693
	694	AT+SERVADDR : Server Address
	695
48.2	696	AT+TR : Get or Set record time
2.1	697
	698	AT+NOUD : Get or Set the number of data to be uploaded
	699
48.2	700	AT+CDP : Read or Clear cached data
2.1	701
	702	AT+ DEBUG : Enable or Disable debug mode
	703
67.2	704	AT+ TTRIG1 : Get or Set PB14 PIN Alarm Base on Timeout
2.1	705
67.2	706	AT+ TTRIG2 : Get or Set PB15 PIN Alarm Base on Timeout
2.1	707
67.2	708	AT+COUNTMOD : Get or Set the count mode
2.1	709
67.2	710	AT+TTRCHANNEL : Get or Set the number of interrupt channels
2.1	711
67.2	712	AT+TTRALARM : Get or Set TTRIG1 of Alarm interval (unit: minute)
2.1	713
67.2	714	AT+DISALARM : Enable/Disable Alarm for door open/close or water leak event
	715
	716	AT+ CLRC : Clear current door open count
	717
	718
48.2	719	(% style="color:blue" %)COAP Management
	720
2.1	721	AT+URI : Resource parameters
	722
	723
48.2	724	(% style="color:blue" %)UDP Management
	725
2.1	726	AT+CFM : Upload confirmation mode (only valid for UDP)
	727
	728
48.2	729	(% style="color:blue" %)MQTT Management
	730
2.1	731	AT+CLIENT : Get or Set MQTT client
	732
	733	AT+UNAME : Get or Set MQTT Username
	734
	735	AT+PWD : Get or Set MQTT password
	736
	737	AT+PUBTOPIC : Get or Set MQTT publish topic
	738
	739	AT+SUBTOPIC : Get or Set MQTT subscription topic
	740
	741
48.2	742	(% style="color:blue" %)Information
	743
2.1	744	AT+FDR : Factory Data Reset
	745
	746	AT+PWORD : Serial Access Password
	747
	748
48.2	749	= 5. FAQ =
2.1	750
48.2	751	== 5.1 How to Upgrade Firmware ==
2.1	752
	753
48.2	754	User can upgrade the firmware for 1) bug fix, 2) new feature release.
2.1	755
48.2	756	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]]
2.1	757
67.2	758	(% 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.
2.1	759
42.1	760
48.2	761	= 6. Trouble Shooting =
2.1	762
48.2	763	== 6.1 Connection problem when uploading firmware ==
2.1	764
	765
48.2	766	(% style="color:blue" %)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]]
42.1	767
2.1	768
48.2	769	== 6.2 AT Command input doesn't work ==
2.1	770
	771
48.2	772	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.
2.1	773
	774
48.2	775	= 7. Order Info =
2.1	776
	777
67.2	778	Part Number: NDS03A
2.1	779
	780
48.2	781	= 8. Packing Info =
2.1	782
	783
48.2	784	(% style="color:blue" %)Package Includes:
2.1	785
67.2	786	* NDS03A Open/Close Door Sensor x 1
2.1	787
48.2	788	= 9. Support =
2.1	789
	790
48.2	791	* 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.
2.1	792
48.2	793	* 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]]
2.1	794
48.2	795

Wiki source code of NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual

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