Wiki source code of N95S31B NB-IoT Temperature & Humidity Sensor User Manual

Version 99.1 by Xiaoling on 2022/07/09 14:31

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74.2	1	(% style="text-align:center" %)
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1.1	3
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35.25	6
	7
35.4	8	Table of Contents:
1.1	9
95.4	10	{{toc/}}
1.1	11
	12
	13
	14
31.17	15
65.3	16
44.2	17	= 1. Introduction =
1.1	18
67.2	19	== 1.1 What is NDDS75 Distance Detection Sensor ==
1.1	20
12.2	21	(((
35.4	22
	23
65.9	24	(((
97.14	25	(((
68.2	26	The Dragino NDDS75 is a (% style="color:blue" %)NB-IoT Distance Detection Sensor(%%) for Internet of Things solution. It is designed to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses ultrasonic sensing technology for distance measurement, and temperature compensation is performed internally to improve the reliability of data.
97.14	27	)))
97.13	28
97.14	29	(((
97.13	30	The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server via NB-IoT Network.
97.14	31	)))
97.13	32
97.14	33	(((
97.13	34	NarrowBand-Internet of Things (NB-IoT) is a 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.
97.14	35	)))
97.13	36
97.14	37	(((
97.13	38	NDDS75 supports different uplink methods include (% style="color:blue" %)TCP, MQTT, UDP and CoAP (%%)for different application requirement.
97.14	39	)))
97.13	40
97.14	41	(((
97.13	42	NDDS75 is powered by (% style="color:blue" %)8500mAh Li-SOCI2 battery(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
97.14	43	)))
97.13	44
97.14	45	(((
97.13	46	To use NDDS75, user needs to check if there is NB-IoT coverage in local area and with the bands NDDS75 supports. If the local operate support it, user needs to get a NB-IoT SIM card from local operator and install NDDS75 to get NB-IoT network connection.
65.9	47	)))
97.14	48	)))
4.2	49
42.2	50
12.2	51	)))
4.2	52
75.2	53	[[image:1657327959271-447.png]]
4.2	54
	55
	56
65.3	57	== 1.2 Features ==
13.3	58
44.2	59	* NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
75.3	60	* Ultra low power consumption
	61	* Distance Detection by Ultrasonic technology
	62	* Flat object range 280mm - 7500mm
	63	* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	64	* Cable Length: 25cm
4.2	65	* AT Commands to change parameters
	66	* Uplink on periodically
	67	* Downlink to change configure
	68	* IP66 Waterproof Enclosure
44.2	69	* Micro SIM card slot for NB-IoT SIM
	70	* 8500mAh Battery for long term use
4.2	71
97.19	72
	73
44.2	74	== 1.3 Specification ==
	75
	76
	77	(% style="color:#037691" %)Common DC Characteristics:
	78
	79	* Supply Voltage: 2.1v ~~ 3.6v
	80	* Operating Temperature: -40 ~~ 85°C
	81
	82	(% style="color:#037691" %)NB-IoT Spec:
	83
	84	* - B1 @H-FDD: 2100MHz
	85	* - B3 @H-FDD: 1800MHz
	86	* - B8 @H-FDD: 900MHz
	87	* - B5 @H-FDD: 850MHz
	88	* - B20 @H-FDD: 800MHz
	89	* - B28 @H-FDD: 700MHz
	90
75.3	91	(% style="color:#037691" %)Battery:
4.2	92
75.3	93	* Li/SOCI2 un-chargeable battery
	94	* Capacity: 8500mAh
	95	* Self Discharge: <1% / Year @ 25°C
	96	* Max continuously current: 130mA
	97	* Max boost current: 2A, 1 second
14.2	98
75.3	99	(% style="color:#037691" %)Power Consumption
4.2	100
75.3	101	* STOP Mode: 10uA @ 3.3v
97.7	102	* Max transmit power: 350mA@3.3v
75.3	103
97.19	104
	105
44.2	106	== 1.4 Applications ==
4.2	107
75.4	108	* Smart Buildings & Home Automation
	109	* Logistics and Supply Chain Management
	110	* Smart Metering
4.2	111	* Smart Agriculture
75.4	112	* Smart Cities
	113	* Smart Factory
4.2	114
15.6	115	(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %)
	116
4.2	117
75.4	118
44.2	119	== 1.5 Pin Definitions ==
15.6	120
	121
76.2	122	[[image:1657328609906-564.png]]
4.2	123
14.3	124
	125
81.2	126	= 2. Use NDDS75 to communicate with IoT Server =
14.3	127
45.2	128	== 2.1 How it works ==
14.3	129
15.3	130	(((
77.2	131	The NDDS75 is equipped with a NB-IoT module, the pre-loaded firmware in NDDS75 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by NDDS75.
15.3	132	)))
4.2	133
45.2	134
15.3	135	(((
77.2	136	The diagram below shows the working flow in default firmware of NDDS75:
15.3	137	)))
4.2	138
77.2	139	(((
	140
	141	)))
4.2	142
77.2	143	[[image:1657328659945-416.png]]
	144
45.2	145	(((
	146
	147	)))
4.2	148
45.2	149
81.2	150	== 2.2 Configure the NDDS75 ==
4.2	151
48.2	152
45.4	153	=== 2.2.1 Test Requirement ===
4.2	154
65.10	155	(((
81.2	156	To use NDDS75 in your city, make sure meet below requirements:
65.10	157	)))
4.2	158
45.4	159	* Your local operator has already distributed a NB-IoT Network there.
	160	* The local NB-IoT network used the band that NSE01 supports.
	161	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
4.2	162
48.2	163	(((
81.2	164	Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server
48.2	165	)))
4.2	166
	167
81.2	168	[[image:1657328756309-230.png]]
4.2	169
	170
	171
45.5	172	=== 2.2.2 Insert SIM card ===
4.2	173
65.11	174	(((
45.4	175	Insert the NB-IoT Card get from your provider.
65.11	176	)))
4.2	177
65.11	178	(((
45.4	179	User need to take out the NB-IoT module and insert the SIM card like below:
65.11	180	)))
4.2	181
	182
81.2	183	[[image:1657328884227-504.png]]
4.2	184
	185
48.2	186
81.2	187	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
4.2	188
48.2	189	(((
	190	(((
81.2	191	User need to configure NDDS75 via serial port to set the (% style="color:blue" %)Server Address / Uplink Topic (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect to NDDS75 and use AT Commands to configure it, as below.
48.2	192	)))
	193	)))
19.2	194
81.2	195	[[image:image-20220709092052-2.png]]
4.2	196
48.2	197	Connection:
4.2	198
45.6	199	(% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
4.2	200
45.6	201	(% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
4.2	202
45.6	203	(% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
4.2	204
	205
45.4	206	In the PC, use below serial tool settings:
	207
57.4	208	* Baud: (% style="color:green" %)9600
48.2	209	* Data bits: (% style="color:green" %)8(%%)
	210	* Stop bits: (% style="color:green" %)1
57.4	211	* Parity: (% style="color:green" %)None
48.2	212	* Flow Control: (% style="color:green" %)None
45.4	213
48.2	214	(((
81.2	215	Make sure the switch is in FLASH position, then power on device by connecting the jumper on NDDS75. NDDS75 will output system info once power on as below, we can enter the (% style="color:green" %)password: 12345678(%%) to access AT Command input.
48.2	216	)))
45.4	217
81.2	218	[[image:1657329814315-101.png]]
45.4	219
65.12	220	(((
81.2	221	(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]
65.12	222	)))
45.4	223
	224
	225
48.2	226	=== 2.2.4 Use CoAP protocol to uplink data ===
45.4	227
56.2	228	(% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
45.4	229
	230
97.9	231	(((
50.2	232	Use below commands:
97.9	233	)))
45.4	234
97.9	235	* (((
	236	(% style="color:blue" %)AT+PRO=1 (%%) ~/~/ Set to use CoAP protocol to uplink
	237	)))
	238	* (((
	239	(% style="color:blue" %)AT+SERVADDR=120.24.4.116,5683 (%%)~/~/ to set CoAP server address and port
	240	)))
	241	* (((
	242	(% style="color:blue" %)AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" (%%) ~/~/Set COAP resource path
	243	)))
45.4	244
97.9	245	(((
45.4	246	For parameter description, please refer to AT command set
97.9	247	)))
45.4	248
86.2	249	[[image:1657330452568-615.png]]
45.4	250
	251
97.10	252	(((
86.2	253	After configure the server address and (% style="color:green" %)reset the device(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
97.10	254	)))
45.4	255
86.2	256	[[image:1657330472797-498.png]]
45.4	257
	258
50.2	259
45.6	260	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
45.4	261
	262
97.5	263	* (% style="color:blue" %)AT+PRO=2 (%%) ~/~/ Set to use UDP protocol to uplink
48.2	264	* (% style="color:blue" %)AT+SERVADDR=120.24.4.116,5601 (%%) ~/~/ to set UDP server address and port
97.5	265	* (% style="color:blue" %)AT+CFM=1 (%%) ~/~/ If the server does not respond, this command is unnecessary
45.4	266
86.2	267	[[image:1657330501006-241.png]]
45.4	268
	269
86.2	270	[[image:1657330533775-472.png]]
45.4	271
52.3	272
86.2	273
45.7	274	=== 2.2.6 Use MQTT protocol to uplink data ===
45.4	275
	276
97.11	277	* (% style="color:blue" %)AT+PRO=3 (%%) ~/~/Set to use MQTT protocol to uplink
	278	* (% style="color:blue" %)AT+SERVADDR=120.24.4.116,1883 (%%) ~/~/Set MQTT server address and port
	279	* (% style="color:blue" %)AT+CLIENT=CLIENT (%%)~/~/Set up the CLIENT of MQTT
97.13	280	* (% style="color:blue" %)AT+UNAME=UNAME (%%)~/~/Set the username of MQTT
	281	* (% style="color:blue" %)AT+PWD=PWD (%%)~/~/Set the password of MQTT
89.2	282	* (% style="color:blue" %)AT+PUBTOPIC=NDDS75_PUB (%%)~/~/Set the sending topic of MQTT
	283	* (% style="color:blue" %)AT+SUBTOPIC=NDDS75_SUB (%%) ~/~/Set the subscription topic of MQTT
45.4	284
54.2	285	[[image:1657249978444-674.png]]
45.4	286
54.2	287
89.2	288	[[image:1657330723006-866.png]]
54.2	289
45.4	290
54.3	291	(((
45.4	292	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.
54.3	293	)))
45.4	294
	295
54.3	296
45.7	297	=== 2.2.7 Use TCP protocol to uplink data ===
45.4	298
	299
56.2	300	* (% style="color:blue" %)AT+PRO=4 (%%) ~/~/ Set to use TCP protocol to uplink
48.2	301	* (% style="color:blue" %)AT+SERVADDR=120.24.4.116,5600 (%%) ~/~/ to set TCP server address and port
45.4	302
89.2	303	[[image:image-20220709093918-1.png]]
45.4	304
	305
89.2	306	[[image:image-20220709093918-2.png]]
45.4	307
57.6	308
89.2	309
45.7	310	=== 2.2.8 Change Update Interval ===
45.4	311
48.2	312	User can use below command to change the (% style="color:green" %)uplink interval.
45.4	313
56.3	314	* (% style="color:blue" %)AT+TDC=600 (%%)~/~/ Set Update Interval to 600s
45.4	315
56.3	316	(((
48.2	317	(% style="color:red" %)NOTE:
56.3	318	)))
45.4	319
56.3	320	(((
45.7	321	(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
56.3	322	)))
45.4	323
	324
	325
57.2	326	== 2.3 Uplink Payload ==
4.2	327
90.2	328	In this mode, uplink payload includes in total 14 bytes
32.9	329
90.2	330
97.16	331	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
97.12	332	\|=(% style="width: 60px;" %)(((
57.2	333	Size(bytes)
97.15	334	)))\|=(% style="width: 60px;" %)6\|=(% style="width: 35px;" %)2\|=(% style="width: 35px;" %)2\|=(% style="width: 80px;" %)1\|=(% style="width: 100px;" %)2\|=(% style="width: 60px;" %)1
97.2	335	\|(% style="width:97px" %)Value\|(% style="width:83px" %)[[Device ID>>\|\|anchor="H2.4.1A0A0DeviceID"]]\|(% style="width:41px" %)[[Ver>>\|\|anchor="H2.4.2A0VersionInfo"]]\|(% style="width:46px" %)[[BAT>>\|\|anchor="H2.4.3A0BatteryInfo"]]\|(% style="width:123px" %)[[Signal Strength>>\|\|anchor="H2.4.4A0SignalStrength"]]\|(% style="width:120px" %)[[Distance (unit: mm)>>\|\|anchor="H2.4.5A0Distance"]]\|(% style="width:80px" %)[[Interrupt>>\|\|anchor="H2.4.6A0DigitalInterrupt"]]
57.2	336
65.13	337	(((
90.2	338	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
65.13	339	)))
57.2	340
	341
90.2	342	[[image:1657331036973-987.png]]
57.2	343
90.2	344	(((
57.2	345	The payload is ASCII string, representative same HEX:
90.2	346	)))
57.2	347
90.2	348	(((
	349	0x72403155615900640c6c19029200 where:
	350	)))
57.2	351
90.2	352	* (((
	353	Device ID: 0x724031556159 = 724031556159
	354	)))
	355	* (((
	356	Version: 0x0064=100=1.0.0
	357	)))
57.2	358
90.2	359	* (((
	360	BAT: 0x0c6c = 3180 mV = 3.180V
	361	)))
	362	* (((
	363	Signal: 0x19 = 25
	364	)))
	365	* (((
	366	Distance: 0x0292= 658 mm
	367	)))
	368	* (((
	369	Interrupt: 0x00 = 0
95.5	370
	371
	372
	373
90.2	374	)))
57.2	375
57.3	376	== 2.4 Payload Explanation and Sensor Interface ==
4.2	377
57.7	378
57.5	379	=== 2.4.1 Device ID ===
4.2	380
65.13	381	(((
57.3	382	By default, the Device ID equal to the last 6 bytes of IMEI.
65.13	383	)))
4.2	384
65.13	385	(((
57.4	386	User can use (% style="color:blue" %)AT+DEUI(%%) to set Device ID
65.13	387	)))
4.2	388
65.13	389	(((
57.3	390	Example:
65.13	391	)))
4.2	392
65.13	393	(((
57.3	394	AT+DEUI=A84041F15612
65.13	395	)))
4.2	396
65.13	397	(((
91.1	398	The Device ID is stored in a none-erase area, Upgrade the firmware or run AT+FDR won't erase Device ID.
65.13	399	)))
22.2	400
4.2	401
	402
57.5	403	=== 2.4.2 Version Info ===
	404
65.13	405	(((
57.3	406	Specify the software version: 0x64=100, means firmware version 1.00.
65.13	407	)))
4.2	408
65.13	409	(((
91.1	410	For example: 0x00 64 : this device is NDDS75 with firmware version 1.0.0.
65.13	411	)))
4.2	412
	413
57.3	414
57.5	415	=== 2.4.3 Battery Info ===
22.2	416
32.10	417	(((
4.2	418	Ex1: 0x0B45 = 2885mV
32.10	419	)))
4.2	420
32.10	421	(((
4.2	422	Ex2: 0x0B49 = 2889mV
32.10	423	)))
4.2	424
	425
	426
57.6	427	=== 2.4.4 Signal Strength ===
4.2	428
65.13	429	(((
57.6	430	NB-IoT Network signal Strength.
65.13	431	)))
57.6	432
65.13	433	(((
57.6	434	Ex1: 0x1d = 29
65.13	435	)))
57.6	436
65.13	437	(((
57.6	438	(% style="color:blue" %)0(%%) -113dBm or less
65.13	439	)))
57.6	440
65.13	441	(((
57.6	442	(% style="color:blue" %)1(%%) -111dBm
65.13	443	)))
57.6	444
65.13	445	(((
57.6	446	(% style="color:blue" %)2...30(%%) -109dBm... -53dBm
65.13	447	)))
57.6	448
65.13	449	(((
57.6	450	(% style="color:blue" %)31 (%%) -51dBm or greater
65.13	451	)))
57.6	452
65.13	453	(((
57.6	454	(% style="color:blue" %)99 (%%) Not known or not detectable
65.13	455	)))
57.6	456
	457
	458
95.4	459	=== 2.4.5 Distance ===
57.6	460
91.1	461	Get the distance. Flat object range 280mm - 7500mm.
4.2	462
97.17	463	(((
91.1	464	For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is
97.17	465	)))
4.2	466
32.10	467	(((
	468	(((
91.4	469	(% style="color:blue" %) 0B05(H) = 2821(D) = 2821mm.
32.10	470	)))
32.11	471	)))
4.2	472
32.11	473	(((
23.2	474
	475	)))
4.2	476
23.2	477	(((
	478
	479	)))
	480
91.1	481	=== 2.4.6 Digital Interrupt ===
23.2	482
65.15	483	(((
91.1	484	Digital Interrupt refers to pin (% style="color:blue" %)GPIO_EXTI(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server.
65.15	485	)))
4.2	486
65.15	487	(((
57.6	488	The command is:
65.15	489	)))
4.2	490
65.15	491	(((
57.8	492	(% 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]]).
65.15	493	)))
4.2	494
	495
65.15	496	(((
65.6	497	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.
65.15	498	)))
4.2	499
	500
65.15	501	(((
57.6	502	Example:
65.15	503	)))
4.2	504
65.15	505	(((
57.6	506	0x(00): Normal uplink packet.
65.15	507	)))
4.2	508
65.15	509	(((
57.6	510	0x(01): Interrupt Uplink Packet.
65.15	511	)))
23.2	512
4.2	513
	514
91.1	515	=== 2.4.7 +5V Output ===
4.2	516
65.16	517	(((
91.1	518	NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling.
65.16	519	)))
4.2	520
57.6	521
65.16	522	(((
57.6	523	The 5V output time can be controlled by AT Command.
65.16	524	)))
57.6	525
65.16	526	(((
57.7	527	(% style="color:blue" %)AT+5VT=1000
65.16	528	)))
57.6	529
65.16	530	(((
57.6	531	Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
65.16	532	)))
57.6	533
	534
	535
58.2	536	== 2.5 Downlink Payload ==
4.2	537
92.2	538	By default, NDDS75 prints the downlink payload to console port.
4.2	539
92.2	540	[[image:image-20220709100028-1.png]]
4.2	541
	542
32.14	543	(((
40.4	544	(% style="color:blue" %)Examples:
32.14	545	)))
4.2	546
32.14	547	(((
	548
	549	)))
4.2	550
32.14	551	* (((
40.4	552	(% style="color:blue" %)Set TDC
32.14	553	)))
4.2	554
32.14	555	(((
60.2	556	If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
32.14	557	)))
4.2	558
32.14	559	(((
4.2	560	Payload: 01 00 00 1E TDC=30S
32.14	561	)))
4.2	562
32.14	563	(((
4.2	564	Payload: 01 00 00 3C TDC=60S
32.14	565	)))
4.2	566
32.14	567	(((
	568
	569	)))
4.2	570
32.14	571	* (((
40.4	572	(% style="color:blue" %)Reset
32.14	573	)))
4.2	574
32.14	575	(((
92.2	576	If payload = 0x04FF, it will reset the NDDS75
32.14	577	)))
4.2	578
	579
60.2	580	* (% style="color:blue" %)INTMOD
4.2	581
65.17	582	(((
60.2	583	Downlink Payload: 06000003, Set AT+INTMOD=3
65.17	584	)))
4.2	585
	586
26.2	587
60.2	588	== 2.6 LED Indicator ==
26.2	589
4.2	590
92.2	591	The NDDS75 has an internal LED which is to show the status of different state.
4.2	592
92.2	593
	594	* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
60.2	595	* Then the LED will be on for 1 second means device is boot normally.
92.2	596	* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
60.2	597	* For each uplink probe, LED will be on for 500ms.
92.2	598
	599	(((
	600
32.15	601	)))
4.2	602
	603
	604
92.3	605	== 2.7 Firmware Change Log ==
4.2	606
	607
97.18	608	(((
92.3	609	Download URL & Firmware Change log
97.18	610	)))
4.2	611
60.2	612	(((
92.3	613	[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]]
60.2	614	)))
4.2	615
	616
97.18	617	(((
65.6	618	Upgrade Instruction: [[Upgrade_Firmware>>\|\|anchor="H5.1200BHowtoUpgradeFirmware"]]
97.18	619	)))
28.5	620
4.2	621
	622
95.2	623	== 2.8 Battery Analysis ==
4.2	624
95.2	625	=== 2.8.1 Battery Type ===
4.2	626
	627
65.18	628	(((
95.2	629	The NDDS75 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.
65.18	630	)))
4.2	631
65.18	632	(((
62.3	633	The battery is designed to last for several years depends on the actually use environment and update interval.
65.18	634	)))
4.2	635
65.18	636	(((
60.2	637	The battery related documents as below:
65.18	638	)))
4.2	639
60.2	640	* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
65.7	641	* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
60.2	642	* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
4.2	643
29.2	644	(((
95.2	645	[[image:image-20220709101450-2.png]]
29.2	646	)))
4.2	647
	648
35.18	649
95.2	650	=== 2.8.2 Power consumption Analyze ===
4.2	651
62.3	652	(((
60.2	653	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.
62.3	654	)))
4.2	655
	656
62.3	657	(((
60.2	658	Instruction to use as below:
62.3	659	)))
4.2	660
62.3	661	(((
	662	(% 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/]]
	663	)))
4.2	664
	665
62.3	666	(((
	667	(% style="color:blue" %)Step 2: (%%) Open it and choose
	668	)))
4.2	669
62.3	670	* (((
	671	Product Model
	672	)))
	673	* (((
	674	Uplink Interval
	675	)))
	676	* (((
	677	Working Mode
	678	)))
4.2	679
62.3	680	(((
60.2	681	And the Life expectation in difference case will be shown on the right.
62.3	682	)))
4.2	683
96.2	684	[[image:image-20220709110451-3.png]]
4.2	685
	686
62.2	687
95.2	688	=== 2.8.3 Battery Note ===
4.2	689
31.6	690	(((
4.2	691	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.
31.3	692	)))
4.2	693
	694
	695
95.2	696	=== 2.8.4 Replace the battery ===
31.2	697
62.2	698	(((
95.2	699	The default battery pack of NDDS75 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).
62.2	700	)))
4.2	701
	702
	703
63.2	704	= 3. Access NB-IoT Module =
4.2	705
63.2	706	(((
	707	Users can directly access the AT command set of the NB-IoT module.
	708	)))
	709
	710	(((
64.2	711	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/]]
63.2	712	)))
	713
95.2	714	[[image:1657333200519-600.png]]
63.2	715
	716
	717
64.2	718	= 4. Using the AT Commands =
63.2	719
64.2	720	== 4.1 Access AT Commands ==
9.2	721
95.2	722	See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
11.4	723
4.2	724
64.2	725	AT+<CMD>? : Help on <CMD>
4.2	726
64.2	727	AT+<CMD> : Run <CMD>
4.2	728
64.2	729	AT+<CMD>=<value> : Set the value
4.2	730
64.2	731	AT+<CMD>=? : Get the value
4.2	732
	733
11.6	734	(% style="color:#037691" %)General Commands(%%)
4.2	735
64.2	736	AT : Attention
4.2	737
64.2	738	AT? : Short Help
4.2	739
64.2	740	ATZ : MCU Reset
4.2	741
64.2	742	AT+TDC : Application Data Transmission Interval
4.2	743
64.2	744	AT+CFG : Print all configurations
4.2	745
64.2	746	AT+CFGMOD : Working mode selection
4.2	747
64.2	748	AT+INTMOD : Set the trigger interrupt mode
4.2	749
64.2	750	AT+5VT : Set extend the time of 5V power
4.2	751
64.2	752	AT+PRO : Choose agreement
4.2	753
64.2	754	AT+WEIGRE : Get weight or set weight to 0
4.2	755
64.2	756	AT+WEIGAP : Get or Set the GapValue of weight
4.2	757
64.2	758	AT+RXDL : Extend the sending and receiving time
4.2	759
64.2	760	AT+CNTFAC : Get or set counting parameters
4.2	761
64.2	762	AT+SERVADDR : Server Address
4.2	763
	764
64.2	765	(% style="color:#037691" %)COAP Management
4.2	766
64.2	767	AT+URI : Resource parameters
4.2	768
	769
64.2	770	(% style="color:#037691" %)UDP Management
4.2	771
64.2	772	AT+CFM : Upload confirmation mode (only valid for UDP)
4.2	773
	774
64.2	775	(% style="color:#037691" %)MQTT Management
4.2	776
64.2	777	AT+CLIENT : Get or Set MQTT client
4.2	778
64.2	779	AT+UNAME : Get or Set MQTT Username
4.2	780
64.2	781	AT+PWD : Get or Set MQTT password
4.2	782
64.2	783	AT+PUBTOPIC : Get or Set MQTT publish topic
4.2	784
64.2	785	AT+SUBTOPIC : Get or Set MQTT subscription topic
4.2	786
	787
64.2	788	(% style="color:#037691" %)Information
4.2	789
64.2	790	AT+FDR : Factory Data Reset
4.2	791
64.2	792	AT+PWORD : Serial Access Password
4.2	793
	794
	795
64.4	796	= 5. FAQ =
4.2	797
64.4	798	== 5.1 How to Upgrade Firmware ==
6.3	799
4.2	800
31.35	801	(((
64.4	802	User can upgrade the firmware for 1) bug fix, 2) new feature release.
31.35	803	)))
4.2	804
31.35	805	(((
64.4	806	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>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
31.35	807	)))
4.2	808
31.35	809	(((
95.2	810	(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
31.35	811	)))
4.2	812
	813
	814
64.5	815	= 6. Trouble Shooting =
4.2	816
64.5	817	== 6.1 Connection problem when uploading firmware ==
4.9	818
4.2	819
65.20	820	(((
	821	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]]
	822	)))
	823
64.5	824	(% class="wikigeneratedid" %)
31.29	825	(((
65.20	826
31.29	827	)))
4.2	828
	829
64.5	830	== 6.2 AT Command input doesn't work ==
4.2	831
31.30	832	(((
64.5	833	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.
65.22	834
65.23	835
31.30	836	)))
4.2	837
	838
64.5	839	= 7. Order Info =
4.2	840
	841
95.3	842	Part Number: (% style="color:#4f81bd" %)NSDDS75
4.7	843
4.2	844
31.10	845	(% class="wikigeneratedid" %)
	846	(((
	847
	848	)))
	849
65.2	850	= 8. Packing Info =
4.2	851
4.3	852	(((
31.39	853
	854
31.40	855	(% style="color:#037691" %)Package Includes:
64.5	856
95.3	857	* NSE01 NB-IoT Distance Detect Sensor Node x 1
64.5	858	* External antenna x 1
4.3	859	)))
4.2	860
4.3	861	(((
31.40	862
	863
	864	(% style="color:#037691" %)Dimension and weight:
4.2	865
95.3	866
	867	* Device Size: 13.0 x 5 x 4.5 cm
	868	* Device Weight: 150g
	869	* Package Size / pcs : 15 x 12x 5.5 cm
	870	* Weight / pcs : 220g
4.3	871	)))
31.11	872
64.5	873	(((
31.11	874
64.5	875
	876
	877
4.3	878	)))
4.2	879
64.5	880	= 9. Support =
4.2	881
	882	* 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.
	883	* 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]]

Wiki source code of N95S31B NB-IoT Temperature & Humidity Sensor User Manual

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