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22	22	(((
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25		-(((
26	26	The Dragino N95S31B is a (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
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30	30	The temperature & humidity sensor used in N95S31B is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing **(%%)for long term use.
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32	32
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34	34	N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
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38	38	N95S31B is powered by(% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period. Please check related Power Analyze report).
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46	46	~* make sure you have NB-IoT coverage locally.
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50	50	)))
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66	66	* Micro SIM card slot for NB-IoT SIM
67	67	* 8500mAh Battery for long term use
68	68
69		-
70		-
71	71	== 1.3  Specification ==
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73	73
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87	87
88	88	(% style="color:#037691" %)**Battery:**
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	75	+
90	90	* Li/SOCI2 un-chargeable battery
91	91	* Capacity: 8500mAh
92	92	* Self Discharge: <1% / Year @ 25°C
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93	93	* Max continuously current: 130mA
94	94	* Max boost current: 2A, 1 second
95	95
96		-
97		-
98	98	== ​1.4  Applications ==
99	99
100	100	* Smart Buildings & Home Automation
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123	123
124	124	=== 1.5.2 BOOT MODE / SW1 ===
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126		-(((
127	127	1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
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129	129
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131	131	2) Flash: work mode, device starts to work and send out console output for further debug
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146	146	1. When boot the device in flash mode
147	147	1. Send an uplink packet
148	148
149		-
150		-
151	151	= 2.  Use N95S31B to communicate with IoT Server =
152	152
153	153	== 2.1  How it works ==
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185	185	=== 2.2.1 Test Requirement ===
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187	187
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189	189	To use N95S31B in your city, make sure meet below requirements:
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191	191
192		-* (((
193		-Your local operator has already distributed a NB-IoT Network there.
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195		-* (((
196		-The local NB-IoT network used the band that N95S31B supports.
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198		-* (((
199		-Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
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	168	+* Your local operator has already distributed a NB-IoT Network there.
	169	+* The local NB-IoT network used the band that N95S31B supports.
	170	+* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
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203	203	Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
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205	205
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207	207	N95S31B supports different communication protocol such as :
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209	209
210	210	(((
211		-* (((
212		-CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
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214		-* (((
215		-raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
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217		-* (((
218		-MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
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220		-* (((
221		-TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
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	177	+* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
	178	+* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
	179	+* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
	180	+* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
223	223
224		-(((
225	225	We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server.
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393	393	== 2.3  Uplink Payload ==
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395	395
396		-(((
397	397	NBSN95 has different working mode for the connections of different type of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes.
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399	399
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402	402	For example:
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406	406	(% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the NBSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
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411	411	The uplink payloads are composed in  ASCII String. For example:
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415	415	0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
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417	417
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419	419	0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
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421	421
422	422
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424	424	(% style="color:red" %)**NOTE:**
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426	426
427	427	(% style="color:red" %)
428		-1. (((
429		-All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
430		-)))
431		-1. (((
432		-By default, the device will send an uplink message every 1 hour.
433		-)))
	370	+1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
	371	+1. By default, the device will send an uplink message every 1 hour.
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	375	+
437	437	=== 2.3.1  Payload Analyze ===
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439	439	N95S31B uplink payload includes in total 21 bytes
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526	526
527	527	=== 2.3.3  Version Info ===
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530	530	These bytes include the hardware and software version.
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532	532
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534	534	Higher byte: Specify hardware version: always 0x00 for N95S31B
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536	536
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538	538	Lower byte: Specify the software version: 0x6E=110, means firmware version 110
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540	540
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542		-
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544	544
545		-(((
546	546	For example: 0x00 6E: this device is N95S31B with firmware version 110.
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833	833	(((
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837	837	(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
838	838	)))
839		-)))
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