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41	41
42	42	== 1.2 ​ Features ==
43	43
	44	+
44	44	* NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
45		-* Ultra low power consumption
46		-* Distance Detection by Ultrasonic technology
47		-* Flat object range 280mm - 7500mm
48		-* Accuracy: ±(1cm+S*0.3%) (S: Distance)
49		-* Cable Length: 25cm
	46	+* Monitor Temperature & Humidity via SHT31
50	50	* AT Commands to change parameters
51	51	* Uplink on periodically
52	52	* Downlink to change configure
53	53	* IP66 Waterproof Enclosure
	51	+* Ultra-Low Power consumption
	52	+* AT Commands to change parameters
54	54	* Micro SIM card slot for NB-IoT SIM
55	55	* 8500mAh Battery for long term use
56	56
	56	+
	57	+
57	57	== 1.3  Specification ==
58	58
59	59
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73	73
74	74	(% style="color:#037691" %)**Battery:**
75	75
	77	+
76	76	* Li/SOCI2 un-chargeable battery
77	77	* Capacity: 8500mAh
78	78	* Self Discharge: <1% / Year @ 25°C
...	...	@@ -79,10 +79,7 @@
79	79	* Max continuously current: 130mA
80	80	* Max boost current: 2A, 1 second
81	81
82		-(% style="color:#037691" %)**Power Consumption**
83	83
84		-* STOP Mode: 10uA @ 3.3v
85		-* Max transmit power: 350mA@3.3v
86	86
87	87	== ​1.4  Applications ==
88	88
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99	99
100	100	== 1.5  Pin Definitions ==
101	101
	101	+N95S31B use the mother board from NBSN95 which as below.
102	102
103		-[[image:1657328609906-564.png]]
	103	+[[image:image-20220709144723-1.png]]
104	104
105	105
	106	+=== 1.5.1 Jumper JP2 ===
106	106
107		-= 2.  Use NDDS75 to communicate with IoT Server =
	108	+Power on Device when put this jumper.
108	108
	110	+
	111	+
	112	+=== 1.5.2 BOOT MODE / SW1 ===
	113	+
	114	+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.
	115	+
	116	+2) Flash: work mode, device starts to work and send out console output for further debug
	117	+
	118	+
	119	+
	120	+=== 1.5.3 Reset Button ===
	121	+
	122	+Press to reboot the device.
	123	+
	124	+
	125	+
	126	+=== 1.5.4 LED ===
	127	+
	128	+It will flash:
	129	+
	130	+1. When boot the device in flash mode
	131	+1. Send an uplink packet
	132	+
	133	+
	134	+
	135	+
	136	+= 2.  Use N95S31B to communicate with IoT Server =
	137	+
109	109	== 2.1  How it works ==
110	110
	140	+
111	111	(((
112		-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.
	142	+The N95S31B is equipped with a NB-IoT module, the pre-loaded firmware in N95S31B 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 N95S31B.
113	113	)))
114	114
115	115
116	116	(((
117		-The diagram below shows the working flow in default firmware of NDDS75:
	147	+The diagram below shows the working flow in default firmware of N95S31B:
118	118	)))
119	119
120	120	(((
...	...	@@ -121,7 +121,7 @@
121	121
122	122	)))
123	123
124		-[[image:1657328659945-416.png]]
	154	+[[image:1657350248151-650.png]]
125	125
126	126	(((
127	127
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128	128	)))
129	129
130	130
131		-== 2.2 ​ Configure the NDDS75 ==
	161	+== 2.2 ​ Configure the N95S31B ==
132	132
133	133
	164	+=== 2.2.1  Power On N95S31B ===
	165	+
	166	+
	167	+[[image:image-20220709150546-2.png]]
	168	+
	169	+
134	134	=== 2.2.1 Test Requirement ===
135	135
136		-(((
137		-To use NDDS75 in your city, make sure meet below requirements:
138		-)))
139	139
	173	+To use N95S31B in your city, make sure meet below requirements:
	174	+
140	140	* Your local operator has already distributed a NB-IoT Network there.
141		-* The local NB-IoT network used the band that NSE01 supports.
	176	+* The local NB-IoT network used the band that N95S31B supports.
142	142	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
143	143
	179	+
	180	+Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
	181	+
	182	+N95S31B supports different communication protocol such as :
	183	+
144	144	(((
145		-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
146		-)))
	185	+* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
	186	+* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
	187	+* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
	188	+* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
147	147
	190	+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.
148	148
149		-[[image:1657328756309-230.png]]
	192	+
	193	+)))
150	150
	195	+[[image:1657350625843-586.png]]
151	151
152	152
	198	+
153	153	=== 2.2.2 Insert SIM card ===
154	154
155	155	(((

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