Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 99.2 >
edited by Xiaoling
on 2022/07/09 14:37
To version < 105.2 >
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Summary

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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  
... ... @@ -73,6 +73,7 @@
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  
... ... @@ -99,22 +99,53 @@
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  
... ... @@ -128,30 +128,46 @@
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  
153 -=== 2.2.2 Insert SIM card ===
154 154  
199 +=== 2.2.3  Insert SIM card ===
200 +
155 155  (((
156 156  Insert the NB-IoT Card get from your provider.
157 157  )))
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161 161  )))
162 162  
163 163  
164 -[[image:1657328884227-504.png]]
210 +[[image:1657351240556-536.png]]
165 165  
166 166  
167 167  
168 -=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
214 +=== 2.2.3 Connect USB – TTL to N95S31B to configure it ===
169 169  
170 170  (((
171 171  (((
172 -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.
218 +User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below.
173 173  )))
174 174  )))
175 175  
176 -[[image:image-20220709092052-2.png]]
222 +[[image:1657351312545-300.png]]
177 177  
178 178  **Connection:**
179 179  
... ... @@ -193,13 +193,13 @@
193 193  * Flow Control: (% style="color:green" %)**None**
194 194  
195 195  (((
196 -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.
242 +Make sure the switch is in FLASH position, then power on device by connecting the jumper on N95S31B. N95S31B will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
197 197  )))
198 198  
199 199  [[image:1657329814315-101.png]]
200 200  
201 201  (((
202 -(% 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/]]
248 +(% style="color:red" %)Note: the valid AT Commands can be found at:  (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]
203 203  )))
204 204  
205 205  
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