Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 107.1 >
edited by Xiaoling
on 2022/07/09 15:36
To version < 99.3 >
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Summary

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41 41  
42 42  == 1.2 ​ Features ==
43 43  
44 -
45 45  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
46 -* Monitor Temperature & Humidity via SHT31
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
47 47  * AT Commands to change parameters
48 48  * Uplink on periodically
49 49  * Downlink to change configure
50 50  * IP66 Waterproof Enclosure
51 -* Ultra-Low Power consumption
52 -* AT Commands to change parameters
53 53  * Micro SIM card slot for NB-IoT SIM
54 54  * 8500mAh Battery for long term use
55 55  
56 -
57 -
58 58  == 1.3  Specification ==
59 59  
60 60  
... ... @@ -74,7 +74,6 @@
74 74  
75 75  (% style="color:#037691" %)**Battery:**
76 76  
77 -
78 78  * Li/SOCI2 un-chargeable battery
79 79  * Capacity: 8500mAh
80 80  * Self Discharge: <1% / Year @ 25°C
... ... @@ -81,7 +81,10 @@
81 81  * Max continuously current: 130mA
82 82  * Max boost current: 2A, 1 second
83 83  
82 +(% style="color:#037691" %)**Power Consumption**
84 84  
84 +* STOP Mode: 10uA @ 3.3v
85 +* Max transmit power: 350mA@3.3v
85 85  
86 86  == ​1.4  Applications ==
87 87  
... ... @@ -98,53 +98,22 @@
98 98  
99 99  == 1.5  Pin Definitions ==
100 100  
101 -N95S31B use the mother board from NBSN95 which as below.
102 102  
103 -[[image:image-20220709144723-1.png]]
103 +[[image:1657328609906-564.png]]
104 104  
105 105  
106 -=== 1.5.1 Jumper JP2 ===
107 107  
108 -Power on Device when put this jumper.
107 += 2.  Use NDDS75 to communicate with IoT Server =
109 109  
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 -
138 138  == 2.1  How it works ==
139 139  
140 -
141 141  (((
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.
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.
143 143  )))
144 144  
145 145  
146 146  (((
147 -The diagram below shows the working flow in default firmware of N95S31B:
117 +The diagram below shows the working flow in default firmware of NDDS75:
148 148  )))
149 149  
150 150  (((
... ... @@ -151,7 +151,7 @@
151 151  
152 152  )))
153 153  
154 -[[image:1657350248151-650.png]]
124 +[[image:1657328659945-416.png]]
155 155  
156 156  (((
157 157  
... ... @@ -158,46 +158,30 @@
158 158  )))
159 159  
160 160  
161 -== 2.2 ​ Configure the N95S31B ==
131 +== 2.2 ​ Configure the NDDS75 ==
162 162  
163 163  
164 -=== 2.2.1  Power On N95S31B ===
165 -
166 -
167 -[[image:image-20220709150546-2.png]]
168 -
169 -
170 170  === 2.2.1 Test Requirement ===
171 171  
136 +(((
137 +To use NDDS75 in your city, make sure meet below requirements:
138 +)))
172 172  
173 -To use N95S31B in your city, make sure meet below requirements:
174 -
175 175  * Your local operator has already distributed a NB-IoT Network there.
176 -* The local NB-IoT network used the band that N95S31B supports.
141 +* The local NB-IoT network used the band that NSE01 supports.
177 177  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
178 178  
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 -
184 184  (((
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(%%))
189 -
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.
191 -
192 -
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
193 193  )))
194 194  
195 -[[image:1657350625843-586.png]]
196 196  
149 +[[image:1657328756309-230.png]]
197 197  
198 198  
199 -=== 2.2.3  Insert SIM card ===
200 200  
153 +=== 2.2.2 Insert SIM card ===
154 +
201 201  (((
202 202  Insert the NB-IoT Card get from your provider.
203 203  )))
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207 207  )))
208 208  
209 209  
210 -[[image:1657351240556-536.png]]
164 +[[image:1657328884227-504.png]]
211 211  
212 212  
213 213  
214 -=== 2.2.3 Connect USB – TTL to N95S31B to configure it ===
168 +=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
215 215  
216 216  (((
217 217  (((
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.
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.
219 219  )))
220 220  )))
221 221  
222 -[[image:1657351312545-300.png]]
176 +[[image:image-20220709092052-2.png]]
223 223  
224 224  **Connection:**
225 225  
... ... @@ -239,13 +239,13 @@
239 239  * Flow Control: (% style="color:green" %)**None**
240 240  
241 241  (((
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.
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.
243 243  )))
244 244  
245 245  [[image:1657329814315-101.png]]
246 246  
247 247  (((
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/]]
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/]]
249 249  )))
250 250  
251 251  
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