Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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... ... @@ -1,1 +1,1 @@ 1 -N DDS75 NB-IoTDistanceDetect Sensor User Manual1 +N95S31B NB-IoT Temperature & Humidity Sensor User Manual - Content
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... ... @@ -1,60 +1,60 @@ 1 1 (% style="text-align:center" %) 2 -[[image: image-20220709085040-1.png||height="542" width="524"]]2 +[[image:1657348034241-728.png||height="470" width="470"]] 3 3 4 4 5 5 6 6 7 7 8 -**Table of Contents:** 9 9 10 -{{toc/}} 11 11 10 +**Table of Contents:** 12 12 13 13 14 14 15 15 16 16 16 + 17 17 = 1. Introduction = 18 18 19 -== 1.1 What is N DDS75Distance DetectionSensor ==19 +== 1.1 What is N95S31B NB-IoT Sensor Node == 20 20 21 21 ((( 22 22 23 23 24 -((( 25 -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. 26 -\\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. 27 -\\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. 28 -\\NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement. 29 -\\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) 30 -\\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. 31 -))) 24 +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*. 32 32 26 +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. 27 + 28 +N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement. 29 + 30 +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). 31 + 32 + 33 +~* make sure you have NB-IoT coverage locally. 34 + 33 33 34 34 ))) 35 35 36 -[[image:165732 7959271-447.png]]38 +[[image:1657348284168-431.png]] 37 37 38 38 39 39 40 40 == 1.2 Features == 41 41 42 - 43 43 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD 44 -* Ultra low power consumption 45 -* Distance Detection by Ultrasonic technology 46 -* Flat object range 280mm - 7500mm 47 -* Accuracy: ±(1cm+S*0.3%) (S: Distance) 48 -* Cable Length: 25cm 45 +* Monitor Temperature & Humidity via SHT31 49 49 * AT Commands to change parameters 50 50 * Uplink on periodically 51 51 * Downlink to change configure 52 52 * IP66 Waterproof Enclosure 50 +* Ultra-Low Power consumption 51 +* 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 56 57 57 57 + 58 58 == 1.3 Specification == 59 59 60 60 ... ... @@ -74,6 +74,7 @@ 74 74 75 75 (% style="color:#037691" %)**Battery:** 76 76 77 + 77 77 * Li/SOCI2 un-chargeable battery 78 78 * Capacity: 8500mAh 79 79 * Self Discharge: <1% / Year @ 25°C ... ... @@ -80,13 +80,9 @@ 80 80 * Max continuously current: 130mA 81 81 * Max boost current: 2A, 1 second 82 82 83 -(% style="color:#037691" %)**Power Consumption** 84 84 85 -* STOP Mode: 10uA @ 3.3v 86 -* Max transmit power: 350mA@3.3v 87 87 88 88 89 - 90 90 == 1.4 Applications == 91 91 92 92 * Smart Buildings & Home Automation ... ... @@ -102,22 +102,51 @@ 102 102 103 103 == 1.5 Pin Definitions == 104 104 102 +N95S31B use the mother board from NBSN95 which as below. 105 105 106 -[[image: 1657328609906-564.png]]104 +[[image:image-20220709144723-1.png]] 107 107 108 108 107 +=== 1.5.1 Jumper JP2 === 109 109 110 - = 2. UseNDDS75 tocommunicate withIoTServer =109 +Power on Device when put this jumper. 111 111 111 + 112 + 113 +=== 1.5.2 BOOT MODE / SW1 === 114 + 115 +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. 116 + 117 +2) Flash: work mode, device starts to work and send out console output for further debug 118 + 119 + 120 + 121 +=== 1.5.3 Reset Button === 122 + 123 +Press to reboot the device. 124 + 125 + 126 + 127 +=== 1.5.4 LED === 128 + 129 +It will flash: 130 + 131 +1. When boot the device in flash mode 132 +1. Send an uplink packet 133 + 134 + 135 += 2. Use N95S31B to communicate with IoT Server = 136 + 112 112 == 2.1 How it works == 113 113 139 + 114 114 ((( 115 -The N DDS75 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 NDDS75.141 +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. 116 116 ))) 117 117 118 118 119 119 ((( 120 -The diagram below shows the working flow in default firmware of N DDS75:146 +The diagram below shows the working flow in default firmware of N95S31B: 121 121 ))) 122 122 123 123 ((( ... ... @@ -124,7 +124,7 @@ 124 124 125 125 ))) 126 126 127 -[[image:1657328 659945-416.png]]153 +[[image:1657350248151-650.png]] 128 128 129 129 ((( 130 130 ... ... @@ -131,30 +131,45 @@ 131 131 ))) 132 132 133 133 134 -== 2.2 Configure the N DDS75 ==160 +== 2.2 Configure the N95S31B == 135 135 136 136 163 +=== 2.2.1 Power On N95S31B === 164 + 165 + 166 +[[image:image-20220709150546-2.png]] 167 + 168 + 137 137 === 2.2.1 Test Requirement === 138 138 139 -((( 140 -To use NDDS75 in your city, make sure meet below requirements: 141 -))) 142 142 172 +To use N95S31B in your city, make sure meet below requirements: 173 + 143 143 * Your local operator has already distributed a NB-IoT Network there. 144 -* The local NB-IoT network used the band that NS E01 supports.175 +* The local NB-IoT network used the band that N95S31B supports. 145 145 * Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 146 146 178 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. 179 + 180 +N95S31B supports different communication protocol such as : 181 + 147 147 ((( 148 -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 149 -))) 183 +* CoAP ((% style="color:red" %)120.24.4.116:5683(%%)) 184 +* raw UDP ((% style="color:red" %)120.24.4.116:5601(%%)) 185 +* MQTT ((% style="color:red" %)120.24.4.116:1883(%%)) 186 +* TCP ((% style="color:red" %)120.24.4.116:5600(%%)) 150 150 188 +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. 151 151 152 -[[image:1657328756309-230.png]] 190 + 191 +))) 153 153 193 +[[image:1657350625843-586.png]] 154 154 155 155 156 -=== 2.2.2 Insert SIM card === 157 157 197 +=== 2.2.3 Insert SIM card === 198 + 158 158 ((( 159 159 Insert the NB-IoT Card get from your provider. 160 160 ))) ... ... @@ -164,19 +164,19 @@ 164 164 ))) 165 165 166 166 167 -[[image:165732 8884227-504.png]]208 +[[image:1657351240556-536.png]] 168 168 169 169 170 170 171 -=== 2.2. 3DDS75 to configure it ===212 +=== 2.2.4 Connect USB – TTL to N95S31B to configure it === 172 172 173 173 ((( 174 174 ((( 175 -User need to configure DDS75 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 toDDS75 and use AT Commands to configure it, as below.216 +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. 176 176 ))) 177 177 ))) 178 178 179 -[[image: image-20220709092052-2.png]]220 +[[image:1657351312545-300.png]] 180 180 181 181 **Connection:** 182 182 ... ... @@ -196,18 +196,18 @@ 196 196 * Flow Control: (% style="color:green" %)**None** 197 197 198 198 ((( 199 -Make sure the switch is in FLASH position, then power on device by connecting the jumper on N DDS75.DDS75 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.240 +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. 200 200 ))) 201 201 202 202 [[image:1657329814315-101.png]] 203 203 204 204 ((( 205 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N DDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]246 +(% 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/]] 206 206 ))) 207 207 208 208 209 209 210 -=== 2.2. 4251 +=== 2.2.5 Use CoAP protocol to uplink data === 211 211 212 212 (% 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/]] 213 213 ... ... @@ -227,10 +227,12 @@ 227 227 ))) 228 228 229 229 ((( 271 + 272 + 230 230 For parameter description, please refer to AT command set 231 231 ))) 232 232 233 -[[image:16573 30452568-615.png]]276 +[[image:1657352146020-183.png]] 234 234 235 235 236 236 ((( ... ... @@ -237,11 +237,11 @@ 237 237 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. 238 238 ))) 239 239 240 -[[image:16573 30472797-498.png]]283 +[[image:1657352185396-303.png]] 241 241 242 242 243 243 244 -=== 2.2. 5287 +=== 2.2.6 Use UDP protocol to uplink data(Default protocol) === 245 245 246 246 247 247 * (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink ... ... @@ -248,50 +248,56 @@ 248 248 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 249 249 * (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 250 250 251 -[[image:16573 30501006-241.png]]294 +[[image:1657352391268-297.png]] 252 252 253 253 254 -[[image:16573 30533775-472.png]]297 +[[image:1657352403317-397.png]] 255 255 256 256 257 257 258 -=== 2.2. 6301 +=== 2.2.7 Use MQTT protocol to uplink data === 259 259 303 +N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 260 260 261 261 * (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 262 262 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 263 263 * (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 264 -* (% style="color:blue" %)**AT+UNAME=UNAME 265 -* (% style="color:blue" %)**AT+PWD=PWD 266 -* (% style="color:blue" %)**AT+PUBTOPIC= NDDS75_PUB**(%%)~/~/Set the sending topic of MQTT267 -* (% style="color:blue" %)**AT+SUBTOPIC=N DDS75_SUB**(%%) ~/~/Set the subscription topic of MQTT308 +* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 309 +* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 310 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/Set the sending topic of MQTT 311 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527 **(%%) ~/~/Set the subscription topic of MQTT 268 268 269 -[[image:165724 9978444-674.png]]313 +[[image:1657352634421-276.png]] 270 270 271 271 272 -[[image:16573 30723006-866.png]]316 +[[image:1657352645687-385.png]] 273 273 318 +((( 319 +To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period. 320 +))) 274 274 322 + 275 275 ((( 276 -MQTT protocol has a much high erpower consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.324 +MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval. 277 277 ))) 278 278 279 279 280 280 281 -=== 2.2. 7329 +=== 2.2.8 Use TCP protocol to uplink data === 282 282 331 +This feature is supported since firmware version v110 283 283 284 284 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 285 285 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 **(%%) ~/~/ to set TCP server address and port 286 286 287 -[[image: image-20220709093918-1.png]]336 +[[image:1657352898400-901.png]] 288 288 289 289 290 -[[image: image-20220709093918-2.png]]339 +[[image:1657352914475-252.png]] 291 291 292 292 293 293 294 -=== 2.2. 8343 +=== 2.2.9 Change Update Interval === 295 295 296 296 User can use below command to change the (% style="color:green" %)**uplink interval**. 297 297 ... ... @@ -298,69 +298,92 @@ 298 298 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s 299 299 300 300 ((( 301 - (%style="color:red" %)**NOTE:**350 + 302 302 ))) 303 303 304 -((( 305 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour. 306 -))) 307 307 308 308 309 - 310 310 == 2.3 Uplink Payload == 311 311 312 -In this mode, uplink payload includes in total 14 bytes 313 313 358 +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. 314 314 315 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 316 -|=(% style="width: 80px;" %)((( 317 -**Size(bytes)** 318 -)))|=(% style="width: 80px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 110px;" %)**1**|=(% style="width: 110px;" %)**2**|=(% style="width: 70px;" %)**1** 319 -|(% 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"]] 320 320 321 -((( 322 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data. 323 -))) 361 +For example: 324 324 363 + (% 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. 325 325 326 -[[image:1657331036973-987.png]] 327 327 328 -((( 329 -The payload is ASCII string, representative same HEX: 330 -))) 366 +The uplink payloads are composed in ASCII String. For example: 331 331 332 -((( 333 -0x72403155615900640c6c19029200 where: 334 -))) 368 +0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload: 335 335 336 -* ((( 337 -Device ID: 0x724031556159 = 724031556159 370 +0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes 371 + 372 + 373 +(% style="color:red" %)**NOTE:** 374 + 375 +(% style="color:red" %) 376 +1. All modes share the same Payload Explanation from [[HERE>>path:#Payload_Explain]]. 377 +1. By default, the device will send an uplink message every 1 hour. 378 + 379 + 380 + 381 +=== 2.3.1 Payload Analyze === 382 + 383 +N95S31B uplink payload includes in total 21 bytes 384 + 385 + 386 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %) 387 +|=(% style="width: 60px;" %)((( 388 +**Size(bytes)** 389 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %) |=(% style="width: 99px;" %) |=(% style="width: 77px;" %)**2**|=(% style="width: 60px;" %)**1** 390 +|(% 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:123px" %)MOD 0X01|(% style="width:99px" %)((( 391 +Reserve/ Same as NBSN95 CFGMOD=1 392 + 393 +No function here. 394 +)))|(% style="width:77px" %)((( 395 +[[Temperature >>||anchor="H2.4.5A0Distance"]] 396 + 397 +By SHT31 398 +)))|(% style="width:80px" %)((( 399 +[[Humidity>>||anchor="H2.4.6A0DigitalInterrupt"]] 400 + 401 +By SHT31 338 338 ))) 339 -* ((( 340 -Version: 0x0064=100=1.0.0 341 -))) 342 342 343 -* ((( 344 -BAT: 0x0c6c = 3180 mV = 3.180V 404 +((( 405 +((( 406 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data. 345 345 ))) 346 -* ((( 347 -Signal: 0x19 = 25 348 348 ))) 349 -* ((( 350 -Distance: 0x0292= 658 mm 351 -))) 352 -* ((( 353 -Interrupt: 0x00 = 0 354 354 355 355 411 +[[image:1657354294009-643.png]] 356 356 413 + 414 +The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where: 415 + 416 +* Device ID: 0x724031607457 = 724031607457 417 +* Version: 0x006e=110=1.1.0 418 + 419 +* BAT: 0x0ccd = 3277 mV = 3.277V 420 +* Signal: 0x1b = 27 421 +* Model: 0x01 = 1 422 +* 0x00dc000ccc= reserve, ignore in N95S31B 423 +* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C 424 +* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh 425 + 426 +((( 357 357 358 358 ))) 359 359 360 -== 2.4 Payload Explanation and Sensor Interface == 430 +((( 431 + 432 +))) 361 361 362 362 363 -=== 2. 4.1435 +=== 2.3.2 Device ID === 364 364 365 365 ((( 366 366 By default, the Device ID equal to the last 6 bytes of IMEI. ... ... @@ -384,20 +384,25 @@ 384 384 385 385 386 386 387 -=== 2. 4.2Version Info ===459 +=== 2.3.3 Version Info === 388 388 389 -((( 390 -Specify the software version: 0x64=100, means firmware version 1.00. 391 -))) 392 392 462 +These bytes include the hardware and software version. 463 + 464 +Higher byte: Specify hardware version: always 0x00 for N95S31B 465 + 466 +Lower byte: Specify the software version: 0x6E=110, means firmware version 110 467 + 468 + 469 +For example: 0x00 6E: this device is N95S31B with firmware version 110. 470 + 393 393 ((( 394 - Forexample: 0x00 64 : this device is NDDS75 with firmware version 1.0.0.472 + 395 395 ))) 396 396 397 397 476 +=== 2.3.4 Battery Info === 398 398 399 -=== 2.4.3 Battery Info === 400 - 401 401 ((( 402 402 Ex1: 0x0B45 = 2885mV 403 403 ))) ... ... @@ -408,7 +408,7 @@ 408 408 409 409 410 410 411 -=== 2. 4.4Signal Strength ===488 +=== 2.3.5 Signal Strength === 412 412 413 413 ((( 414 414 NB-IoT Network signal Strength. ... ... @@ -440,81 +440,24 @@ 440 440 441 441 442 442 443 -=== 2. 4.5Distance ===520 +=== 2.3.6 Temperature & Humidity === 444 444 445 - Get the distance.Flatobject range280mm-7500mm.522 +The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server. 446 446 447 - For example,if the data youget fromthe register is **__0x0B0x05__**, the distance between the sensor and the measured object is524 +[[image:image-20220709161741-3.png]] 448 448 449 -((( 450 -((( 451 -(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.** 452 -))) 453 -))) 454 454 455 -((( 456 - 457 -))) 527 +Convert the read byte to decimal and divide it by ten. 458 458 459 -((( 460 - 461 -))) 462 462 463 - === 2.4.6 DigitalInterrupt ===530 +**Example:** 464 464 465 -((( 466 -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. 467 -))) 532 +Temperature: Read:00ec (H) = 236(D) Value: 236 /10=23.6℃ 468 468 469 -((( 470 -The command is: 471 -))) 534 +Humidity: Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 472 472 473 -((( 474 -(% 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]])**.** 475 -))) 476 476 477 477 478 -((( 479 -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. 480 -))) 481 - 482 - 483 -((( 484 -Example: 485 -))) 486 - 487 -((( 488 -0x(00): Normal uplink packet. 489 -))) 490 - 491 -((( 492 -0x(01): Interrupt Uplink Packet. 493 -))) 494 - 495 - 496 - 497 -=== 2.4.7 +5V Output === 498 - 499 -((( 500 -NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 501 -))) 502 - 503 - 504 -((( 505 -The 5V output time can be controlled by AT Command. 506 -))) 507 - 508 -((( 509 -(% style="color:blue" %)**AT+5VT=1000** 510 -))) 511 - 512 -((( 513 -Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors. 514 -))) 515 - 516 - 517 - 518 518 == 2.5 Downlink Payload == 519 519 520 520 By default, NDDS75 prints the downlink payload to console port. ... ... @@ -567,47 +567,16 @@ 567 567 568 568 569 569 570 -== 2. 6LED Indicator ==590 +== 2.5 Battery Analysis == 571 571 592 +=== 2.5.1 Battery Type === 572 572 573 -The NDDS75 has an internal LED which is to show the status of different state. 574 574 575 - 576 -* 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) 577 -* Then the LED will be on for 1 second means device is boot normally. 578 -* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds. 579 -* For each uplink probe, LED will be on for 500ms. 580 - 581 581 ((( 582 - 596 +The N95S31B 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. 583 583 ))) 584 584 585 - 586 - 587 -== 2.7 Firmware Change Log == 588 - 589 - 590 -Download URL & Firmware Change log 591 - 592 592 ((( 593 -[[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/]] 594 -))) 595 - 596 - 597 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 598 - 599 - 600 - 601 -== 2.8 Battery Analysis == 602 - 603 -=== 2.8.1 Battery Type === 604 - 605 - 606 -((( 607 -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. 608 -))) 609 - 610 -((( 611 611 The battery is designed to last for several years depends on the actually use environment and update interval. 612 612 ))) 613 613 ... ... @@ -625,55 +625,28 @@ 625 625 626 626 627 627 628 -=== 2. 8.2 Power consumption Analyze ===617 +=== 2.5.2 Power consumption Analyze === 629 629 630 630 ((( 631 - Draginobatterypoweredproductareall runsinLow Powermode.Wehave an update battery calculatorwhichbaseonthe measurement oftherealdevice. User can usethis calculatortocheck the batterylifeandcalculatethe batterylifeifwant tousedifferenttransmit interval.620 +The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project. 632 632 ))) 633 633 634 - 635 635 ((( 636 - Instructionto use as below:624 + 637 637 ))) 638 638 639 -((( 640 -(% 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/]] 641 -))) 642 642 628 +=== 2.5.3 Battery Note === 643 643 644 644 ((( 645 - (%style="color:blue"%)**Step2:**(%%)Open it andchoose631 +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 uplink data, then the battery life may be decreased. 646 646 ))) 647 647 648 -* ((( 649 -Product Model 650 -))) 651 -* ((( 652 -Uplink Interval 653 -))) 654 -* ((( 655 -Working Mode 656 -))) 657 657 658 -((( 659 -And the Life expectation in difference case will be shown on the right. 660 -))) 661 661 662 - [[image:image-20220709110451-3.png]]636 +=== 2.5.4 Replace the battery === 663 663 664 - 665 - 666 -=== 2.8.3 Battery Note === 667 - 668 668 ((( 669 -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. 670 -))) 671 - 672 - 673 - 674 -=== 2.8.4 Replace the battery === 675 - 676 -((( 677 677 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). 678 678 ))) 679 679
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