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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... ... @@ -1,69 +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. 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*. 26 26 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 27 28 - TheNDDS75can be applied toscenariossuch as horizontaldistancemeasurement,liquid level measurement,parkingmanagementsystem,object proximity andpresencedetection, intelligenttrashcan managementsystem, robot obstacleavoidance,automatic control,sewer,bottom waterlevel monitoring,etc. Itdetects the distancebetweenhemeasured objectandthe sensor, anduploads thevalue via wirelessto IoT Server via NB-IoT Network.28 +N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement. 29 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). 30 30 31 -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. 32 32 33 +~* make sure you have NB-IoT coverage locally. 33 33 34 -NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement. 35 - 36 - 37 -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) 38 - 39 - 40 -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. 41 -))) 42 - 43 43 44 44 ))) 45 45 46 -[[image:165732 7959271-447.png]]38 +[[image:1657348284168-431.png]] 47 47 48 48 49 49 50 50 == 1.2 Features == 51 51 52 - 53 53 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD 54 -* Ultra low power consumption 55 -* Distance Detection by Ultrasonic technology 56 -* Flat object range 280mm - 7500mm 57 -* Accuracy: ±(1cm+S*0.3%) (S: Distance) 58 -* Cable Length: 25cm 45 +* Monitor Temperature & Humidity via SHT31 59 59 * AT Commands to change parameters 60 60 * Uplink on periodically 61 61 * Downlink to change configure 62 62 * IP66 Waterproof Enclosure 50 +* Ultra-Low Power consumption 51 +* AT Commands to change parameters 63 63 * Micro SIM card slot for NB-IoT SIM 64 64 * 8500mAh Battery for long term use 65 65 66 66 56 + 57 + 67 67 == 1.3 Specification == 68 68 69 69 ... ... @@ -83,6 +83,7 @@ 83 83 84 84 (% style="color:#037691" %)**Battery:** 85 85 77 + 86 86 * Li/SOCI2 un-chargeable battery 87 87 * Capacity: 8500mAh 88 88 * Self Discharge: <1% / Year @ 25°C ... ... @@ -89,10 +89,7 @@ 89 89 * Max continuously current: 130mA 90 90 * Max boost current: 2A, 1 second 91 91 92 -(% style="color:#037691" %)**Power Consumption** 93 93 94 -* STOP Mode: 10uA @ 3.3v 95 -* Max transmit power: 350mA@3.3v 96 96 97 97 98 98 == 1.4 Applications == ... ... @@ -110,22 +110,51 @@ 110 110 111 111 == 1.5 Pin Definitions == 112 112 102 +N95S31B use the mother board from NBSN95 which as below. 113 113 114 -[[image: 1657328609906-564.png]]104 +[[image:image-20220709144723-1.png]] 115 115 116 116 107 +=== 1.5.1 Jumper JP2 === 117 117 118 - = 2. UseNDDS75 tocommunicate withIoTServer =109 +Power on Device when put this jumper. 119 119 111 + 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 + 120 120 == 2.1 How it works == 121 121 139 + 122 122 ((( 123 -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. 124 124 ))) 125 125 126 126 127 127 ((( 128 -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: 129 129 ))) 130 130 131 131 ((( ... ... @@ -132,7 +132,7 @@ 132 132 133 133 ))) 134 134 135 -[[image:1657328 659945-416.png]]153 +[[image:1657350248151-650.png]] 136 136 137 137 ((( 138 138 ... ... @@ -139,30 +139,45 @@ 139 139 ))) 140 140 141 141 142 -== 2.2 Configure the N DDS75 ==160 +== 2.2 Configure the N95S31B == 143 143 144 144 163 +=== 2.2.1 Power On N95S31B === 164 + 165 + 166 +[[image:image-20220709150546-2.png]] 167 + 168 + 145 145 === 2.2.1 Test Requirement === 146 146 147 -((( 148 -To use NDDS75 in your city, make sure meet below requirements: 149 -))) 150 150 172 +To use N95S31B in your city, make sure meet below requirements: 173 + 151 151 * Your local operator has already distributed a NB-IoT Network there. 152 -* The local NB-IoT network used the band that NS E01 supports.175 +* The local NB-IoT network used the band that N95S31B supports. 153 153 * Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 154 154 178 +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 + 155 155 ((( 156 -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 157 -))) 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(%%)) 158 158 188 +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. 159 159 160 -[[image:1657328756309-230.png]] 190 + 191 +))) 161 161 193 +[[image:1657350625843-586.png]] 162 162 163 163 164 -=== 2.2.2 Insert SIM card === 165 165 197 +=== 2.2.3 Insert SIM card === 198 + 166 166 ((( 167 167 Insert the NB-IoT Card get from your provider. 168 168 ))) ... ... @@ -172,19 +172,19 @@ 172 172 ))) 173 173 174 174 175 -[[image:165732 8884227-504.png]]208 +[[image:1657351240556-536.png]] 176 176 177 177 178 178 179 -=== 2.2. 3DDS75 to configure it ===212 +=== 2.2.4 Connect USB – TTL to N95S31B to configure it === 180 180 181 181 ((( 182 182 ((( 183 -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. 184 184 ))) 185 185 ))) 186 186 187 -[[image: image-20220709092052-2.png]]220 +[[image:1657351312545-300.png]] 188 188 189 189 **Connection:** 190 190 ... ... @@ -204,18 +204,18 @@ 204 204 * Flow Control: (% style="color:green" %)**None** 205 205 206 206 ((( 207 -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. 208 208 ))) 209 209 210 210 [[image:1657329814315-101.png]] 211 211 212 212 ((( 213 -(% 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/]] 214 214 ))) 215 215 216 216 217 217 218 -=== 2.2. 4251 +=== 2.2.5 Use CoAP protocol to uplink data === 219 219 220 220 (% 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/]] 221 221 ... ... @@ -235,10 +235,12 @@ 235 235 ))) 236 236 237 237 ((( 271 + 272 + 238 238 For parameter description, please refer to AT command set 239 239 ))) 240 240 241 -[[image:16573 30452568-615.png]]276 +[[image:1657352146020-183.png]] 242 242 243 243 244 244 ((( ... ... @@ -245,11 +245,11 @@ 245 245 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. 246 246 ))) 247 247 248 -[[image:16573 30472797-498.png]]283 +[[image:1657352185396-303.png]] 249 249 250 250 251 251 252 -=== 2.2. 5287 +=== 2.2.6 Use UDP protocol to uplink data(Default protocol) === 253 253 254 254 255 255 * (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink ... ... @@ -256,15 +256,16 @@ 256 256 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 257 257 * (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 258 258 259 -[[image:16573 30501006-241.png]]294 +[[image:1657352391268-297.png]] 260 260 261 261 262 -[[image:16573 30533775-472.png]]297 +[[image:1657352403317-397.png]] 263 263 264 264 265 265 266 -=== 2.2. 6301 +=== 2.2.7 Use MQTT protocol to uplink data === 267 267 303 +N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 268 268 269 269 * (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 270 270 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port ... ... @@ -271,35 +271,40 @@ 271 271 * (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 272 272 * (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 273 273 * (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 274 -* (% style="color:blue" %)**AT+PUBTOPIC= NDDS75_PUB**(%%)~/~/Set the sending topic of MQTT275 -* (% style="color:blue" %)**AT+SUBTOPIC=N DDS75_SUB**(%%) ~/~/Set the subscription topic of MQTT310 +* (% 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 276 276 277 -[[image:165724 9978444-674.png]]313 +[[image:1657352634421-276.png]] 278 278 279 279 280 -[[image:16573 30723006-866.png]]316 +[[image:1657352645687-385.png]] 281 281 318 +((( 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 +))) 282 282 322 + 283 283 ((( 284 -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. 285 285 ))) 286 286 287 287 288 288 289 -=== 2.2. 7329 +=== 2.2.8 Use TCP protocol to uplink data === 290 290 331 +This feature is supported since firmware version v110 291 291 292 292 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 293 293 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 **(%%) ~/~/ to set TCP server address and port 294 294 295 -[[image: image-20220709093918-1.png]]336 +[[image:1657352898400-901.png]] 296 296 297 297 298 -[[image: image-20220709093918-2.png]]339 +[[image:1657352914475-252.png]] 299 299 300 300 301 301 302 -=== 2.2. 8343 +=== 2.2.9 Change Update Interval === 303 303 304 304 User can use below command to change the (% style="color:green" %)**uplink interval**. 305 305 ... ... @@ -306,69 +306,92 @@ 306 306 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s 307 307 308 308 ((( 309 - (%style="color:red" %)**NOTE:**350 + 310 310 ))) 311 311 312 -((( 313 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour. 314 -))) 315 315 316 316 317 - 318 318 == 2.3 Uplink Payload == 319 319 320 -In this mode, uplink payload includes in total 14 bytes 321 321 358 +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. 322 322 323 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 360 + 361 +For example: 362 + 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. 364 + 365 + 366 +The uplink payloads are composed in ASCII String. For example: 367 + 368 +0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload: 369 + 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" %) 324 324 |=(% style="width: 60px;" %)((( 325 325 **Size(bytes)** 326 -)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %)**2**|=(% style="width: 60px;" %)**1** 327 -|(% 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"]] 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=1 328 328 329 - (((330 - Ifwe usethe MQTT client to subscribe to this MQTT topic,we can see the following information when the NDDS751 uplinkdata.331 - )))393 +No function here. 394 +)))|(% style="width:77px" %)((( 395 +[[Temperature >>||anchor="H2.4.5A0Distance"]] 332 332 397 +By SHT31 398 +)))|(% style="width:80px" %)((( 399 +[[Humidity>>||anchor="H2.4.6A0DigitalInterrupt"]] 333 333 334 -[[image:1657331036973-987.png]] 335 - 336 -((( 337 -The payload is ASCII string, representative same HEX: 401 +By SHT31 338 338 ))) 339 339 340 340 ((( 341 -0x72403155615900640c6c19029200 where: 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. 342 342 ))) 343 - 344 -* ((( 345 -Device ID: 0x724031556159 = 724031556159 346 346 ))) 347 -* ((( 348 -Version: 0x0064=100=1.0.0 349 -))) 350 350 351 -* ((( 352 -BAT: 0x0c6c = 3180 mV = 3.180V 353 -))) 354 -* ((( 355 -Signal: 0x19 = 25 356 -))) 357 -* ((( 358 -Distance: 0x0292= 658 mm 359 -))) 360 -* ((( 361 -Interrupt: 0x00 = 0 362 362 411 +[[image:1657354294009-643.png]] 363 363 364 364 414 +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 +((( 365 365 366 366 ))) 367 367 368 -== 2.4 Payload Explanation and Sensor Interface == 430 +((( 431 + 432 +))) 369 369 370 370 371 -=== 2. 4.1435 +=== 2.3.2 Device ID === 372 372 373 373 ((( 374 374 By default, the Device ID equal to the last 6 bytes of IMEI. ... ... @@ -392,20 +392,25 @@ 392 392 393 393 394 394 395 -=== 2. 4.2Version Info ===459 +=== 2.3.3 Version Info === 396 396 397 -((( 398 -Specify the software version: 0x64=100, means firmware version 1.00. 399 -))) 400 400 462 +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 + 401 401 ((( 402 - Forexample: 0x00 64 : this device is NDDS75 with firmware version 1.0.0.472 + 403 403 ))) 404 404 405 405 476 +=== 2.3.4 Battery Info === 406 406 407 -=== 2.4.3 Battery Info === 408 - 409 409 ((( 410 410 Ex1: 0x0B45 = 2885mV 411 411 ))) ... ... @@ -416,7 +416,7 @@ 416 416 417 417 418 418 419 -=== 2. 4.4Signal Strength ===488 +=== 2.3.5 Signal Strength === 420 420 421 421 ((( 422 422 NB-IoT Network signal Strength. ... ... @@ -448,81 +448,24 @@ 448 448 449 449 450 450 451 -=== 2. 4.5Distance ===520 +=== 2.3.6 Temperature & Humidity === 452 452 453 - 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. 454 454 455 - 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]] 456 456 457 -((( 458 -((( 459 -(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.** 460 -))) 461 -))) 462 462 463 -((( 464 - 465 -))) 527 +Convert the read byte to decimal and divide it by ten. 466 466 467 -((( 468 - 469 -))) 470 470 471 - === 2.4.6 DigitalInterrupt ===530 +**Example:** 472 472 473 -((( 474 -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. 475 -))) 532 +Temperature: Read:00ec (H) = 236(D) Value: 236 /10=23.6℃ 476 476 477 -((( 478 -The command is: 479 -))) 534 +Humidity: Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 480 480 481 -((( 482 -(% 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]])**.** 483 -))) 484 484 485 485 486 -((( 487 -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. 488 -))) 489 - 490 - 491 -((( 492 -Example: 493 -))) 494 - 495 -((( 496 -0x(00): Normal uplink packet. 497 -))) 498 - 499 -((( 500 -0x(01): Interrupt Uplink Packet. 501 -))) 502 - 503 - 504 - 505 -=== 2.4.7 +5V Output === 506 - 507 -((( 508 -NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 509 -))) 510 - 511 - 512 -((( 513 -The 5V output time can be controlled by AT Command. 514 -))) 515 - 516 -((( 517 -(% style="color:blue" %)**AT+5VT=1000** 518 -))) 519 - 520 -((( 521 -Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors. 522 -))) 523 - 524 - 525 - 526 526 == 2.5 Downlink Payload == 527 527 528 528 By default, NDDS75 prints the downlink payload to console port. ... ... @@ -575,47 +575,16 @@ 575 575 576 576 577 577 578 -== 2. 6LED Indicator ==590 +== 2.5 Battery Analysis == 579 579 592 +=== 2.5.1 Battery Type === 580 580 581 -The NDDS75 has an internal LED which is to show the status of different state. 582 582 583 - 584 -* 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) 585 -* Then the LED will be on for 1 second means device is boot normally. 586 -* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds. 587 -* For each uplink probe, LED will be on for 500ms. 588 - 589 589 ((( 590 - 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. 591 591 ))) 592 592 593 - 594 - 595 -== 2.7 Firmware Change Log == 596 - 597 - 598 -Download URL & Firmware Change log 599 - 600 600 ((( 601 -[[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/]] 602 -))) 603 - 604 - 605 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 606 - 607 - 608 - 609 -== 2.8 Battery Analysis == 610 - 611 -=== 2.8.1 Battery Type === 612 - 613 - 614 -((( 615 -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. 616 -))) 617 - 618 -((( 619 619 The battery is designed to last for several years depends on the actually use environment and update interval. 620 620 ))) 621 621 ... ... @@ -633,56 +633,35 @@ 633 633 634 634 635 635 636 -=== 2. 8.2 Power consumption Analyze ===617 +=== 2.5.2 Power consumption Analyze === 637 637 638 638 ((( 639 - 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. 640 640 ))) 641 641 642 - 643 643 ((( 644 - Instructionto use as below:624 + 645 645 ))) 646 646 647 -((( 648 -(% 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/]] 649 -))) 650 650 628 +=== 2.5.3 Battery Note === 651 651 652 652 ((( 653 - (%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. 654 654 ))) 655 655 656 -* ((( 657 -Product Model 658 -))) 659 -* ((( 660 -Uplink Interval 661 -))) 662 -* ((( 663 -Working Mode 664 -))) 665 665 666 -((( 667 -And the Life expectation in difference case will be shown on the right. 668 -))) 669 669 670 - [[image:image-20220709110451-3.png]]636 +=== 2.5.4 Replace the battery === 671 671 672 672 673 - 674 -=== 2.8.3 Battery Note === 675 - 676 676 ((( 677 - TheLi-SICObattery isdesignedfor smallcurrent/long period application.It isnotgoodtouseahigh current,shortperiodtransmitmethod.Thecommendedminimumperiodforuseofthisbatteryis5minutes. If you use ashorter period time totransmitLoRa,then the batterylifemaybe decreased.640 +You can change the battery in the N95S31B.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board. 678 678 ))) 679 679 680 680 681 - 682 -=== 2.8.4 Replace the battery === 683 - 684 684 ((( 685 -The default battery pack of N DDS75 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).645 +The default battery pack of N95S31B 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). 686 686 ))) 687 687 688 688 ... ... @@ -705,7 +705,7 @@ 705 705 706 706 == 4.1 Access AT Commands == 707 707 708 -See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N DDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]668 +See NBSN95 AT Command in this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/]] 709 709 710 710 711 711 AT+<CMD>? : Help on <CMD>
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