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14 += 1. Introduction =
15 +
16 +
17 +== 1.1 ​What is NDS01 NB-IoT Door Sensor ==
18 +
19 +
20 +The Dragino NDS01 is a NB-IOT Door Sensor for Internet of Things solution. It is used to detect the open/close event for door and uplink the event to IoT server via NB-IoT network.
21 +
22 +Besides open/close event, NDS01 also has an internal temperature and humidity sensor which can detect the temperature and humidity inside the sensor.
23 +
24 +**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.
25 +
26 +NDS01 is powered by 2 x AAA batteries for long term use.
27 +
28 +*The measured temperature is 2~~3 degree higher than the actually environment temperature out of NDS01. 
29 +
30 +
31 +[[image:1668224602353-769.png]]
32 +
33 +
34 +
35 +
36 +== 1.2 Specifications ==
37 +
38 +
39 +**Common DC Characteristics:**
40 +
41 +* Supply Voltage: 2.1v ~~ 3.6v
42 +* Operating Temperature: -10 ~~ 50°C
43 +
44 +
45 +**NB-IoT Spec:**
46 +
47 +* - B1 @H-FDD: 2100MHz
48 +* - B3 @H-FDD: 1800MHz
49 +* - B8 @H-FDD: 900MHz
50 +* - B5 @H-FDD: 850MHz
51 +* - B20 @H-FDD: 800MHz
52 +* - B28 @H-FDD: 700MHz
53 +
54 +
55 +**Power Consumption**
56 +
57 +* IDEL Mode: 10uA @ 3.3v
58 +* Max transmit power: <500mA@3.3v
59 +
60 +​
61 +
62 +
63 +== 1.3 Features ==
64 +
65 +
66 +* NB-IoT Bands: B1/B3/B5/B8/B20/B28 @H-FDD
67 +* Ultra low power consumption
68 +* Door Open / Close Detect
69 +* Device remove alarm
70 +* Uplink Protocol: TCP or UDP
71 +* Uplink on periodically
72 +* Micro SIM card slot for NB-IoT SIM
73 +* 2 x AAA LR03 Batteries
74 +
75 +
76 +
77 +== 1.4  ​Applications ==
78 +
79 +
80 +* Smart Buildings & Home Automation
81 +* Logistics and Supply Chain Management
82 +* Smart Cities
83 +* Smart Factory
84 +
85 +
86 +
87 += 2. Use NDS01 to communicate with IoT Server =
88 +
89 +
90 +== 2.1 How it works ==
91 +
92 +
93 +The NDS01 is equipped with a NB-IoT module, the pre-loaded firmware in NDS01 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 NDS01.
94 +
95 +The diagram below shows the working flow in default firmware of NDS01:
96 +
97 +
98 +== 2.2 Configure the NDS01 ==
99 +
100 +
101 +=== 2.2.1 Test Requirement ===
102 +
103 +
104 +To use NDS01 in your city, make sure meet below requirements:
105 +
106 +* Your local operator has already distributed a NB-IoT Network there.
107 +* The local NB-IoT network used the band that NDS01 supports.
108 +* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
109 +
110 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDS01 will use UDP(120.24.4.116:5601) or TCP(120.24.4.116:5600)protocol to send data to IoT server.
111 +
112 +
113 +[[image:1668224789474-811.png]]
114 +
115 +
116 +
117 +=== 2.2.1 Insert SIM card ===
118 +
119 +Insert the NB-IoT Card get from your provider.
120 +
121 +
122 +User need to take out the NB-IoT module and insert the SIM card like below:
123 +
124 +
125 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
126 +
127 +
128 +=== 2.2.3 Configure NDS01 ===
129 +
130 +User need to configure NDS01 via serial port to set the **Server Address** / **Uplink Topic** to define where and how-to uplink packets. NDS01 support AT Commands, user can use a USB to TTL adapter to connect to NDS01 and use AT Commands to configure it, NDS01 needs to be in the wake-up state when using AT commands,as below.
131 +
132 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
133 +
134 +
135 +
136 +Connection:
137 +
138 +USB TTL GND <~-~-~-~-> GND
139 +
140 +USB TTL TXD <~-~-~-~-> UART_RXD
141 +
142 +USB TTL RXD <~-~-~-~-> UART_TXD
143 +
144 +
145 +
146 +In the PC, use below serial tool settings:
147 +
148 +* Baud: **115200**
149 +* Data bits:** 8**
150 +* Stop bits: **1**
151 +* Parity: **None**
152 +* Flow Control: **None**
153 +
154 +After powering on the NDS01, the following information will be printed
155 +
156 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
157 +
158 +AT command set
159 +
160 +1. Set and query the communication protocol
161 +
162 + Send:  AT+PRO=<val>  Val: 0:TCP 1:UDP
163 +
164 + Reply: OK
165 +
166 + Send:  AT+PRO? ~/~/Inquire
167 +
168 + Reply: +PRO:0
169 +
170 +OK
171 +
172 +1. Set and query the server address
173 +
174 +Send: AT+SERVADDR=<server>,<port>        
175 +
176 + Reply: OK
177 +
178 +Send: AT+SERVADDR? ~/~/Inquire
179 +
180 +Reply: +SERVADDR:<server>,<port>
181 +
182 +OK
183 +
184 +1. Set and query the TDC
185 +
186 +Send:AT+TDC=<value>~/~/Heartbeat time, in seconds, the default is 86400s,which is 24 hours
187 +
188 +Reply:OK
189 +
190 +Send:AT+TDC?       ~/~/Inquire
191 +
192 +Reply: +TDC:<value>
193 +
194 +OK
195 +
196 +1. Query parameters
197 +
198 +Send:AT+CFG?            
199 +
200 +Reply:+PRO:0
201 +
202 ++SERVADDR:120.27.12.119,2023
203 +
204 ++TDC:86400
205 +
206 ++CSQ:31
207 +
208 ++IMEI:868163049937383
209 +
210 ++ICCID:898604611619C0854626
211 +
212 ++IMSI:460048118204626
213 +
214 +OK
215 +
216 +1. Set and query the APN
217 +
218 +Send: AT+APN="<apn>"             ~/~/Set APN          
219 +
220 + Reply: OK
221 +
222 +Send: AT+APN?     ~/~/Inquire
223 +
224 +Reply: +APN:"cmiot"
225 +
226 +OK
227 +
228 +1. Alarm and Silencer
229 +
230 +Send:AT+ALARM=<value>  ~/~/0~~1,0: mute 1: buzzer alarm (note that no data will be reported, only the buzzer and the red light are on, if it is in silent mode, only the red light is on)
231 +
232 +Reply: OK
233 +
234 +
235 +
236 +
237 +=== 2.2.4 Use UDP protocol to uplink data (Default protocol) ===
238 +
239 +* **AT+PRO=1   ** ~/~/ Set to use UDP protocol to uplink
240 +* **AT+SERVADDR=119.91.62.30,1999   **~/~/ to set UDP server address and port
241 +
242 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
243 +
244 +
245 +
246 +=== 2.2.5 Use TCP protocol to uplink data ===
247 +
248 +* **AT+PRO=0   ** ~/~/ Set to use TCP protocol to uplink
249 +* **AT+SERVADDR=119.91.62.30,2002   **~/~/ to set TCP server address and port
250 +
251 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
252 +
253 +
254 +
255 +
256 +=== 2.2.6 Change Update Interval ===
257 +
258 +User can use below command to change the **uplink interval**.
259 +
260 +**AT+TDC=86400      **~/~/ Set Update Interval to 86400s
261 +
262 +
263 +**NOTE:**
264 +
265 +1. By default, the device will send an uplink message every 24 hour (86400s).
266 +
267 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
268 +
269 +
270 +
271 +
272 +== 2.3 Uplink Payload ==
273 +
274 +registration package, uplink payload includes in total 61 bytes
275 +
276 +
277 +|(((
278 +**Size**
279 +
280 +**(bytes)**
281 +)))|**2**|**1**|**1**|**1**|**1**|**15**|**15**|**20**|**1**|**1**|**3**
282 +|**Value**|head|Version|data type|Data length|device type|device ID|IMSI|ICCID|BAT|Signal|tail
283 +
284 +The payload is ASCII string, representative same HEX: 0x4B5710013401383639393735303334343431303832343630313133313138373433373332
285 +
286 +38393836313132303232343031343339383736321E15494F54 where:
287 +
288 +* Head: 0x4B57(fixed)
289 +* Version: 0x10=”V1.0”
290 +* Data type: 0x01=1(1:register,2:data sending)
291 +* Data length: 0x34=52(Valid data is 52 bytes)
292 +
293 +* Device type: 0x01 = 1(Representative NDS01)
294 +* Device ID:0x383639393735303334343431303832=869975034441082(ASCII)
295 +* IMSI: 0x343630313133313138373433373332 = 460113118743732(ASCII)
296 +* ICCID: 0x3839383631313230323234303134333938373632=89861120224014398762(ASCII)
297 +* Bat: 0x1E = 30/10=3.0V
298 +* Signal: 0x15=21
299 +
300 +**0** -113dBm or less
301 +
302 +**1** -111dBm
303 +
304 +**2...30** -109dBm... -53dBm
305 +
306 +**31** -51dBm or greater
307 +
308 +**99** Not known or not detectable
309 +
310 +* Tail:0x494F54(fixed)
311 +
312 +data upload, uplink payload includes in total 32 bytes
313 +
314 +|(((
315 +**Size**
316 +
317 +**(bytes)**
318 +)))|**2**|**1**|**1**|**1**|**1**|**15**|**1**|**1**|**1**|**1**|**1**|**1**|**1**|**1**|**3**
319 +|**Value**|head|Version|data type|Data length|device type|device ID|event type|Door magnetic state|BAT|Signal|(((
320 +Temp
321 +
322 +integer
323 +)))|(((
324 +Temp
325 +
326 +decimal
327 +)))|(((
328 +Hum
329 +
330 +integer
331 +)))|(((
332 +Hum
333 +
334 +decimal
335 +)))|tail
336 +
337 +The payload is ASCII string, representative same HEX: 0x4B5710021401383639393735303334343431303832010020151c552312494F54 where:
338 +
339 +* Head: 0x4B57(fixed)
340 +* Version: 0x10=”V1.0”
341 +* Data type: 0x02=2(1:register,2:data sending)
342 +* Data length: 0x14=20(Valid data is 20 bytes)
343 +
344 +* Device type: 0x01 = 1(Representative NDS01)
345 +* Device ID:0x383639393735303334343431303832=869975034441082(ASCII)
346 +* Event type:0x01
347 +
348 + 01:TDC
349 +
350 + 02:alarm
351 +
352 + 03:remove alarm
353 +
354 + 04:dismantling alarm
355 +
356 + 05:remove demolition alarm
357 +
358 + 06:low voltage
359 +
360 + 07:remove low voltage
361 +
362 +* Door magnetic state: 0x00
363 +
364 + 00:Door sensor is close
365 +
366 + 01:Door sensor is open
367 +
368 +* Bat: 0x20 = 32/10=3.2V
369 +* Signal: 0x15=21
370 +
371 +**0** -113dBm or less
372 +
373 +**1** -111dBm
374 +
375 +**2...30** -109dBm... -53dBm
376 +
377 +**31** -51dBm or greater
378 +
379 +**99** Not known or not detectable
380 +
381 +* Temp integer:0x1c=28
382 +* Temp decimal:0x55=85
383 +
384 + Temp =Temp integer+(Temp decimal)/100=28+85/100=28.85℃
385 +
386 +* Hum integer:0x23=35
387 +* Hum decimal:0x12=18
388 +
389 + Hum =Hum integer+(Hum decimal)/100=35+18/100=35.18**%rh**
390 +
391 +* Tail:0x494F54(fixed)
392 +
393 +
394 +
395 +== 2.4 Node-Red Example ==
396 +
397 +Please refer to this link for the use of Node-RED:
398 +
399 +[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
400 +
401 +Please visit this link to download the Node-RED process:
402 +
403 +[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
404 +
405 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
406 +
407 +
408 +
409 +
410 +== 2.5 Buttons and LED and Mode ==
411 +
412 +Operating mode
413 +
414 +(1) In the self-check mode (the default is the self-check mode when power on for the first time), the state change of the tamper switch does not trigger an alarm;
415 +
416 +(2) In normal working mode, the state change of the tamper switch triggers an alarm;
417 +
418 +(3) In silent mode (the default is non-silent mode when power on for the first time), the buzzer is silent.
419 +
420 +
421 +led lights
422 +
423 +(1) After the device is powered on, the green light flashes once;
424 +
425 +(2) The device does not set server parameters or cannot connect to the server, and the green light flashes quickly;
426 +
427 +(3) SIM card recognition fails, the green light is always on for 20s;
428 +
429 +(4) The equipment signal is poor, and the green light flashes once every 3 seconds;
430 +
431 +(5) When the device sends data, the green light flashes twice;
432 +
433 +(6) The communication of the equipment is normal, and the green light flashes 3 times continuously;
434 +
435 +(7) Trigger the tamper switch, the red light is always on for 30s, and goes out when the alarm is canceled;
436 +
437 +(8) Trigger the door magnetic alarm, the red light is always on for 30s, and goes out when the alarm is canceled;
438 +
439 +
440 +buzzer
441 +
442 +(1) When the door magnetic alarm is triggered, the buzzer will sound for 30s; after the alarm is restored, the buzzer will be silenced;
443 +
444 +(2) Enter the normal working mode (the tamper switch is closed for more than 5s or the door sensor is locked for more than 5s), the buzzer will sound for 1500ms;
445 +
446 +(3) After entering the normal working mode, the tamper switch does not close, the buzzer sounds for 30s, the tamper switch is closed, and the buzzer sounds 1 time;
447 +
448 +(4) When the door sensor does not alarm, press the button to trigger the alarm, and the buzzer will sound for 30s; when the door sensor alarms, press it once to cancel the alarm, and the buzzer will be silenced.
449 +
450 +
451 +button
452 +
453 +(1) When there is no alarm, press it once to trigger the alarm, and the buzzer will sound; when it alarms, press the buzzer to silence the sound.
454 +
455 +(2) Press twice to silence the buzzer;
456 +
457 +(3) Press the button three times or more, when the mute function is turned off, the mute function is turned on, and the green light flashes once; when the mute function is turned on, the mute function is turned off, and the green light flashes once.
458 +
459 +
460 +data pack
461 +
462 +(1) The device needs to send a registration packet and a heartbeat packet every time it is powered on and registered;
463 +
464 +(2) The heartbeat time is reported once every 24 hours by default.
465 +
466 += 3. FAQ =
467 +
468 +== 3.1 How to Upgrade Firmware ==
469 +
470 +User can upgrade the firmware for 1) bug fix, 2) new feature release.
471 +
472 +Burning software please go to this link to download:
473 +
474 +Note:
475 +
476 +Disconnect one battery before starting the upgrade
477 +
478 +Please use 1.8V USB TO TTL serial port
479 +
480 +Connection:
481 +
482 +USB TTL GND <~-~-~-~-> GND
483 +
484 +USB TTL TXD <~-~-~-~-> UART_RXD
485 +
486 +USB TTL RXD <~-~-~-~-> UART_TXD
487 +
488 +1. Double-click "FlashTool.exe" to start the program
489 +
490 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
491 +
492 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
493 +
494 +1. Select burn serial port and firmware package to complete the upgrade
495 +
496 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
497 +
498 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
499 +
500 +1. Install the battery to the node, and the upgrade will start at this time
501 +
502 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
503 +
504 +1. The following screenshot appears, indicating that the upgrade has been successful
505 +
506 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
507 +
508 +
509 += 4. Order Info =
510 +
511 +Part Number: **NDS01**
512 +
513 +
514 += 5. Packing Info =
515 +
516 +
517 +**Package Includes**:
518 +
519 +* NDS01 NB-IoT Door Sensor
520 +
521 +**Dimension and weight**:
522 +
523 +* Device Size:
524 +* Device Weight:
525 +* Package Size / pcs :
526 +* Weight / pcs :
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