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7		-**Table of Contents：**
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9		-{{toc/}}
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	12	+
	13	+
14	14	= 1. Introduction =
15	15
16	16	== 1.1 ​What is NDS01 NB-IoT Door Sensor ==
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78	78	* Micro SIM card slot for NB-IoT SIM
79	79	* 2 x AAA LR03 Batteries
80	80
81		-
82		-
83		-
84	84	== 1.4  ​Applications ==
85	85
86	86
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89	89	* Smart Cities
90	90	* Smart Factory
91	91
92		-
93		-
94		-
95	95	= 2. Use NDS01 to communicate with IoT Server =
96	96
97	97	== 2.1 How it works ==
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151	151	In the PC, use below serial tool settings:
152	152
153	153	* Baud:  (% style="color:green" %)**9600**
154		-
155	155	* Data bits:**  (% style="color:green" %)8(%%)**
156		-
157	157	* Stop bits:  (% style="color:green" %)**1**
158		-
159	159	* Parity:  (% style="color:green" %)**None**
160		-
161	161	* Flow Control: (% style="color:green" %)**None**
162	162
163	163	After powering on the NDS01, the following information will be printed
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252	252
253	253
254	254	* (% style="color:blue" %)**AT+PRO=1   **(%%) ~/~/ Set to use UDP protocol to uplink
255		-
256	256	* (% style="color:blue" %)**AT+SERVADDR=119.91.62.30,1999   ** (%%) ~/~/ to set UDP server address and port
257	257
258	258	[[image:1668231759500-524.png]]
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263	263
264	264
265	265	* (% style="color:blue" %)**AT+PRO=0   ** (%%) ~/~/ Set to use TCP protocol to uplink
266		-
267	267	* (% style="color:blue" %)**AT+SERVADDR=119.91.62.30,2002   **(%%) ~/~/ to set TCP server address and port
268	268
269	269	[[image:1668231789502-211.png]]
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293	293	registration package, uplink payload includes in total 61 bytes
294	294
295	295
296		-(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
	284	+(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
297	297	|(% style="width:60px" %)(((
298	298	**Size(bytes)**
299	299	)))|(% style="width:30px" %)**2**|(% style="width:40px" %)**1**|(% style="width:50px" %)**1**|(% style="width:50px" %)**1**|(% style="width:60px" %)**1**|(% style="width:50px" %)**15**|(% style="width:40px" %)**15**|(% style="width:30px" %)**30**|(% style="width:30px" %)**1**|(% style="width:30px" %)**1**|(% style="width:30px" %)**3**
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355	355	Hum decimal
356	356	)))|(% style="width:38px" %)tail
357	357
	346	+
358	358	The payload is ASCII string, representative same HEX: **0x (% style="color:red" %)4B57 (% style="color:blue" %)10 (% style="color:green" %)02 (% style="color:#00b0f0" %)14 (% style="color:#7030a0" %)01 (% style="color:#d60093" %)383639393735303334343431303832 (% style="color:#a14d07" %)01 (% style="color:#0020b0" %)00 (% style="color:#420042" %)20 (% style="color:#663300" %)15 (% style="color:#660066" %)1c (% style="color:#aaaa40" %)55 (% style="color:#abaa70" %)23 (% style="color:#ba5a70" %)12 (% style="color:purple" %)454F54 (%%)**
359	359
360	360	**where:**
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421	421
422	422	* (% style="color:#037691" %)**Tail:** (%%)0x494F54(fixed)
423	423
424		-
425		-
426		-
427	427	== 2.4 Node-Red Example ==
428	428
429	429
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497	497	(2) The heartbeat time is reported once every 24 hours by default.
498	498
499	499
500		-
501	501	= 3. FAQ =
502	502
503	503	== 3.1 How to Upgrade Firmware ==