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...	...	@@ -16,6 +16,7 @@
16	16
17	17	= 1.  Introduction =
18	18
	19	+
19	19	== 1.1 ​ What is NDDS75 Distance Detection Sensor ==
20	20
21	21	(((
...	...	@@ -53,6 +53,7 @@
53	53	[[image:1657327959271-447.png]]
54	54
55	55
	57	+
56	56	== 1.2 ​ Features ==
57	57
58	58
...	...	@@ -70,7 +70,6 @@
70	70	* 8500mAh Battery for long term use
71	71
72	72
73		-
74	74	== 1.3  Specification ==
75	75
76	76
...	...	@@ -81,12 +81,12 @@
81	81
82	82	(% style="color:#037691" %)**NB-IoT Spec:**
83	83
84		-* B1 @H-FDD: 2100MHz
85		-* B3 @H-FDD: 1800MHz
86		-* B8 @H-FDD: 900MHz
87		-* B5 @H-FDD: 850MHz
88		-* B20 @H-FDD: 800MHz
89		-* B28 @H-FDD: 700MHz
	85	+* - B1 @H-FDD: 2100MHz
	86	+* - B3 @H-FDD: 1800MHz
	87	+* - B8 @H-FDD: 900MHz
	88	+* - B5 @H-FDD: 850MHz
	89	+* - B20 @H-FDD: 800MHz
	90	+* - B28 @H-FDD: 700MHz
90	90
91	91	(% style="color:#037691" %)**Battery:**
92	92
...	...	@@ -102,7 +102,6 @@
102	102	* Max transmit power: 350mA@3.3v
103	103
104	104
105		-
106	106	== ​1.4  Applications ==
107	107
108	108
...	...	@@ -117,6 +117,7 @@
117	117	​
118	118
119	119
	120	+
120	120	== 1.5  Pin Definitions ==
121	121
122	122
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123	123	[[image:1657328609906-564.png]]
124	124
125	125
	127	+
126	126	= 2.  Use NDDS75 to communicate with IoT Server =
127	127
	130	+
128	128	== 2.1  How it works ==
129	129
130	130
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147	147
148	148	)))
149	149
	153	+
150	150	== 2.2 ​ Configure the NDDS75 ==
151	151
	156	+
152	152	=== 2.2.1 Test Requirement ===
153	153
154	154
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168	168	[[image:1657328756309-230.png]]
169	169
170	170
	176	+
171	171	=== 2.2.2 Insert SIM card ===
172	172
173	173
...	...	@@ -183,6 +183,7 @@
183	183	[[image:1657328884227-504.png]]
184	184
185	185
	192	+
186	186	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
187	187
188	188
...	...	@@ -224,6 +224,7 @@
224	224	)))
225	225
226	226
	234	+
227	227	=== 2.2.4 Use CoAP protocol to uplink data ===
228	228
229	229
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266	266	[[image:1657330472797-498.png]]
267	267
268	268
	277	+
269	269	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
270	270
271	271
...	...	@@ -279,6 +279,7 @@
279	279	[[image:1657330533775-472.png]]
280	280
281	281
	291	+
282	282	=== 2.2.6 Use MQTT protocol to uplink data ===
283	283
284	284
...	...	@@ -301,6 +301,7 @@
301	301	)))
302	302
303	303
	314	+
304	304	=== 2.2.7 Use TCP protocol to uplink data ===
305	305
306	306
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313	313	[[image:image-20220709093918-2.png]]
314	314
315	315
	327	+
316	316	=== 2.2.8 Change Update Interval ===
317	317
318	318
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334	334	(% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
335	335
336	336
	349	+
337	337	== 2.3  Uplink Payload ==
338	338
	352	+
339	339	=== 2.3.1  Before Firmware v1.3.2 ===
340	340
341	341
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348	348	|(% 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"]]
349	349
350	350	(((
351		-If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
	365	+If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
352	352	)))
353	353
354	354
...	...	@@ -355,6 +355,7 @@
355	355	[[image:1657331036973-987.png]]
356	356
357	357
	372	+
358	358	The payload is **ASCII** string, representative same HEX:
359	359
360	360	(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
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373	373
374	374	* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
375	375
376		-=== 2.3.2  Since firmware v1.3.2 ===
377	377
	392	+=== **2.3.2  Since firmware v1.3.2** ===
378	378
	394	+
379	379	In this mode, uplink payload includes 69 bytes in total by default.
380	380
381	381	Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
...	...	@@ -403,7 +403,7 @@
403	403
404	404	* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
405	405
406		-* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
	422	+* (% style="color:#037691" %)**Mod:**(%%)**  **0x01 = 1
407	407
408	408	* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
409	409
...	...	@@ -415,8 +415,10 @@
415	415
416	416	* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
417	417
	434	+
418	418	== 2.4  Payload Explanation and Sensor Interface ==
419	419
	437	+
420	420	=== 2.4.1  Device ID ===
421	421
422	422
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455	455	AT+DEUI=868411056754138
456	456
457	457
	476	+
458	458	=== 2.4.2  Version Info ===
459	459
460	460
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467	467	)))
468	468
469	469
	489	+
470	470	=== 2.4.3  Battery Info ===
471	471
472	472
...	...	@@ -479,6 +479,7 @@
479	479	)))
480	480
481	481
	502	+
482	482	=== 2.4.4  Signal Strength ===
483	483
484	484
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511	511	)))
512	512
513	513
	535	+
514	514	=== 2.4.5  Distance ===
515	515
516	516
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530	530
531	531	)))
532	532
	555	+(((
	556	+
	557	+)))
	558	+
533	533	=== 2.4.6  Digital Interrupt ===
534	534
535	535
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564	564	)))
565	565
566	566
	593	+
567	567	=== 2.4.7  ​+5V Output ===
568	568
569	569
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589	589	)))
590	590
591	591
	619	+
592	592	== 2.5  Downlink Payload ==
593	593
594	594
...	...	@@ -641,6 +641,7 @@
641	641	)))
642	642
643	643
	672	+
644	644	== 2.6  Distance alarm function(Since firmware v1.3.2) ==
645	645
646	646
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660	660	**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
661	661
662	662
	692	+
663	663	== 2.7  Set the number of data to be uploaded and the recording time ==
664	664
665	665
...	...	@@ -673,6 +673,7 @@
673	673	[[image:image-20221009001114-1.png||height="687" width="955"]]
674	674
675	675
	706	+
676	676	== 2.8  Read or Clear cached data ==
677	677
678	678
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684	684	[[image:image-20220908175333-2.png]]
685	685
686	686
	718	+
687	687	== 2.9  ​LED Indicator ==
688	688
689	689
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700	700	)))
701	701
702	702
	735	+
703	703	== 2.10  ​Firmware Change Log ==
704	704
705	705
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708	708	)))
709	709
710	710	(((
	744	+
	745	+)))
	746	+
	747	+(((
711	711	Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
712	712	)))
713	713
714	714
715		-== 2.11 Battery & Power Consumption ==
716	716
	753	+== 2.11  ​Battery Analysis ==
717	717
718		-NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
719	719
720		-[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	756	+=== 2.11.1  ​Battery Type ===
721	721
722	722
	759	+(((
	760	+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.
	761	+)))
	762	+
	763	+(((
	764	+The battery is designed to last for several years depends on the actually use environment and update interval.
	765	+)))
	766	+
	767	+(((
	768	+The battery related documents as below:
	769	+)))
	770	+
	771	+* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	772	+* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	773	+* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	774	+
	775	+(((
	776	+[[image:image-20220709101450-2.png]]
	777	+)))
	778	+
	779	+
	780	+
	781	+=== 2.11.2  Power consumption Analyze ===
	782	+
	783	+
	784	+(((
	785	+Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
	786	+)))
	787	+
	788	+
	789	+(((
	790	+Instruction to use as below:
	791	+)))
	792	+
	793	+(((
	794	+(% 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/]]
	795	+)))
	796	+
	797	+
	798	+(((
	799	+(% style="color:blue" %)**Step 2: **(%%) Open it and choose
	800	+)))
	801	+
	802	+* (((
	803	+Product Model
	804	+)))
	805	+* (((
	806	+Uplink Interval
	807	+)))
	808	+* (((
	809	+Working Mode
	810	+)))
	811	+
	812	+(((
	813	+And the Life expectation in difference case will be shown on the right.
	814	+)))
	815	+
	816	+[[image:image-20220709110451-3.png]]
	817	+
	818	+
	819	+
	820	+=== 2.11.3  ​Battery Note ===
	821	+
	822	+
	823	+(((
	824	+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.
	825	+)))
	826	+
	827	+
	828	+
	829	+=== 2.11.4  Replace the battery ===
	830	+
	831	+
	832	+(((
	833	+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).
	834	+)))
	835	+
	836	+
	837	+
723	723	= 3. ​ Access NB-IoT Module =
724	724
725	725
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736	736	[[image:1657333200519-600.png]]
737	737
738	738
	854	+
739	739	= 4.  Using the AT Commands =
740	740
	857	+
741	741	== 4.1  Access AT Commands ==
742	742
743	743
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830	830	AT+PWORD  :  Serial Access Password
831	831
832	832
	950	+
833	833	= ​5.  FAQ =
834	834
	953	+
835	835	== 5.1 ​ How to Upgrade Firmware ==
836	836
837	837
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848	848	)))
849	849
850	850
	970	+
851	851	= 6.  Trouble Shooting =
852	852
	973	+
853	853	== 6.1  ​Connection problem when uploading firmware ==
854	854
855	855
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862	862
863	863	)))
864	864
	986	+
865	865	== 6.2  AT Command input doesn't work ==
866	866
867	867
868	868	(((
869	869	In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
	992	+
	993	+
870	870	)))
871	871
872	872
873		-== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
874		-
875		-
876		-This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
877		-
878		-
879	879	= 7. ​ Order Info =
880	880
881	881
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882	882	Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
883	883
884	884
	1003	+(% class="wikigeneratedid" %)
	1004	+(((
	1005	+
	1006	+)))
	1007	+
885	885	= 8.  Packing Info =
886	886
887	887	(((
...	...	@@ -896,6 +896,7 @@
896	896	(((
897	897
898	898
	1022	+
899	899	(% style="color:#037691" %)**Dimension and weight**:
900	900
901	901	* Device Size: 13.0 x 5 x 4.5 cm
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907	907	(((
908	908
909	909
	1034	+
910	910
911	911	)))
912	912
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914	914
915	915
916	916	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
917		-
918	918	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]