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Author

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1		-XWiki.Xiaoling
	1	+XWiki.David

Content

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16	16
17	17	= 1.  Introduction =
18	18
	19	+
19	19	== 1.1 ​ What is NDDS75 Distance Detection Sensor ==
20	20
21	21	(((
...	...	@@ -56,6 +56,7 @@
56	56
57	57	== 1.2 ​ Features ==
58	58
	60	+
59	59	* NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
60	60	* Ultra low power consumption
61	61	* Distance Detection by Ultrasonic technology
...	...	@@ -69,6 +69,7 @@
69	69	* Micro SIM card slot for NB-IoT SIM
70	70	* 8500mAh Battery for long term use
71	71
	74	+
72	72	== 1.3  Specification ==
73	73
74	74
...	...	@@ -99,8 +99,10 @@
99	99	* STOP Mode: 10uA @ 3.3v
100	100	* Max transmit power: 350mA@3.3v
101	101
	105	+
102	102	== ​1.4  Applications ==
103	103
	108	+
104	104	* Smart Buildings & Home Automation
105	105	* Logistics and Supply Chain Management
106	106	* Smart Metering
...	...	@@ -112,6 +112,8 @@
112	112	​
113	113
114	114
	120	+
	121	+
115	115	== 1.5  Pin Definitions ==
116	116
117	117
...	...	@@ -121,8 +121,10 @@
121	121
122	122	= 2.  Use NDDS75 to communicate with IoT Server =
123	123
	131	+
124	124	== 2.1  How it works ==
125	125
	134	+
126	126	(((
127	127	The NDDS75 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.
128	128	)))
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148	148
149	149	=== 2.2.1 Test Requirement ===
150	150
	160	+
151	151	(((
152	152	To use NDDS75 in your city, make sure meet below requirements:
153	153	)))
...	...	@@ -157,7 +157,7 @@
157	157	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
158	158
159	159	(((
160		-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
	170	+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.
161	161	)))
162	162
163	163
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167	167
168	168	=== 2.2.2 Insert SIM card ===
169	169
	180	+
170	170	(((
171	171	Insert the NB-IoT Card get from your provider.
172	172	)))
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182	182
183	183	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
184	184
	196	+
185	185	(((
186	186	(((
187	187	User need to configure NDDS75 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 to NDDS75 and use AT Commands to configure it, as below.
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190	190
191	191	[[image:image-20220709092052-2.png]]
192	192
	205	+
193	193	**Connection:**
194	194
195	195	(% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
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213	213
214	214	[[image:1657329814315-101.png]]
215	215
	229	+
216	216	(((
217		-(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]
	231	+(% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)**[[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]**
218	218	)))
219	219
220	220
...	...	@@ -221,9 +221,10 @@
221	221
222	222	=== 2.2.4 Use CoAP protocol to uplink data ===
223	223
224		-(% 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/]]
225	225
	239	+(% 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/]]**
226	226
	241	+
227	227	(((
228	228	**Use below commands:**
229	229	)))
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236	236	)))
237	237	* (((
238	238	(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
	254	+
	255	+
	256	+
239	239	)))
240	240
241	241	(((
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245	245	[[image:1657330452568-615.png]]
246	246
247	247
	266	+
248	248	(((
249	249	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.
250	250	)))
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305	305
306	306	=== 2.2.8 Change Update Interval ===
307	307
	327	+
308	308	User can use below command to change the (% style="color:green" %)**uplink interval**.
309	309
310	310	* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
311	311
312	312	(((
313		-(% style="color:red" %)**NOTE:**
314		-)))
	333	+(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
315	315
316		-(((
317		-(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
	335	+
318	318	)))
319	319
	338	+**NOTE:When the firmware version is v1.3.2 and later firmware:**
320	320
	340	+**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).**
321	321
	342	+
322	322	== 2.3  Uplink Payload ==
323	323
	345	+
324	324	In this mode, uplink payload includes in total 14 bytes
325	325
326	326
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337	337
338	338	[[image:1657331036973-987.png]]
339	339
	362	+
340	340	(((
341	341	The payload is ASCII string, representative same HEX:
342	342	)))
...	...	@@ -364,16 +364,43 @@
364	364	* (((
365	365	Interrupt: 0x00 = 0
366	366
367		-
368		-
369	369
370	370	)))
371	371
	393	+**NOTE:When the firmware version is v1.3.2 and later firmware:**
	394	+
	395	+In this mode, uplink payload includes 69 bytes in total by default.
	396	+
	397	+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.
	398	+
	399	+|**Size(bytes)**|**8**|2|2|1|1|1|2|4|2|4
	400	+|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Distance|Timestamp|Distance|Timestamp.......
	401	+
	402	+If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
	403	+
	404	+[[image:image-20220908175246-1.png]]
	405	+
	406	+The payload is ASCII string, representative same HEX:
	407	+
	408	+0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where:
	409	+
	410	+* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
	411	+* (% style="color:red" %)Version: 0x0084=132=1.3.2
	412	+* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
	413	+* (% style="color:blue" %)Singal: 0x1e = 30
	414	+* (% style="color:red" %)Mod: 0x01 = 1
	415	+* Interrupt: 0x00= 0
	416	+* Distance: 0x0039= 57 = 57
	417	+* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
	418	+* Distance,Time stamp : 00396319baf0
	419	+* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
	420	+
372	372	== 2.4  Payload Explanation and Sensor Interface ==
373	373
374	374
375	375	=== 2.4.1  Device ID ===
376	376
	426	+
377	377	(((
378	378	By default, the Device ID equal to the last 6 bytes of IMEI.
379	379	)))
...	...	@@ -380,6 +380,8 @@
380	380
381	381	(((
382	382	User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
	433	+
	434	+
383	383	)))
384	384
385	385	(((
...	...	@@ -395,9 +395,19 @@
395	395	)))
396	396
397	397
	450	+**NOTE:When the firmware version is v1.3.2 and later firmware:**
398	398
	452	+By default, the Device ID equal to the last 15 bits of IMEI.
	453	+
	454	+User can use **AT+DEUI** to set Device ID
	455	+
	456	+**Example:**
	457	+
	458	+AT+DEUI=868411056754138
	459	+
399	399	=== 2.4.2  Version Info ===
400	400
	462	+
401	401	(((
402	402	Specify the software version: 0x64=100, means firmware version 1.00.
403	403	)))
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410	410
411	411	=== 2.4.3  Battery Info ===
412	412
	475	+
413	413	(((
414	414	Ex1: 0x0B45 = 2885mV
415	415	)))
...	...	@@ -422,6 +422,7 @@
422	422
423	423	=== 2.4.4  Signal Strength ===
424	424
	488	+
425	425	(((
426	426	NB-IoT Network signal Strength.
427	427	)))
...	...	@@ -454,6 +454,7 @@
454	454
455	455	=== 2.4.5  Distance ===
456	456
	521	+
457	457	Get the distance. Flat object range 280mm - 7500mm.
458	458
459	459	(((
...	...	@@ -476,6 +476,7 @@
476	476
477	477	=== 2.4.6  Digital Interrupt ===
478	478
	544	+
479	479	(((
480	480	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.
481	481	)))
...	...	@@ -510,6 +510,7 @@
510	510
511	511	=== 2.4.7  ​+5V Output ===
512	512
	579	+
513	513	(((
514	514	NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling.
515	515	)))
...	...	@@ -517,10 +517,14 @@
517	517
518	518	(((
519	519	The 5V output time can be controlled by AT Command.
	587	+
	588	+
520	520	)))
521	521
522	522	(((
523	523	(% style="color:blue" %)**AT+5VT=1000**
	593	+
	594	+
524	524	)))
525	525
526	526	(((
...	...	@@ -531,6 +531,7 @@
531	531
532	532	== 2.5  Downlink Payload ==
533	533
	605	+
534	534	By default, NDDS75 prints the downlink payload to console port.
535	535
536	536	[[image:image-20220709100028-1.png]]
...	...	@@ -580,10 +580,44 @@
580	580	)))
581	581
582	582
	655	+== 2.6 Distance alarm function ==
583	583
584		-== 2.6  ​LED Indicator ==
	657	+➢ AT Command:
585	585
	659	+AT+ LDDSALARM=min,max
586	586
	661	+² When min=0, and max≠0, Alarm higher than max
	662	+
	663	+² When min≠0, and max=0, Alarm lower than min
	664	+
	665	+² When min≠0 and max≠0, Alarm higher than max or lower than min
	666	+
	667	+Example:
	668	+
	669	+AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
	670	+
	671	+
	672	+== 2.7 Set the number of data to be uploaded and the recording time ==
	673	+
	674	+➢ AT Command:
	675	+
	676	+AT+TR=900  ~/~/The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
	677	+
	678	+AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
	679	+
	680	+== 2.8 Read or Clear cached data ==
	681	+
	682	+➢ AT Command:
	683	+
	684	+AT+CDP ~/~/ Read cached data
	685	+
	686	+[[image:image-20220908175333-2.png]]
	687	+
	688	+AT+CDP=0 ~/~/ Clear cached data
	689	+
	690	+== 2.9  ​LED Indicator ==
	691	+
	692	+
587	587	The NDDS75 has an internal LED which is to show the status of different state.
588	588
589	589
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598	598
599	599
600	600
601		-== 2.7  ​Firmware Change Log ==
	707	+== 2.10  ​Firmware Change Log ==
602	602
603	603
604	604	(((
605		-Download URL & Firmware Change log
	711	+Download URL & Firmware Change log:  [[https:~~/~~/www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0>>https://www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0]]
606	606	)))
607	607
608	608	(((
609		-[[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/]]
	715	+
610	610	)))
611	611
612		-
613	613	(((
614		-Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
	719	+Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
615	615	)))
616	616
617	617
618	618
619		-== 2.8  ​Battery Analysis ==
	724	+== 2.11  ​Battery Analysis ==
620	620
621		-=== 2.8.1  ​Battery Type ===
622	622
	727	+=== 2.11.1  ​Battery Type ===
623	623
	729	+
624	624	(((
625	625	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.
626	626	)))
...	...	@@ -643,8 +643,9 @@
643	643
644	644
645	645
646		-=== 2.8.2  Power consumption Analyze ===
	752	+=== 2.11.2  Power consumption Analyze ===
647	647
	754	+
648	648	(((
649	649	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.
650	650	)))
...	...	@@ -681,8 +681,9 @@
681	681
682	682
683	683
684		-=== 2.8.3  ​Battery Note ===
	791	+=== 2.11.3  ​Battery Note ===
685	685
	793	+
686	686	(((
687	687	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.
688	688	)))
...	...	@@ -689,8 +689,9 @@
689	689
690	690
691	691
692		-=== 2.8.4  Replace the battery ===
	800	+=== 2.11.4  Replace the battery ===
693	693
	802	+
694	694	(((
695	695	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).
696	696	)))
...	...	@@ -699,6 +699,7 @@
699	699
700	700	= 3. ​ Access NB-IoT Module =
701	701
	811	+
702	702	(((
703	703	Users can directly access the AT command set of the NB-IoT module.
704	704	)))
...	...	@@ -705,6 +705,8 @@
705	705
706	706	(((
707	707	The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]]
	818	+
	819	+
708	708	)))
709	709
710	710	[[image:1657333200519-600.png]]
...	...	@@ -713,11 +713,13 @@
713	713
714	714	= 4.  Using the AT Commands =
715	715
	828	+
716	716	== 4.1  Access AT Commands ==
717	717
718		-See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
719	719
	832	+See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]
720	720
	834	+
721	721	AT+<CMD>?  : Help on <CMD>
722	722
723	723	AT+<CMD>         : Run <CMD>
...	...	@@ -757,7 +757,23 @@
757	757
758	758	AT+SERVADDR  : Server Address
759	759
	874	+AT+TR      : Get or Set record time"
760	760
	876	+AT+APN     : Get or set the APN
	877	+
	878	+AT+FBAND   : Get or Set whether to automatically modify the frequency band
	879	+
	880	+AT+DNSCFG  : Get or Set DNS Server
	881	+
	882	+AT+GETSENSORVALUE   : Returns the current sensor measurement
	883	+
	884	+AT+NOUD      : Get or Set the number of data to be uploaded
	885	+
	886	+AT+CDP     : Read or Clear cached data
	887	+
	888	+AT+LDDSALARM : Get or Set alarm of distance
	889	+
	890	+
761	761	(% style="color:#037691" %)**COAP Management**
762	762
763	763	AT+URI            : Resource parameters
...	...	@@ -791,6 +791,7 @@
791	791
792	792	= ​5.  FAQ =
793	793
	924	+
794	794	== 5.1 ​ How to Upgrade Firmware ==
795	795
796	796
...	...	@@ -803,7 +803,7 @@
803	803	)))
804	804
805	805	(((
806		-(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
	937	+(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
807	807	)))
808	808
809	809
...	...	@@ -810,6 +810,7 @@
810	810
811	811	= 6.  Trouble Shooting =
812	812
	944	+
813	813	== 6.1  ​Connection problem when uploading firmware ==
814	814
815	815
...	...	@@ -825,6 +825,7 @@
825	825
826	826	== 6.2  AT Command input doesn't work ==
827	827
	960	+
828	828	(((
829	829	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.
830	830
...	...	@@ -857,6 +857,7 @@
857	857	(((
858	858
859	859
	993	+
860	860	(% style="color:#037691" %)**Dimension and weight**:
861	861
862	862	* Device Size: 13.0 x 5 x 4.5 cm
...	...	@@ -874,5 +874,6 @@
874	874
875	875	= 9.  Support =
876	876
	1011	+
877	877	* 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.
878	878	* 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]]

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