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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

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
...	...	@@ -101,6 +101,7 @@
101	101
102	102	== ​1.4  Applications ==
103	103
	106	+
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
	118	+
	119	+
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
	129	+
124	124	== 2.1  How it works ==
125	125
	132	+
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	)))
...	...	@@ -148,6 +148,7 @@
148	148
149	149	=== 2.2.1 Test Requirement ===
150	150
	158	+
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
	168	+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
...	...	@@ -167,6 +167,7 @@
167	167
168	168	=== 2.2.2 Insert SIM card ===
169	169
	178	+
170	170	(((
171	171	Insert the NB-IoT Card get from your provider.
172	172	)))
...	...	@@ -182,6 +182,7 @@
182	182
183	183	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
184	184
	194	+
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.
...	...	@@ -190,15 +190,16 @@
190	190
191	191	[[image:image-20220709092052-2.png]]
192	192
193		-**Connection:**
194	194
195		- (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
	204	+(% style="color:blue" %)**Connection:**
196	196
197		- (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
	206	+ (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
198	198
199		- (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
	208	+**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
200	200
	210	+**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
201	201
	212	+
202	202	In the PC, use below serial tool settings:
203	203
204	204	* Baud:  (% style="color:green" %)**9600**
...	...	@@ -213,8 +213,9 @@
213	213
214	214	[[image:1657329814315-101.png]]
215	215
	227	+
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/]]
	229	+(% 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
	237	+(% 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
	239	+
227	227	(((
228	228	**Use below commands:**
229	229	)))
...	...	@@ -232,21 +232,29 @@
232	232	(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
233	233	)))
234	234	* (((
235		-(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
	248	+(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
236	236	)))
237	237	* (((
238		-(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
	251	+(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
	252	+
	253	+
	254	+
239	239	)))
240	240
241	241	(((
242	242	For parameter description, please refer to AT command set
	259	+
	260	+
243	243	)))
244	244
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.
	269	+
	270	+
250	250	)))
251	251
252	252	[[image:1657330472797-498.png]]
...	...	@@ -256,9 +256,9 @@
256	256	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
257	257
258	258
259		-* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
260		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
261		-* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
	280	+* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
	281	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
	282	+* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
262	262
263	263	[[image:1657330501006-241.png]]
264	264
...	...	@@ -270,13 +270,13 @@
270	270	=== 2.2.6 Use MQTT protocol to uplink data ===
271	271
272	272
273		-* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
274		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
275		-* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
276		-* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
277		-* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
278		-* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
279		-* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
	294	+* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
	295	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
	296	+* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
	297	+* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
	298	+* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
	299	+* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
	300	+* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
280	280
281	281	[[image:1657249978444-674.png]]
282	282
...	...	@@ -293,8 +293,8 @@
293	293	=== 2.2.7 Use TCP protocol to uplink data ===
294	294
295	295
296		-* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
297		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
	317	+* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
	318	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
298	298
299	299	[[image:image-20220709093918-1.png]]
300	300
...	...	@@ -305,25 +305,34 @@
305	305
306	306	=== 2.2.8 Change Update Interval ===
307	307
	329	+
308	308	User can use below command to change the (% style="color:green" %)**uplink interval**.
309	309
310		-* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
	332	+* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
311	311
312	312	(((
	335	+
	336	+
	337	+
313	313	(% style="color:red" %)**NOTE:**
314		-)))
315	315
316		-(((
317		-(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
	340	+(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
	341	+
	342	+(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
318	318	)))
319	319
	345	+(% 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).**
320	320
321	321
	348	+
322	322	== 2.3  Uplink Payload ==
323	323
324		-In this mode, uplink payload includes in total 14 bytes
325	325
	352	+=== 2.3.1  Before Firmware v1.3.2 ===
326	326
	354	+
	355	+In this mode, uplink payload includes in total 14 bytes
	356	+
327	327	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
328	328	|=(% style="width: 60px;" %)(((
329	329	**Size(bytes)**
...	...	@@ -337,8 +337,9 @@
337	337
338	338	[[image:1657331036973-987.png]]
339	339
	370	+
340	340	(((
341		-The payload is ASCII string, representative same HEX:
	372	+The payload is **ASCII** string, representative same HEX:
342	342	)))
343	343
344	344	(((
...	...	@@ -349,11 +349,11 @@
349	349	Device ID: 0x724031556159 = 724031556159
350	350	)))
351	351	* (((
352		-Version: 0x0064=100=1.0.0
	383	+Version:  0x0064=100=1.0.0
353	353	)))
354	354
355	355	* (((
356		-BAT: 0x0c6c = 3180 mV = 3.180V
	387	+BAT:  0x0c6c = 3180 mV = 3.180V
357	357	)))
358	358	* (((
359	359	Signal: 0x19 = 25
...	...	@@ -366,14 +366,47 @@
366	366
367	367
368	368
	400	+
369	369
370	370	)))
371	371
	404	+=== **2.3.2  Since firmware v1.3.2** ===
	405	+
	406	+
	407	+In this mode, uplink payload includes 69 bytes in total by default.
	408	+
	409	+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.
	410	+
	411	+(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
	412	+|(% style="width:95px" %)**Size(bytes)**|(% style="width:84px" %)**8**|(% style="width:44px" %)2|(% style="width:48px" %)2|(% style="width:123px" %)1|(% style="width:55px" %)1|(% style="width:80px" %)1|(% style="width:77px" %)2|(% style="width:94px" %)4|(% style="width:77px" %)2|(% style="width:116px" %)4
	413	+|(% style="width:95px" %)**Value**|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
	414	+
	415	+If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
	416	+
	417	+[[image:image-20220908175246-1.png]]
	418	+
	419	+
	420	+The payload is ASCII string, representative same HEX:
	421	+
	422	+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:
	423	+
	424	+* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
	425	+* (% style="color:red" %)Version: 0x0084=132=1.3.2
	426	+* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
	427	+* (% style="color:blue" %)Singal: 0x1e = 30
	428	+* (% style="color:red" %)Mod: 0x01 = 1
	429	+* Interrupt: 0x00= 0
	430	+* Distance: 0x0039= 57 = 57
	431	+* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
	432	+* Distance,Time stamp : 00396319baf0
	433	+* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
	434	+
372	372	== 2.4  Payload Explanation and Sensor Interface ==
373	373
374	374
375	375	=== 2.4.1  Device ID ===
376	376
	440	+
377	377	(((
378	378	By default, the Device ID equal to the last 6 bytes of IMEI.
379	379	)))
...	...	@@ -380,10 +380,12 @@
380	380
381	381	(((
382	382	User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
	447	+
	448	+
383	383	)))
384	384
385	385	(((
386		-**Example:**
	452	+(% style="color:blue" %)**Example :**
387	387	)))
388	388
389	389	(((
...	...	@@ -391,13 +391,26 @@
391	391	)))
392	392
393	393	(((
394		-The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
	460	+The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
395	395	)))
396	396
397	397
	464	+(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
398	398
	466	+(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
	467	+
	468	+User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
	469	+
	470	+
	471	+(% style="color:blue" %)**Example :**
	472	+
	473	+AT+DEUI=868411056754138
	474	+
	475	+
	476	+
399	399	=== 2.4.2  Version Info ===
400	400
	479	+
401	401	(((
402	402	Specify the software version: 0x64=100, means firmware version 1.00.
403	403	)))
...	...	@@ -410,6 +410,7 @@
410	410
411	411	=== 2.4.3  Battery Info ===
412	412
	492	+
413	413	(((
414	414	Ex1: 0x0B45 = 2885mV
415	415	)))
...	...	@@ -422,6 +422,7 @@
422	422
423	423	=== 2.4.4  Signal Strength ===
424	424
	505	+
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
	538	+
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
	561	+
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	)))
...	...	@@ -485,7 +485,7 @@
485	485	)))
486	486
487	487	(((
488		-(% 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]])**.**
	571	+(% 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]])**.**
489	489	)))
490	490
491	491
...	...	@@ -510,6 +510,7 @@
510	510
511	511	=== 2.4.7  ​+5V Output ===
512	512
	596	+
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.
	604	+
	605	+
520	520	)))
521	521
522	522	(((
523	523	(% style="color:blue" %)**AT+5VT=1000**
	610	+
	611	+
524	524	)))
525	525
526	526	(((
...	...	@@ -531,6 +531,7 @@
531	531
532	532	== 2.5  Downlink Payload ==
533	533
	622	+
534	534	By default, NDDS75 prints the downlink payload to console port.
535	535
536	536	[[image:image-20220709100028-1.png]]
...	...	@@ -581,9 +581,55 @@
581	581
582	582
583	583
584		-== 2.6  ​LED Indicator ==
	673	+== 2.6  Distance alarm function(Since firmware v1.3.2) ==
585	585
586	586
	676	+(% style="color:blue" %)** ➢ AT Command:**
	677	+
	678	+(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
	679	+
	680	+² When min=0, and max≠0, Alarm higher than max
	681	+
	682	+² When min≠0, and max=0, Alarm lower than min
	683	+
	684	+² When min≠0 and max≠0, Alarm higher than max or lower than min
	685	+
	686	+
	687	+(% style="color:blue" %)** Example:**
	688	+
	689	+**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
	690	+
	691	+
	692	+
	693	+== 2.7  Set the number of data to be uploaded and the recording time ==
	694	+
	695	+
	696	+(% style="color:blue" %)** ➢ AT Command:**
	697	+
	698	+* (% style="color:#037691" %)** 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)
	699	+* (% style="color:#037691" %)** AT+NOUD=8**             (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
	700	+
	701	+ The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
	702	+
	703	+[[image:image-20221009001114-1.png||height="687" width="955"]]
	704	+
	705	+
	706	+
	707	+== 2.8  Read or Clear cached data ==
	708	+
	709	+
	710	+(% style="color:blue" %)** ➢ AT Command:**
	711	+
	712	+* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
	713	+* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
	714	+
	715	+[[image:image-20220908175333-2.png]]
	716	+
	717	+
	718	+
	719	+== 2.9  ​LED Indicator ==
	720	+
	721	+
587	587	The NDDS75 has an internal LED which is to show the status of different state.
588	588
589	589
...	...	@@ -598,29 +598,29 @@
598	598
599	599
600	600
601		-== 2.7  ​Firmware Change Log ==
	736	+== 2.10  ​Firmware Change Log ==
602	602
603	603
604	604	(((
605		-Download URL & Firmware Change log
	740	+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/]]
	744	+
610	610	)))
611	611
612		-
613	613	(((
614		-Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
	748	+Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
615	615	)))
616	616
617	617
618	618
619		-== 2.8  ​Battery Analysis ==
	753	+== 2.11  ​Battery Analysis ==
620	620
621		-=== 2.8.1  ​Battery Type ===
622	622
	756	+=== 2.11.1  ​Battery Type ===
623	623
	758	+
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 ===
	781	+=== 2.11.2  Power consumption Analyze ===
647	647
	783	+
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 ===
	820	+=== 2.11.3  ​Battery Note ===
685	685
	822	+
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 ===
	829	+=== 2.11.4  Replace the battery ===
693	693
	831	+
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
	840	+
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/]]
	847	+
	848	+
708	708	)))
709	709
710	710	[[image:1657333200519-600.png]]
...	...	@@ -713,84 +713,103 @@
713	713
714	714	= 4.  Using the AT Commands =
715	715
	857	+
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
	861	+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
721		-AT+<CMD>?  : Help on <CMD>
722	722
723		-AT+<CMD>         : Run <CMD>
	864	+AT+<CMD>?  :  Help on <CMD>
724	724
725		-AT+<CMD>=<value> : Set the value
	866	+AT+<CMD>         :  Run <CMD>
726	726
727		-AT+<CMD>=?  : Get the value
	868	+AT+<CMD>=<value> :  Set the value
728	728
	870	+AT+<CMD>=?  :  Get the value
729	729
	872	+
730	730	(% style="color:#037691" %)**General Commands**(%%)
731	731
732		-AT  : Attention
	875	+AT  :  Attention
733	733
734		-AT?  : Short Help
	877	+AT?  :  Short Help
735	735
736		-ATZ  : MCU Reset
	879	+ATZ  :  MCU Reset
737	737
738		-AT+TDC  : Application Data Transmission Interval
	881	+AT+TDC  :  Application Data Transmission Interval
739	739
740		-AT+CFG  : Print all configurations
	883	+AT+CFG  :  Print all configurations
741	741
742		-AT+CFGMOD           : Working mode selection
	885	+AT+CFGMOD           :  Working mode selection
743	743
744		-AT+INTMOD            : Set the trigger interrupt mode
	887	+AT+INTMOD            :  Set the trigger interrupt mode
745	745
746		-AT+5VT  : Set extend the time of 5V power
	889	+AT+5VT  :  Set extend the time of 5V power
747	747
748		-AT+PRO  : Choose agreement
	891	+AT+PRO  :  Choose agreement
749	749
750		-AT+WEIGRE  : Get weight or set weight to 0
	893	+AT+WEIGRE  :  Get weight or set weight to 0
751	751
752		-AT+WEIGAP  : Get or Set the GapValue of weight
	895	+AT+WEIGAP  :  Get or Set the GapValue of weight
753	753
754		-AT+RXDL  : Extend the sending and receiving time
	897	+AT+RXDL  :  Extend the sending and receiving time
755	755
756		-AT+CNTFAC  : Get or set counting parameters
	899	+AT+CNTFAC  :  Get or set counting parameters
757	757
758		-AT+SERVADDR  : Server Address
	901	+AT+SERVADDR  :  Server Address
759	759
	903	+AT+TR  :  Get or Set record time"
760	760
	905	+AT+APN     :  Get or set the APN
	906	+
	907	+AT+FBAND  :  Get or Set whether to automatically modify the frequency band
	908	+
	909	+AT+DNSCFG  : Get or Set DNS Server
	910	+
	911	+AT+GETSENSORVALUE   :  Returns the current sensor measurement
	912	+
	913	+AT+NOUD  :  Get or Set the number of data to be uploaded
	914	+
	915	+AT+CDP     :  Read or Clear cached data
	916	+
	917	+AT+LDDSALARM :  Get or Set alarm of distance
	918	+
	919	+
761	761	(% style="color:#037691" %)**COAP Management**
762	762
763		-AT+URI            : Resource parameters
	922	+AT+URI            :  Resource parameters
764	764
765	765
766	766	(% style="color:#037691" %)**UDP Management**
767	767
768		-AT+CFM          : Upload confirmation mode (only valid for UDP)
	927	+AT+CFM          :  Upload confirmation mode (only valid for UDP)
769	769
770	770
771	771	(% style="color:#037691" %)**MQTT Management**
772	772
773		-AT+CLIENT               : Get or Set MQTT client
	932	+AT+CLIENT  :  Get or Set MQTT client
774	774
775		-AT+UNAME  : Get or Set MQTT Username
	934	+AT+UNAME  :  Get or Set MQTT Username
776	776
777		-AT+PWD                  : Get or Set MQTT password
	936	+AT+PWD  :  Get or Set MQTT password
778	778
779		-AT+PUBTOPIC  : Get or Set MQTT publish topic
	938	+AT+PUBTOPIC  :  Get or Set MQTT publish topic
780	780
781		-AT+SUBTOPIC  : Get or Set MQTT subscription topic
	940	+AT+SUBTOPIC  :  Get or Set MQTT subscription topic
782	782
783	783
784	784	(% style="color:#037691" %)**Information**
785	785
786		-AT+FDR  : Factory Data Reset
	945	+AT+FDR  :  Factory Data Reset
787	787
788		-AT+PWORD  : Serial Access Password
	947	+AT+PWORD  :  Serial Access Password
789	789
790	790
791	791
792	792	= ​5.  FAQ =
793	793
	953	+
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.
	966	+(% 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
	973	+
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
	989	+
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
	1022	+
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
	1040	+
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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