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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	(((
...	...	@@ -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
...	...	@@ -73,6 +73,7 @@
73	73
74	74	== 1.3  Specification ==
75	75
	78	+
76	76	(% style="color:#037691" %)**Common DC Characteristics:**
77	77
78	78	* Supply Voltage: 2.1v ~~ 3.6v
...	...	@@ -104,6 +104,7 @@
104	104
105	105	== ​1.4  Applications ==
106	106
	110	+
107	107	* Smart Buildings & Home Automation
108	108	* Logistics and Supply Chain Management
109	109	* Smart Metering
...	...	@@ -115,6 +115,8 @@
115	115	​
116	116
117	117
	122	+
	123	+
118	118	== 1.5  Pin Definitions ==
119	119
120	120
...	...	@@ -124,8 +124,10 @@
124	124
125	125	= 2.  Use NDDS75 to communicate with IoT Server =
126	126
	133	+
127	127	== 2.1  How it works ==
128	128
	136	+
129	129	(((
130	130	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.
131	131	)))
...	...	@@ -151,6 +151,7 @@
151	151
152	152	=== 2.2.1 Test Requirement ===
153	153
	162	+
154	154	(((
155	155	To use NDDS75 in your city, make sure meet below requirements:
156	156	)))
...	...	@@ -160,7 +160,7 @@
160	160	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
161	161
162	162	(((
163		-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
	172	+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.
164	164	)))
165	165
166	166
...	...	@@ -170,6 +170,7 @@
170	170
171	171	=== 2.2.2 Insert SIM card ===
172	172
	182	+
173	173	(((
174	174	Insert the NB-IoT Card get from your provider.
175	175	)))
...	...	@@ -185,6 +185,7 @@
185	185
186	186	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
187	187
	198	+
188	188	(((
189	189	(((
190	190	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.
...	...	@@ -193,15 +193,16 @@
193	193
194	194	[[image:image-20220709092052-2.png]]
195	195
196		-**Connection:**
197	197
198		- (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
	208	+(% style="color:blue" %)**Connection:**
199	199
200		- (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
	210	+ (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
201	201
202		- (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
	212	+**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
203	203
	214	+**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
204	204
	216	+
205	205	In the PC, use below serial tool settings:
206	206
207	207	* Baud:  (% style="color:green" %)**9600**
...	...	@@ -216,8 +216,9 @@
216	216
217	217	[[image:1657329814315-101.png]]
218	218
	231	+
219	219	(((
220		-(% 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/]]
	233	+(% 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]]**
221	221	)))
222	222
223	223
...	...	@@ -224,9 +224,10 @@
224	224
225	225	=== 2.2.4 Use CoAP protocol to uplink data ===
226	226
227		-(% 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/]]
228	228
	241	+(% 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/]]**
229	229
	243	+
230	230	(((
231	231	**Use below commands:**
232	232	)))
...	...	@@ -235,21 +235,29 @@
235	235	(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
236	236	)))
237	237	* (((
238		-(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
	252	+(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
239	239	)))
240	240	* (((
241		-(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
	255	+(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
	256	+
	257	+
	258	+
242	242	)))
243	243
244	244	(((
245	245	For parameter description, please refer to AT command set
	263	+
	264	+
246	246	)))
247	247
248	248	[[image:1657330452568-615.png]]
249	249
250	250
	270	+
251	251	(((
252	252	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.
	273	+
	274	+
253	253	)))
254	254
255	255	[[image:1657330472797-498.png]]
...	...	@@ -259,10 +259,12 @@
259	259	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
260	260
261	261
262		-* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
263		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
264		-* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
	284	+* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
	285	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
	286	+* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
265	265
	288	+
	289	+
266	266	[[image:1657330501006-241.png]]
267	267
268	268
...	...	@@ -273,13 +273,13 @@
273	273	=== 2.2.6 Use MQTT protocol to uplink data ===
274	274
275	275
276		-* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
277		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
278		-* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
279		-* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
280		-* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
281		-* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
282		-* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
	300	+* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
	301	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
	302	+* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
	303	+* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
	304	+* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
	305	+* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
	306	+* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
283	283
284	284	[[image:1657249978444-674.png]]
285	285
...	...	@@ -296,8 +296,8 @@
296	296	=== 2.2.7 Use TCP protocol to uplink data ===
297	297
298	298
299		-* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
300		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
	323	+* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
	324	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
301	301
302	302	[[image:image-20220709093918-1.png]]
303	303
...	...	@@ -308,25 +308,34 @@
308	308
309	309	=== 2.2.8 Change Update Interval ===
310	310
	335	+
311	311	User can use below command to change the (% style="color:green" %)**uplink interval**.
312	312
313		-* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
	338	+* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
314	314
315	315	(((
	341	+
	342	+
	343	+
316	316	(% style="color:red" %)**NOTE:**
317		-)))
318	318
319		-(((
320		-(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
	346	+(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
	347	+
	348	+(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
321	321	)))
322	322
	351	+(% 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).**
323	323
324	324
	354	+
325	325	== 2.3  Uplink Payload ==
326	326
327		-In this mode, uplink payload includes in total 14 bytes
328	328
	358	+=== 2.3.1  Before Firmware v1.3.2 ===
329	329
	360	+
	361	+In this mode, uplink payload includes in total 14 bytes
	362	+
330	330	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
331	331	|=(% style="width: 60px;" %)(((
332	332	**Size(bytes)**
...	...	@@ -340,8 +340,9 @@
340	340
341	341	[[image:1657331036973-987.png]]
342	342
	376	+
343	343	(((
344		-The payload is ASCII string, representative same HEX:
	378	+The payload is **ASCII** string, representative same HEX:
345	345	)))
346	346
347	347	(((
...	...	@@ -352,11 +352,11 @@
352	352	Device ID: 0x724031556159 = 724031556159
353	353	)))
354	354	* (((
355		-Version: 0x0064=100=1.0.0
	389	+Version:  0x0064=100=1.0.0
356	356	)))
357	357
358	358	* (((
359		-BAT: 0x0c6c = 3180 mV = 3.180V
	393	+BAT:  0x0c6c = 3180 mV = 3.180V
360	360	)))
361	361	* (((
362	362	Signal: 0x19 = 25
...	...	@@ -369,14 +369,49 @@
369	369
370	370
371	371
	406	+
372	372
373	373	)))
374	374
	410	+=== **2.3.2  Since firmware v1.3.2** ===
	411	+
	412	+
	413	+In this mode, uplink payload includes 69 bytes in total by default.
	414	+
	415	+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.
	416	+
	417	+(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
	418	+|(% 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
	419	+|(% 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.......
	420	+
	421	+If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
	422	+
	423	+[[image:image-20220908175246-1.png]]
	424	+
	425	+
	426	+The payload is ASCII string, representative same HEX:
	427	+
	428	+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:
	429	+
	430	+* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
	431	+* (% style="color:red" %)Version: 0x0084=132=1.3.2
	432	+* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
	433	+* (% style="color:blue" %)Singal: 0x1e = 30
	434	+* (% style="color:red" %)Mod: 0x01 = 1
	435	+* Interrupt: 0x00= 0
	436	+* Distance: 0x0039= 57 = 57
	437	+* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
	438	+* Distance,Time stamp : 00396319baf0
	439	+* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
	440	+
	441	+
	442	+
375	375	== 2.4  Payload Explanation and Sensor Interface ==
376	376
377	377
378	378	=== 2.4.1  Device ID ===
379	379
	448	+
380	380	(((
381	381	By default, the Device ID equal to the last 6 bytes of IMEI.
382	382	)))
...	...	@@ -383,10 +383,12 @@
383	383
384	384	(((
385	385	User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
	455	+
	456	+
386	386	)))
387	387
388	388	(((
389		-**Example:**
	460	+(% style="color:blue" %)**Example :**
390	390	)))
391	391
392	392	(((
...	...	@@ -394,13 +394,26 @@
394	394	)))
395	395
396	396	(((
397		-The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
	468	+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.
398	398	)))
399	399
400	400
	472	+(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
401	401
	474	+(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
	475	+
	476	+User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
	477	+
	478	+
	479	+(% style="color:blue" %)**Example :**
	480	+
	481	+AT+DEUI=868411056754138
	482	+
	483	+
	484	+
402	402	=== 2.4.2  Version Info ===
403	403
	487	+
404	404	(((
405	405	Specify the software version: 0x64=100, means firmware version 1.00.
406	406	)))
...	...	@@ -413,6 +413,7 @@
413	413
414	414	=== 2.4.3  Battery Info ===
415	415
	500	+
416	416	(((
417	417	Ex1: 0x0B45 = 2885mV
418	418	)))
...	...	@@ -425,6 +425,7 @@
425	425
426	426	=== 2.4.4  Signal Strength ===
427	427
	513	+
428	428	(((
429	429	NB-IoT Network signal Strength.
430	430	)))
...	...	@@ -457,6 +457,7 @@
457	457
458	458	=== 2.4.5  Distance ===
459	459
	546	+
460	460	Get the distance. Flat object range 280mm - 7500mm.
461	461
462	462	(((
...	...	@@ -479,6 +479,7 @@
479	479
480	480	=== 2.4.6  Digital Interrupt ===
481	481
	569	+
482	482	(((
483	483	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.
484	484	)))
...	...	@@ -488,7 +488,7 @@
488	488	)))
489	489
490	490	(((
491		-(% 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]])**.**
	579	+(% 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]])**.**
492	492	)))
493	493
494	494
...	...	@@ -513,6 +513,7 @@
513	513
514	514	=== 2.4.7  ​+5V Output ===
515	515
	604	+
516	516	(((
517	517	NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling.
518	518	)))
...	...	@@ -520,10 +520,14 @@
520	520
521	521	(((
522	522	The 5V output time can be controlled by AT Command.
	612	+
	613	+
523	523	)))
524	524
525	525	(((
526	526	(% style="color:blue" %)**AT+5VT=1000**
	618	+
	619	+
527	527	)))
528	528
529	529	(((
...	...	@@ -534,6 +534,7 @@
534	534
535	535	== 2.5  Downlink Payload ==
536	536
	630	+
537	537	By default, NDDS75 prints the downlink payload to console port.
538	538
539	539	[[image:image-20220709100028-1.png]]
...	...	@@ -584,9 +584,52 @@
584	584
585	585
586	586
587		-== 2.6  ​LED Indicator ==
	681	+== 2.6  Distance alarm function(Since firmware v1.3.2) ==
588	588
589	589
	684	+(% style="color:blue" %)** ➢ AT Command:**
	685	+
	686	+(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
	687	+
	688	+² When min=0, and max≠0, Alarm higher than max
	689	+
	690	+² When min≠0, and max=0, Alarm lower than min
	691	+
	692	+² When min≠0 and max≠0, Alarm higher than max or lower than min
	693	+
	694	+
	695	+(% style="color:blue" %)** Example:**
	696	+
	697	+**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
	698	+
	699	+
	700	+
	701	+== 2.7  Set the number of data to be uploaded and the recording time ==
	702	+
	703	+
	704	+(% style="color:blue" %)** ➢ AT Command:**
	705	+
	706	+* (% 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)
	707	+* (% 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.
	708	+
	709	+
	710	+
	711	+
	712	+== 2.8  Read or Clear cached data ==
	713	+
	714	+
	715	+(% style="color:blue" %)** ➢ AT Command:**
	716	+
	717	+* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
	718	+* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
	719	+
	720	+[[image:image-20220908175333-2.png]]
	721	+
	722	+
	723	+
	724	+== 2.9  ​LED Indicator ==
	725	+
	726	+
590	590	The NDDS75 has an internal LED which is to show the status of different state.
591	591
592	592
...	...	@@ -601,29 +601,29 @@
601	601
602	602
603	603
604		-== 2.7  ​Firmware Change Log ==
	741	+== 2.10  ​Firmware Change Log ==
605	605
606	606
607	607	(((
608		-Download URL & Firmware Change log
	745	+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]]
609	609	)))
610	610
611	611	(((
612		-[[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/]]
	749	+
613	613	)))
614	614
615		-
616	616	(((
617		-Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
	753	+Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
618	618	)))
619	619
620	620
621	621
622		-== 2.8  ​Battery Analysis ==
	758	+== 2.11  ​Battery Analysis ==
623	623
624		-=== 2.8.1  ​Battery Type ===
625	625
	761	+=== 2.11.1  ​Battery Type ===
626	626
	763	+
627	627	(((
628	628	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.
629	629	)))
...	...	@@ -646,8 +646,9 @@
646	646
647	647
648	648
649		-=== 2.8.2  Power consumption Analyze ===
	786	+=== 2.11.2  Power consumption Analyze ===
650	650
	788	+
651	651	(((
652	652	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.
653	653	)))
...	...	@@ -684,8 +684,9 @@
684	684
685	685
686	686
687		-=== 2.8.3  ​Battery Note ===
	825	+=== 2.11.3  ​Battery Note ===
688	688
	827	+
689	689	(((
690	690	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.
691	691	)))
...	...	@@ -692,8 +692,9 @@
692	692
693	693
694	694
695		-=== 2.8.4  Replace the battery ===
	834	+=== 2.11.4  Replace the battery ===
696	696
	836	+
697	697	(((
698	698	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).
699	699	)))
...	...	@@ -702,6 +702,7 @@
702	702
703	703	= 3. ​ Access NB-IoT Module =
704	704
	845	+
705	705	(((
706	706	Users can directly access the AT command set of the NB-IoT module.
707	707	)))
...	...	@@ -708,6 +708,8 @@
708	708
709	709	(((
710	710	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/]]
	852	+
	853	+
711	711	)))
712	712
713	713	[[image:1657333200519-600.png]]
...	...	@@ -716,84 +716,103 @@
716	716
717	717	= 4.  Using the AT Commands =
718	718
	862	+
719	719	== 4.1  Access AT Commands ==
720	720
721		-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/]]
722	722
	866	+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]]
723	723
724		-AT+<CMD>?  : Help on <CMD>
725	725
726		-AT+<CMD>         : Run <CMD>
	869	+AT+<CMD>?  :  Help on <CMD>
727	727
728		-AT+<CMD>=<value> : Set the value
	871	+AT+<CMD>         :  Run <CMD>
729	729
730		-AT+<CMD>=?  : Get the value
	873	+AT+<CMD>=<value> :  Set the value
731	731
	875	+AT+<CMD>=?  :  Get the value
732	732
	877	+
733	733	(% style="color:#037691" %)**General Commands**(%%)
734	734
735		-AT  : Attention
	880	+AT  :  Attention
736	736
737		-AT?  : Short Help
	882	+AT?  :  Short Help
738	738
739		-ATZ  : MCU Reset
	884	+ATZ  :  MCU Reset
740	740
741		-AT+TDC  : Application Data Transmission Interval
	886	+AT+TDC  :  Application Data Transmission Interval
742	742
743		-AT+CFG  : Print all configurations
	888	+AT+CFG  :  Print all configurations
744	744
745		-AT+CFGMOD           : Working mode selection
	890	+AT+CFGMOD           :  Working mode selection
746	746
747		-AT+INTMOD            : Set the trigger interrupt mode
	892	+AT+INTMOD            :  Set the trigger interrupt mode
748	748
749		-AT+5VT  : Set extend the time of 5V power
	894	+AT+5VT  :  Set extend the time of 5V power
750	750
751		-AT+PRO  : Choose agreement
	896	+AT+PRO  :  Choose agreement
752	752
753		-AT+WEIGRE  : Get weight or set weight to 0
	898	+AT+WEIGRE  :  Get weight or set weight to 0
754	754
755		-AT+WEIGAP  : Get or Set the GapValue of weight
	900	+AT+WEIGAP  :  Get or Set the GapValue of weight
756	756
757		-AT+RXDL  : Extend the sending and receiving time
	902	+AT+RXDL  :  Extend the sending and receiving time
758	758
759		-AT+CNTFAC  : Get or set counting parameters
	904	+AT+CNTFAC  :  Get or set counting parameters
760	760
761		-AT+SERVADDR  : Server Address
	906	+AT+SERVADDR  :  Server Address
762	762
	908	+AT+TR  :  Get or Set record time"
763	763
	910	+AT+APN     :  Get or set the APN
	911	+
	912	+AT+FBAND  :  Get or Set whether to automatically modify the frequency band
	913	+
	914	+AT+DNSCFG  : Get or Set DNS Server
	915	+
	916	+AT+GETSENSORVALUE   :  Returns the current sensor measurement
	917	+
	918	+AT+NOUD  :  Get or Set the number of data to be uploaded
	919	+
	920	+AT+CDP     :  Read or Clear cached data
	921	+
	922	+AT+LDDSALARM :  Get or Set alarm of distance
	923	+
	924	+
764	764	(% style="color:#037691" %)**COAP Management**
765	765
766		-AT+URI            : Resource parameters
	927	+AT+URI            :  Resource parameters
767	767
768	768
769	769	(% style="color:#037691" %)**UDP Management**
770	770
771		-AT+CFM          : Upload confirmation mode (only valid for UDP)
	932	+AT+CFM          :  Upload confirmation mode (only valid for UDP)
772	772
773	773
774	774	(% style="color:#037691" %)**MQTT Management**
775	775
776		-AT+CLIENT               : Get or Set MQTT client
	937	+AT+CLIENT  :  Get or Set MQTT client
777	777
778		-AT+UNAME  : Get or Set MQTT Username
	939	+AT+UNAME  :  Get or Set MQTT Username
779	779
780		-AT+PWD                  : Get or Set MQTT password
	941	+AT+PWD  :  Get or Set MQTT password
781	781
782		-AT+PUBTOPIC  : Get or Set MQTT publish topic
	943	+AT+PUBTOPIC  :  Get or Set MQTT publish topic
783	783
784		-AT+SUBTOPIC  : Get or Set MQTT subscription topic
	945	+AT+SUBTOPIC  :  Get or Set MQTT subscription topic
785	785
786	786
787	787	(% style="color:#037691" %)**Information**
788	788
789		-AT+FDR  : Factory Data Reset
	950	+AT+FDR  :  Factory Data Reset
790	790
791		-AT+PWORD  : Serial Access Password
	952	+AT+PWORD  :  Serial Access Password
792	792
793	793
794	794
795	795	= ​5.  FAQ =
796	796
	958	+
797	797	== 5.1 ​ How to Upgrade Firmware ==
798	798
799	799
...	...	@@ -806,7 +806,7 @@
806	806	)))
807	807
808	808	(((
809		-(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
	971	+(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
810	810	)))
811	811
812	812
...	...	@@ -813,6 +813,7 @@
813	813
814	814	= 6.  Trouble Shooting =
815	815
	978	+
816	816	== 6.1  ​Connection problem when uploading firmware ==
817	817
818	818
...	...	@@ -828,6 +828,7 @@
828	828
829	829	== 6.2  AT Command input doesn't work ==
830	830
	994	+
831	831	(((
832	832	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.
833	833
...	...	@@ -860,6 +860,7 @@
860	860	(((
861	861
862	862
	1027	+
863	863	(% style="color:#037691" %)**Dimension and weight**:
864	864
865	865	* Device Size: 13.0 x 5 x 4.5 cm
...	...	@@ -877,5 +877,6 @@
877	877
878	878	= 9.  Support =
879	879
	1045	+
880	880	* 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.
881	881	* 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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