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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
...	...	@@ -71,6 +71,8 @@
71	71
72	72
73	73
	76	+
	77	+
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
	88	+* - B1 @H-FDD: 2100MHz
	89	+* - B3 @H-FDD: 1800MHz
	90	+* - B8 @H-FDD: 900MHz
	91	+* - B5 @H-FDD: 850MHz
	92	+* - B20 @H-FDD: 800MHz
	93	+* - B28 @H-FDD: 700MHz
90	90
91	91	(% style="color:#037691" %)**Battery:**
92	92
...	...	@@ -103,6 +103,8 @@
103	103
104	104
105	105
	110	+
	111	+
106	106	== ​1.4  Applications ==
107	107
108	108
...	...	@@ -117,6 +117,8 @@
117	117	​
118	118
119	119
	126	+
	127	+
120	120	== 1.5  Pin Definitions ==
121	121
122	122
...	...	@@ -123,8 +123,10 @@
123	123	[[image:1657328609906-564.png]]
124	124
125	125
	134	+
126	126	= 2.  Use NDDS75 to communicate with IoT Server =
127	127
	137	+
128	128	== 2.1  How it works ==
129	129
130	130
...	...	@@ -147,8 +147,10 @@
147	147
148	148	)))
149	149
	160	+
150	150	== 2.2 ​ Configure the NDDS75 ==
151	151
	163	+
152	152	=== 2.2.1 Test Requirement ===
153	153
154	154
...	...	@@ -168,6 +168,7 @@
168	168	[[image:1657328756309-230.png]]
169	169
170	170
	183	+
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
	199	+
186	186	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
187	187
188	188
...	...	@@ -195,13 +195,13 @@
195	195	[[image:image-20220709092052-2.png]]
196	196
197	197
198		-(% style="color:blue" %)**Connection:**
	212	+**Connection:**
199	199
200		- (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
	214	+ (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
201	201
202		-**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
	216	+ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
203	203
204		-**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
	218	+ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
205	205
206	206
207	207	In the PC, use below serial tool settings:
...	...	@@ -224,6 +224,7 @@
224	224	)))
225	225
226	226
	241	+
227	227	=== 2.2.4 Use CoAP protocol to uplink data ===
228	228
229	229
...	...	@@ -238,11 +238,12 @@
238	238	(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
239	239	)))
240	240	* (((
241		-(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
	256	+(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
242	242	)))
243	243	* (((
244		-(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
	259	+(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
245	245
	261	+
246	246
247	247	)))
248	248
...	...	@@ -265,12 +265,13 @@
265	265	[[image:1657330472797-498.png]]
266	266
267	267
	284	+
268	268	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
269	269
270	270
271		-* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
272		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
273		-* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
	288	+* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
	289	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
	290	+* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
274	274
275	275	[[image:1657330501006-241.png]]
276	276
...	...	@@ -278,16 +278,17 @@
278	278	[[image:1657330533775-472.png]]
279	279
280	280
	298	+
281	281	=== 2.2.6 Use MQTT protocol to uplink data ===
282	282
283	283
284		-* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
285		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
286		-* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
287		-* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
288		-* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
289		-* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
290		-* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
	302	+* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
	303	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
	304	+* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
	305	+* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
	306	+* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
	307	+* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
	308	+* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
291	291
292	292	[[image:1657249978444-674.png]]
293	293
...	...	@@ -300,11 +300,12 @@
300	300	)))
301	301
302	302
	321	+
303	303	=== 2.2.7 Use TCP protocol to uplink data ===
304	304
305	305
306		-* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
307		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
	325	+* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
	326	+* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
308	308
309	309	[[image:image-20220709093918-1.png]]
310	310
...	...	@@ -312,16 +312,18 @@
312	312	[[image:image-20220709093918-2.png]]
313	313
314	314
	334	+
315	315	=== 2.2.8 Change Update Interval ===
316	316
317	317
318	318	User can use below command to change the (% style="color:green" %)**uplink interval**.
319	319
320		-* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
	340	+* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
321	321
322	322	(((
323	323
324	324
	345	+
325	325	(% style="color:red" %)**NOTE:**
326	326
327	327	(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
...	...	@@ -332,21 +332,23 @@
332	332	(% 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).**
333	333
334	334
	356	+
335	335	== 2.3  Uplink Payload ==
336	336
337		-=== 2.3.1  Before Firmware v1.3.2 ===
338	338
	360	+=== 2.3.1  Before Firmware 1.3.2 ===
339	339
	362	+
340	340	In this mode, uplink payload includes in total 14 bytes
341	341
342		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:440px" %)
343		-|=(% style="width: 61px;background-color:#D9E2F3;color:#0070C0" %)(((
	365	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
	366	+|=(% style="width: 60px;" %)(((
344	344	**Size(bytes)**
345		-)))|=(% style="width: 61px;background-color:#D9E2F3;color:#0070C0" %)**6**|=(% style="width: 37px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 37px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 82px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**1**
	368	+)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
346	346	|(% 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"]]
347	347
348	348	(((
349		-If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
	372	+If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
350	350	)))
351	351
352	352
...	...	@@ -353,35 +353,48 @@
353	353	[[image:1657331036973-987.png]]
354	354
355	355
	379	+(((
356	356	The payload is **ASCII** string, representative same HEX:
	381	+)))
357	357
358		-(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
	383	+(((
	384	+0x72403155615900640c6c19029200 where:
	385	+)))
359	359
360		-**where :**
	387	+* (((
	388	+Device ID: 0x724031556159 = 724031556159
	389	+)))
	390	+* (((
	391	+Version:  0x0064=100=1.0.0
	392	+)))
361	361
362		-* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
	394	+* (((
	395	+BAT:  0x0c6c = 3180 mV = 3.180V
	396	+)))
	397	+* (((
	398	+Signal: 0x19 = 25
	399	+)))
	400	+* (((
	401	+Distance: 0x0292= 658 mm
	402	+)))
	403	+* (((
	404	+Interrupt: 0x00 = 0
363	363
364		-* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
365	365
366		-* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
367	367
368		-* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
369	369
370		-* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
	409	+
	410	+)))
371	371
372		-* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
	412	+=== **2.3.2  Since firmware v1.3.2** ===
373	373
374	374
375		-
376		-=== 2.3.2  Since firmware v1.3.2 ===
377		-
378		-
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.
382	382
383		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:490px" %)
384		-|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**8**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:25px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**4**
	419	+(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
	420	+|(% 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
385	385	|(% 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.......
386	386
387	387	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
...	...	@@ -391,34 +391,26 @@
391	391
392	392	The payload is ASCII string, representative same HEX:
393	393
394		-**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
	430	+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:
395	395
396		-**where:**
	432	+* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
	433	+* (% style="color:red" %)Version: 0x0084=132=1.3.2
	434	+* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
	435	+* (% style="color:blue" %)Singal: 0x1e = 30
	436	+* (% style="color:red" %)Mod: 0x01 = 1
	437	+* Interrupt: 0x00= 0
	438	+* Distance: 0x0039= 57 = 57
	439	+* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
	440	+* Distance,Time stamp : 00396319baf0
	441	+* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
397	397
398		-* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
399	399
400		-* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
401	401
402		-* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
403	403
404		-* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
405	405
406		-* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
407		-
408		-* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
409		-
410		-* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
411		-
412		-* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
413		-
414		-* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
415		-
416		-* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
417		-
418		-
419		-
420	420	== 2.4  Payload Explanation and Sensor Interface ==
421	421
	449	+
422	422	=== 2.4.1  Device ID ===
423	423
424	424
...	...	@@ -457,6 +457,7 @@
457	457	AT+DEUI=868411056754138
458	458
459	459
	488	+
460	460	=== 2.4.2  Version Info ===
461	461
462	462
...	...	@@ -469,6 +469,7 @@
469	469	)))
470	470
471	471
	501	+
472	472	=== 2.4.3  Battery Info ===
473	473
474	474
...	...	@@ -481,6 +481,7 @@
481	481	)))
482	482
483	483
	514	+
484	484	=== 2.4.4  Signal Strength ===
485	485
486	486
...	...	@@ -513,6 +513,7 @@
513	513	)))
514	514
515	515
	547	+
516	516	=== 2.4.5  Distance ===
517	517
518	518
...	...	@@ -519,13 +519,23 @@
519	519	Get the distance. Flat object range 280mm - 7500mm.
520	520
521	521	(((
522		-For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.**
	554	+For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
523	523	)))
524	524
525	525	(((
	558	+(((
	559	+(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.**
	560	+)))
	561	+)))
	562	+
	563	+(((
526	526
527	527	)))
528	528
	567	+(((
	568	+
	569	+)))
	570	+
529	529	=== 2.4.6  Digital Interrupt ===
530	530
531	531
...	...	@@ -538,7 +538,7 @@
538	538	)))
539	539
540	540	(((
541		-(% 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]])**.**
	583	+(% 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]])**.**
542	542	)))
543	543
544	544
...	...	@@ -546,8 +546,9 @@
546	546	The lower four bits of this data field shows if this packet is generated by interrupt or not. Click here for the hardware and software set up.
547	547	)))
548	548
	591	+
549	549	(((
550		-**Example:**
	593	+Example:
551	551	)))
552	552
553	553	(((
...	...	@@ -559,6 +559,7 @@
559	559	)))
560	560
561	561
	605	+
562	562	=== 2.4.7  ​+5V Output ===
563	563
564	564
...	...	@@ -566,12 +566,17 @@
566	566	NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling.
567	567	)))
568	568
	613	+
569	569	(((
570	570	The 5V output time can be controlled by AT Command.
	616	+
	617	+
571	571	)))
572	572
573	573	(((
574	574	(% style="color:blue" %)**AT+5VT=1000**
	622	+
	623	+
575	575	)))
576	576
577	577	(((
...	...	@@ -579,17 +579,15 @@
579	579	)))
580	580
581	581
	631	+
582	582	== 2.5  Downlink Payload ==
583	583
584	584
585	585	By default, NDDS75 prints the downlink payload to console port.
586	586
587		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
588		-|(% style="background-color:#d9e2f3; color:#0070c0; width:208px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:56px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:154px" %)**Downlink payload size(bytes)**
589		-|(% style="width:208px" %)TDC (Transmit Time Interval)|(% style="width:56px" %)Any|(% style="width:100px" %)01|(% style="width:154px" %)4
590		-|(% style="width:208px" %)RESET|(% style="width:56px" %)Any|(% style="width:100px" %)04|(% style="width:154px" %)2
591		-|(% style="width:208px" %)INTMOD|(% style="width:56px" %)Any|(% style="width:100px" %)06|(% style="width:154px" %)4
	637	+[[image:image-20220709100028-1.png]]
592	592
	639	+
593	593	(((
594	594	(% style="color:blue" %)**Examples:**
595	595	)))
...	...	@@ -634,6 +634,7 @@
634	634	)))
635	635
636	636
	684	+
637	637	== 2.6  Distance alarm function(Since firmware v1.3.2) ==
638	638
639	639
...	...	@@ -653,17 +653,16 @@
653	653	**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
654	654
655	655
	704	+
656	656	== 2.7  Set the number of data to be uploaded and the recording time ==
657	657
658	658
659	659	(% style="color:blue" %)** ➢ AT Command:**
660	660
661		-* (% 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)
662		-* (% 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.
	710	+* (% 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)
	711	+* (% 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.
663	663
664		- The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
665	665
666		-[[image:image-20221009001114-1.png||height="687" width="955"]]
667	667
668	668
669	669	== 2.8  Read or Clear cached data ==
...	...	@@ -671,12 +671,15 @@
671	671
672	672	(% style="color:blue" %)** ➢ AT Command:**
673	673
674		-* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
675		-* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
	721	+* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/ Read cached data
	722	+* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
676	676
	724	+
	725	+
677	677	[[image:image-20220908175333-2.png]]
678	678
679	679
	729	+
680	680	== 2.9  ​LED Indicator ==
681	681
682	682
...	...	@@ -693,6 +693,7 @@
693	693	)))
694	694
695	695
	746	+
696	696	== 2.10  ​Firmware Change Log ==
697	697
698	698
...	...	@@ -701,18 +701,100 @@
701	701	)))
702	702
703	703	(((
	755	+
	756	+)))
	757	+
	758	+(((
704	704	Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
705	705	)))
706	706
707	707
708		-== 2.11 Battery & Power Consumption ==
709	709
	764	+== 2.11  ​Battery Analysis ==
710	710
711		-NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
712	712
713		-[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	767	+=== 2.11.1  ​Battery Type ===
714	714
715	715
	770	+(((
	771	+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.
	772	+)))
	773	+
	774	+(((
	775	+The battery is designed to last for several years depends on the actually use environment and update interval.
	776	+)))
	777	+
	778	+(((
	779	+The battery related documents as below:
	780	+)))
	781	+
	782	+* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	783	+* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	784	+* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	785	+
	786	+(((
	787	+[[image:image-20220709101450-2.png]]
	788	+)))
	789	+
	790	+
	791	+
	792	+=== 2.11.2  Power consumption Analyze ===
	793	+
	794	+
	795	+(((
	796	+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.
	797	+)))
	798	+
	799	+
	800	+(((
	801	+Instruction to use as below:
	802	+)))
	803	+
	804	+(((
	805	+(% 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/]]
	806	+)))
	807	+
	808	+
	809	+(((
	810	+(% style="color:blue" %)**Step 2: **(%%) Open it and choose
	811	+)))
	812	+
	813	+* (((
	814	+Product Model
	815	+)))
	816	+* (((
	817	+Uplink Interval
	818	+)))
	819	+* (((
	820	+Working Mode
	821	+)))
	822	+
	823	+(((
	824	+And the Life expectation in difference case will be shown on the right.
	825	+)))
	826	+
	827	+[[image:image-20220709110451-3.png]]
	828	+
	829	+
	830	+
	831	+=== 2.11.3  ​Battery Note ===
	832	+
	833	+
	834	+(((
	835	+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.
	836	+)))
	837	+
	838	+
	839	+
	840	+=== 2.11.4  Replace the battery ===
	841	+
	842	+
	843	+(((
	844	+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).
	845	+)))
	846	+
	847	+
	848	+
716	716	= 3. ​ Access NB-IoT Module =
717	717
718	718
...	...	@@ -729,8 +729,10 @@
729	729	[[image:1657333200519-600.png]]
730	730
731	731
	865	+
732	732	= 4.  Using the AT Commands =
733	733
	868	+
734	734	== 4.1  Access AT Commands ==
735	735
736	736
...	...	@@ -737,94 +737,96 @@
737	737	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]]
738	738
739	739
740		-AT+<CMD>?  :  Help on <CMD>
	875	+AT+<CMD>?  : Help on <CMD>
741	741
742		-AT+<CMD>         :  Run <CMD>
	877	+AT+<CMD>         : Run <CMD>
743	743
744		-AT+<CMD>=<value> :  Set the value
	879	+AT+<CMD>=<value> : Set the value
745	745
746		-AT+<CMD>=?  :  Get the value
	881	+AT+<CMD>=?  : Get the value
747	747
748	748
749	749	(% style="color:#037691" %)**General Commands**(%%)
750	750
751		-AT  :  Attention
	886	+AT  : Attention
752	752
753		-AT?  :  Short Help
	888	+AT?  : Short Help
754	754
755		-ATZ  :  MCU Reset
	890	+ATZ  : MCU Reset
756	756
757		-AT+TDC  :  Application Data Transmission Interval
	892	+AT+TDC  : Application Data Transmission Interval
758	758
759		-AT+CFG  :  Print all configurations
	894	+AT+CFG  : Print all configurations
760	760
761		-AT+CFGMOD           :  Working mode selection
	896	+AT+CFGMOD           : Working mode selection
762	762
763		-AT+INTMOD            :  Set the trigger interrupt mode
	898	+AT+INTMOD            : Set the trigger interrupt mode
764	764
765		-AT+5VT  :  Set extend the time of 5V power
	900	+AT+5VT  : Set extend the time of 5V power
766	766
767		-AT+PRO  :  Choose agreement
	902	+AT+PRO  : Choose agreement
768	768
769		-AT+WEIGRE  :  Get weight or set weight to 0
	904	+AT+WEIGRE  : Get weight or set weight to 0
770	770
771		-AT+WEIGAP  :  Get or Set the GapValue of weight
	906	+AT+WEIGAP  : Get or Set the GapValue of weight
772	772
773		-AT+RXDL  :  Extend the sending and receiving time
	908	+AT+RXDL  : Extend the sending and receiving time
774	774
775		-AT+CNTFAC  :  Get or set counting parameters
	910	+AT+CNTFAC  : Get or set counting parameters
776	776
777		-AT+SERVADDR  :  Server Address
	912	+AT+SERVADDR  : Server Address
778	778
779		-AT+TR  :  Get or Set record time"
	914	+AT+TR      : Get or Set record time"
780	780
781		-AT+APN     :  Get or set the APN
	916	+AT+APN     : Get or set the APN
782	782
783		-AT+FBAND  :  Get or Set whether to automatically modify the frequency band
	918	+AT+FBAND   : Get or Set whether to automatically modify the frequency band
784	784
785		-AT+DNSCFG  : Get or Set DNS Server
	920	+AT+DNSCFG  : Get or Set DNS Server
786	786
787		-AT+GETSENSORVALUE   :  Returns the current sensor measurement
	922	+AT+GETSENSORVALUE   : Returns the current sensor measurement
788	788
789		-AT+NOUD  :  Get or Set the number of data to be uploaded
	924	+AT+NOUD      : Get or Set the number of data to be uploaded
790	790
791		-AT+CDP     :  Read or Clear cached data
	926	+AT+CDP     : Read or Clear cached data
792	792
793		-AT+LDDSALARM :  Get or Set alarm of distance
	928	+AT+LDDSALARM : Get or Set alarm of distance
794	794
795	795
796	796	(% style="color:#037691" %)**COAP Management**
797	797
798		-AT+URI            :  Resource parameters
	933	+AT+URI            : Resource parameters
799	799
800	800
801	801	(% style="color:#037691" %)**UDP Management**
802	802
803		-AT+CFM          :  Upload confirmation mode (only valid for UDP)
	938	+AT+CFM          : Upload confirmation mode (only valid for UDP)
804	804
805	805
806	806	(% style="color:#037691" %)**MQTT Management**
807	807
808		-AT+CLIENT  :  Get or Set MQTT client
	943	+AT+CLIENT               : Get or Set MQTT client
809	809
810		-AT+UNAME  :  Get or Set MQTT Username
	945	+AT+UNAME  : Get or Set MQTT Username
811	811
812		-AT+PWD  :  Get or Set MQTT password
	947	+AT+PWD                  : Get or Set MQTT password
813	813
814		-AT+PUBTOPIC  :  Get or Set MQTT publish topic
	949	+AT+PUBTOPIC  : Get or Set MQTT publish topic
815	815
816		-AT+SUBTOPIC  :  Get or Set MQTT subscription topic
	951	+AT+SUBTOPIC  : Get or Set MQTT subscription topic
817	817
818	818
819	819	(% style="color:#037691" %)**Information**
820	820
821		-AT+FDR  :  Factory Data Reset
	956	+AT+FDR  : Factory Data Reset
822	822
823		-AT+PWORD  :  Serial Access Password
	958	+AT+PWORD  : Serial Access Password
824	824
825	825
	961	+
826	826	= ​5.  FAQ =
827	827
	964	+
828	828	== 5.1 ​ How to Upgrade Firmware ==
829	829
830	830
...	...	@@ -841,8 +841,10 @@
841	841	)))
842	842
843	843
	981	+
844	844	= 6.  Trouble Shooting =
845	845
	984	+
846	846	== 6.1  ​Connection problem when uploading firmware ==
847	847
848	848
...	...	@@ -855,20 +855,17 @@
855	855
856	856	)))
857	857
	997	+
858	858	== 6.2  AT Command input doesn't work ==
859	859
860	860
861	861	(((
862	862	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.
	1003	+
	1004	+
863	863	)))
864	864
865	865
866		-== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
867		-
868		-
869		-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]]//**.
870		-
871		-
872	872	= 7. ​ Order Info =
873	873
874	874
...	...	@@ -875,6 +875,11 @@
875	875	Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
876	876
877	877
	1014	+(% class="wikigeneratedid" %)
	1015	+(((
	1016	+
	1017	+)))
	1018	+
878	878	= 8.  Packing Info =
879	879
880	880	(((
...	...	@@ -889,6 +889,7 @@
889	889	(((
890	890
891	891
	1033	+
892	892	(% style="color:#037691" %)**Dimension and weight**:
893	893
894	894	* Device Size: 13.0 x 5 x 4.5 cm
...	...	@@ -900,6 +900,7 @@
900	900	(((
901	901
902	902
	1045	+
903	903
904	904	)))
905	905
...	...	@@ -907,5 +907,4 @@
907	907
908	908
909	909	* 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.
910		-
911	911	* 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]]

image-20221009001114-1.png

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