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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
...	...	@@ -79,12 +79,12 @@
79	79
80	80	(% style="color:#037691" %)**NB-IoT Spec:**
81	81
82		-* B1 @H-FDD: 2100MHz
83		-* B3 @H-FDD: 1800MHz
84		-* B8 @H-FDD: 900MHz
85		-* B5 @H-FDD: 850MHz
86		-* B20 @H-FDD: 800MHz
87		-* B28 @H-FDD: 700MHz
	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	88
89	89	(% style="color:#037691" %)**Battery:**
90	90
...	...	@@ -113,6 +113,8 @@
113	113	​
114	114
115	115
	118	+
	119	+
116	116	== 1.5  Pin Definitions ==
117	117
118	118
...	...	@@ -119,8 +119,10 @@
119	119	[[image:1657328609906-564.png]]
120	120
121	121
	126	+
122	122	= 2.  Use NDDS75 to communicate with IoT Server =
123	123
	129	+
124	124	== 2.1  How it works ==
125	125
126	126
...	...	@@ -143,8 +143,10 @@
143	143
144	144	)))
145	145
	152	+
146	146	== 2.2 ​ Configure the NDDS75 ==
147	147
	155	+
148	148	=== 2.2.1 Test Requirement ===
149	149
150	150
...	...	@@ -164,6 +164,7 @@
164	164	[[image:1657328756309-230.png]]
165	165
166	166
	175	+
167	167	=== 2.2.2 Insert SIM card ===
168	168
169	169
...	...	@@ -179,6 +179,7 @@
179	179	[[image:1657328884227-504.png]]
180	180
181	181
	191	+
182	182	=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
183	183
184	184
...	...	@@ -191,13 +191,13 @@
191	191	[[image:image-20220709092052-2.png]]
192	192
193	193
194		-(% style="color:blue" %)**Connection:**
	204	+**Connection:**
195	195
196		- (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
	206	+ (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
197	197
198		-**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
	208	+ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
199	199
200		-**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
	210	+ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
201	201
202	202
203	203	In the PC, use below serial tool settings:
...	...	@@ -220,6 +220,7 @@
220	220	)))
221	221
222	222
	233	+
223	223	=== 2.2.4 Use CoAP protocol to uplink data ===
224	224
225	225
...	...	@@ -234,10 +234,10 @@
234	234	(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
235	235	)))
236	236	* (((
237		-(% 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
238	238	)))
239	239	* (((
240		-(% 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
241	241
242	242
243	243
...	...	@@ -262,12 +262,13 @@
262	262	[[image:1657330472797-498.png]]
263	263
264	264
	276	+
265	265	=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
266	266
267	267
268		-* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
269		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
270		-* (% 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
271	271
272	272	[[image:1657330501006-241.png]]
273	273
...	...	@@ -275,16 +275,17 @@
275	275	[[image:1657330533775-472.png]]
276	276
277	277
	290	+
278	278	=== 2.2.6 Use MQTT protocol to uplink data ===
279	279
280	280
281		-* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
282		-* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
283		-* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
284		-* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
285		-* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
286		-* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
287		-* (% 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
288	288
289	289	[[image:1657249978444-674.png]]
290	290
...	...	@@ -297,11 +297,12 @@
297	297	)))
298	298
299	299
	313	+
300	300	=== 2.2.7 Use TCP protocol to uplink data ===
301	301
302	302
303		-* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
304		-* (% 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
305	305
306	306	[[image:image-20220709093918-1.png]]
307	307
...	...	@@ -309,42 +309,42 @@
309	309	[[image:image-20220709093918-2.png]]
310	310
311	311
	326	+
312	312	=== 2.2.8 Change Update Interval ===
313	313
314	314
315	315	User can use below command to change the (% style="color:green" %)**uplink interval**.
316	316
317		-* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
	332	+* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
318	318
319	319	(((
320		-
	335	+(% style="color:red" %)**NOTE 1: By default, the device will send an uplink message every 1 hour.**
321	321
322		-
323		-(% style="color:red" %)**NOTE:**
324		-
325		-(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
326		-
327		-(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
	337	+
328	328	)))
329	329
	340	+(% style="color:red" %)**NOTE 2: When the firmware version is v1.3.2 and later firmware:**
	341	+
330	330	(% 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).**
331	331
332	332
	345	+
333	333	== 2.3  Uplink Payload ==
334	334
335		-=== 2.3.1  Before Firmware v1.3.2 ===
336	336
	349	+=== 2.3.1  Before Firmware 1.3.2 ===
337	337
	351	+
338	338	In this mode, uplink payload includes in total 14 bytes
339	339
340		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:440px" %)
341		-|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
	354	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
	355	+|=(% style="width: 60px;" %)(((
342	342	**Size(bytes)**
343		-)))|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**6**|=(% style="width: 35px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 35px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**1**
	357	+)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
344	344	|(% 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"]]
345	345
346	346	(((
347		-If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
	361	+If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
348	348	)))
349	349
350	350
...	...	@@ -351,34 +351,49 @@
351	351	[[image:1657331036973-987.png]]
352	352
353	353
	368	+(((
354	354	The payload is **ASCII** string, representative same HEX:
	370	+)))
355	355
356		-(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
	372	+(((
	373	+0x72403155615900640c6c19029200 where:
	374	+)))
357	357
358		-**where :**
	376	+* (((
	377	+Device ID: 0x724031556159 = 724031556159
	378	+)))
	379	+* (((
	380	+Version:  0x0064=100=1.0.0
	381	+)))
359	359
360		-* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
	383	+* (((
	384	+BAT:  0x0c6c = 3180 mV = 3.180V
	385	+)))
	386	+* (((
	387	+Signal: 0x19 = 25
	388	+)))
	389	+* (((
	390	+Distance: 0x0292= 658 mm
	391	+)))
	392	+* (((
	393	+Interrupt: 0x00 = 0
361	361
362		-* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
363	363
364		-* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
365	365
366		-* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
367	367
368		-* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
	398	+
	399	+)))
369	369
370		-* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
	401	+=== **2.3.2  Since firmware v1.3.2** ===
371	371
372		-=== 2.3.2  Since firmware v1.3.2 ===
373	373
374		-
375	375	In this mode, uplink payload includes 69 bytes in total by default.
376	376
377	377	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.
378	378
379		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:490px" %)
380		-|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**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**
381		-|=(% 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.......
	408	+(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
	409	+|(% 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
	410	+|(% 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.......
382	382
383	383	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
384	384
...	...	@@ -387,32 +387,26 @@
387	387
388	388	The payload is ASCII string, representative same HEX:
389	389
390		-**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 (%%)**
	419	+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:
391	391
392		-**where:**
	421	+* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
	422	+* (% style="color:red" %)Version: 0x0084=132=1.3.2
	423	+* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
	424	+* (% style="color:blue" %)Singal: 0x1e = 30
	425	+* (% style="color:red" %)Mod: 0x01 = 1
	426	+* Interrupt: 0x00= 0
	427	+* Distance: 0x0039= 57 = 57
	428	+* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
	429	+* Distance,Time stamp : 00396319baf0
	430	+* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
393	393
394		-* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
395	395
396		-* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
397	397
398		-* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
399	399
400		-* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
401	401
402		-* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
403		-
404		-* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
405		-
406		-* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
407		-
408		-* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
409		-
410		-* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
411		-
412		-* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
413		-
414	414	== 2.4  Payload Explanation and Sensor Interface ==
415	415
	438	+
416	416	=== 2.4.1  Device ID ===
417	417
418	418
...	...	@@ -451,6 +451,7 @@
451	451	AT+DEUI=868411056754138
452	452
453	453
	477	+
454	454	=== 2.4.2  Version Info ===
455	455
456	456
...	...	@@ -463,6 +463,7 @@
463	463	)))
464	464
465	465
	490	+
466	466	=== 2.4.3  Battery Info ===
467	467
468	468
...	...	@@ -475,6 +475,7 @@
475	475	)))
476	476
477	477
	503	+
478	478	=== 2.4.4  Signal Strength ===
479	479
480	480
...	...	@@ -507,6 +507,7 @@
507	507	)))
508	508
509	509
	536	+
510	510	=== 2.4.5  Distance ===
511	511
512	512
...	...	@@ -526,6 +526,10 @@
526	526
527	527	)))
528	528
	556	+(((
	557	+
	558	+)))
	559	+
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]])**.**
	572	+(% 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
...	...	@@ -560,6 +560,7 @@
560	560	)))
561	561
562	562
	594	+
563	563	=== 2.4.7  ​+5V Output ===
564	564
565	565
...	...	@@ -585,19 +585,15 @@
585	585	)))
586	586
587	587
	620	+
588	588	== 2.5  Downlink Payload ==
589	589
590	590
591	591	By default, NDDS75 prints the downlink payload to console port.
592	592
593		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
594		-|(% style="width:208px;background-color:#D9E2F3;color:#0070C0" %)**Downlink Control Type**|(% style="width:56px;background-color:#D9E2F3;color:#0070C0" %)**FPort**|(% style="width:100px;background-color:#D9E2F3;color:#0070C0" %)**Type Code**|(% style="width:154px;background-color:#D9E2F3;color:#0070C0" %)**Downlink payload size(bytes)**
595		-|(% style="width:208px" %)TDC (Transmit Time Interval)|(% style="width:56px" %)Any|(% style="width:100px" %)01|(% style="width:154px" %)4
596		-|(% style="width:208px" %)RESET|(% style="width:56px" %)Any|(% style="width:100px" %)04|(% style="width:154px" %)2
597		-|(% style="width:208px" %)INTMOD|(% style="width:56px" %)Any|(% style="width:100px" %)06|(% style="width:154px" %)4
	626	+[[image:image-20220709100028-1.png]]
598	598
599	599
600		-
601	601	(((
602	602	(% style="color:blue" %)**Examples:**
603	603	)))
...	...	@@ -642,6 +642,7 @@
642	642	)))
643	643
644	644
	673	+
645	645	== 2.6  Distance alarm function(Since firmware v1.3.2) ==
646	646
647	647
...	...	@@ -661,17 +661,16 @@
661	661	**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
662	662
663	663
	693	+
664	664	== 2.7  Set the number of data to be uploaded and the recording time ==
665	665
666	666
667	667	(% style="color:blue" %)** ➢ AT Command:**
668	668
669		-* (% 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)
670		-* (% 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.
	699	+(% 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)
671	671
672		- The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
	701	+(% 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.
673	673
674		-[[image:image-20221009001114-1.png||height="687" width="955"]]
675	675
676	676
677	677	== 2.8  Read or Clear cached data ==
...	...	@@ -679,12 +679,16 @@
679	679
680	680	(% style="color:blue" %)** ➢ AT Command:**
681	681
682		-* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
683		-* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
	710	+(% style="color:#037691" %)** AT+CDP ** (%%) ~/~/ Read cached data
684	684
	712	+
685	685	[[image:image-20220908175333-2.png]]
686	686
687	687
	716	+(% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/ Clear cached data
	717	+
	718	+
	719	+
688	688	== 2.9  ​LED Indicator ==
689	689
690	690
...	...	@@ -701,6 +701,7 @@
701	701	)))
702	702
703	703
	736	+
704	704	== 2.10  ​Firmware Change Log ==
705	705
706	706
...	...	@@ -709,18 +709,100 @@
709	709	)))
710	710
711	711	(((
	745	+
	746	+)))
	747	+
	748	+(((
712	712	Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
713	713	)))
714	714
715	715
716		-== 2.11 Battery & Power Consumption ==
717	717
	754	+== 2.11  ​Battery Analysis ==
718	718
719		-NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
720	720
721		-[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	757	+=== 2.11.1  ​Battery Type ===
722	722
723	723
	760	+(((
	761	+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.
	762	+)))
	763	+
	764	+(((
	765	+The battery is designed to last for several years depends on the actually use environment and update interval.
	766	+)))
	767	+
	768	+(((
	769	+The battery related documents as below:
	770	+)))
	771	+
	772	+* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	773	+* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	774	+* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	775	+
	776	+(((
	777	+[[image:image-20220709101450-2.png]]
	778	+)))
	779	+
	780	+
	781	+
	782	+=== 2.11.2  Power consumption Analyze ===
	783	+
	784	+
	785	+(((
	786	+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.
	787	+)))
	788	+
	789	+
	790	+(((
	791	+Instruction to use as below:
	792	+)))
	793	+
	794	+(((
	795	+(% 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/]]
	796	+)))
	797	+
	798	+
	799	+(((
	800	+(% style="color:blue" %)**Step 2: **(%%) Open it and choose
	801	+)))
	802	+
	803	+* (((
	804	+Product Model
	805	+)))
	806	+* (((
	807	+Uplink Interval
	808	+)))
	809	+* (((
	810	+Working Mode
	811	+)))
	812	+
	813	+(((
	814	+And the Life expectation in difference case will be shown on the right.
	815	+)))
	816	+
	817	+[[image:image-20220709110451-3.png]]
	818	+
	819	+
	820	+
	821	+=== 2.11.3  ​Battery Note ===
	822	+
	823	+
	824	+(((
	825	+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.
	826	+)))
	827	+
	828	+
	829	+
	830	+=== 2.11.4  Replace the battery ===
	831	+
	832	+
	833	+(((
	834	+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).
	835	+)))
	836	+
	837	+
	838	+
724	724	= 3. ​ Access NB-IoT Module =
725	725
726	726
...	...	@@ -737,8 +737,10 @@
737	737	[[image:1657333200519-600.png]]
738	738
739	739
	855	+
740	740	= 4.  Using the AT Commands =
741	741
	858	+
742	742	== 4.1  Access AT Commands ==
743	743
744	744
...	...	@@ -745,94 +745,96 @@
745	745	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]]
746	746
747	747
748		-AT+<CMD>?  :  Help on <CMD>
	865	+AT+<CMD>?  : Help on <CMD>
749	749
750		-AT+<CMD>         :  Run <CMD>
	867	+AT+<CMD>         : Run <CMD>
751	751
752		-AT+<CMD>=<value> :  Set the value
	869	+AT+<CMD>=<value> : Set the value
753	753
754		-AT+<CMD>=?  :  Get the value
	871	+AT+<CMD>=?  : Get the value
755	755
756	756
757	757	(% style="color:#037691" %)**General Commands**(%%)
758	758
759		-AT  :  Attention
	876	+AT  : Attention
760	760
761		-AT?  :  Short Help
	878	+AT?  : Short Help
762	762
763		-ATZ  :  MCU Reset
	880	+ATZ  : MCU Reset
764	764
765		-AT+TDC  :  Application Data Transmission Interval
	882	+AT+TDC  : Application Data Transmission Interval
766	766
767		-AT+CFG  :  Print all configurations
	884	+AT+CFG  : Print all configurations
768	768
769		-AT+CFGMOD           :  Working mode selection
	886	+AT+CFGMOD           : Working mode selection
770	770
771		-AT+INTMOD            :  Set the trigger interrupt mode
	888	+AT+INTMOD            : Set the trigger interrupt mode
772	772
773		-AT+5VT  :  Set extend the time of 5V power
	890	+AT+5VT  : Set extend the time of 5V power
774	774
775		-AT+PRO  :  Choose agreement
	892	+AT+PRO  : Choose agreement
776	776
777		-AT+WEIGRE  :  Get weight or set weight to 0
	894	+AT+WEIGRE  : Get weight or set weight to 0
778	778
779		-AT+WEIGAP  :  Get or Set the GapValue of weight
	896	+AT+WEIGAP  : Get or Set the GapValue of weight
780	780
781		-AT+RXDL  :  Extend the sending and receiving time
	898	+AT+RXDL  : Extend the sending and receiving time
782	782
783		-AT+CNTFAC  :  Get or set counting parameters
	900	+AT+CNTFAC  : Get or set counting parameters
784	784
785		-AT+SERVADDR  :  Server Address
	902	+AT+SERVADDR  : Server Address
786	786
787		-AT+TR  :  Get or Set record time"
	904	+AT+TR      : Get or Set record time"
788	788
789		-AT+APN     :  Get or set the APN
	906	+AT+APN     : Get or set the APN
790	790
791		-AT+FBAND  :  Get or Set whether to automatically modify the frequency band
	908	+AT+FBAND   : Get or Set whether to automatically modify the frequency band
792	792
793		-AT+DNSCFG  : Get or Set DNS Server
	910	+AT+DNSCFG  : Get or Set DNS Server
794	794
795		-AT+GETSENSORVALUE   :  Returns the current sensor measurement
	912	+AT+GETSENSORVALUE   : Returns the current sensor measurement
796	796
797		-AT+NOUD  :  Get or Set the number of data to be uploaded
	914	+AT+NOUD      : Get or Set the number of data to be uploaded
798	798
799		-AT+CDP     :  Read or Clear cached data
	916	+AT+CDP     : Read or Clear cached data
800	800
801		-AT+LDDSALARM :  Get or Set alarm of distance
	918	+AT+LDDSALARM : Get or Set alarm of distance
802	802
803	803
804	804	(% style="color:#037691" %)**COAP Management**
805	805
806		-AT+URI            :  Resource parameters
	923	+AT+URI            : Resource parameters
807	807
808	808
809	809	(% style="color:#037691" %)**UDP Management**
810	810
811		-AT+CFM          :  Upload confirmation mode (only valid for UDP)
	928	+AT+CFM          : Upload confirmation mode (only valid for UDP)
812	812
813	813
814	814	(% style="color:#037691" %)**MQTT Management**
815	815
816		-AT+CLIENT  :  Get or Set MQTT client
	933	+AT+CLIENT               : Get or Set MQTT client
817	817
818		-AT+UNAME  :  Get or Set MQTT Username
	935	+AT+UNAME  : Get or Set MQTT Username
819	819
820		-AT+PWD  :  Get or Set MQTT password
	937	+AT+PWD                  : Get or Set MQTT password
821	821
822		-AT+PUBTOPIC  :  Get or Set MQTT publish topic
	939	+AT+PUBTOPIC  : Get or Set MQTT publish topic
823	823
824		-AT+SUBTOPIC  :  Get or Set MQTT subscription topic
	941	+AT+SUBTOPIC  : Get or Set MQTT subscription topic
825	825
826	826
827	827	(% style="color:#037691" %)**Information**
828	828
829		-AT+FDR  :  Factory Data Reset
	946	+AT+FDR  : Factory Data Reset
830	830
831		-AT+PWORD  :  Serial Access Password
	948	+AT+PWORD  : Serial Access Password
832	832
833	833
	951	+
834	834	= ​5.  FAQ =
835	835
	954	+
836	836	== 5.1 ​ How to Upgrade Firmware ==
837	837
838	838
...	...	@@ -849,8 +849,10 @@
849	849	)))
850	850
851	851
	971	+
852	852	= 6.  Trouble Shooting =
853	853
	974	+
854	854	== 6.1  ​Connection problem when uploading firmware ==
855	855
856	856
...	...	@@ -863,20 +863,17 @@
863	863
864	864	)))
865	865
	987	+
866	866	== 6.2  AT Command input doesn't work ==
867	867
868	868
869	869	(((
870	870	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.
	993	+
	994	+
871	871	)))
872	872
873	873
874		-== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
875		-
876		-
877		-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]]//**.
878		-
879		-
880	880	= 7. ​ Order Info =
881	881
882	882
...	...	@@ -883,6 +883,11 @@
883	883	Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
884	884
885	885
	1004	+(% class="wikigeneratedid" %)
	1005	+(((
	1006	+
	1007	+)))
	1008	+
886	886	= 8.  Packing Info =
887	887
888	888	(((
...	...	@@ -897,6 +897,7 @@
897	897	(((
898	898
899	899
	1023	+
900	900	(% style="color:#037691" %)**Dimension and weight**:
901	901
902	902	* Device Size: 13.0 x 5 x 4.5 cm
...	...	@@ -908,6 +908,7 @@
908	908	(((
909	909
910	910
	1035	+
911	911
912	912	)))
913	913
...	...	@@ -915,5 +915,4 @@
915	915
916	916
917	917	* 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.
918		-
919	919	* 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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