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23	23
24	24	= 1. Introduction =
25	25
	26	+
26	26	== 1.1 What is LDS02 LoRaWAN Door Sensor ==
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28	28
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56	56
57	57	== 1.2 Features ==
58	58
	60	+
59	59	* LoRaWAN Class A v1.0.3
60	60	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
61	61	* SX1262 LoRa Core
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66	66	* Remote configure parameters via LoRa Downlink
67	67	* Firmware upgradable via program port
68	68
69		-
70		-
71	71	== 1.3 Applications ==
72	72
	73	+
73	73	* Smart Buildings & Home Automation
74	74	* Logistics and Supply Chain Management
75	75	* Smart Metering
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77	77	* Smart Cities
78	78	* Smart Factory
79	79
80		-
81		-
82	82	== 1.4 Dimension ==
83	83
	83	+
84	84	Unit: mm
85	85
86	86	[[image:1654680563545-120.png]]
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89	89	[[image:1654680510816-654.png]]
90	90
91	91
	92	+
92	92	== 1.5 Firmware Change log ==
93	93
	95	+
94	94	(((
95	95	(((
96		-LDS02 use the same firmware as LDS01.
	98	+LDS02 use the same firmware as LDS01：[[LDS02 Image files – Download link>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
97	97	)))
98		-
99		-(((
100		-[[LDS02 Image files – Download link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
101	101	)))
102		-)))
103	103
104	104
	103	+
105	105	= 2. Power ON LDS02 =
106	106
	106	+
107	107	When receive the LDS02, please open the enclosure and add 2 x AAA batteries to power it. The [[LED>>||anchor="H4.7LEDs"]] will blink when device is powered.
108	108
109	109
	110	+
110	110	= 3. How to install LDS02 =
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	113	+
112	112	(((
113	113	(((
114	114	When install the LDS02 on wall. Please make sure install as below so the marks will close to each other when close the door.
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116	116
117	117	(((
118	118	Open/Close threshold range: ~~ 25mm
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	122	+
119	119	)))
120	120	)))
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125	125
126	126	= 4. Operation Mode =
127	127
	132	+
128	128	== 4.1 How it works? ==
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	135	+
130	130	(((
131	131	The LDS02 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and [[power on>>||anchor="H2.PowerONLDS02"]] the LDS02. It will auto join the network via OTAA.
132	132	)))
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136	136	)))
137	137
138	138
	145	+
139	139	== 4.2 Example to join LoRaWAN network ==
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	148	+
141	141	Here shows an example for how to join the [[TTN V3 Network>>url:https://eu1.cloud.thethings.network/]]. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
142	142
143	143	[[image:1654680810108-149.png]]
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159	159
160	160	(((
161	161	The LG308 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. What we need to now is only configure the TTN V3:
	170	+
	171	+
162	162	)))
163	163	)))
164	164
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195	195	[[image:1654671889112-678.png]]
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198	198	(((
199	199	(% style="color:blue" %)**Step 2**(%%):  **[[Power on>>||anchor="H2.PowerONLDS02"]]** LDS02 and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
200	200	)))
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229	229
230	230
231	231	(((
232		-Example Payload Decoder in TTN V3: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS02/Payload/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Payload/]]
233		-)))
	243	+Example Payload Decoder in TTN V3: [[https:~~/~~/www.dropbox.com/sh/oi7buxzczrokwcy/AAA_iwAhbJvE0bSAapkmeYlga?dl=0>>https://www.dropbox.com/sh/oi7buxzczrokwcy/AAA_iwAhbJvE0bSAapkmeYlga?dl=0]]
234	234
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	246	+
	247	+)))
	248	+
236	236	== 4.4 Downlink Payload ==
237	237
238	238
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315	315	See [[Alarm Base Timeout>>||anchor="H4.6AlarmBaseonTimeout"]] for detail.
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317	317
	331	+
318	318	== 4.5 Integrate with Datacake ==
319	319
	334	+
320	320	(((
321	321	(((
322	322	Datacake provides a human friendly interface to show the sensor data, once we have data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
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352	352	[[image:1654674556510-911.png]]
353	353
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	370	+
355	355	== 4.6 Alarm Base on Timeout ==
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	373	+
357	357	(((
358	358	(((
359	359	LDS02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc.
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372	372
373	373	(((
374	374	(((
375		-(% style="color:blue" %)**AT Command**(%%) to configure:
	392	+(% style="color:blue" %)**AT Command**(%%) **to configure:**
376	376	)))
377	377	)))
378	378
379	379	* (((
380	380	(((
381		-**AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open
	398	+(% style="color:red" %)**AT+TTRIG=1,30 ** (%%) **~-~->** When status change from close to open, and device keep in open
382	382	)))
383	383	)))
384	384
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390	390
391	391	* (((
392	392	(((
393		-**AT+TTIG=0,0**  **~-~->**  Default Value, disable timeout Alarm.
	410	+(% style="color:red" %)**AT+TTRIG=0,0** (%%) **~-~->**  Default Value, disable timeout Alarm.
394	394	)))
395	395	)))
396	396
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398	398	(((
399	399
400	400
401		-(% style="color:blue" %)**Downlink Command**(%%) to configure:
	418	+(% style="color:blue" %)**Downlink Command**(%%) **to configure:**
402	402	)))
403	403	)))
404	404
405	405	(((
406	406	(((
407		-**Command: 0xA9 aa bb cc**
	424	+**Command: (% style="color:red" %)0xA9 aa bb cc(%%)**
408	408	)))
409	409	)))
410	410
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466	466
467	467	= 5. Battery & How to replace =
468	468
	486	+
469	469	== 5.1 Battery Type and replace ==
470	470
	489	+
471	471	(((
472	472	LDS02 is equipped with 2 x AAA LR03 batteries. If the batteries running low (shows 2.1v in the platform). User can buy generic AAA battery and replace it.
473	473
	493	+
474	474	(% style="color:red" %)**Note:**
475	475
476	476	1. The LDS02 doesn't have any screw, use can use nail to open it by the middle.
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492	492	[[image:1654675278044-307.png]]
493	493
494	494
	515	+
495	495	== 5.2 Power Consumption Analyze ==
496	496
	518	+
497	497	(((
498	498	Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
499	499	)))
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503	503	)))
504	504
505	505
	528	+
506	506	= 6. Use AT Command =
507	507
	531	+
508	508	== 6.1 Access AT Command ==
509	509
	534	+
510	510	LDS02 supports AT Command set. User can use a USB to TTL adapter to configure LDS02 via use AT command, as below.
511	511
	537	+
512	512	[[image:image-20220609085453-1.png]]
513	513
514	514
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537	537	)))
538	538
539	539	(((
540		-When entering the first command, the (% style="color:red" %)**RED LED**(%%) will on and user can now input AT Commands. After input all needed AT Commands, please input AT+CLPM=1 to set the device to work in Low Power mode and (% style="color:red" %)**RED LED**(%%) will be off.
	566	+When entering the first command, the (% style="color:red" %)**RED LED**(%%) will on and user can now input AT Commands. After input all needed AT Commands, please input **AT+CLPM=1** to set the device to work in Low Power mode and (% style="color:red" %)**RED LED**(%%) will be off.
541	541	)))
542	542
543	543	(((
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545	545	)))
546	546
547	547
	574	+
548	548	= 7. FAQ =
549	549
	577	+
550	550	== 7.1 How to upgrade the image? ==
551	551
	580	+
552	552	User can upgrade the of LDS02 for bug fix, new features, or change working region. The upgrade instruction is here: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
553	553
554	554
	584	+
555	555	== 7.2 How to change the LoRa Frequency Bands/Region? ==
556	556
	587	+
557	557	If user has for example US915 frequency and want to change it to AS923 frequency. User can follow the introduction for [[how to upgrade image>>||anchor="H7.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
558	558
559	559
	591	+
560	560	== 7.3 Can I disable uplink for each event to save battery life? ==
561	561
	594	+
562	562	Yes, User can use below method to disable this:
563	563
564	564
565		-(% style="color:#4f81bd" %)**via AT Command**:
	598	+(% style="color:blue" %)**via AT Command**:
566	566
567		-AT+DISALARM=1, End node will only send packet in TDC time.
	600	+(% style="color:red" %)**AT+DISALARM=1**(%%), End node will only send packet in TDC time.
568	568
569		-AT+DISALARM=0, End node will send packet in TDC time or status change for door sensor.
	602	+(% style="color:red" %)**AT+DISALARM=0**(%%), End node will send packet in TDC time or status change for door sensor.
570	570
571	571
572		-(% style="color:#4f81bd" %)**via LoRaWAN downlink Command**:
	605	+(% style="color:blue" %)**via LoRaWAN downlink Command**:
573	573
574		-0xA701 : Equal to AT+DISALARM=1
	607	+(% style="color:red" %)**0xA701**(%%) : Equal to AT+DISALARM=1
575	575
576		-0xA700 : Equal to AT+DISALARM=0
	609	+(% style="color:red" %)**0xA700**(%%) : Equal to AT+DISALARM=0
577	577
578	578
	612	+
579	579	= 8. Order Info =
580	580
	615	+
581	581	**Part Number: (% style="color:blue" %)LDS02-XXX(%%)**
582	582
583	583	(% style="color:blue" %)**XXX:**
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594	594
595	595
596	596
	632	+
	633	+
597	597	= 9. Packing Info =
598	598
	636	+
599	599	(((
600	600	**Package Includes**:
601	601	)))
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612	612	Device Size: 69.2 x 29.2 x 14.8 mm
613	613
614	614
	653	+
615	615
616	616	)))
617	617
618	618	= 10. Support =
619	619
	659	+
620	620	* 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.
621	621	* 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:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
622	622
	663	+
	664	+
623	623