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Title

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1		-LDDS75 - LoRaWAN Distance Detection Sensor User Manual
	1	+LLDS12-LoRaWAN LiDAR ToF Distance Sensor User Manual

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1	1	(% style="text-align:center" %)
2		-[[image:1654846127817-788.png]]
	2	+[[image:image-20220610095606-1.png]]
3	3
	4	+
4	4	**Contents:**
5	5
	7	+{{toc/}}
6	6
7	7
8	8
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12	12
13	13	= 1.  Introduction =
14	14
15		-== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
	17	+== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
16	16
17	17	(((
18	18
19	19
20	20	(((
21		-The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
	23	+The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
	24	+)))
22	22
	26	+(((
	27	+The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
	28	+)))
23	23
24		-It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
	30	+(((
	31	+It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
	32	+)))
25	25
	34	+(((
	35	+The LoRa wireless technology used in LLDS12 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
	36	+)))
26	26
27		-The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
	38	+(((
	39	+LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	40	+)))
28	28
29		-
30		-LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
31		-
32		-
33		-Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
34		-
35		-
36		-(% style="color:#4472c4" %) ***** (%%)Actually lifetime depends on network coverage and uplink interval and other factors
	42	+(((
	43	+Each LLDS12 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37	37	)))
38	38	)))
39	39
40	40
41		-[[image:1654847051249-359.png]]
	48	+[[image:1654826306458-414.png]]
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44	44
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45	45	== ​1.2  Features ==
46	46
47	47	* LoRaWAN 1.0.3 Class A
48		-* Ultra low power consumption
49		-* Distance Detection by Ultrasonic technology
50		-* Flat object range 280mm - 7500mm
51		-* Accuracy: ±(1cm+S*0.3%) (S: Distance)
52		-* Cable Length : 25cm
	55	+* Ultra-low power consumption
	56	+* Laser technology for distance detection
	57	+* Operating Range - 0.1m~~12m①
	58	+* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
	59	+* Monitor Battery Level
53	53	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
54	54	* AT Commands to change parameters
55	55	* Uplink on periodically
56	56	* Downlink to change configure
57		-* IP66 Waterproof Enclosure
58		-* 4000mAh or 8500mAh Battery for long term use
	64	+* 8500mAh Battery for long term use
59	59
60	60
61	61	== 1.3  Probe Specification ==
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73	73	* Material of enclosure - ABS+PC
74	74	* Wire length - 25cm
75	75
	82	+
76	76	== 1.4  Probe Dimension ==
77	77
78	78
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89	89	* Automatic control
90	90	* Sewer
91	91
	99	+
92	92	== 1.6  Pin mapping and power on ==
93	93
94	94
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295	295	|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
296	296	|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
297	297
	306	+
298	298	=== 2.3.8  Decode payload in The Things Network ===
299	299
300	300	While using TTN network, you can add the payload format to decode the payload.
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463	463	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
464	464	* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
465	465
	475	+
466	466	=== 2.6.3  CN470-510 (CN470) ===
467	467
468	468	(((
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573	573	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
574	574	* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
575	575
	586	+
576	576	=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
577	577
578	578	(((
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799	799	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
800	800	* Blink once when device transmit a packet.
801	801
	813	+
802	802	== 2.8  ​Firmware Change Log ==
803	803
804	804
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869	869	* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
870	870	* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
871	871
	884	+
872	872	= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
873	873
874	874	(((
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975	975	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
976	976	)))
977	977
	991	+
978	978	== 4.2  Set Interrupt Mode ==
979	979
980	980	Feature, Set Interrupt mode for GPIO_EXIT.
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1003	1003	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1004	1004	)))
1005	1005
	1020	+
1006	1006	== 4.3  Get Firmware Version Info ==
1007	1007
1008	1008	Feature: use downlink to get firmware version.

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