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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

Content

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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 **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 **ultrasonic sensing** technology for distance measurement, and **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** 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 **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		-*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
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56	56	* Downlink to change configure
57	57	* 8500mAh Battery for long term use
58	58
	66	+
	67	+
59	59	== 1.3  Probe Specification ==
60	60
61	61	* Storage temperature ：-20℃~~75℃
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71	71	* Material of enclosure - ABS+PC
72	72	* Wire length - 25cm
73	73
	83	+
	84	+
74	74	== 1.4  Probe Dimension ==
75	75
76	76
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87	87	* Automatic control
88	88	* Sewer
89	89
	101	+
	102	+
90	90	== 1.6  Pin mapping and power on ==
91	91
92	92
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293	293	|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
294	294	|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
295	295
	309	+
	310	+
296	296	=== 2.3.8  Decode payload in The Things Network ===
297	297
298	298	While using TTN network, you can add the payload format to decode the payload.
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461	461	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
462	462	* 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)
463	463
	479	+
	480	+
464	464	=== 2.6.3  CN470-510 (CN470) ===
465	465
466	466	(((
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571	571	* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
572	572	* 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)
573	573
	591	+
	592	+
574	574	=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
575	575
576	576	(((
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798	798	* Blink once when device transmit a packet.
799	799
800	800
	820	+
801	801	== 2.8  ​Firmware Change Log ==
802	802
803	803
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868	868	* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
869	869	* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
870	870
	891	+
	892	+
871	871	= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
872	872
873	873	(((
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974	974	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
975	975	)))
976	976
	999	+
	1000	+
977	977	== 4.2  Set Interrupt Mode ==
978	978
979	979	Feature, Set Interrupt mode for GPIO_EXIT.
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1002	1002	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1003	1003	)))
1004	1004
	1029	+
	1030	+
1005	1005	== 4.3  Get Firmware Version Info ==
1006	1006
1007	1007	Feature: use downlink to get firmware version.

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Author

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1		-XWiki.Xiaoling

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1		-107.3 KB

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