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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 (% 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
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867	867	* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
868	868	* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
869	869
	877	+
	878	+
870	870	= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
871	871
872	872	(((
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973	973	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
974	974	)))
975	975
	985	+
	986	+
976	976	== 4.2  Set Interrupt Mode ==
977	977
978	978	Feature, Set Interrupt mode for GPIO_EXIT.
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1001	1001	Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1002	1002	)))
1003	1003
	1015	+
	1016	+
1004	1004	== 4.3  Get Firmware Version Info ==
1005	1005
1006	1006	Feature: use downlink to get firmware version.
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1272	1272	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1273	1273	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1274	1274
1275		-
1276	1276	= 10. ​ Packing Info =
1277	1277
1278	1278
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1287	1287	* Package Size / pcs : cm
1288	1288	* Weight / pcs : g
1289	1289
1290		-
1291	1291	= 11.  ​Support =
1292	1292
1293	1293	* 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.

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