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Title

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

Content

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1	1	(% style="text-align:center" %)
2		-[[image:image-20220610095606-1.png]]
	2	+[[image:1654846127817-788.png]]
3	3
4		-
5	5	**Contents:**
6	6
7		-{{toc/}}
8	8
9	9
10	10
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14	14
15	15	= 1.  Introduction =
16	16
17		-== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
	15	+== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
18	18
19	19	(((
20	20
21	21
22	22	(((
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		-)))
	21	+The Dragino LDDS75 is a **(% style="color:#4F81BD" %)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 **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.
25	25
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		-)))
29	29
30		-(((
31		-It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
32		-)))
	24	+It detects the distance** between the measured object and the sensor**, and uploads the value via wireless to LoRaWAN IoT Server.
33	33
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		-)))
37	37
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		-)))
	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.
41	41
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.
	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
44	44	)))
45	45	)))
46	46
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804	804	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
805	805	* Blink once when device transmit a packet.
806	806
	800	+
807	807	== 2.8  ​Firmware Change Log ==
808	808
809	809
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874	874	* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
875	875	* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
876	876
877		-
878		-
879	879	= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
880	880
881	881	(((
	874	+(((
882	882	Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
883	883	)))
	877	+)))
884	884
885	885	* (((
	880	+(((
886	886	AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
887	887	)))
	883	+)))
888	888	* (((
	885	+(((
889	889	LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
890	890	)))
	888	+)))
891	891
892	892	(((
	891	+(((
893	893
	893	+)))
894	894
	895	+(((
895	895	There are two kinds of commands to configure LLDS12, they are:
896	896	)))
	898	+)))
897	897
898	898	* (((
	901	+(((
899	899	(% style="color:#4f81bd" %)** General Commands**.
900	900	)))
	904	+)))
901	901
902	902	(((
	907	+(((
903	903	These commands are to configure:
904	904	)))
	910	+)))
905	905
906	906	* (((
	913	+(((
907	907	General system settings like: uplink interval.
908	908	)))
	916	+)))
909	909	* (((
	918	+(((
910	910	LoRaWAN protocol & radio related command.
911	911	)))
	921	+)))
912	912
913	913	(((
	924	+(((
914	914	They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
915	915	)))
	927	+)))
916	916
917	917	(((
	930	+(((
918	918
919	919	)))
	933	+)))
920	920
921	921	* (((
	936	+(((
922	922	(% style="color:#4f81bd" %)** Commands special design for LLDS12**
923	923	)))
	939	+)))
924	924
925	925	(((
	942	+(((
926	926	These commands only valid for LLDS12, as below:
927	927	)))
	945	+)))
928	928
929	929
930	930
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937	937	[[image:image-20220607171554-8.png]]
938	938
939	939
940		-
941	941	(((
942	942	(% style="color:#037691" %)**Downlink Command: 0x01**
943	943	)))
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955	955	)))
956	956	* (((
957	957	Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
958		-
959		-
960		-
961	961	)))
962	962
963	963	== 4.2  Set Interrupt Mode ==
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1184	1184
1185	1185
1186	1186	(((
	1201	+(((
1187	1187	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
	1203	+)))
1188	1188
	1205	+(((
1189	1189	LLDS12 will output system info once power on as below:
1190	1190	)))
	1208	+)))
1191	1191
1192	1192
1193	1193	[[image:1654593712276-618.png]]
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1208	1208	== 8.1  AT Commands input doesn’t work ==
1209	1209
1210	1210
	1229	+(((
1211	1211	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.
	1231	+)))
1212	1212
1213	1213
1214	1214	== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
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1253	1253	* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1254	1254	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1255	1255
	1276	+
	1277	+
1256	1256	= 10. ​ Packing Info =
1257	1257
1258	1258
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1267	1267	* Package Size / pcs : cm
1268	1268	* Weight / pcs : g
1269	1269
	1292	+
	1293	+
1270	1270	= 11.  ​Support =
1271	1271
1272	1272	* 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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	1	+XWiki.Xiaoling

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	1	+107.3 KB

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