Summary

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12	12
13	13	= 1.  Introduction =
14	14
15		-== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
	15	+== 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.
	21	+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.
	22	+)))
22	22
	24	+(((
	25	+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.
	26	+)))
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.
	28	+(((
	29	+It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
	30	+)))
25	25
	32	+(((
	33	+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.
	34	+)))
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.
	36	+(((
	37	+LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	38	+)))
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
	40	+(((
	41	+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]]
	46	+[[image:1654826306458-414.png]]
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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
	53	+* Ultra-low power consumption
	54	+* Laser technology for distance detection
	55	+* Operating Range - 0.1m~~12m①
	56	+* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
	57	+* 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
	62	+* 8500mAh Battery for long term use
59	59
	64	+== 1.3  Probe Specification ==
60	60
61		-== 1.3  Specification ==
	66	+* Storage temperature ：-20℃~~75℃
	67	+* Operating temperature - -20℃~~60℃
	68	+* Operating Range - 0.1m~~12m①
	69	+* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
	70	+* Distance resolution - 5mm
	71	+* Ambient light immunity - 70klux
	72	+* Enclosure rating - IP65
	73	+* Light source - LED
	74	+* Central wavelength - 850nm
	75	+* FOV - 3.6°
	76	+* Material of enclosure - ABS+PC
	77	+* Wire length - 25cm
62	62
63		-=== 1.3.1  Rated environmental conditions ===
	79	+== 1.4  Probe Dimension ==
64	64
65		-[[image:image-20220610154839-1.png]]
66	66
67		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
	82	+[[image:1654827224480-952.png]]
68	68
69		-**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
70	70
71		-
72		-
73		-=== 1.3.2  Effective measurement range Reference beam pattern ===
74		-
75		-**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
76		-
77		-
78		-
79		-**(2)** The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.[[image:image-20220610155021-3.png||height="437" width="1192"]]
80		-
81		-(% style="display:none" %) (%%)
82		-
83		-
84	84	== 1.5 ​ Applications ==
85	85
86	86	* Horizontal distance measurement
87		-* Liquid level measurement
88	88	* Parking management system
89	89	* Object proximity and presence detection
90	90	* Intelligent trash can management system
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91	91	* Robot obstacle avoidance
92	92	* Automatic control
93	93	* Sewer
94		-* Bottom water level monitoring
95	95
96		-
97		-
98	98	== 1.6  Pin mapping and power on ==
99	99
100	100
101		-[[image:1654847583902-256.png]]
	98	+[[image:1654827332142-133.png]]
102	102
103	103
104	104	= 2.  Configure LLDS12 to connect to LoRaWAN network =
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805	805	* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
806	806	* Blink once when device transmit a packet.
807	807
	805	+
808	808	== 2.8  ​Firmware Change Log ==
809	809
810	810
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1281	1281	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
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1283	1283
	1282	+
1284	1284	= 10. ​ Packing Info =
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1286	1286
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1296	1296	* Weight / pcs : g
1297	1297
1298	1298
	1298	+
1299	1299	= 11.  ​Support =
1300	1300
1301	1301	* 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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