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38	38	)))
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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
	48	+* Ultra-low power consumption
	49	+* Laser technology for distance detection
	50	+* Operating Range - 0.1m~~12m①
	51	+* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
	52	+* 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
	57	+* 8500mAh Battery for long term use
59	59
	59	+== 1.3  Probe Specification ==
60	60
61		-== 1.3  Specification ==
	61	+* Storage temperature ：-20℃~~75℃
	62	+* Operating temperature - -20℃~~60℃
	63	+* Operating Range - 0.1m~~12m①
	64	+* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
	65	+* Distance resolution - 5mm
	66	+* Ambient light immunity - 70klux
	67	+* Enclosure rating - IP65
	68	+* Light source - LED
	69	+* Central wavelength - 850nm
	70	+* FOV - 3.6°
	71	+* Material of enclosure - ABS+PC
	72	+* Wire length - 25cm
62	62
63		-=== 1.3.1  Rated environmental conditions ===
	74	+== 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);**
	77	+[[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]]
	93	+[[image:1654827332142-133.png]]
102	102
103	103
104		-= 2.  Configure LDDS75 to connect to LoRaWAN network =
	96	+= 2.  Configure LLDS12 to connect to LoRaWAN network =
105	105
106	106	== 2.1  How it works ==
107	107

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