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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		-* Laser technology for distance detection
50		-* Operating Range - 0.1m~~12m①
51		-* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
52		-* Monitor Battery Level
	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	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		-* 8500mAh Battery for long term use
	57	+* IP66 Waterproof Enclosure
	58	+* 4000mAh or 8500mAh Battery for long term use
58	58
59		-== 1.3  Probe Specification ==
60	60
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
	61	+== 1.3  Specification ==
73	73
74		-== 1.4  Probe Dimension ==
	63	+=== 1.3.1  Rated environmental conditions ===
75	75
	65	+[[image:image-20220610154839-1.png]]
76	76
77		-[[image:1654827224480-952.png]]
	67	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
78	78
	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)**
79	79
	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	+
80	80	== 1.5 ​ Applications ==
81	81
82	82	* Horizontal distance measurement
	87	+* Liquid level measurement
83	83	* Parking management system
84	84	* Object proximity and presence detection
85	85	* Intelligent trash can management system
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86	86	* Robot obstacle avoidance
87	87	* Automatic control
88	88	* Sewer
	94	+* Bottom water level monitoring
89	89
	96	+
	97	+
90	90	== 1.6  Pin mapping and power on ==
91	91
92	92
93		-[[image:1654827332142-133.png]]
	101	+[[image:1654847583902-256.png]]
94	94
95	95
96		-= 2.  Configure LLDS12 to connect to LoRaWAN network =
	104	+= 2.  Configure LDDS75 to connect to LoRaWAN network =
97	97
98	98	== 2.1  How it works ==
99	99
100	100	(((
101		-The LLDS12 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LLDS12. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
	109	+The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
102	102	)))
103	103
104	104	(((
105		-In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H6.A0UseATCommand"]]to set the keys in the LLDS12.
	113	+In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
106	106	)))
107	107
108	108

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