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38	38	)))
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41		-[[image:1654847051249-359.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
	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" %) (%%)
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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
108	108	(((
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
	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.
110	110	)))
111	111
112	112	(((
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.
	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.
114	114	)))
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