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58	58	* 4000mAh or 8500mAh Battery for long term use
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61		-
62		-
63	63	== 1.3  Specification ==
64	64
65	65	=== 1.3.1  Rated environmental conditions ===
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74	74
75	75	=== 1.3.2  Effective measurement range Reference beam pattern ===
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77		-**(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"]]
	75	+**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
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	78	+[[image:image-20220610155021-2.png||height="377" width="1021"]]
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81		-**(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"]]
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	81	+
	82	+**(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.**
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83	83	(% style="display:none" %) (%%)
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	86	+(% style="display:none" %)** **[[image:image-20220610155021-3.png||height="374" width="1020"]]
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	88	+(% style="display:none" %) (%%)
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	91	+
86	86	== 1.5 ​ Applications ==
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88	88	* Horizontal distance measurement
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95	95	* Sewer
96	96	* Bottom water level monitoring
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	104	+
98	98	== 1.6  Pin mapping and power on ==
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100	100
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101	101	[[image:1654847583902-256.png]]
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	111	+
104	104	= 2.  Configure LDDS75 to connect to LoRaWAN network =
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106	106	== 2.1  How it works ==
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114	114	)))
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	125	+
117	117	== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
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119	119	(((
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234	234	* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
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	246	+
237	237	=== 2.3.3  Interrupt Pin ===
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239	239	This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
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245	245	0x01: Interrupt Uplink Packet.
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	258	+
248	248	=== 2.3.4  DS18B20 Temperature sensor ===
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250	250	This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.