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58	58	* 4000mAh or 8500mAh Battery for long term use
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61		-
62	62	== 1.3  Specification ==
63	63
64	64	=== 1.3.1  Rated environmental conditions ===
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73	73
74	74	=== 1.3.2  Effective measurement range Reference beam pattern ===
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76		-**(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.**[[image:image-20220610155021-2.png||height="377" width="1021"]]
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80		-**(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"]]
	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.**
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82	82	(% style="display:none" %) (%%)
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	83	+(% style="display:none" %)** **[[image:image-20220610155021-3.png||height="374" width="1020"]]
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	85	+(% style="display:none" %) (%%)
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	87	+
	88	+
86	86	== 1.5 ​ Applications ==
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88	88	* Horizontal distance measurement
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96	96	* Bottom water level monitoring
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99		-
100	100	== 1.6  Pin mapping and power on ==
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102	102
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237	237	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
238	238	* 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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	242	+
	243	+
240	240	=== 2.3.3  Interrupt Pin ===
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242	242	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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248	248	0x01: Interrupt Uplink Packet.
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	255	+
251	251	=== 2.3.4  DS18B20 Temperature sensor ===
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253	253	This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.