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92	92	* Sewer
93	93	* Bottom water level monitoring
94	94
	95	+
95	95	== 1.6  Pin mapping and power on ==
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97	97
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183	183	== 2.3  ​Uplink Payload ==
184	184
185	185	(((
186		-LDDS75 will uplink payload via LoRaWAN with below payload format:
	187	+LDDS75 will uplink payload via LoRaWAN with below payload format:
187	187
188	188	Uplink payload includes in total 4 bytes.
189	189	Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
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205	205	[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
206	206	)))|[[Sensor Flag>>path:#Sensor_Flag]]
207	207
208		-[[image:1654850511545-399.png]]
	209	+[[image:1654833689380-972.png]]
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211	211
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226	226
227	227	For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is
228	228
229		-**(% style="color:#4472C4" %) 0B05(H) = 2821 (D) = 2821 mm.**
	230	+**0B05(H) = 2821 (D) = 2821 mm.**
230	230
231	231
232	232	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
233	233	* 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.
234	234
	236	+
235	235	=== 2.3.3  Interrupt Pin ===
236	236
237	237	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.

1654850511545-399.png

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1		-XWiki.Xiaoling

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