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92	92	* Sewer
93	93	* Bottom water level monitoring
94	94
95		-
96	96	== 1.6  Pin mapping and power on ==
97	97
98	98
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184	184	== 2.3  ​Uplink Payload ==
185	185
186	186	(((
187		-LDDS75 will uplink payload via LoRaWAN with below payload format:
	186	+LDDS75 will uplink payload via LoRaWAN with below payload format:
188	188
189	189	Uplink payload includes in total 4 bytes.
190	190	Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
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206	206	[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
207	207	)))|[[Sensor Flag>>path:#Sensor_Flag]]
208	208
209		-[[image:1654833689380-972.png]]
	208	+[[image:1654850511545-399.png]]
210	210
211	211
212	212
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225	225
226	226	Get the distance. Flat object range 280mm - 7500mm.
227	227
228		-For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is
	227	+For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
229	229
230		-**0B05(H) = 2821 (D) = 2821 mm.**
231	231
232		-
233	233	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
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.
235	235
236	236
	234	+
237	237	=== 2.3.3  Interrupt Pin ===
238	238
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.

1654850511545-399.png

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	1	+XWiki.Xiaoling

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