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86	86	* IP66 Waterproof Enclosure
87	87	* 4000mAh or 8500mAh Battery for long term use
88	88
89		-
90	90	== 1.3  Specification ==
91	91
92	92	=== 1.3.1  Rated environmental conditions ===
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130	130	* Sewer
131	131	* Bottom water level monitoring
132	132
133		-
134		-
135	135	== 1.6  Pin mapping and power on ==
136	136
137	137
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274	274
275	275	=== 2.3.2  Distance ===
276	276
	274	+(((
277	277	Get the distance. Flat object range 280mm - 7500mm.
	276	+)))
278	278
	278	+(((
279	279	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.**
	280	+)))
280	280
281	281
282	282	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
283	283	* 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.
284	284
	286	+
285	285	=== 2.3.3  Interrupt Pin ===
286	286
287	287	This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
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310	310
311	311	=== 2.3.5  Sensor Flag ===
312	312
	315	+(((
313	313	0x01: Detect Ultrasonic Sensor
	317	+)))
314	314
	319	+(((
315	315	0x00: No Ultrasonic Sensor
	321	+)))
316	316
317	317
318	318
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325	325
326	326	The payload decoder function for TTN V3 is here:
327	327
	334	+(((
328	328	LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
	336	+)))
329	329
330	330
331	331
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851	851	* Solid ON for 5 seconds once device successful Join the network.
852	852	* Blink once when device transmit a packet.
853	853
	862	+
	863	+
854	854	== 2.8  ​Firmware Change Log ==
855	855
856	856
	867	+(((
857	857	**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
	869	+)))
858	858
	871	+(((
	872	+
	873	+)))
859	859
	875	+(((
860	860	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	877	+)))
861	861
862	862
863	863
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1001	1001	[[image:image-20220610172924-5.png]]
1002	1002
1003	1003
	1021	+(((
1004	1004	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
	1023	+)))
1005	1005
1006	1006
1007	1007	[[image:image-20220610172924-6.png||height="601" width="860"]]
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1025	1025	(((
1026	1026	Format: Command Code (0x01) followed by 3 bytes time value.
1027	1027
	1047	+(((
1028	1028	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1049	+)))
1029	1029
1030	1030	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1031	1031	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds