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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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287	287	* 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.
288	288
289	289
290		-
291		-
292	292	=== 2.3.3  Interrupt Pin ===
293	293
294	294	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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317	317
318	318	=== 2.3.5  Sensor Flag ===
319	319
	315	+(((
320	320	0x01: Detect Ultrasonic Sensor
	317	+)))
321	321
	319	+(((
322	322	0x00: No Ultrasonic Sensor
	321	+)))
323	323
324	324
325	325
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332	332
333	333	The payload decoder function for TTN V3 is here:
334	334
	334	+(((
335	335	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	+)))
336	336
337	337
338	338
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858	858	* Solid ON for 5 seconds once device successful Join the network.
859	859	* Blink once when device transmit a packet.
860	860
	862	+
	863	+
861	861	== 2.8  ​Firmware Change Log ==
862	862
863	863
	867	+(((
864	864	**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	+)))
865	865
	871	+(((
	872	+
	873	+)))
866	866
	875	+(((
867	867	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	877	+)))
868	868
869	869
870	870
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1008	1008	[[image:image-20220610172924-5.png]]
1009	1009
1010	1010
	1021	+(((
1011	1011	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	+)))
1012	1012
1013	1013
1014	1014	[[image:image-20220610172924-6.png||height="601" width="860"]]
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1032	1032	(((
1033	1033	Format: Command Code (0x01) followed by 3 bytes time value.
1034	1034
	1047	+(((
1035	1035	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1049	+)))
1036	1036
1037	1037	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1038	1038	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds