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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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178	178	[[image:image-20220607170145-1.jpeg]]
179	179
180	180
	178	+(((
181	181	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	180	+)))
182	182
	182	+(((
183	183	Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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184	184
	186	+(((
185	185	**Add APP EUI in the application**
	188	+)))
186	186
187	187	[[image:image-20220610161353-4.png]]
188	188
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225	225	== 2.3  ​Uplink Payload ==
226	226
227	227	(((
	231	+(((
228	228	LDDS75 will uplink payload via LoRaWAN with below payload format:
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229	229
	235	+(((
230	230	Uplink payload includes in total 4 bytes.
231	231	Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
232	232	)))
	239	+)))
233	233
234	234	(((
235	235
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264	264
265	265	=== 2.3.2  Distance ===
266	266
	274	+(((
267	267	Get the distance. Flat object range 280mm - 7500mm.
	276	+)))
268	268
	278	+(((
269	269	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	+)))
270	270
271	271
272	272	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
273	273	* 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.
274	274
	286	+
275	275	=== 2.3.3  Interrupt Pin ===
276	276
277	277	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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300	300
301	301	=== 2.3.5  Sensor Flag ===
302	302
	315	+(((
303	303	0x01: Detect Ultrasonic Sensor
	317	+)))
304	304
	319	+(((
305	305	0x00: No Ultrasonic Sensor
	321	+)))
306	306
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308	308
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315	315
316	316	The payload decoder function for TTN V3 is here:
317	317
	334	+(((
318	318	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	+)))
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841	841	* Solid ON for 5 seconds once device successful Join the network.
842	842	* Blink once when device transmit a packet.
843	843
	862	+
	863	+
844	844	== 2.8  ​Firmware Change Log ==
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