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3	3
4	4	**Contents:**
5	5
6		-{{toc/}}
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8	8
9	9
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11	11
12	12
13	13
14		-
15	15	= 1.  Introduction =
16	16
17	17	== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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35	35	Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
36	36
37	37
38		-(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
	36	+(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
39	39	)))
40	40	)))
41	41
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80	80	[[image:1654852253176-749.png]]
81	81
82	82
83		-
84	84	**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
85	85
86	86
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100	100	* Sewer
101	101	* Bottom water level monitoring
102	102
103		-
104	104	== 1.6  Pin mapping and power on ==
105	105
106	106
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209	209	**Size (bytes)**
210	210	)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
211	211	|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
212		-[[Distance>>||anchor="H2.3.2A0Distance"]]
	208	+[[Distance>>||anchor="H2.3.3A0Distance"]]
213	213
214	214	(unit: mm)
215		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
216		-[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
217		-)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
	211	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
	212	+[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
	213	+)))|[[Sensor Flag>>path:#Sensor_Flag]]
218	218
219	219	[[image:1654850511545-399.png]]
220	220
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243	243
244	244	=== 2.3.3  Interrupt Pin ===
245	245
246		-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.
	242	+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.
247	247
248	248	**Example:**
249	249
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274	274	0x00: No Ultrasonic Sensor
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276	276
	273	+===
	274	+(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
277	277
278		-=== 2.3.6  Decode payload in The Things Network ===
279		-
280	280	While using TTN network, you can add the payload format to decode the payload.
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282	282
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867	867
868	868
869	869
870		-= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
	866	+= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
871	871
872	872	(((
873	873	(((
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1010	1010	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1011	1011	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1012	1012
	1009	+
	1010	+
	1011	+
1013	1013	= 4.  FAQ =
1014	1014
1015	1015	== 4.1  What is the frequency plan for LDDS75? ==
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1069	1069	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1070	1070	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
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	1071	+
	1072	+
	1073	+
1072	1072	= 7. ​ Packing Info =
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1074	1074
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1083	1083	* Package Size / pcs : cm
1084	1084	* Weight / pcs : g
1085	1085
	1088	+
	1089	+
	1090	+
1086	1086	= 8.  ​Support =
1087	1087
1088	1088	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.