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13	13
14	14	**Contents:**
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	16	+{{toc/}}
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	25	+
24	24	= 1.  Introduction =
25	25
26	26	== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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30	30
31	31	(((
32	32	(((
33		-The Dragino LDDS45 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS45 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
	35	+The Dragino LDDS45 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)**ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS45 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
34	34	)))
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97	97	* IP66 Waterproof Enclosure
98	98	* 8500mAh Battery for long term use
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	102	+
	103	+
100	100	== 1.3  Specification ==
101	101
102	102	=== 1.3.1  Rated environmental conditions ===
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143	143	* Sewer
144	144	* Bottom water level monitoring
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	150	+
	151	+
146	146	== 1.6  Pin mapping and power on ==
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148	148
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302	302	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
303	303	* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
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	311	+
	312	+
305	305	=== 2.3.3  Interrupt Pin ===
306	306
307	307	This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
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1008	1008
1009	1009	* (((
1010	1010	(((
1011		-AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
	1019	+AT Command Connection: See [[FAQ>>||anchor="H5.A0FAQ"]].
1012	1012	)))
1013	1013	)))
1014	1014	* (((
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1150	1150	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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1152	1152
1153		-
1154		-
1155	1155	= 5.  FAQ =
1156	1156
1157	1157	== 5.1  What is the frequency plan for LDDS45? ==
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1169	1169
1170		-== 5.3  Can I use LDDS75 in condensation environment? ==
1171		-
1172		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1173		-
1174		-
1175		-
1176	1176	= 6.  Trouble Shooting =
1177	1177
1178		-== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1178	+== 6.1  AT Command input doesn't work ==
1179	1179
1180		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1181		-
1182		-
1183		-== 6.2  AT Command input doesn't work ==
1184		-
1185	1185	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
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1187	1187	(((
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1192	1192	= 7.  Order Info =
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1194	1194
1195		-Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
	1190	+Part Number **:** (% style="color:blue" %)**LDDS45-XX**
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1197	1197
1198	1198	(% style="color:blue" %)**XX**(%%)**: **The default frequency band
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1206	1206	* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1207	1207	* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1208	1208
1209		-(% style="color:blue" %)**YY**(%%): Battery Option
1210	1210
1211		-* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1212		-* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1213		-
1214	1214	= 8. ​ Packing Info =
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1216	1216
1217	1217	**Package Includes**:
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1219		-* LDDS75 LoRaWAN Distance Detection Sensor x 1
	1210	+* LDDS45 LoRaWAN Distance Detection Sensor x 1
1220	1220
1221	1221	**Dimension and weight**:
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1225	1225	* Package Size / pcs : cm
1226	1226	* Weight / pcs : g
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	1219	+
1228	1228	= 9.  ​Support =
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1230	1230	* 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.