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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	* (((
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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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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	1170	= 6.  Trouble Shooting =
1171	1171
1172		-== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
	1178	+== 6.1  AT Command input doesn't work ==
1173	1173
1174		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1175		-
1176		-
1177		-== 6.2  AT Command input doesn't work ==
1178		-
1179	1179	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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1181	1181	(((
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1186	1186	= 7.  Order Info =
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1188	1188
1189		-Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
	1190	+Part Number **:** (% style="color:blue" %)**LDDS45-XX**
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1191	1191
1192	1192	(% style="color:blue" %)**XX**(%%)**: **The default frequency band
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1200	1200	* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1201	1201	* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1202	1202
1203		-(% style="color:blue" %)**YY**(%%): Battery Option
1204	1204
1205		-* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1206		-* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1207		-
1208	1208	= 8. ​ Packing Info =
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1210	1210
1211	1211	**Package Includes**:
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1213		-* LDDS75 LoRaWAN Distance Detection Sensor x 1
	1210	+* LDDS45 LoRaWAN Distance Detection Sensor x 1
1214	1214
1215	1215	**Dimension and weight**:
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1219	1219	* Package Size / pcs : cm
1220	1220	* Weight / pcs : g
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	1219	+
1222	1222	= 9.  ​Support =
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1224	1224	* 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.