Summary

• Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

...	...	@@ -20,24 +20,51 @@
20	20
21	21
22	22	(((
	23	+(((
23	23	The Dragino LDDS75 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 LDDS75 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.
	25	+)))
24	24
	27	+(((
	28	+
	29	+)))
25	25
	31	+(((
26	26	It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
	33	+)))
27	27
	35	+(((
	36	+
	37	+)))
28	28
	39	+(((
29	29	The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
	41	+)))
30	30
	43	+(((
	44	+
	45	+)))
31	31
	47	+(((
32	32	LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	49	+)))
33	33
	51	+(((
	52	+
	53	+)))
34	34
	55	+(((
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.
	57	+)))
36	36
	59	+(((
	60	+
	61	+)))
37	37
	63	+(((
38	38	(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
39	39	)))
40	40	)))
	67	+)))
41	41
42	42
43	43	[[image:1654847051249-359.png]]
...	...	@@ -60,6 +60,8 @@
60	60	* 4000mAh or 8500mAh Battery for long term use
61	61
62	62
	90	+
	91	+
63	63	== 1.3  Specification ==
64	64
65	65	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -101,8 +101,6 @@
101	101	* Sewer
102	102	* Bottom water level monitoring
103	103
104		-
105		-
106	106	== 1.6  Pin mapping and power on ==
107	107
108	108
...	...	@@ -211,12 +211,12 @@
211	211	**Size (bytes)**
212	212	)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
213	213	|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
214		-[[Distance>>||anchor="H2.3.3A0Distance"]]
	241	+[[Distance>>||anchor="H2.3.2A0Distance"]]
215	215
216	216	(unit: mm)
217		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
218		-[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
219		-)))|[[Sensor Flag>>path:#Sensor_Flag]]
	244	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
	245	+[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
	246	+)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
220	220
221	221	[[image:1654850511545-399.png]]
222	222
...	...	@@ -243,9 +243,10 @@
243	243	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
244	244	* 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.
245	245
	273	+
246	246	=== 2.3.3  Interrupt Pin ===
247	247
248		-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.
	276	+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.
249	249
250	250	**Example:**
251	251
...	...	@@ -812,6 +812,7 @@
812	812	* Solid ON for 5 seconds once device successful Join the network.
813	813	* Blink once when device transmit a packet.
814	814
	843	+
815	815	== 2.8  ​Firmware Change Log ==
816	816
817	817
...	...	@@ -827,9 +827,11 @@
827	827
828	828	[[image:image-20220610172003-1.png]]
829	829
	859	+
830	830	[[image:image-20220610172003-2.png]]
831	831
832	832
	863	+
833	833	== 2.10  Battery Analysis ==
834	834
835	835	=== 2.10.1  Battery Type ===
...	...	@@ -840,7 +840,7 @@
840	840	The battery related documents as below:
841	841
842	842	* (((
843		-[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	874	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
844	844	)))
845	845	* (((
846	846	[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
...	...	@@ -856,7 +856,7 @@
856	856	=== 2.10.2  Replace the battery ===
857	857
858	858	(((
859		-You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
	890	+You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
860	860	)))
861	861
862	862	(((
...	...	@@ -864,7 +864,7 @@
864	864	)))
865	865
866	866	(((
867		-The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	898	+The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
868	868	)))
869	869
870	870
...	...	@@ -879,7 +879,7 @@
879	879
880	880	* (((
881	881	(((
882		-AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
	913	+AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
883	883	)))
884	884	)))
885	885	* (((
...	...	@@ -1012,6 +1012,8 @@
1012	1012	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1013	1013	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1014	1014
	1046	+
	1047	+
1015	1015	= 4.  FAQ =
1016	1016
1017	1017	== 4.1  What is the frequency plan for LDDS75? ==
...	...	@@ -1071,6 +1071,8 @@
1071	1071	* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1072	1072	* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1073	1073
	1107	+
	1108	+
1074	1074	= 7. ​ Packing Info =
1075	1075
1076	1076
...	...	@@ -1085,6 +1085,8 @@
1085	1085	* Package Size / pcs : cm
1086	1086	* Weight / pcs : g
1087	1087
	1123	+
	1124	+
1088	1088	= 8.  ​Support =
1089	1089
1090	1090	* 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.