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
38		-(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
	63	+(((
	64	+(% 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]]
...	...	@@ -59,6 +59,10 @@
59	59	* IP66 Waterproof Enclosure
60	60	* 4000mAh or 8500mAh Battery for long term use
61	61
	89	+
	90	+
	91	+
	92	+
62	62	== 1.3  Specification ==
63	63
64	64	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -65,12 +65,12 @@
65	65
66	66	[[image:image-20220610154839-1.png]]
67	67
68		-**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
	99	+(((
	100	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
	101	+)))
69	69
70		-**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
71	71
72	72
73		-
74	74	=== 1.3.2  Effective measurement range Reference beam pattern ===
75	75
76	76	**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
...	...	@@ -80,7 +80,10 @@
80	80	[[image:1654852253176-749.png]]
81	81
82	82
	114	+
	115	+(((
83	83	**(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.**
	117	+)))
84	84
85	85
86	86	[[image:1654852175653-550.png]](% style="display:none" %) ** **
...	...	@@ -145,11 +145,17 @@
145	145	[[image:image-20220607170145-1.jpeg]]
146	146
147	147
	182	+(((
148	148	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	184	+)))
149	149
	186	+(((
150	150	Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	188	+)))
151	151
	190	+(((
152	152	**Add APP EUI in the application**
	192	+)))
153	153
154	154	[[image:image-20220610161353-4.png]]
155	155
...	...	@@ -192,11 +192,15 @@
192	192	== 2.3  ​Uplink Payload ==
193	193
194	194	(((
	235	+(((
195	195	LDDS75 will uplink payload via LoRaWAN with below payload format:
	237	+)))
196	196
	239	+(((
197	197	Uplink payload includes in total 4 bytes.
198	198	Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
199	199	)))
	243	+)))
200	200
201	201	(((
202	202
...	...	@@ -207,12 +207,12 @@
207	207	**Size (bytes)**
208	208	)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
209	209	|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
210		-[[Distance>>||anchor="H2.3.3A0Distance"]]
	254	+[[Distance>>||anchor="H2.3.2A0Distance"]]
211	211
212	212	(unit: mm)
213		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
214		-[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
215		-)))|[[Sensor Flag>>path:#Sensor_Flag]]
	257	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
	258	+[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
	259	+)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
216	216
217	217	[[image:1654850511545-399.png]]
218	218
...	...	@@ -231,9 +231,13 @@
231	231
232	232	=== 2.3.2  Distance ===
233	233
	278	+(((
234	234	Get the distance. Flat object range 280mm - 7500mm.
	280	+)))
235	235
	282	+(((
236	236	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.**
	284	+)))
237	237
238	238
239	239	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
...	...	@@ -241,7 +241,7 @@
241	241
242	242	=== 2.3.3  Interrupt Pin ===
243	243
244		-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.
	292	+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.
245	245
246	246	**Example:**
247	247
...	...	@@ -267,15 +267,18 @@
267	267
268	268	=== 2.3.5  Sensor Flag ===
269	269
	318	+(((
270	270	0x01: Detect Ultrasonic Sensor
	320	+)))
271	271
	322	+(((
272	272	0x00: No Ultrasonic Sensor
	324	+)))
273	273
274	274
275	275
	328	+=== 2.3.6  Decode payload in The Things Network ===
276	276
277		-== 2.3.6  Decode payload in The Things Network ==
278		-
279	279	While using TTN network, you can add the payload format to decode the payload.
280	280
281	281
...	...	@@ -283,7 +283,9 @@
283	283
284	284	The payload decoder function for TTN V3 is here:
285	285
	337	+(((
286	286	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/]]
	339	+)))
287	287
288	288
289	289
...	...	@@ -812,10 +812,17 @@
812	812	== 2.8  ​Firmware Change Log ==
813	813
814	814
	868	+(((
815	815	**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
	870	+)))
816	816
	872	+(((
	873	+
	874	+)))
817	817
	876	+(((
818	818	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	878	+)))
819	819
820	820
821	821
...	...	@@ -824,9 +824,11 @@
824	824
825	825	[[image:image-20220610172003-1.png]]
826	826
	887	+
827	827	[[image:image-20220610172003-2.png]]
828	828
829	829
	891	+
830	830	== 2.10  Battery Analysis ==
831	831
832	832	=== 2.10.1  Battery Type ===
...	...	@@ -837,7 +837,7 @@
837	837	The battery related documents as below:
838	838
839	839	* (((
840		-[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	902	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
841	841	)))
842	842	* (((
843	843	[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
...	...	@@ -853,7 +853,7 @@
853	853	=== 2.10.2  Replace the battery ===
854	854
855	855	(((
856		-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.
	918	+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.
857	857	)))
858	858
859	859	(((
...	...	@@ -861,12 +861,12 @@
861	861	)))
862	862
863	863	(((
864		-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)
	926	+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)
865	865	)))
866	866
867	867
868	868
869		-= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
	931	+= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
870	870
871	871	(((
872	872	(((
...	...	@@ -876,7 +876,7 @@
876	876
877	877	* (((
878	878	(((
879		-AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
	941	+AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
880	880	)))
881	881	)))
882	882	* (((
...	...	@@ -957,7 +957,9 @@
957	957	[[image:image-20220610172924-5.png]]
958	958
959	959
	1022	+(((
960	960	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
	1024	+)))
961	961
962	962
963	963	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -981,7 +981,9 @@
981	981	(((
982	982	Format: Command Code (0x01) followed by 3 bytes time value.
983	983
	1048	+(((
984	984	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1050	+)))
985	985
986	986	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
987	987	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
...	...	@@ -1004,7 +1004,9 @@
1004	1004
1005	1005	Format: Command Code (0x06) followed by 3 bytes.
1006	1006
	1073	+(((
1007	1007	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1075	+)))
1008	1008
1009	1009	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1010	1010	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger