Summary

• Page properties (2 modified, 0 added, 0 removed)
• Attachments (0 modified, 4 added, 0 removed)
  • 1655254599445-662.png
  • 1655255122126-327.png
  • image-20220615090910-1.png
  • image-20220615090910-2.png

Details

Page properties

Title

...	...	@@ -1,1 +1,1 @@
1		-LDDS75 - LoRaWAN Distance Detection Sensor User Manual
	1	+LDDS20 - LoRaWAN Ultrasonic Liquid Level Sensor User Manual

Content

...	...	@@ -1,11 +1,10 @@
1	1	(% style="text-align:center" %)
2		-[[image:1654846127817-788.png]]
	2	+[[image:1655254599445-662.png]]
3	3
4		-**Contents:**
5	5
6		-{{toc/}}
7	7
8	8
	7	+**Table of Contents:**
9	9
10	10
11	11
...	...	@@ -12,9 +12,11 @@
12	12
13	13
14	14
	14	+
	15	+
15	15	= 1.  Introduction =
16	16
17		-== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
	18	+== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
18	18
19	19	(((
20	20
...	...	@@ -21,7 +21,8 @@
21	21
22	22	(((
23	23	(((
24		-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	+(((
	26	+The Dragino LDDS20 is a (% style="color:#4472c4" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:#4472c4" %)**none-contact method **(%%)to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server
25	25	)))
26	26
27	27	(((
...	...	@@ -29,7 +29,7 @@
29	29	)))
30	30
31	31	(((
32		-It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
	34	+The LDDS20 sensor is installed directly below the container to detect the height of the liquid level. User doesn’t need to open a hole on the container to be tested. The (% style="color:#4472c4" %)**none-contact measurement makes the measurement safety, easier and possible for some strict situation**.
33	33	)))
34	34
35	35	(((
...	...	@@ -37,7 +37,7 @@
37	37	)))
38	38
39	39	(((
40		-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.
	42	+LDDS20 uses ultrasonic sensing technology for distance measurement. LDDS20 is of high accuracy to measure various liquid such as: (% style="color:#4472c4" %)**toxic substances**(%%), (% style="color:#4472c4" %)**strong acids**(%%), (% style="color:#4472c4" %)**strong alkalis**(%%) and (% style="color:#4472c4" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
41	41	)))
42	42
43	43	(((
...	...	@@ -45,7 +45,7 @@
45	45	)))
46	46
47	47	(((
48		-LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	50	+The LoRa wireless technology used in LDDS20 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.
49	49	)))
50	50
51	51	(((
...	...	@@ -53,7 +53,7 @@
53	53	)))
54	54
55	55	(((
56		-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.
	58	+LDDS20 is powered by (% style="color:#4472c4" %)**8500mA Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
57	57	)))
58	58
59	59	(((
...	...	@@ -61,13 +61,24 @@
61	61	)))
62	62
63	63	(((
	66	+Each LDDS20 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.
	67	+)))
	68	+
	69	+(((
	70	+
	71	+)))
	72	+)))
	73	+
	74	+(((
	75	+(((
64	64	(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
65	65	)))
66	66	)))
67	67	)))
	80	+)))
68	68
69	69
70		-[[image:1654847051249-359.png]]
	83	+[[image:1655255122126-327.png]]
71	71
72	72
73	73
...	...	@@ -75,9 +75,10 @@
75	75
76	76	* LoRaWAN 1.0.3 Class A
77	77	* Ultra low power consumption
78		-* Distance Detection by Ultrasonic technology
79		-* Flat object range 280mm - 7500mm
80		-* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	91	+* Liquid Level Measurement by Ultrasonic technology
	92	+* Measure through container, No need to contact Liquid.
	93	+* Valid level range 20mm - 2000mm
	94	+* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
81	81	* Cable Length : 25cm
82	82	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
83	83	* AT Commands to change parameters
...	...	@@ -84,9 +84,10 @@
84	84	* Uplink on periodically
85	85	* Downlink to change configure
86	86	* IP66 Waterproof Enclosure
87		-* 4000mAh or 8500mAh Battery for long term use
	101	+* 8500mAh Battery for long term use
88	88
89	89
	104	+
90	90	== 1.3  Specification ==
91	91
92	92	=== 1.3.1  Rated environmental conditions ===
...	...	@@ -94,7 +94,9 @@
94	94	[[image:image-20220610154839-1.png]]
95	95
96	96	(((
97		-**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)**
	112	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
	113	+
	114	+**~ 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)**
98	98	)))
99	99
100	100
...	...	@@ -130,8 +130,6 @@
130	130	* Sewer
131	131	* Bottom water level monitoring
132	132
133		-
134		-
135	135	== 1.6  Pin mapping and power on ==
136	136
137	137
...	...	@@ -168,6 +168,8 @@
168	168	)))
169	169
170	170	(((
	186	+
	187	+
171	171	(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
172	172	)))
173	173
...	...	@@ -187,6 +187,8 @@
187	187	)))
188	188
189	189	(((
	207	+
	208	+
190	190	**Add APP EUI in the application**
191	191	)))
192	192
...	...	@@ -274,9 +274,13 @@
274	274
275	275	=== 2.3.2  Distance ===
276	276
	296	+(((
277	277	Get the distance. Flat object range 280mm - 7500mm.
	298	+)))
278	278
	300	+(((
279	279	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.**
	302	+)))
280	280
281	281
282	282	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
...	...	@@ -310,9 +310,13 @@
310	310
311	311	=== 2.3.5  Sensor Flag ===
312	312
	336	+(((
313	313	0x01: Detect Ultrasonic Sensor
	338	+)))
314	314
	340	+(((
315	315	0x00: No Ultrasonic Sensor
	342	+)))
316	316
317	317
318	318
...	...	@@ -325,7 +325,9 @@
325	325
326	326	The payload decoder function for TTN V3 is here:
327	327
	355	+(((
328	328	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/]]
	357	+)))
329	329
330	330
331	331
...	...	@@ -854,10 +854,17 @@
854	854	== 2.8  ​Firmware Change Log ==
855	855
856	856
	886	+(((
857	857	**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/]]
	888	+)))
858	858
	890	+(((
	891	+
	892	+)))
859	859
	894	+(((
860	860	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	896	+)))
861	861
862	862
863	863
...	...	@@ -1001,7 +1001,9 @@
1001	1001	[[image:image-20220610172924-5.png]]
1002	1002
1003	1003
	1040	+(((
1004	1004	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:
	1042	+)))
1005	1005
1006	1006
1007	1007	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -1025,16 +1025,19 @@
1025	1025	(((
1026	1026	Format: Command Code (0x01) followed by 3 bytes time value.
1027	1027
	1066	+(((
1028	1028	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1068	+)))
1029	1029
1030	1030	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1031	1031	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1032	1032	)))
	1073	+)))
1033	1033
1034	1034
1035		-
1036		-)))
1037	1037
	1077	+
	1078	+
1038	1038	== 3.3  Set Interrupt Mode ==
1039	1039
1040	1040	Feature, Set Interrupt mode for GPIO_EXIT.
...	...	@@ -1048,7 +1048,9 @@
1048	1048
1049	1049	Format: Command Code (0x06) followed by 3 bytes.
1050	1050
	1092	+(((
1051	1051	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1094	+)))
1052	1052
1053	1053	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1054	1054	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger

1655254599445-662.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Xiaoling

Size

...	...	@@ -1,0 +1,1 @@
	1	+117.0 KB

Content

1655255122126-327.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Xiaoling

Size

...	...	@@ -1,0 +1,1 @@
	1	+101.7 KB

Content

image-20220615090910-1.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Xiaoling

Size

...	...	@@ -1,0 +1,1 @@
	1	+8.3 KB

Content

image-20220615090910-2.png

Author

...	...	@@ -1,0 +1,1 @@
	1	+XWiki.Xiaoling

Size

...	...	@@ -1,0 +1,1 @@
	1	+5.7 KB

Content