Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01

Summary

• Page properties (2 modified, 0 added, 0 removed)
• Attachments (0 modified, 0 added, 19 removed)
  • image-20230614153353-1.png
  • image-20230614162334-2.png
  • image-20230614162359-3.png
  • image-20230615152941-1.png
  • image-20230615153004-2.png
  • image-20230805103904-1.png
  • image-20230805104104-2.png
  • image-20230805144259-1.png
  • image-20230805144936-2.png
  • image-20230805145056-3.png
  • image-20230805150315-4.png
  • image-20230805155335-1.png
  • image-20230805155428-2.png
  • image-20230805155515-3.png
  • image-20231110085300-1.png
  • image-20231110085342-2.png
  • image-20231110091447-3.png
  • image-20231110091506-4.png
  • image-20231110102635-5.png

Details

Page properties

Title

...	...	@@ -1,1 +1,1 @@
1		-DS20L -- LoRaWAN Smart Distance Detector User Manual
	1	+DDS20-LB -- LoRaWAN Ultrasonic Liquid Level Sensor User Manual

Content

...	...	@@ -1,5 +1,5 @@
1	1	(% style="text-align:center" %)
2		-[[image:image-20231110085342-2.png||height="481" width="481"]]
	2	+[[image:image-20230613133716-2.png||height="717" width="717"]]
3	3
4	4
5	5
...	...	@@ -19,430 +19,437 @@
19	19
20	20	= 1. Introduction =
21	21
22		-== 1.1 What is LoRaWAN Smart Distance Detector ==
	22	+== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
23	23
24	24
25		-The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN. DS20L can measure range between 3cm ~~ 200cm.
	25	+The Dragino DDS20-LB is a (% style="color:blue" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send the value via LoRaWAN network to IoT Server.
26	26
27		-DS20L allows users to send data and reach extremely long ranges via LoRaWAN. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current
28		-consumption. It targets professional wireless sensor network applications such smart cities, building automation, and so on.
	27	+The DDS20-LB 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 none-contact measurement makes the measurement safety, easier and possible for some strict situation.
29	29
30		-DS20L has a (% style="color:blue" %)**built-in 2400mAh non-chargeable battery**(%%) for long-term use up to several years*. Users can also power DS20L with an external power source for (% style="color:blue" %)**continuous measuring and distance alarm / counting purposes.**
	29	+DDS20-LB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-LB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**(%%), (% style="color:blue" %)**strong acids**(%%), (% style="color:blue" %)**strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
31	31
32		-DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
	31	+The LoRa wireless technology used in DDS20-LB 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.
33	33
	33	+DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
34	34
35		-[[image:image-20231110102635-5.png||height="402" width="807"]]
	35	+DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
36	36
	37	+Each DDS20-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37	37
	39	+[[image:image-20230613140115-3.png||height="453" width="800"]]
	40	+
	41	+
38	38	== 1.2 ​Features ==
39	39
40	40
41		-* LoRaWAN Class A protocol
42		-* LiDAR distance detector, range 3 ~~ 200cm
43		-* Periodically detect or continuously detect mode
	45	+* LoRaWAN 1.0.3 Class A
	46	+* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
	47	+* Ultra-low power consumption
	48	+* Liquid Level Measurement by Ultrasonic technology
	49	+* Measure through container, No need to contact Liquid
	50	+* Valid level range 20mm - 2000mm
	51	+* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
	52	+* Cable Length : 25cm
	53	+* Support Bluetooth v5.1 and LoRaWAN remote configure
	54	+* Support wireless OTA update firmware
44	44	* AT Commands to change parameters
45		-* Remotely configure parameters via LoRaWAN Downlink
46		-* Alarm & Counting mode
47		-* Firmware upgradable via program port or LoRa protocol
48		-* Built-in 2400mAh battery or power by external power source
	56	+* Downlink to change configure
	57	+* IP66 Waterproof Enclosure
	58	+* 8500mAh Battery for long term use
49	49
50	50
51	51	== 1.3 Specification ==
52	52
53	53
54		-(% style="color:#037691" %)**LiDAR Sensor:**
	64	+(% style="color:#037691" %)**Common DC Characteristics:**
55	55
56		-* Operation Temperature: -40 ~~ 80 °C
57		-* Operation Humidity: 0~~99.9%RH (no Dew)
58		-* Storage Temperature: -10 ~~ 45°C
59		-* Measure Range: 3cm~~200cm @ 90% reflectivity
60		-* Accuracy: ±2cm @ (3cm~~100cm); ±5% @ (100~~200cm)
61		-* ToF FoV: ±9°, Total 18°
62		-* Light source: VCSEL
	66	+* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
	67	+* Operating Temperature: -40 ~~ 85°C
63	63
	69	+(% style="color:#037691" %)**LoRa Spec:**
64	64
	71	+* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
	72	+* Max +22 dBm constant RF output vs.
	73	+* RX sensitivity: down to -139 dBm.
	74	+* Excellent blocking immunity
65	65
	76	+(% style="color:#037691" %)**Battery:**
66	66
67		-== 1.4 Power Consumption ==
	78	+* Li/SOCI2 un-chargeable battery
	79	+* Capacity: 8500mAh
	80	+* Self-Discharge: <1% / Year @ 25°C
	81	+* Max continuously current: 130mA
	82	+* Max boost current: 2A, 1 second
68	68
	84	+(% style="color:#037691" %)**Power Consumption**
69	69
70		-(% style="color:#037691" %)**Battery Power Mode:**
	86	+* Sleep Mode: 5uA @ 3.3v
	87	+* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
71	71
72		-* Idle: 0.003 mA @ 3.3v
73		-* Max : 360 mA
	89	+== 1.4 Suitable Container & Liquid ==
74	74
75		-(% style="color:#037691" %)**Continuously mode**:
76	76
77		-* Idle: 21 mA @ 3.3v
78		-* Max : 360 mA
	92	+* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
	93	+* Container shape is regular, and surface is smooth.
	94	+* Container Thickness:
	95	+** Pure metal material.  2~~8mm, best is 3~~5mm
	96	+** Pure non metal material: <10 mm
	97	+* Pure liquid without irregular deposition.
79	79
	99	+(% style="display:none" %)
80	80
	101	+== 1.5 Install DDS20-LB ==
81	81
82	82
83		-= 2. Configure DS20L to connect to LoRaWAN network =
	104	+(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
84	84
85		-== 2.1 How it works ==
	106	+DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
86	86
	108	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-3.png?rev=1.1||alt="image-20220615091045-3.png"]]
87	87
88		-The DS20L is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DS20L. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
89	89
90		-(% style="display:none" %) (%%)
	111	+(((
	112	+(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
	113	+)))
91	91
92		-== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
	115	+(((
	116	+For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
	117	+)))
93	93
	119	+[[image:image-20230613143052-5.png]]
94	94
95		-Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
96	96
97		-The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.(% style="display:none" %)
	122	+No polish needed if the container is shine metal surface without paint or non-metal container.
98	98
99		-[[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
	124	+[[image:image-20230613143125-6.png]]
100	100
101		-(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
102	102
103		-Each DS20L is shipped with a sticker with the default device EUI as below:
	127	+(((
	128	+(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
	129	+)))
104	104
105		-[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
	131	+(((
	132	+Power on DDS20-LB, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
	133	+)))
106	106
	135	+(((
	136	+It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
	137	+)))
107	107
108		-You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	139	+(((
	140	+After paste the DDS20-LB well, power on DDS20-LB. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
	141	+)))
109	109
110	110
111		-(% style="color:blue" %)**Register the device**
	144	+(((
	145	+(% style="color:blue" %)**LED Status:**
	146	+)))
112	112
113		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
	148	+* (((
	149	+**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
	150	+)))
114	114
	152	+* (((
	153	+(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** always ON**(%%): Sensor is power on but doesn't detect liquid. There is problem in installation point.
	154	+)))
	155	+* (((
	156	+(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
	157	+)))
115	115
116		-(% style="color:blue" %)**Add APP EUI and DEV EUI**
	159	+(((
	160	+LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
	161	+)))
117	117
118		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
119	119
	164	+(((
	165	+(% style="color:red" %)**Note :**(%%)** (% style="color:blue" %)Ultrasonic coupling paste(%%)**(% style="color:blue" %) (%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
	166	+)))
120	120
121		-(% style="color:blue" %)**Add APP EUI in the application**
122	122
	169	+(((
	170	+(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
	171	+)))
123	123
124		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
	173	+(((
	174	+Prepare Eproxy AB glue.
	175	+)))
125	125
	177	+(((
	178	+Put Eproxy AB glue in the sensor and press it hard on the container installation point.
	179	+)))
126	126
127		-(% style="color:blue" %)**Add APP KEY**
	181	+(((
	182	+Reset DDS20-LB and see if the BLUE LED is slowly blinking.
	183	+)))
128	128
129		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
	185	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-8.png?width=341&height=203&rev=1.1||alt="image-20220615091045-8.png"]] [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-9.png?width=284&height=200&rev=1.1||alt="image-20220615091045-9.png"]]
130	130
131	131
132		-(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
	188	+(((
	189	+(% style="color:red" %)**Note :**
133	133
	191	+(% style="color:red" %)**1:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
	192	+)))
134	134
135		-Press the button for 5 seconds to activate the DS20L.
	194	+(((
	195	+(% style="color:red" %)**2:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
	196	+)))
136	136
137		-(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
138	138
139		-After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	199	+== 1.6 Applications ==
140	140
141	141
142		-== 2.3 ​Uplink Payload ==
	202	+* Smart liquid control solution.
143	143
144		-=== 2.3.1 Device Status, FPORT~=5 ===
	204	+* Smart liquefied gas solution.
145	145
	206	+== 1.7 Precautions ==
146	146
147		-Users can use the downlink command(**0x26 01**) to ask DS20L to send device configure detail, include device configure status. DS20L will uplink a payload via FPort=5 to server.
148	148
149		-The Payload format is as below.
	209	+* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
150	150
151		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
152		-|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
153		-**Size(bytes)**
154		-)))|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**1**|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**2**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 50px;" %)**2**
155		-|(% style="width:62.5px" %)Value|(% style="width:110px" %)Sensor Model|(% style="width:48px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:91px" %)Sub-band|(% style="width:60px" %)BAT
	211	+* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
156	156
157		-Example parse in TTNv3
	213	+* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.(% style="display:none" %)
158	158
159		-[[image:image-20230805103904-1.png||height="131" width="711"]]
	215	+== 1.8 Sleep mode and working mode ==
160	160
161		-(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x24
162	162
163		-(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
	218	+(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
164	164
165		-(% style="color:blue" %)**Frequency Band**:
	220	+(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
166	166
167		-0x01: EU868
168	168
169		-0x02: US915
	223	+== 1.9 Button & LEDs ==
170	170
171		-0x03: IN865
172	172
173		-0x04: AU915
	226	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
174	174
175		-0x05: KZ865
176	176
177		-0x06: RU864
	229	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	230	+|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
	231	+|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
	232	+If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
	233	+Meanwhile, BLE module will be active and user can connect via BLE to configure device.
	234	+)))
	235	+|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
	236	+(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
	237	+(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
	238	+Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
	239	+)))
	240	+|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
178	178
179		-0x07: AS923
	242	+== 1.10 BLE connection ==
180	180
181		-0x08: AS923-1
182	182
183		-0x09: AS923-2
	245	+DDS20-LB support BLE remote configure.
184	184
185		-0x0a: AS923-3
	247	+BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
186	186
187		-0x0b: CN470
	249	+* Press button to send an uplink
	250	+* Press button to active device.
	251	+* Device Power on or reset.
188	188
189		-0x0c: EU433
	253	+If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
190	190
191		-0x0d: KR920
192	192
193		-0x0e: MA869
	256	+== 1.11 Pin Definitions ==
194	194
195		-(% style="color:blue" %)**Sub-Band**:
	258	+[[image:image-20230523174230-1.png]]
196	196
197		-AU915 and US915:value 0x00 ~~ 0x08
198	198
199		-CN470: value 0x0B ~~ 0x0C
	261	+== 1.12 Mechanical ==
200	200
201		-Other Bands: Always 0x00
202	202
203		-(% style="color:blue" %)**Battery Info**:
	264	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
204	204
205		-Check the battery voltage.
206	206
207		-Ex1: 0x0B45 = 2885mV
	267	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
208	208
209		-Ex2: 0x0B49 = 2889mV
210	210
	270	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
211	211
212		-=== 2.3.2 Uplink Payload, FPORT~=2 ===
213	213
	273	+(% style="color:blue" %)**Probe Mechanical:**
214	214
215		-(((
216		-DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
	275	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]]
217	217
218		-periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
219	219
220		-Uplink Payload totals 11 bytes.
221		-)))
	278	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
222	222
223		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
224		-|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
225		-**Size(bytes)**
226		-)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white; width: 80px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 70px;" %)**1**
227		-|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
228		-[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
229		-)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
230		-[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
231		-)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
232		-[[Message Type>>||anchor="HMessageType"]]
233		-)))
234	234
235		-[[image:image-20230805104104-2.png||height="136" width="754"]]
	281	+= 2. Configure DDS20-LB to connect to LoRaWAN network =
236	236
	283	+== 2.1 How it works ==
237	237
238		-==== (% style="color:blue" %)**Battery Info**(%%) ====
239	239
	286	+The DDS20-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DDS20-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
240	240
241		-Check the battery voltage for DS20L.
	288	+(% style="display:none" %) (%%)
242	242
243		-Ex1: 0x0B45 = 2885mV
	290	+== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
244	244
245		-Ex2: 0x0B49 = 2889mV
246	246
	293	+Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
247	247
248		-==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
	295	+The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
249	249
	297	+[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
250	250
251		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
252	252
	300	+(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS20-LB.
253	253
254		-**Example**:
	302	+Each DDS20-LB is shipped with a sticker with the default device EUI as below:
255	255
256		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	304	+[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
257	257
258		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
259	259
	307	+You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
260	260
261		-==== (% style="color:blue" %)**Distance**(%%) ====
262	262
	310	+(% style="color:blue" %)**Register the device**
263	263
264		-Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
	312	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
265	265
266	266
267		-**Example**:
	315	+(% style="color:blue" %)**Add APP EUI and DEV EUI**
268	268
269		-If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
	317	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
270	270
271	271
272		-==== (% style="color:blue" %)**Distance signal strength**(%%) ====
	320	+(% style="color:blue" %)**Add APP EUI in the application**
273	273
274	274
275		-Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible.
	323	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
276	276
277	277
278		-**Example**:
	326	+(% style="color:blue" %)**Add APP KEY**
279	279
280		-If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
	328	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
281	281
282		-Customers can judge whether they need to adjust the environment based on the signal strength.
283	283
	331	+(% style="color:blue" %)**Step 2:**(%%) Activate on DDS20-LB
284	284
285		-**1) When the sensor detects valid data:**
286	286
287		-[[image:image-20230805155335-1.png||height="145" width="724"]]
	334	+Press the button for 5 seconds to activate the DDS20-LB.
288	288
	336	+(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
289	289
290		-**2) When the sensor detects invalid data:**
	338	+After join success, it will start to upload messages to TTN and you can see the messages in the panel.
291	291
292		-[[image:image-20230805155428-2.png||height="139" width="726"]]
293	293
	341	+== 2.3  ​Uplink Payload ==
294	294
295		-**3) When the sensor is not connected:**
296	296
297		-[[image:image-20230805155515-3.png||height="143" width="725"]]
	344	+(((
	345	+DDS20-LB will uplink payload via LoRaWAN with below payload format:
	346	+)))
298	298
	348	+(((
	349	+Uplink payload includes in total 8 bytes.
	350	+)))
299	299
300		-==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
	352	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
	353	+|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
	354	+**Size(bytes)**
	355	+)))|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)1|=(% style="background-color:#D9E2F3;color:#0070C0" %)2|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
	356	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
	357	+[[Distance>>||anchor="H2.3.2A0Distance"]]
	358	+(unit: mm)
	359	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
	360	+[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
	361	+)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
301	301
	363	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
302	302
303		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
304	304
305		-Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
	366	+=== 2.3.1  Battery Info ===
306	306
307		-**Example:**
308	308
309		-If byte[0]&0x01=0x00 : Normal uplink packet.
	369	+Check the battery voltage for DDS20-LB.
310	310
311		-If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
	371	+Ex1: 0x0B45 = 2885mV
312	312
	373	+Ex2: 0x0B49 = 2889mV
313	313
314		-==== (% style="color:blue" %)**LiDAR temp**(%%) ====
315	315
	376	+=== 2.3.2  Distance ===
316	316
317		-Characterize the internal temperature value of the sensor.
318	318
319		-**Example: **
320		-If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
321		-If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
322		-
323		-
324		-==== (% style="color:blue" %)**Message Type**(%%) ====
325		-
326		-
327	327	(((
328		-For a normal uplink payload, the message type is always 0x01.
	380	+Get the distance. Flat object range 20mm - 2000mm.
329	329	)))
330	330
331	331	(((
332		-Valid Message Type:
333		-)))
	384	+For example, if the data you get from the register is **0x06 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
334	334
335		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
336		-|=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload**
337		-|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
338		-|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
339		-
340		-[[image:image-20230805150315-4.png||height="233" width="723"]]
341		-
342		-
343		-=== 2.3.3 Historical measuring distance, FPORT~=3 ===
344		-
345		-
346		-DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
347		-
348		-The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
349		-
350		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
351		-|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
352		-**Size(bytes)**
353		-)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
354		-|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
355		-Reserve(0xFF)
356		-)))|Distance|Distance signal strength|(% style="width:88px" %)(((
357		-LiDAR temp
358		-)))|(% style="width:85px" %)Unix TimeStamp
359		-
360		-**Interrupt flag & Interrupt level:**
361		-
362		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
363		-|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
364		-**Size(bit)**
365		-)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
366		-|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
367		-Interrupt flag
	386	+(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
368	368	)))
369	369
370		-* (((
371		-Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands.
372		-)))
	389	+* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
373	373
374		-For example, in the US915 band, the max payload for different DR is:
	391	+* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
375	375
376		-**a) DR0:** max is 11 bytes so one entry of data
	393	+=== 2.3.3  Interrupt Pin ===
377	377
378		-**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
379	379
380		-**c) DR2:** total payload includes 11 entries of data
	396	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
381	381
382		-**d) DR3:** total payload includes 22 entries of data.
	398	+**Example:**
383	383
384		-If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
	400	+0x00: Normal uplink packet.
385	385
	402	+0x01: Interrupt Uplink Packet.
386	386
387		-**Downlink:**
388	388
389		-0x31 64 CC 68 0C 64 CC 69 74 05
	405	+=== 2.3.4  DS18B20 Temperature sensor ===
390	390
391		-[[image:image-20230805144936-2.png||height="113" width="746"]]
392	392
393		-**Uplink:**
	408	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
394	394
395		-43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
	410	+**Example**:
396	396
	412	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
397	397
398		-**Parsed Value:**
	414	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
399	399
400		-[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
401	401
	417	+=== 2.3.5  Sensor Flag ===
402	402
403		-[360,176,30,High,True,2023-08-04 02:53:00],
404	404
405		-[355,168,30,Low,False,2023-08-04 02:53:29],
	420	+(((
	421	+0x01: Detect Ultrasonic Sensor
	422	+)))
406	406
407		-[245,211,30,Low,False,2023-08-04 02:54:29],
	424	+(((
	425	+0x00: No Ultrasonic Sensor
	426	+)))
408	408
409		-[57,700,30,Low,False,2023-08-04 02:55:29],
410	410
411		-[361,164,30,Low,True,2023-08-04 02:56:00],
	429	+=== 2.3.6  Decode payload in The Things Network ===
412	412
413		-[337,184,30,Low,False,2023-08-04 02:56:40],
414	414
415		-[20,4458,30,Low,False,2023-08-04 02:57:40],
	432	+While using TTN network, you can add the payload format to decode the payload.
416	416
417		-[362,173,30,Low,False,2023-08-04 02:58:53],
	434	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850829385-439.png?rev=1.1||alt="1654850829385-439.png"]]
418	418
	436	+The payload decoder function for TTN V3 is here:
419	419
420		-**History read from serial port：**
	438	+(((
	439	+DDS20-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	440	+)))
421	421
422		-[[image:image-20230805145056-3.png]]
423	423
	443	+== 2.4  Uplink Interval ==
424	424
425		-=== 2.3.4 Decode payload in The Things Network ===
426	426
	446	+The DDS20-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
427	427
428		-While using TTN network, you can add the payload format to decode the payload.
429	429
430		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
	449	+== 2.5  ​Show Data in DataCake IoT Server ==
431	431
432	432
433	433	(((
434		-The payload decoder function for TTN is here:
435		-)))
436		-
437		-(((
438		-DS20L TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
439		-)))
440		-
441		-
442		-== 2.4 ​Show Data in DataCake IoT Server ==
443		-
444		-
445		-(((
446	446	[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
447	447	)))
448	448
...	...	@@ -464,7 +464,7 @@
464	464
465	465	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
466	466
467		-(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
	474	+(% style="color:blue" %)**Step 4**(%%)**: Search the DDS20-LB and add DevEUI.**
468	468
469	469	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
470	470
...	...	@@ -474,29 +474,35 @@
474	474	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
475	475
476	476
477		-== 2.5 Datalog Feature ==
478	478
	485	+== 2.6 Datalog Feature ==
479	479
480		-Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DS20L will store the reading for future retrieving purposes.
481	481
	488	+Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS20-LB will store the reading for future retrieving purposes.
482	482
483		-=== 2.5.1 Ways to get datalog via LoRaWAN ===
484	484
	491	+=== 2.6.1 Ways to get datalog via LoRaWAN ===
485	485
486		-Set PNACKMD=1, DS20L will wait for ACK for every uplink, when there is no LoRaWAN network, DS20L will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
487	487
	494	+Set PNACKMD=1, DDS20-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS20-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
	495	+
488	488	* (((
489		-a) DS20L will do an ACK check for data records sending to make sure every data arrive server.
	497	+a) DDS20-LB will do an ACK check for data records sending to make sure every data arrive server.
490	490	)))
491	491	* (((
492		-b) DS20L will send data in **CONFIRMED Mode** when PNACKMD=1, but DS20L won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DS20L gets a ACK, DS20L will consider there is a network connection and resend all NONE-ACK messages.
	500	+b) DDS20-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS20-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS20-LB gets a ACK, DDS20-LB will consider there is a network connection and resend all NONE-ACK messages.
493	493	)))
494	494
495		-=== 2.5.2 Unix TimeStamp ===
	503	+Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
496	496
	505	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
497	497
498		-DS20L uses Unix TimeStamp format based on
499	499
	508	+=== 2.6.2 Unix TimeStamp ===
	509	+
	510	+
	511	+DDS20-LB uses Unix TimeStamp format based on
	512	+
500	500	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
501	501
502	502	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
...	...	@@ -509,23 +509,23 @@
509	509	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
510	510
511	511
512		-=== 2.5.3 Set Device Time ===
	525	+=== 2.6.3 Set Device Time ===
513	513
514	514
515	515	User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
516	516
517		-Once DS20L Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DS20L. If DS20L fails to get the time from the server, DS20L will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
	530	+Once DDS20-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS20-LB. If DDS20-LB fails to get the time from the server, DDS20-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
518	518
519	519	(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
520	520
521	521
522		-=== 2.5.4 Poll sensor value ===
	535	+=== 2.6.4 Poll sensor value ===
523	523
524	524
525	525	Users can poll sensor values based on timestamps. Below is the downlink command.
526	526
527	527	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
528		-|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
	541	+|(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
529	529	|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
530	530	|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
531	531
...	...	@@ -542,24 +542,24 @@
542	542	)))
543	543
544	544	(((
545		-Uplink Internal =5s，means DS20L will send one packet every 5s. range 5~~255s.
	558	+Uplink Internal =5s，means DDS20-LB will send one packet every 5s. range 5~~255s.
546	546	)))
547	547
548	548
549		-== 2.6 Frequency Plans ==
	562	+== 2.7 Frequency Plans ==
550	550
551	551
552		-The DS20L uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
	565	+The DDS20-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
553	553
554	554	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
555	555
556	556
557		-3. Configure DS20L
	570	+= 3. Configure DDS20-LB =
558	558
559	559	== 3.1 Configure Methods ==
560	560
561	561
562		-DS20L supports below configure method:
	575	+DDS20-LB supports below configure method:
563	563
564	564	* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
565	565
...	...	@@ -581,10 +581,10 @@
581	581	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
582	582
583	583
584		-== 3.3 Commands special design for DS20L ==
	597	+== 3.3 Commands special design for DDS20-LB ==
585	585
586	586
587		-These commands only valid for DS20L, as below:
	600	+These commands only valid for DDS20-LB, as below:
588	588
589	589
590	590	=== 3.3.1 Set Transmit Interval Time ===
...	...	@@ -599,7 +599,7 @@
599	599	)))
600	600
601	601	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
602		-|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
	615	+|=(% style="width: 156px;background-color:#D9E2F3; color:#0070c0" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3; color:#0070c0" %)**Function**|=(% style="background-color:#D9E2F3; color:#0070c0" %)**Response**
603	603	|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
604	604	30000
605	605	OK
...	...	@@ -627,32 +627,25 @@
627	627	)))
628	628	* (((
629	629	Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
630		-
631		-
632		-
633	633	)))
634	634
635	635	=== 3.3.2 Set Interrupt Mode ===
636	636
637	637
638		-Feature, Set Interrupt mode for pin of GPIO_EXTI.
	648	+Feature, Set Interrupt mode for PA8 of pin.
639	639
640		-When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
	650	+When AT+INTMOD=0 is set, PA8 is used as a digital input port.
641	641
642	642	(% style="color:blue" %)**AT Command: AT+INTMOD**
643	643
644	644	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
645		-|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
	655	+|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
646	646	|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
647	647	0
648	648	OK
649	649	the mode is 0 =Disable Interrupt
650	650	)))
651		-|(% style="width:154px" %)(((
652		-AT+INTMOD=2
653		-
654		-(default)
655		-)))|(% style="width:196px" %)(((
	661	+|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
656	656	Set Transmit Interval
657	657	0. (Disable Interrupt),
658	658	~1. (Trigger by rising and falling edge)
...	...	@@ -673,7 +673,7 @@
673	673	= 4. Battery & Power Consumption =
674	674
675	675
676		-DS20L use built-in 2400mAh non-chargeable battery for long-term use up to several years*. See below link for detail information about the battery info and how to replace.
	682	+DDS20-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
677	677
678	678	[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
679	679
...	...	@@ -682,7 +682,7 @@
682	682
683	683
684	684	(% class="wikigeneratedid" %)
685		-User can change firmware DS20L to:
	691	+User can change firmware DDS20-LB to:
686	686
687	687	* Change Frequency band/ region.
688	688
...	...	@@ -690,7 +690,7 @@
690	690
691	691	* Fix bugs.
692	692
693		-Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zqv1vt3komgp4tu/AAC33PnXIcWOVl_UXBEAeT_xa?dl=0]]**
	699	+Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
694	694
695	695	Methods to Update Firmware:
696	696
...	...	@@ -700,38 +700,39 @@
700	700
701	701	= 6. FAQ =
702	702
703		-== 6.1 What is the frequency plan for DS20L? ==
	709	+== 6.1  What is the frequency plan for DDS20-LB? ==
704	704
705	705
706		-DS20L use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
	712	+DDS20-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
707	707
708	708
709		-= 7. Trouble Shooting =
	715	+== 6.2  Can I use DDS20-LB in condensation environment? ==
710	710
711		-== 7.1 AT Command input doesn't work ==
712	712
	718	+DDS20-LB is not suitable to be used in condensation environment. Condensation on the DDS20-LB probe will affect the reading and always got 0.
713	713
714		-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:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
715	715
	721	+= 7.  Trouble Shooting =
716	716
717		-== 7.2 Significant error between the output distant value of LiDAR and actual distance ==
	723	+== 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
718	718
719	719
720		-(((
721		-(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance. (such as glass and water, etc.)
722		-)))
	726	+It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
723	723
724		-(((
725		-(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
726		-)))
727	727
	729	+== 7.2  AT Command input doesn't work ==
728	728
729		-(((
730		-(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
731		-)))
732	732
	732	+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:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
	733	+
	734	+
	735	+== 7.3  Why i always see 0x0000 or 0 for the distance value? ==
	736	+
	737	+
733	733	(((
734		-(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
	739	+LDDS20 has a strict [[**installation requirement**>>||anchor="H1.5A0InstallDDS20-LB"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00.
	740	+
	741	+If you have followed the instruction requirement exactly but still see the 0x00 reading issue, please. please double-check the decoder, you can check the raw payload to verify.
735	735	)))
736	736
737	737
...	...	@@ -738,7 +738,7 @@
738	738	= 8. Order Info =
739	739
740	740
741		-Part Number: (% style="color:blue" %)**DS20L-XXX**
	748	+Part Number: (% style="color:blue" %)**DDS20-LB-XXX**
742	742
743	743	(% style="color:red" %)**XXX**(%%): **The default frequency band**
744	744
...	...	@@ -763,7 +763,7 @@
763	763
764	764	(% style="color:#037691" %)**Package Includes**:
765	765
766		-* DS20L LoRaWAN Smart Distance Detector x 1
	773	+* DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor x 1
767	767
768	768	(% style="color:#037691" %)**Dimension and weight**:
769	769

image-20230614153353-1.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-112.1 KB

Content

image-20230614162334-2.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-88.3 KB

Content

image-20230614162359-3.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-88.3 KB

Content

image-20230615152941-1.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-87.9 KB

Content

image-20230615153004-2.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-87.9 KB

Content

image-20230805103904-1.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-46.9 KB

Content

image-20230805104104-2.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-46.3 KB

Content

image-20230805144259-1.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-872.7 KB

Content

image-20230805144936-2.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-37.5 KB

Content

image-20230805145056-3.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-30.7 KB

Content

image-20230805150315-4.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-90.6 KB

Content

image-20230805155335-1.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-45.4 KB

Content

image-20230805155428-2.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-45.5 KB

Content

image-20230805155515-3.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-45.7 KB

Content

image-20231110085300-1.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-613.3 KB

Content

image-20231110085342-2.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-178.7 KB

Content

image-20231110091447-3.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-85.4 KB

Content

image-20231110091506-4.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-85.4 KB

Content

image-20231110102635-5.png

Author

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

Size

...	...	@@ -1,1 +1,0 @@
1		-84.7 KB

Content