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

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Details

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1		-DDS20-LB -- LoRaWAN Ultrasonic Liquid Level Sensor User Manual
	1	+LDS12-LB -- LoRaWAN LiDAR ToF Distance Sensor User Manual

Content

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1	1	(% style="text-align:center" %)
2		-[[image:image-20230613133716-2.png||height="717" width="717"]]
	2	+[[image:image-20230614153353-1.png]]
3	3
4	4
5	5
...	...	@@ -7,7 +7,6 @@
7	7
8	8
9	9
10		-
11	11	**Table of Contents：**
12	12
13	13	{{toc/}}
...	...	@@ -19,24 +19,24 @@
19	19
20	20	= 1. Introduction =
21	21
22		-== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
	21	+== 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
23	23
24	24
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.
	24	+The Dragino LDS12-LB is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
26	26
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.
	26	+The LDS12-LB can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
28	28
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.
	28	+It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
30	30
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.
	30	+The LoRa wireless technology used in LDS12-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.
32	32
33		-DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
	32	+LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
34	34
35		-DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	34	+LDS12-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.
	36	+Each LDS12-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.
38	38
39		-[[image:image-20230613140115-3.png||height="453" width="800"]]
	38	+[[image:image-20230615152941-1.png||height="459" width="800"]]
40	40
41	41
42	42	== 1.2 ​Features ==
...	...	@@ -45,16 +45,14 @@
45	45	* LoRaWAN 1.0.3 Class A
46	46	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
47	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
	47	+* Laser technology for distance detection
	48	+* Measure Distance: 0.1m~~12m @ 90% Reflectivity
	49	+* Accuracy :  ±5cm@(0.1-6m), ±1%@(6m-12m)
	50	+* Monitor Battery Level
53	53	* Support Bluetooth v5.1 and LoRaWAN remote configure
54	54	* Support wireless OTA update firmware
55	55	* AT Commands to change parameters
56	56	* Downlink to change configure
57		-* IP66 Waterproof Enclosure
58	58	* 8500mAh Battery for long term use
59	59
60	60
...	...	@@ -67,6 +67,23 @@
67	67	* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
68	68	* Operating Temperature: -40 ~~ 85°C
69	69
	67	+(% style="color:#037691" %)**Probe Specification:**
	68	+
	69	+* Storage temperature：-20℃~~75℃
	70	+* Operating temperature : -20℃~~60℃
	71	+* Measure Distance:
	72	+** 0.1m ~~ 12m @ 90% Reflectivity
	73	+** 0.1m ~~ 4m @ 10% Reflectivity
	74	+* Accuracy : ±5cm@(0.1-6m), ±1%@(6m-12m)
	75	+* Distance resolution : 5mm
	76	+* Ambient light immunity : 70klux
	77	+* Enclosure rating : IP65
	78	+* Light source : LED
	79	+* Central wavelength : 850nm
	80	+* FOV : 3.6°
	81	+* Material of enclosure : ABS+PC
	82	+* Wire length : 25cm
	83	+
70	70	(% style="color:#037691" %)**LoRa Spec:**
71	71
72	72	* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -89,379 +89,451 @@
89	89
90	90
91	91
92		-== 1.4 Suitable Container & Liquid ==
	106	+== 1.4 Applications ==
93	93
94	94
95		-* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
96		-* Container shape is regular, and surface is smooth.
97		-* Container Thickness:
98		-** Pure metal material.  2~~8mm, best is 3~~5mm
99		-** Pure non metal material: <10 mm
100		-* Pure liquid without irregular deposition.
	109	+* Horizontal distance measurement
	110	+* Parking management system
	111	+* Object proximity and presence detection
	112	+* Intelligent trash can management system
	113	+* Robot obstacle avoidance
	114	+* Automatic control
	115	+* Sewer
101	101
102	102
103	103
104	104	(% style="display:none" %)
105	105
106		-== 1.5 Install DDS20-LB ==
	121	+== 1.5 Sleep mode and working mode ==
107	107
108	108
109		-(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
	124	+(% 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.
110	110
111		-DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
	126	+(% 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.
112	112
113		-[[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"]]
114	114
	129	+== 1.6 Button & LEDs ==
115	115
116		-(((
117		-(% style="color:blue" %)**Step 2**(%%):  **Polish the installation point.**
118		-)))
119	119
120		-(((
121		-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.
	132	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
	133	+
	134	+
	135	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	136	+|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 225px;background-color:#4F81BD;color:white" %)**Action**
	137	+|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
	138	+If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
	139	+Meanwhile, BLE module will be active and user can connect via BLE to configure device.
122	122	)))
	141	+|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
	142	+(% 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.
	143	+(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
	144	+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.
	145	+)))
	146	+|(% 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.
123	123
124		-[[image:image-20230613143052-5.png]]
125	125
126	126
127		-No polish needed if the container is shine metal surface without paint or non-metal container.
	150	+== 1.7 BLE connection ==
128	128
129		-[[image:image-20230613143125-6.png]]
130	130
	153	+LDS12-LB support BLE remote configure.
131	131
132		-(((
133		-(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
134		-)))
	155	+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:
135	135
136		-(((
137		-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.
138		-)))
	157	+* Press button to send an uplink
	158	+* Press button to active device.
	159	+* Device Power on or reset.
139	139
140		-(((
141		-It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
142		-)))
	161	+If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
143	143
144		-(((
145		-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.
146		-)))
147	147
	164	+== 1.8 Pin Definitions ==
148	148
149		-(((
150		-(% style="color:blue" %)**LED Status:**
151		-)))
152	152
153		-* (((
154		-**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
155		-)))
	167	+[[image:image-20230805144259-1.png||height="413" width="741"]]
156	156
157		-* (((
158		-(% 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.
159		-)))
160		-* (((
161		-(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
162		-)))
	169	+== 1.9 Mechanical ==
163	163
164		-(((
165		-LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
166		-)))
167	167
	172	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
168	168
169		-(((
170		-(% 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.
171		-)))
172	172
	175	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
173	173
174		-(((
175		-(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
176		-)))
177	177
178		-(((
179		-Prepare Eproxy AB glue.
180		-)))
	178	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
181	181
182		-(((
183		-Put Eproxy AB glue in the sensor and press it hard on the container installation point.
184		-)))
185	185
186		-(((
187		-Reset DDS20-LB and see if the BLUE LED is slowly blinking.
188		-)))
	181	+(% style="color:blue" %)**Probe Mechanical:**
189	189
190		-[[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"]]
191	191
	184	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654827224480-952.png?rev=1.1||alt="1654827224480-952.png"]]
192	192
193		-(((
194		-(% style="color:red" %)**Note :**
195	195
196		-(% 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.
197		-)))
	187	+= 2. Configure LDS12-LB to connect to LoRaWAN network =
198	198
199		-(((
200		-(% 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.
201		-)))
	189	+== 2.1 How it works ==
202	202
203	203
204		-== 1.6 Applications ==
	192	+The LDS12-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 LDS12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
205	205
	194	+(% style="display:none" %) (%%)
206	206
207		-* Smart liquid control solution
	196	+== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
208	208
209		-* Smart liquefied gas solution
210	210
	199	+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.
211	211
	201	+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.
212	212
213		-== 1.7 Precautions ==
	203	+[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
214	214
215	215
216		-* 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.
	206	+(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
217	217
218		-* 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.
	208	+Each LDS12-LB is shipped with a sticker with the default device EUI as below:
219	219
220		-* 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.
	210	+[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
221	221
222	222
223		-(% style="display:none" %)
	213	+You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
224	224
225		-== 1.8 Sleep mode and working mode ==
226	226
	216	+(% style="color:blue" %)**Register the device**
227	227
228		-(% 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.
	218	+[[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"]]
229	229
230		-(% 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.
231	231
	221	+(% style="color:blue" %)**Add APP EUI and DEV EUI**
232	232
233		-== 1.9 Button & LEDs ==
	223	+[[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"]]
234	234
235	235
236		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
	226	+(% style="color:blue" %)**Add APP EUI in the application**
237	237
238	238
239		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
240		-|=(% 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**
241		-|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
242		-If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
243		-Meanwhile, BLE module will be active and user can connect via BLE to configure device.
244		-)))
245		-|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
246		-(% 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.
247		-(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
248		-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.
249		-)))
250		-|(% 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.
	229	+[[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"]]
251	251
252	252
	232	+(% style="color:blue" %)**Add APP KEY**
253	253
254		-== 1.10 BLE connection ==
	234	+[[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"]]
255	255
256	256
257		-DDS20-LB support BLE remote configure.
	237	+(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
258	258
259		-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:
260	260
261		-* Press button to send an uplink
262		-* Press button to active device.
263		-* Device Power on or reset.
	240	+Press the button for 5 seconds to activate the LDS12-LB.
264	264
265		-If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
	242	+(% 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.
266	266
	244	+After join success, it will start to upload messages to TTN and you can see the messages in the panel.
267	267
268		-== 1.11 Pin Definitions ==
269	269
270		-[[image:image-20230523174230-1.png]]
	247	+== 2.3 ​Uplink Payload ==
271	271
	249	+=== 2.3.1 Device Status, FPORT~=5 ===
272	272
273		-== 1.12 Mechanical ==
274	274
	252	+Users can use the downlink command(**0x26 01**) to ask LDS12-LB to send device configure detail, include device configure status. LDS12-LB will uplink a payload via FPort=5 to server.
275	275
276		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
	254	+The Payload format is as below.
277	277
	256	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	257	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	258	+**Size(bytes)**
	259	+)))|=(% 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**
	260	+|(% 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
278	278
279		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
	262	+Example parse in TTNv3
280	280
	264	+[[image:image-20230805103904-1.png||height="131" width="711"]]
281	281
282		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
	266	+(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24
283	283
	268	+(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
284	284
285		-(% style="color:blue" %)**Probe Mechanical:**
	270	+(% style="color:blue" %)**Frequency Band**:
286	286
287		-[[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"]]
	272	+0x01: EU868
288	288
	274	+0x02: US915
289	289
290		-[[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"]]
	276	+0x03: IN865
291	291
	278	+0x04: AU915
292	292
293		-= 2. Configure DDS20-LB to connect to LoRaWAN network =
	280	+0x05: KZ865
294	294
295		-== 2.1 How it works ==
	282	+0x06: RU864
296	296
	284	+0x07: AS923
297	297
298		-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.
	286	+0x08: AS923-1
299	299
300		-(% style="display:none" %) (%%)
	288	+0x09: AS923-2
301	301
302		-== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
	290	+0x0a: AS923-3
303	303
	292	+0x0b: CN470
304	304
305		-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.
	294	+0x0c: EU433
306	306
307		-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.
	296	+0x0d: KR920
308	308
309		-[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
	298	+0x0e: MA869
310	310
	300	+(% style="color:blue" %)**Sub-Band**:
311	311
312		-(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS20-LB.
	302	+AU915 and US915:value 0x00 ~~ 0x08
313	313
314		-Each DDS20-LB is shipped with a sticker with the default device EUI as below:
	304	+CN470: value 0x0B ~~ 0x0C
315	315
316		-[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
	306	+Other Bands: Always 0x00
317	317
	308	+(% style="color:blue" %)**Battery Info**:
318	318
319		-You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	310	+Check the battery voltage.
320	320
	312	+Ex1: 0x0B45 = 2885mV
321	321
322		-(% style="color:blue" %)**Register the device**
	314	+Ex2: 0x0B49 = 2889mV
323	323
324		-[[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"]]
325	325
	317	+=== 2.3.2 Uplink Payload, FPORT~=2 ===
326	326
327		-(% style="color:blue" %)**Add APP EUI and DEV EUI**
328	328
329		-[[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"]]
	320	+(((
	321	+LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will:
330	330
	323	+periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
331	331
332		-(% style="color:blue" %)**Add APP EUI in the application**
	325	+Uplink Payload totals 11 bytes.
	326	+)))
333	333
	328	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	329	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	330	+**Size(bytes)**
	331	+)))|=(% 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**
	332	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
	333	+[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
	334	+)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
	335	+[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
	336	+)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
	337	+[[Message Type>>||anchor="HMessageType"]]
	338	+)))
334	334
335		-[[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"]]
	340	+[[image:image-20230805104104-2.png||height="136" width="754"]]
336	336
337	337
338		-(% style="color:blue" %)**Add APP KEY**
	343	+==== (% style="color:blue" %)**Battery Info**(%%) ====
339	339
340		-[[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"]]
341	341
	346	+Check the battery voltage for LDS12-LB.
342	342
343		-(% style="color:blue" %)**Step 2:**(%%) Activate on DDS20-LB
	348	+Ex1: 0x0B45 = 2885mV
344	344
	350	+Ex2: 0x0B49 = 2889mV
345	345
346		-Press the button for 5 seconds to activate the DDS20-LB.
347	347
348		-(% 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.
	353	+==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
349	349
350		-After join success, it will start to upload messages to TTN and you can see the messages in the panel.
351	351
	356	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
352	352
353		-== 2.3  ​Uplink Payload ==
354	354
	359	+**Example**:
355	355
356		-(((
357		-DDS20-LB will uplink payload via LoRaWAN with below payload format:
358		-)))
	361	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
359	359
360		-(((
361		-Uplink payload includes in total 8 bytes.
362		-)))
	363	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
363	363
364		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
365		-|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
366		-**Size(bytes)**
367		-)))|=(% 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**
368		-|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
369		-[[Distance>>||anchor="H2.3.2A0Distance"]]
370		-(unit: mm)
371		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
372		-[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
373		-)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
374	374
375		-[[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"]]
	366	+==== (% style="color:blue" %)**Distance**(%%) ====
376	376
377	377
378		-=== 2.3.1  Battery Info ===
	369	+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.
379	379
380	380
381		-Check the battery voltage for DDS20-LB.
	372	+**Example**:
382	382
383		-Ex1: 0x0B45 = 2885mV
	374	+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.
384	384
385		-Ex2: 0x0B49 = 2889mV
386	386
	377	+==== (% style="color:blue" %)**Distance signal strength**(%%) ====
387	387
388		-=== 2.3.2  Distance ===
389	389
	380	+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.
390	390
391		-(((
392		-Get the distance. Flat object range 20mm - 2000mm.
393		-)))
394	394
395		-(((
396		-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" %)** **
	383	+**Example**:
397	397
398		-(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
399		-)))
	385	+If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
400	400
401		-* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
	387	+Customers can judge whether they need to adjust the environment based on the signal strength.
402	402
403		-* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
404	404
405		-=== 2.3.3  Interrupt Pin ===
	390	+**1) When the sensor detects valid data:**
406	406
	392	+[[image:image-20230805155335-1.png||height="145" width="724"]]
407	407
408		-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.
409	409
410		-**Example:**
	395	+**2) When the sensor detects invalid data:**
411	411
412		-0x00: Normal uplink packet.
	397	+[[image:image-20230805155428-2.png||height="139" width="726"]]
413	413
414		-0x01: Interrupt Uplink Packet.
415	415
	400	+**3) When the sensor is not connected:**
416	416
417		-=== 2.3.4  DS18B20 Temperature sensor ===
	402	+[[image:image-20230805155515-3.png||height="143" width="725"]]
418	418
419	419
420		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
	405	+==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
421	421
422		-**Example**:
423	423
424		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	408	+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.
425	425
426		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	410	+Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]] of GPIO_EXTI .
427	427
	412	+**Example:**
428	428
429		-=== 2.3.5  Sensor Flag ===
	414	+If byte[0]&0x01=0x00 : Normal uplink packet.
430	430
	416	+If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
431	431
	418	+
	419	+==== (% style="color:blue" %)**LiDAR temp**(%%) ====
	420	+
	421	+
	422	+Characterize the internal temperature value of the sensor.
	423	+
	424	+**Example: **
	425	+If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
	426	+If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
	427	+
	428	+
	429	+==== (% style="color:blue" %)**Message Type**(%%) ====
	430	+
	431	+
432	432	(((
433		-0x01: Detect Ultrasonic Sensor
	433	+For a normal uplink payload, the message type is always 0x01.
434	434	)))
435	435
436	436	(((
437		-0x00: No Ultrasonic Sensor
	437	+Valid Message Type:
438	438	)))
439	439
	440	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
	441	+|=(% 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**
	442	+|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
	443	+|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
440	440
441		-=== 2.3.6  Decode payload in The Things Network ===
	445	+[[image:image-20230805150315-4.png||height="233" width="723"]]
442	442
443	443
444		-While using TTN network, you can add the payload format to decode the payload.
	448	+=== 2.3.3 Historical measuring distance, FPORT~=3 ===
445	445
446		-[[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"]]
447	447
448		-The payload decoder function for TTN V3 is here:
	451	+LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
449	449
450		-(((
451		-DDS20-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	453	+The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
	454	+
	455	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	456	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	457	+**Size(bytes)**
	458	+)))|=(% 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
	459	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
	460	+Reserve(0xFF)
	461	+)))|Distance|Distance signal strength|(% style="width:88px" %)(((
	462	+LiDAR temp
	463	+)))|(% style="width:85px" %)Unix TimeStamp
	464	+
	465	+**Interrupt flag & Interrupt level:**
	466	+
	467	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
	468	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	469	+**Size(bit)**
	470	+)))|=(% 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**
	471	+|(% 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" %)(((
	472	+Interrupt flag
452	452	)))
453	453
	475	+* (((
	476	+Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands.
	477	+)))
454	454
455		-== 2.4  Uplink Interval ==
	479	+For example, in the US915 band, the max payload for different DR is:
456	456
	481	+**a) DR0:** max is 11 bytes so one entry of data
457	457
458		-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"]]
	483	+**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
459	459
	485	+**c) DR2:** total payload includes 11 entries of data
460	460
461		-== 2.5  ​Show Data in DataCake IoT Server ==
	487	+**d) DR3:** total payload includes 22 entries of data.
462	462
	489	+If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0
463	463
	491	+
	492	+**Downlink:**
	493	+
	494	+0x31 64 CC 68 0C 64 CC 69 74 05
	495	+
	496	+[[image:image-20230805144936-2.png||height="113" width="746"]]
	497	+
	498	+**Uplink:**
	499	+
	500	+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
	501	+
	502	+
	503	+**Parsed Value:**
	504	+
	505	+[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
	506	+
	507	+
	508	+[360,176,30,High,True,2023-08-04 02:53:00],
	509	+
	510	+[355,168,30,Low,False,2023-08-04 02:53:29],
	511	+
	512	+[245,211,30,Low,False,2023-08-04 02:54:29],
	513	+
	514	+[57,700,30,Low,False,2023-08-04 02:55:29],
	515	+
	516	+[361,164,30,Low,True,2023-08-04 02:56:00],
	517	+
	518	+[337,184,30,Low,False,2023-08-04 02:56:40],
	519	+
	520	+[20,4458,30,Low,False,2023-08-04 02:57:40],
	521	+
	522	+[362,173,30,Low,False,2023-08-04 02:58:53],
	523	+
	524	+
	525	+**History read from serial port：**
	526	+
	527	+[[image:image-20230805145056-3.png]]
	528	+
	529	+
	530	+=== 2.3.4 Decode payload in The Things Network ===
	531	+
	532	+
	533	+While using TTN network, you can add the payload format to decode the payload.
	534	+
	535	+[[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"]]
	536	+
	537	+
464	464	(((
	539	+The payload decoder function for TTN is here:
	540	+)))
	541	+
	542	+(((
	543	+LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	544	+)))
	545	+
	546	+
	547	+== 2.4 ​Show Data in DataCake IoT Server ==
	548	+
	549	+
	550	+(((
465	465	[[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:
466	466	)))
467	467
...	...	@@ -483,7 +483,7 @@
483	483
484	484	(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
485	485
486		-(% style="color:blue" %)**Step 4**(%%)**: Search the DDS20-LB and add DevEUI.**
	572	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
487	487
488	488	[[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"]]
489	489
...	...	@@ -493,23 +493,22 @@
493	493	[[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"]]
494	494
495	495
	582	+== 2.5 Datalog Feature ==
496	496
497		-== 2.6 Datalog Feature ==
498	498
	585	+Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes.
499	499
500		-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.
501	501
	588	+=== 2.5.1 Ways to get datalog via LoRaWAN ===
502	502
503		-=== 2.6.1 Ways to get datalog via LoRaWAN ===
504	504
	591	+Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-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.
505	505
506		-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.
507		-
508	508	* (((
509		-a) DDS20-LB will do an ACK check for data records sending to make sure every data arrive server.
	594	+a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
510	510	)))
511	511	* (((
512		-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.
	597	+b) LDS12-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but LDS12-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 LDS12-LB gets a ACK, LDS12-LB will consider there is a network connection and resend all NONE-ACK messages.
513	513	)))
514	514
515	515	Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
...	...	@@ -517,10 +517,10 @@
517	517	[[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"]]
518	518
519	519
520		-=== 2.6.2 Unix TimeStamp ===
	605	+=== 2.5.2 Unix TimeStamp ===
521	521
522	522
523		-DDS20-LB uses Unix TimeStamp format based on
	608	+LDS12-LB uses Unix TimeStamp format based on
524	524
525	525	[[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"]]
526	526
...	...	@@ -534,23 +534,23 @@
534	534	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
535	535
536	536
537		-=== 2.6.3 Set Device Time ===
	622	+=== 2.5.3 Set Device Time ===
538	538
539	539
540	540	User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
541	541
542		-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).
	627	+Once LDS12-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LDS12-LB. If LDS12-LB fails to get the time from the server, LDS12-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
543	543
544	544	(% 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.**
545	545
546	546
547		-=== 2.6.4 Poll sensor value ===
	632	+=== 2.5.4 Poll sensor value ===
548	548
549	549
550	550	Users can poll sensor values based on timestamps. Below is the downlink command.
551	551
552	552	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
553		-|(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
	638	+|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
554	554	|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
555	555	|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
556	556
...	...	@@ -567,24 +567,112 @@
567	567	)))
568	568
569	569	(((
570		-Uplink Internal =5s，means DDS20-LB will send one packet every 5s. range 5~~255s.
	655	+Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
571	571	)))
572	572
573	573
574		-== 2.7 Frequency Plans ==
	659	+== 2.6 Frequency Plans ==
575	575
576	576
577		-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.
	662	+The LDS12-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.
578	578
579	579	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
580	580
581	581
582		-= 3. Configure DDS20-LB =
	667	+== 2.7 LiDAR ToF Measurement ==
583	583
	669	+=== 2.7.1 Principle of Distance Measurement ===
	670	+
	671	+
	672	+The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
	673	+
	674	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]]
	675	+
	676	+
	677	+=== 2.7.2 Distance Measurement Characteristics ===
	678	+
	679	+
	680	+With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
	681	+
	682	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831774373-275.png?rev=1.1||alt="1654831774373-275.png"]]
	683	+
	684	+
	685	+(((
	686	+(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
	687	+)))
	688	+
	689	+(((
	690	+(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
	691	+)))
	692	+
	693	+(((
	694	+(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
	695	+)))
	696	+
	697	+
	698	+(((
	699	+Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
	700	+)))
	701	+
	702	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831797521-720.png?rev=1.1||alt="1654831797521-720.png"]]
	703	+
	704	+(((
	705	+In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
	706	+)))
	707	+
	708	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831810009-716.png?rev=1.1||alt="1654831810009-716.png"]]
	709	+
	710	+(((
	711	+If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
	712	+)))
	713	+
	714	+
	715	+=== 2.7.3 Notice of usage ===
	716	+
	717	+
	718	+Possible invalid /wrong reading for LiDAR ToF tech:
	719	+
	720	+* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
	721	+* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
	722	+* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
	723	+* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
	724	+
	725	+
	726	+
	727	+=== 2.7.4  Reflectivity of different objects ===
	728	+
	729	+
	730	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
	731	+|=(% style="width: 54px;background-color:#4F81BD;color:white" %)Item|=(% style="width: 231px;background-color:#4F81BD;color:white" %)Material|=(% style="width: 94px;background-color:#4F81BD;color:white" %)Relectivity
	732	+|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
	733	+|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
	734	+|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
	735	+|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
	736	+|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
	737	+|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
	738	+|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
	739	+|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
	740	+|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
	741	+|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
	742	+|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
	743	+|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
	744	+|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
	745	+|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
	746	+|(% style="width:53px" %)15|(% style="width:229px" %)(((
	747	+Unpolished white metal surface
	748	+)))|(% style="width:93px" %)130%
	749	+|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
	750	+|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
	751	+|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
	752	+
	753	+
	754	+
	755	+= 3. Configure LDS12-LB =
	756	+
584	584	== 3.1 Configure Methods ==
585	585
586	586
587		-DDS20-LB supports below configure method:
	760	+LDS12-LB supports below configure method:
588	588
589	589	* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
590	590
...	...	@@ -592,6 +592,8 @@
592	592
593	593	* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
594	594
	768	+
	769	+
595	595	== 3.2 General Commands ==
596	596
597	597
...	...	@@ -606,10 +606,10 @@
606	606	[[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/]]
607	607
608	608
609		-== 3.3 Commands special design for DDS20-LB ==
	784	+== 3.3 Commands special design for LDS12-LB ==
610	610
611	611
612		-These commands only valid for DDS20-LB, as below:
	787	+These commands only valid for LDS12-LB, as below:
613	613
614	614
615	615	=== 3.3.1 Set Transmit Interval Time ===
...	...	@@ -624,7 +624,7 @@
624	624	)))
625	625
626	626	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
627		-|=(% 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**
	802	+|=(% 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**
628	628	|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
629	629	30000
630	630	OK
...	...	@@ -652,25 +652,32 @@
652	652	)))
653	653	* (((
654	654	Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
	830	+
	831	+
	832	+
655	655	)))
656	656
657	657	=== 3.3.2 Set Interrupt Mode ===
658	658
659	659
660		-Feature, Set Interrupt mode for PA8 of pin.
	838	+Feature, Set Interrupt mode for pin of GPIO_EXTI.
661	661
662		-When AT+INTMOD=0 is set, PA8 is used as a digital input port.
	840	+When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
663	663
664	664	(% style="color:blue" %)**AT Command: AT+INTMOD**
665	665
666	666	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
667		-|=(% 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**
	845	+|=(% 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**
668	668	|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
669	669	0
670	670	OK
671	671	the mode is 0 =Disable Interrupt
672	672	)))
673		-|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
	851	+|(% style="width:154px" %)(((
	852	+AT+INTMOD=2
	853	+
	854	+(default)
	855	+)))|(% style="width:196px" %)(((
674	674	Set Transmit Interval
675	675	0. (Disable Interrupt),
676	676	~1. (Trigger by rising and falling edge)
...	...	@@ -688,10 +688,43 @@
688	688
689	689	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
690	690
	873	+
	874	+
	875	+=== 3.3.3  Set Power Output Duration ===
	876	+
	877	+Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will
	878	+
	879	+~1. first enable the power output to external sensor,
	880	+
	881	+2. keep it on as per duration, read sensor value and construct uplink payload
	882	+
	883	+3. final, close the power output.
	884	+
	885	+(% style="color:blue" %)**AT Command: AT+3V3T**
	886	+
	887	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	888	+|=(% 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**
	889	+|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
	890	+OK
	891	+|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
	892	+|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
	893	+|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK
	894	+
	895	+(% style="color:blue" %)**Downlink Command: 0x07**(%%)
	896	+Format: Command Code (0x07) followed by 3 bytes.
	897	+
	898	+The first byte is 01,the second and third bytes are the time to turn on.
	899	+
	900	+* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
	901	+* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
	902	+* Example 3: Downlink Payload: 07 01 FF FF  **~-~-->**  AT+3V3T=65535
	903	+
	904	+
	905	+
691	691	= 4. Battery & Power Consumption =
692	692
693	693
694		-DDS20-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
	909	+LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
695	695
696	696	[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
697	697
...	...	@@ -700,7 +700,7 @@
700	700
701	701
702	702	(% class="wikigeneratedid" %)
703		-User can change firmware DDS20-LB to:
	918	+User can change firmware LDS12-LB to:
704	704
705	705	* Change Frequency band/ region.
706	706
...	...	@@ -708,7 +708,7 @@
708	708
709	709	* Fix bugs.
710	710
711		-Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
	926	+Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
712	712
713	713	Methods to Update Firmware:
714	714
...	...	@@ -716,41 +716,42 @@
716	716
717	717	* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
718	718
719		-= 6. FAQ =
720	720
721		-== 6.1  What is the frequency plan for DDS20-LB? ==
722	722
	936	+= 6. FAQ =
723	723
724		-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"]]
	938	+== 6.1 What is the frequency plan for LDS12-LB? ==
725	725
726	726
727		-== 6.2  Can I use DDS20-LB in condensation environment? ==
	941	+LDS12-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"]]
728	728
729	729
730		-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.
	944	+= 7. Trouble Shooting =
731	731
	946	+== 7.1 AT Command input doesn't work ==
732	732
733		-= 7.  Trouble Shooting =
734	734
735		-== 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
	949	+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.
736	736
737	737
738		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	952	+== 7.2 Significant error between the output distant value of LiDAR and actual distance ==
739	739
740	740
741		-== 7.2  AT Command input doesn't work ==
	955	+(((
	956	+(% 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.)
	957	+)))
742	742
	959	+(((
	960	+(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
	961	+)))
743	743
744		-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.
745	745
746		-
747		-== 7.3  Why i always see 0x0000 or 0 for the distance value? ==
748		-
749		-
750	750	(((
751		-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.
	965	+(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
	966	+)))
752	752
753		-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.
	968	+(((
	969	+(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
754	754	)))
755	755
756	756
...	...	@@ -757,7 +757,7 @@
757	757	= 8. Order Info =
758	758
759	759
760		-Part Number: (% style="color:blue" %)**DDS20-LB-XXX**
	976	+Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
761	761
762	762	(% style="color:red" %)**XXX**(%%): **The default frequency band**
763	763
...	...	@@ -777,12 +777,14 @@
777	777
778	778	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
779	779
	996	+
	997	+
780	780	= 9. ​Packing Info =
781	781
782	782
783	783	(% style="color:#037691" %)**Package Includes**:
784	784
785		-* DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor x 1
	1003	+* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
786	786
787	787	(% style="color:#037691" %)**Dimension and weight**:
788	788
...	...	@@ -794,6 +794,8 @@
794	794
795	795	* Weight / pcs : g
796	796
	1015	+
	1016	+
797	797	= 10. Support =
798	798
799	799

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