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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 86.1
edited by Saxer Lin
on 2023/07/15 11:48
Change comment: There is no comment for this version
To version 80.3
edited by Xiaoling
on 2023/06/14 15:53
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Saxer
1 +XWiki.Xiaoling
Content
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35 35  
36 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.
37 37  
38 -[[image:image-20230615152941-1.png||height="459" width="800"]]
38 +[[image:image-20230613140115-3.png||height="453" width="800"]]
39 39  
40 40  
41 41  == 1.2 ​Features ==
... ... @@ -44,16 +44,19 @@
44 44  * LoRaWAN 1.0.3 Class A
45 45  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
46 46  * Ultra-low power consumption
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
47 +* Liquid Level Measurement by Ultrasonic technology
48 +* Measure through container, No need to contact Liquid
49 +* Valid level range 20mm - 2000mm
50 +* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
51 +* Cable Length : 25cm
51 51  * Support Bluetooth v5.1 and LoRaWAN remote configure
52 52  * Support wireless OTA update firmware
53 53  * AT Commands to change parameters
54 54  * Downlink to change configure
56 +* IP66 Waterproof Enclosure
55 55  * 8500mAh Battery for long term use
56 56  
59 +
57 57  == 1.3 Specification ==
58 58  
59 59  
... ... @@ -62,23 +62,6 @@
62 62  * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
63 63  * Operating Temperature: -40 ~~ 85°C
64 64  
65 -(% style="color:#037691" %)**Probe Specification:**
66 -
67 -* Storage temperature：-20℃~~75℃
68 -* Operating temperature : -20℃~~60℃
69 -* Measure Distance:
70 -** 0.1m ~~ 12m @ 90% Reflectivity
71 -** 0.1m ~~ 4m @ 10% Reflectivity
72 -* Accuracy : ±5cm@(0.1-6m), ±1%@(6m-12m)
73 -* Distance resolution : 5mm
74 -* Ambient light immunity : 70klux
75 -* Enclosure rating : IP65
76 -* Light source : LED
77 -* Central wavelength : 850nm
78 -* FOV : 3.6°
79 -* Material of enclosure : ABS+PC
80 -* Wire length : 25cm
81 -
82 82  (% style="color:#037691" %)**LoRa Spec:**
83 83  
84 84  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -99,294 +99,322 @@
99 99  * Sleep Mode: 5uA @ 3.3v
100 100  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
101 101  
102 -== 1.4 Applications ==
103 103  
89 +== 1.4 Suitable Container & Liquid ==
104 104  
105 -* Horizontal distance measurement
106 -* Parking management system
107 -* Object proximity and presence detection
108 -* Intelligent trash can management system
109 -* Robot obstacle avoidance
110 -* Automatic control
111 -* Sewer
112 112  
113 -(% style="display:none" %)
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.
114 114  
115 -== 1.5 Sleep mode and working mode ==
116 116  
100 +(% style="display:none" %)
117 117  
118 -(% 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.
102 +== 1.5 Install DDS20-LB ==
119 119  
120 -(% 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.
121 121  
105 +(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
122 122  
123 -== 1.6 Button & LEDs ==
107 +DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
124 124  
109 +[[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"]]
125 125  
126 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
127 127  
112 +(((
113 +(% style="color:blue" %)**Step 2**(%%):  **Polish the installation point.**
114 +)))
128 128  
129 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
130 -|=(% 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**
131 -|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
132 -If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
133 -Meanwhile, BLE module will be active and user can connect via BLE to configure device.
116 +(((
117 +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.
134 134  )))
135 -|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
136 -(% 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.
137 -(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
138 -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.
139 -)))
140 -|(% 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.
141 141  
142 -== 1.7 BLE connection ==
120 +[[image:image-20230613143052-5.png]]
143 143  
144 144  
145 -LDS12-LB support BLE remote configure.
123 +No polish needed if the container is shine metal surface without paint or non-metal container.
146 146  
147 -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:
125 +[[image:image-20230613143125-6.png]]
148 148  
149 -* Press button to send an uplink
150 -* Press button to active device.
151 -* Device Power on or reset.
152 152  
153 -If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
128 +(((
129 +(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
130 +)))
154 154  
132 +(((
133 +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.
134 +)))
155 155  
156 -== 1.8 Pin Definitions ==
136 +(((
137 +It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
138 +)))
157 157  
158 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/WL03A-LB_LoRaWAN_None-Position_Rope_Type_Water_Leak_Controller_User_Manual/WebHome/image-20230613144156-1.png?rev=1.1||alt="image-20230613144156-1.png"]]
140 +(((
141 +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.
142 +)))
159 159  
160 160  
161 -== 1.9 Mechanical ==
145 +(((
146 +(% style="color:blue" %)**LED Status:**
147 +)))
162 162  
149 +* (((
150 +**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
151 +)))
163 163  
164 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
153 +* (((
154 +(% 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.
155 +)))
156 +* (((
157 +(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
158 +)))
165 165  
160 +(((
161 +LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
162 +)))
166 166  
167 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
168 168  
165 +(((
166 +(% 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.
167 +)))
169 169  
170 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
171 171  
170 +(((
171 +(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
172 +)))
172 172  
173 -(% style="color:blue" %)**Probe Mechanical:**
174 +(((
175 +Prepare Eproxy AB glue.
176 +)))
174 174  
178 +(((
179 +Put Eproxy AB glue in the sensor and press it hard on the container installation point.
180 +)))
175 175  
176 -[[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"]]
182 +(((
183 +Reset DDS20-LB and see if the BLUE LED is slowly blinking.
184 +)))
177 177  
186 +[[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"]]
178 178  
179 -= 2. Configure LDS12-LB to connect to LoRaWAN network =
180 180  
181 -== 2.1 How it works ==
189 +(((
190 +(% style="color:red" %)**Note :**
182 182  
192 +(% 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.
193 +)))
183 183  
184 -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.
195 +(((
196 +(% 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.
197 +)))
185 185  
186 -(% style="display:none" %) (%%)
187 187  
188 -== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
200 +== 1.6 Applications ==
189 189  
190 190  
191 -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.
203 +* Smart liquid control solution
192 192  
193 -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.
205 +* Smart liquefied gas solution
194 194  
195 -[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
196 196  
208 +== 1.7 Precautions ==
197 197  
198 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
199 199  
200 -Each LDS12-LB is shipped with a sticker with the default device EUI as below:
211 +* 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.
201 201  
202 -[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
213 +* 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.
203 203  
215 +* 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.
204 204  
205 -You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
217 +(% style="display:none" %)
206 206  
219 +== 1.8 Sleep mode and working mode ==
207 207  
208 -(% style="color:blue" %)**Register the device**
209 209  
210 -[[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"]]
222 +(% 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.
211 211  
224 +(% 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.
212 212  
213 -(% style="color:blue" %)**Add APP EUI and DEV EUI**
214 214  
215 -[[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"]]
227 +== 1.9 Button & LEDs ==
216 216  
217 217  
218 -(% style="color:blue" %)**Add APP EUI in the application**
230 +[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
219 219  
220 220  
221 -[[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"]]
233 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
234 +|=(% 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**
235 +|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
236 +If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
237 +Meanwhile, BLE module will be active and user can connect via BLE to configure device.
238 +)))
239 +|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
240 +(% 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.
241 +(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
242 +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.
243 +)))
244 +|(% 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.
222 222  
223 223  
224 -(% style="color:blue" %)**Add APP KEY**
247 +== 1.10 BLE connection ==
225 225  
226 -[[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"]]
227 227  
250 +DDS20-LB support BLE remote configure.
228 228  
229 -(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
252 +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:
230 230  
254 +* Press button to send an uplink
255 +* Press button to active device.
256 +* Device Power on or reset.
231 231  
232 -Press the button for 5 seconds to activate the LDS12-LB.
258 +If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
233 233  
234 -(% 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.
235 235  
236 -After join success, it will start to upload messages to TTN and you can see the messages in the panel.
261 +== 1.11 Pin Definitions ==
237 237  
263 +[[image:image-20230523174230-1.png]]
238 238  
239 -== 2.3 ​Uplink Payload ==
240 240  
266 +== 1.12 Mechanical ==
241 241  
242 -=== 2.3.1 Device Status, FPORT~=5 ===
243 243  
244 -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.
269 +[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
245 245  
246 -The Payload format is as below.
247 247  
248 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:529px" %)
249 -|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
250 -**Size(bytes)**
251 -)))|=(% style="width: 110px; background-color: rgb(79, 129, 189); color: white;" %)**1**|=(% style="width: 48px; background-color: rgb(79, 129, 189); color: white;" %)**2**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 94px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 91px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 60px;" %)**2**
252 -|(% 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
272 +[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
253 253  
254 -Example parse in TTNv3
255 255  
256 -**Sensor Model**: For LDS12-LB, this value is 0x24
275 +[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
257 257  
258 -**Firmware Version**: 0x0100, Means: v1.0.0 version
259 259  
260 -**Frequency Band**:
278 +(% style="color:blue" %)**Probe Mechanical:**
261 261  
262 -0x01: EU868
280 +[[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"]]
263 263  
264 -0x02: US915
265 265  
266 -0x03: IN865
283 +[[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"]]
267 267  
268 -0x04: AU915
269 269  
270 -0x05: KZ865
286 += 2. Configure DDS20-LB to connect to LoRaWAN network =
271 271  
272 -0x06: RU864
288 +== 2.1 How it works ==
273 273  
274 -0x07: AS923
275 275  
276 -0x08: AS923-1
291 +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.
277 277  
278 -0x09: AS923-2
293 +(% style="display:none" %) (%%)
279 279  
280 -0x0a: AS923-3
295 +== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
281 281  
282 -0x0b: CN470
283 283  
284 -0x0c: EU433
298 +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.
285 285  
286 -0x0d: KR920
300 +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.
287 287  
288 -0x0e: MA869
302 +[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
289 289  
290 -**Sub-Band**:
291 291  
292 -AU915 and US915:value 0x00 ~~ 0x08
305 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS20-LB.
293 293  
294 -CN470: value 0x0B ~~ 0x0C
307 +Each DDS20-LB is shipped with a sticker with the default device EUI as below:
295 295  
296 -Other Bands: Always 0x00
309 +[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
297 297  
298 -**Battery Info**:
299 299  
300 -Check the battery voltage.
312 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
301 301  
302 -Ex1: 0x0B45 = 2885mV
303 303  
304 -Ex2: 0x0B49 = 2889mV
315 +(% style="color:blue" %)**Register the device**
305 305  
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/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
306 306  
307 -=== 2.3.2 Device Status, FPORT~=5 ===
308 308  
309 -(((
310 -LDS12-LB will uplink payload via LoRaWAN with below payload format: 
311 -)))
320 +(% style="color:blue" %)**Add APP EUI and DEV EUI**
312 312  
313 -(((
314 -Uplink payload includes in total 11 bytes.
315 -)))
322 +[[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"]]
316 316  
317 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:670px" %)
318 -|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
319 -**Size(bytes)**
320 -)))|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 122px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 54px;" %)**1**|=(% style="background-color: rgb(79, 129, 189); color: white; width: 96px;" %)**1**
321 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
322 -[[Temperature DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
323 -)))|[[Distance>>||anchor="H2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(% style="width:122px" %)(((
324 -[[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
325 325  
326 -&
325 +(% style="color:blue" %)**Add APP EUI in the application**
327 327  
328 -[[Interrupt_level>>||anchor="H2.3.5InterruptPin"]]
329 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="H2.3.6LiDARtemp"]]|(% style="width:96px" %)(((
330 -[[Message Type>>||anchor="H2.3.7MessageType"]]
331 -)))
332 332  
333 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]]
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-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
334 334  
335 335  
336 -==== 2.3.2.a Battery Info ====
331 +(% style="color:blue" %)**Add APP KEY**
337 337  
333 +[[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"]]
338 338  
339 -Check the battery voltage for LDS12-LB.
340 340  
341 -Ex1: 0x0B45 = 2885mV
336 +(% style="color:blue" %)**Step 2:**(%%) Activate on DDS20-LB
342 342  
343 -Ex2: 0x0B49 = 2889mV
344 344  
339 +Press the button for 5 seconds to activate the DDS20-LB.
345 345  
346 -==== 2.3.2.b DS18B20 Temperature sensor ====
341 +(% 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.
347 347  
343 +After join success, it will start to upload messages to TTN and you can see the messages in the panel.
348 348  
349 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
350 350  
346 +== 2.3  ​Uplink Payload ==
351 351  
352 -**Example**:
353 353  
354 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
349 +(((
350 +DDS20-LB will uplink payload via LoRaWAN with below payload format: 
351 +)))
355 355  
356 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
353 +(((
354 +Uplink payload includes in total 8 bytes.
355 +)))
357 357  
357 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
358 +|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
359 +**Size(bytes)**
360 +)))|=(% 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**
361 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
362 +[[Distance>>||anchor="H2.3.2A0Distance"]]
363 +(unit: mm)
364 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
365 +[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
366 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
358 358  
359 -==== 2.3.2.c Distance ====
368 +[[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"]]
360 360  
361 361  
362 -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.
371 +=== 2.3.1  Battery Info ===
363 363  
364 364  
365 -**Example**:
374 +Check the battery voltage for DDS20-LB.
366 366  
367 -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.
376 +Ex1: 0x0B45 = 2885mV
368 368  
378 +Ex2: 0x0B49 = 2889mV
369 369  
370 -==== 2.3.2.d Distance signal strength ====
371 371  
381 +=== 2.3.2  Distance ===
372 372  
373 -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.
374 374  
384 +(((
385 +Get the distance. Flat object range 20mm - 2000mm.
386 +)))
375 375  
376 -**Example**:
388 +(((
389 +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" %)** **
377 377  
378 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
391 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
392 +)))
379 379  
380 -Customers can judge whether they need to adjust the environment based on the signal strength.
394 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
381 381  
396 +* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
382 382  
383 -==== 2.3.2.e Interrupt Pin & Interrupt Level ====
384 384  
399 +=== 2.3.3  Interrupt Pin ===
385 385  
401 +
386 386  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.
387 387  
388 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
389 -
390 390  **Example:**
391 391  
392 392  0x00: Normal uplink packet.
... ... @@ -394,58 +394,53 @@
394 394  0x01: Interrupt Uplink Packet.
395 395  
396 396  
397 -==== 2.3.2.f LiDAR temp ====
411 +=== 2.3.4  DS18B20 Temperature sensor ===
398 398  
399 399  
400 -Characterize the internal temperature value of the sensor.
414 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
401 401  
402 -**Example: **
403 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
404 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
416 +**Example**:
405 405  
418 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
406 406  
407 -==== 2.3.2.g Message Type ====
420 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
408 408  
409 409  
423 +=== 2.3.5  Sensor Flag ===
424 +
425 +
410 410  (((
411 -For a normal uplink payload, the message type is always 0x01.
427 +0x01: Detect Ultrasonic Sensor
412 412  )))
413 413  
414 414  (((
415 -Valid Message Type:
431 +0x00: No Ultrasonic Sensor
416 416  )))
417 417  
418 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
419 -|=(% 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**
420 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
421 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
422 422  
423 -=== 2.3.8 Decode payload in The Things Network ===
435 +=== 2.3.6  Decode payload in The Things Network ===
424 424  
425 425  
426 426  While using TTN network, you can add the payload format to decode the payload.
427 427  
428 -[[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"]]
440 +[[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"]]
429 429  
442 +The payload decoder function for TTN V3 is here:
430 430  
431 431  (((
432 -The payload decoder function for TTN is here:
445 +DDS20-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
433 433  )))
434 434  
435 -(((
436 -LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
437 -)))
438 438  
449 +== 2.4  Uplink Interval ==
439 439  
440 -== 2.4 Uplink Interval ==
441 441  
452 +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"]]
442 442  
443 -The LDS12-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"]]
444 444  
455 +== 2.5  ​Show Data in DataCake IoT Server ==
445 445  
446 -== 2.5 ​Show Data in DataCake IoT Server ==
447 447  
448 -
449 449  (((
450 450  [[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:
451 451  )))
... ... @@ -468,7 +468,7 @@
468 468  
469 469  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
470 470  
471 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
480 +(% style="color:blue" %)**Step 4**(%%)**: Search the DDS20-LB and add DevEUI.**
472 472  
473 473  [[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"]]
474 474  
... ... @@ -481,19 +481,19 @@
481 481  == 2.6 Datalog Feature ==
482 482  
483 483  
484 -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.
493 +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.
485 485  
486 486  
487 487  === 2.6.1 Ways to get datalog via LoRaWAN ===
488 488  
489 489  
490 -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.
499 +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.
491 491  
492 492  * (((
493 -a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
502 +a) DDS20-LB will do an ACK check for data records sending to make sure every data arrive server.
494 494  )))
495 495  * (((
496 -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.
505 +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.
497 497  )))
498 498  
499 499  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
... ... @@ -504,7 +504,7 @@
504 504  === 2.6.2 Unix TimeStamp ===
505 505  
506 506  
507 -LDS12-LB uses Unix TimeStamp format based on
516 +DDS20-LB uses Unix TimeStamp format based on
508 508  
509 509  [[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"]]
510 510  
... ... @@ -523,7 +523,7 @@
523 523  
524 524  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
525 525  
526 -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).
535 +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).
527 527  
528 528  (% 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.**
529 529  
... ... @@ -551,7 +551,7 @@
551 551  )))
552 552  
553 553  (((
554 -Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
563 +Uplink Internal =5s，means DDS20-LB will send one packet every 5s. range 5~~255s.
555 555  )))
556 556  
557 557  
... ... @@ -558,101 +558,17 @@
558 558  == 2.7 Frequency Plans ==
559 559  
560 560  
561 -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.
570 +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.
562 562  
563 563  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
564 564  
565 565  
566 -== 2.8 LiDAR ToF Measurement ==
575 += 3. Configure DDS20-LB =
567 567  
568 -=== 2.8.1 Principle of Distance Measurement ===
569 -
570 -
571 -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.
572 -
573 -[[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"]]
574 -
575 -
576 -=== 2.8.2 Distance Measurement Characteristics ===
577 -
578 -
579 -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:
580 -
581 -[[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"]]
582 -
583 -
584 -(((
585 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
586 -)))
587 -
588 -(((
589 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
590 -)))
591 -
592 -(((
593 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
594 -)))
595 -
596 -
597 -(((
598 -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:
599 -)))
600 -
601 -[[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"]]
602 -
603 -(((
604 -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.
605 -)))
606 -
607 -[[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"]]
608 -
609 -(((
610 -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.
611 -)))
612 -
613 -
614 -=== 2.8.3 Notice of usage ===
615 -
616 -
617 -Possible invalid /wrong reading for LiDAR ToF tech:
618 -
619 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
620 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
621 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
622 -* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
623 -
624 -=== 2.8.4  Reflectivity of different objects ===
625 -
626 -
627 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
628 -|=(% 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
629 -|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
630 -|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
631 -|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
632 -|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
633 -|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
634 -|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
635 -|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
636 -|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
637 -|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
638 -|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
639 -|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
640 -|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
641 -|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
642 -|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
643 -|(% style="width:53px" %)15|(% style="width:229px" %)(((
644 -Unpolished white metal surface
645 -)))|(% style="width:93px" %)130%
646 -|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
647 -|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
648 -|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
649 -
650 -= 3. Configure LDS12-LB =
651 -
652 652  == 3.1 Configure Methods ==
653 653  
654 654  
655 -LDS12-LB supports below configure method:
580 +DDS20-LB supports below configure method:
656 656  
657 657  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
658 658  
... ... @@ -660,6 +660,7 @@
660 660  
661 661  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
662 662  
588 +
663 663  == 3.2 General Commands ==
664 664  
665 665  
... ... @@ -674,10 +674,10 @@
674 674  [[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/]]
675 675  
676 676  
677 -== 3.3 Commands special design for LDS12-LB ==
603 +== 3.3 Commands special design for DDS20-LB ==
678 678  
679 679  
680 -These commands only valid for LDS12-LB, as below:
606 +These commands only valid for DDS20-LB, as below:
681 681  
682 682  
683 683  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -692,7 +692,7 @@
692 692  )))
693 693  
694 694  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
695 -|=(% 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**
621 +|=(% 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**
696 696  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
697 697  30000
698 698  OK
... ... @@ -735,7 +735,7 @@
735 735  (% style="color:blue" %)**AT Command: AT+INTMOD**
736 736  
737 737  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
738 -|=(% 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**
664 +|=(% 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**
739 739  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
740 740  0
741 741  OK
... ... @@ -763,7 +763,7 @@
763 763  = 4. Battery & Power Consumption =
764 764  
765 765  
766 -LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
692 +DDS20-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
767 767  
768 768  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
769 769  
... ... @@ -772,7 +772,7 @@
772 772  
773 773  
774 774  (% class="wikigeneratedid" %)
775 -User can change firmware LDS12-LB to:
701 +User can change firmware DDS20-LB to:
776 776  
777 777  * Change Frequency band/ region.
778 778  
... ... @@ -780,7 +780,7 @@
780 780  
781 781  * Fix bugs.
782 782  
783 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
709 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
784 784  
785 785  Methods to Update Firmware:
786 786  
... ... @@ -788,40 +788,42 @@
788 788  
789 789  * 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]]**.
790 790  
717 +
791 791  = 6. FAQ =
792 792  
793 -== 6.1 What is the frequency plan for LDS12-LB? ==
720 +== 6.1  What is the frequency plan for DDS20-LB? ==
794 794  
795 795  
796 -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"]]
723 +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"]]
797 797  
798 798  
799 -= 7. Trouble Shooting =
726 +== 6.2  Can I use DDS20-LB in condensation environment? ==
800 800  
801 -== 7.1 AT Command input doesn't work ==
802 802  
729 +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.
803 803  
804 -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.
805 805  
732 += 7.  Trouble Shooting =
806 806  
807 -== 7.2 Significant error between the output distant value of LiDAR and actual distance ==
734 +== 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
808 808  
809 809  
810 -(((
811 -(% 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.)
812 -)))
737 +It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
813 813  
814 -(((
815 -(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
816 -)))
817 817  
740 +== 7.2  AT Command input doesn't work ==
818 818  
819 -(((
820 -(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
821 -)))
822 822  
743 +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.
744 +
745 +
746 +== 7.3  Why i always see 0x0000 or 0 for the distance value? ==
747 +
748 +
823 823  (((
824 -(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
750 +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.
751 +
752 +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.
825 825  )))
826 826  
827 827  
... ... @@ -828,7 +828,7 @@
828 828  = 8. Order Info =
829 829  
830 830  
831 -Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
759 +Part Number: (% style="color:blue" %)**DDS20-LB-XXX**
832 832  
833 833  (% style="color:red" %)**XXX**(%%): **The default frequency band**
834 834  
... ... @@ -848,12 +848,13 @@
848 848  
849 849  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
850 850  
779 +
851 851  = 9. ​Packing Info =
852 852  
853 853  
854 854  (% style="color:#037691" %)**Package Includes**:
855 855  
856 -* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
785 +* DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor x 1
857 857  
858 858  (% style="color:#037691" %)**Dimension and weight**:
859 859  
... ... @@ -865,6 +865,7 @@
865 865  
866 866  * Weight / pcs : g
867 867  
797 +
868 868  = 10. Support =
869 869  
870 870  
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