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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 82.1
edited by Xiaoling
on 2023/06/14 16:24
Change comment: Uploaded new attachment "image-20230614162359-3.png", version {1}

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
... ... @@ -99,28 +99,146 @@
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  
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.
98 +
99 +
113 113  (% style="display:none" %)
114 114  
115 -== 1.5 Sleep mode and working mode ==
102 +== 1.5 Install LDS12-LB ==
116 116  
117 117  
105 +(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
106 +
107 +LDS12-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
108 +
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"]]
110 +
111 +
112 +(((
113 +(% style="color:blue" %)**Step 2**(%%):  **Polish the installation point.**
114 +)))
115 +
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.
118 +)))
119 +
120 +[[image:image-20230613143052-5.png]]
121 +
122 +
123 +No polish needed if the container is shine metal surface without paint or non-metal container.
124 +
125 +[[image:image-20230613143125-6.png]]
126 +
127 +
128 +(((
129 +(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
130 +)))
131 +
132 +(((
133 +Power on LDS12-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 +)))
135 +
136 +(((
137 +It is necessary to put the coupling paste between the sensor and the container, otherwise LDS12-LB won't detect the liquid level.
138 +)))
139 +
140 +(((
141 +After paste the LDS12-LB well, power on LDS12-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 +)))
143 +
144 +
145 +(((
146 +(% style="color:blue" %)**LED Status:**
147 +)))
148 +
149 +* (((
150 +**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
151 +)))
152 +
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 +)))
159 +
160 +(((
161 +LDS12-LB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
162 +)))
163 +
164 +
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 +)))
168 +
169 +
170 +(((
171 +(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
172 +)))
173 +
174 +(((
175 +Prepare Eproxy AB glue.
176 +)))
177 +
178 +(((
179 +Put Eproxy AB glue in the sensor and press it hard on the container installation point.
180 +)))
181 +
182 +(((
183 +Reset LDS12-LB and see if the BLUE LED is slowly blinking.
184 +)))
185 +
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"]]
187 +
188 +
189 +(((
190 +(% style="color:red" %)**Note :**
191 +
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 +)))
194 +
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 +)))
198 +
199 +
200 +== 1.6 Applications ==
201 +
202 +
203 +* Smart liquid control solution
204 +
205 +* Smart liquefied gas solution
206 +
207 +
208 +== 1.7 Precautions ==
209 +
210 +
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.
212 +
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.
214 +
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.
216 +
217 +(% style="display:none" %)
218 +
219 +== 1.8 Sleep mode and working mode ==
220 +
221 +
118 118  (% 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.
119 119  
120 120  (% 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  
122 122  
123 -== 1.6 Button & LEDs ==
227 +== 1.9 Button & LEDs ==
124 124  
125 125  
126 126  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -139,9 +139,10 @@
139 139  )))
140 140  |(% 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 ==
143 143  
247 +== 1.10 BLE connection ==
144 144  
249 +
145 145  LDS12-LB support BLE remote configure.
146 146  
147 147  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:
... ... @@ -153,12 +153,12 @@
153 153  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
154 154  
155 155  
156 -== 1.8 Pin Definitions ==
261 +== 1.11 Pin Definitions ==
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"]]
263 +[[image:image-20230523174230-1.png]]
159 159  
160 160  
161 -== 1.9 Mechanical ==
266 +== 1.12 Mechanical ==
162 162  
163 163  
164 164  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
... ... @@ -172,10 +172,12 @@
172 172  
173 173  (% style="color:blue" %)**Probe Mechanical:**
174 174  
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"]]
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"]]
177 177  
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"]]
178 178  
285 +
179 179  = 2. Configure LDS12-LB to connect to LoRaWAN network =
180 180  
181 181  == 2.1 How it works ==
... ... @@ -192,7 +192,7 @@
192 192  
193 193  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.
194 194  
195 -[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
302 +[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
196 196  
197 197  
198 198  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
... ... @@ -236,106 +236,34 @@
236 236  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
237 237  
238 238  
239 -== 2.3 ​Uplink Payload ==
346 +== 2.3  ​Uplink Payload ==
240 240  
241 241  
242 -=== 2.3.1 Device Status, FPORT~=5 ===
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.
245 -
246 -The Payload format is as below.
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
253 -
254 -Example parse in TTNv3
255 -
256 -**Sensor Model**: For LDS12-LB, this value is 0x24
257 -
258 -**Firmware Version**: 0x0100, Means: v1.0.0 version
259 -
260 -**Frequency Band**:
261 -
262 -0x01: EU868
263 -
264 -0x02: US915
265 -
266 -0x03: IN865
267 -
268 -0x04: AU915
269 -
270 -0x05: KZ865
271 -
272 -0x06: RU864
273 -
274 -0x07: AS923
275 -
276 -0x08: AS923-1
277 -
278 -0x09: AS923-2
279 -
280 -0x0a: AS923-3
281 -
282 -0x0b: CN470
283 -
284 -0x0c: EU433
285 -
286 -0x0d: KR920
287 -
288 -0x0e: MA869
289 -
290 -**Sub-Band**:
291 -
292 -AU915 and US915:value 0x00 ~~ 0x08
293 -
294 -CN470: value 0x0B ~~ 0x0C
295 -
296 -Other Bands: Always 0x00
297 -
298 -**Battery Info**:
299 -
300 -Check the battery voltage.
301 -
302 -Ex1: 0x0B45 = 2885mV
303 -
304 -Ex2: 0x0B49 = 2889mV
305 -
306 -
307 -=== 2.3.2 Device Status, FPORT~=5 ===
308 -
309 309  (((
310 310  LDS12-LB will uplink payload via LoRaWAN with below payload format: 
311 311  )))
312 312  
313 313  (((
314 -Uplink payload includes in total 11 bytes.
354 +Uplink payload includes in total 8 bytes.
315 315  )))
316 316  
317 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:670px" %)
318 -|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
357 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
358 +|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
319 319  **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"]]
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"]]
325 325  
326 -&
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"]]
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"]]
371 +=== 2.3.1  Battery Info ===
334 334  
335 335  
336 -==== 2.3.2.a Battery Info ====
337 -
338 -
339 339  Check the battery voltage for LDS12-LB.
340 340  
341 341  Ex1: 0x0B45 = 2885mV
... ... @@ -343,50 +343,29 @@
343 343  Ex2: 0x0B49 = 2889mV
344 344  
345 345  
346 -==== 2.3.2.b DS18B20 Temperature sensor ====
381 +=== 2.3.2  Distance ===
347 347  
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.
384 +(((
385 +Get the distance. Flat object range 20mm - 2000mm.
386 +)))
350 350  
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" %)** **
351 351  
352 -**Example**:
391 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
392 +)))
353 353  
354 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
394 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
355 355  
356 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
396 +* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
357 357  
358 358  
359 -==== 2.3.2.c Distance ====
399 +=== 2.3.3  Interrupt Pin ===
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.
363 -
364 -
365 -**Example**:
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.
368 -
369 -
370 -==== 2.3.2.d Distance signal strength ====
371 -
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 -
375 -
376 -**Example**:
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.
379 -
380 -Customers can judge whether they need to adjust the environment based on the signal strength.
381 -
382 -
383 -==== 2.3.2.e Interrupt Pin & Interrupt Level ====
384 -
385 -
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.
... ... @@ -394,56 +394,51 @@
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 +LDS12-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  
442 -
443 443  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  
445 445  
446 -== 2.5 ​Show Data in DataCake IoT Server ==
455 +== 2.5  ​Show Data in DataCake IoT Server ==
447 447  
448 448  
449 449  (((
... ... @@ -563,90 +563,6 @@
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 ==
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 -
650 650  = 3. Configure LDS12-LB =
651 651  
652 652  == 3.1 Configure Methods ==
... ... @@ -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  
... ... @@ -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
... ... @@ -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  
... ... @@ -788,6 +788,7 @@
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  
793 793  == 6.1 What is the frequency plan for LDS12-LB? ==
... ... @@ -808,11 +808,11 @@
808 808  
809 809  
810 810  (((
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.)
738 +(% 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.)
812 812  )))
813 813  
814 814  (((
815 -(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
742 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
816 816  )))
817 817  
818 818  
... ... @@ -821,7 +821,7 @@
821 821  )))
822 822  
823 823  (((
824 -(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
751 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
825 825  )))
826 826  
827 827  
... ... @@ -848,6 +848,7 @@
848 848  
849 849  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
850 850  
778 +
851 851  = 9. ​Packing Info =
852 852  
853 853  
... ... @@ -865,6 +865,7 @@
865 865  
866 866  * Weight / pcs : g
867 867  
796 +
868 868  = 10. Support =
869 869  
870 870  
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