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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 82.2
edited by Xiaoling
on 2023/06/14 16:25
Change comment: There is no comment for this version
To version 97.1
edited by Saxer Lin
on 2023/08/05 14:59
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Saxer
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-20230614162334-2.png||height="468" width="800"]]
38 +[[image:image-20230615152941-1.png||height="459" width="800"]]
39 39  
40 40  
41 41  == 1.2 ​Features ==
... ... @@ -62,6 +62,23 @@
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 +
65 65  (% style="color:#037691" %)**LoRa Spec:**
66 66  
67 67  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -82,143 +82,28 @@
82 82  * Sleep Mode: 5uA @ 3.3v
83 83  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
84 84  
85 -== 1.4 Suitable Container & Liquid ==
102 +== 1.4 Applications ==
86 86  
87 87  
88 -* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
89 -* Container shape is regular, and surface is smooth.
90 -* Container Thickness:
91 -** Pure metal material.  2~~8mm, best is 3~~5mm
92 -** Pure non metal material: <10 mm
93 -* Pure liquid without irregular deposition.
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
94 94  
95 95  (% style="display:none" %)
96 96  
97 -== 1.5 Install LDS12-LB ==
115 +== 1.5 Sleep mode and working mode ==
98 98  
99 99  
100 -(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
101 -
102 -LDS12-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
103 -
104 -[[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"]]
105 -
106 -
107 -(((
108 -(% style="color:blue" %)**Step 2**(%%):  **Polish the installation point.**
109 -)))
110 -
111 -(((
112 -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.
113 -)))
114 -
115 -[[image:image-20230613143052-5.png]]
116 -
117 -
118 -No polish needed if the container is shine metal surface without paint or non-metal container.
119 -
120 -[[image:image-20230613143125-6.png]]
121 -
122 -
123 -(((
124 -(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
125 -)))
126 -
127 -(((
128 -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.
129 -)))
130 -
131 -(((
132 -It is necessary to put the coupling paste between the sensor and the container, otherwise LDS12-LB won't detect the liquid level.
133 -)))
134 -
135 -(((
136 -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.
137 -)))
138 -
139 -
140 -(((
141 -(% style="color:blue" %)**LED Status:**
142 -)))
143 -
144 -* (((
145 -**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
146 -)))
147 -
148 -* (((
149 -(% 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.
150 -)))
151 -* (((
152 -(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
153 -)))
154 -
155 -(((
156 -LDS12-LB will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
157 -)))
158 -
159 -
160 -(((
161 -(% 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.
162 -)))
163 -
164 -
165 -(((
166 -(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
167 -)))
168 -
169 -(((
170 -Prepare Eproxy AB glue.
171 -)))
172 -
173 -(((
174 -Put Eproxy AB glue in the sensor and press it hard on the container installation point.
175 -)))
176 -
177 -(((
178 -Reset LDS12-LB and see if the BLUE LED is slowly blinking.
179 -)))
180 -
181 -[[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"]]
182 -
183 -
184 -(((
185 -(% style="color:red" %)**Note :**
186 -
187 -(% 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.
188 -)))
189 -
190 -(((
191 -(% 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.
192 -)))
193 -
194 -
195 -== 1.6 Applications ==
196 -
197 -
198 -* Smart liquid control solution
199 -
200 -* Smart liquefied gas solution
201 -
202 -== 1.7 Precautions ==
203 -
204 -
205 -* 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 -
207 -* 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 -
209 -* 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 -
211 -(% style="display:none" %)
212 -
213 -== 1.8 Sleep mode and working mode ==
214 -
215 -
216 216  (% 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.
217 217  
218 218  (% 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.
219 219  
220 220  
221 -== 1.9 Button & LEDs ==
123 +== 1.6 Button & LEDs ==
222 222  
223 223  
224 224  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -225,7 +225,7 @@
225 225  
226 226  
227 227  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
228 -|=(% 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**
130 +|=(% 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**
229 229  |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
230 230  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
231 231  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
... ... @@ -237,7 +237,7 @@
237 237  )))
238 238  |(% 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.
239 239  
240 -== 1.10 BLE connection ==
142 +== 1.7 BLE connection ==
241 241  
242 242  
243 243  LDS12-LB support BLE remote configure.
... ... @@ -251,12 +251,12 @@
251 251  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
252 252  
253 253  
254 -== 1.11 Pin Definitions ==
156 +== 1.8 Pin Definitions ==
255 255  
256 -[[image:image-20230523174230-1.png]]
257 257  
159 +[[image:image-20230805144259-1.png||height="413" width="741"]]
258 258  
259 -== 1.12 Mechanical ==
161 +== 1.9 Mechanical ==
260 260  
261 261  
262 262  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
... ... @@ -270,12 +270,10 @@
270 270  
271 271  (% style="color:blue" %)**Probe Mechanical:**
272 272  
273 -[[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"]]
274 274  
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"]]
275 275  
276 -[[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"]]
277 277  
278 -
279 279  = 2. Configure LDS12-LB to connect to LoRaWAN network =
280 280  
281 281  == 2.1 How it works ==
... ... @@ -292,7 +292,7 @@
292 292  
293 293  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.
294 294  
295 -[[image:image-20230614162359-3.png||height="468" width="800"]](% style="display:none" %)
195 +[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
296 296  
297 297  
298 298  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
... ... @@ -336,75 +336,118 @@
336 336  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
337 337  
338 338  
339 -== 2.3  ​Uplink Payload ==
239 +== 2.3 ​Uplink Payload ==
340 340  
241 +=== 2.3.1 Device Status, FPORT~=5 ===
341 341  
342 -(((
343 -LDS12-LB will uplink payload via LoRaWAN with below payload format: 
344 -)))
345 345  
346 -(((
347 -Uplink payload includes in total 8 bytes.
348 -)))
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.
349 349  
350 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
351 -|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
246 +The Payload format is as below.
247 +
248 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
249 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
352 352  **Size(bytes)**
353 -)))|=(% 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**
354 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
355 -[[Distance>>||anchor="H2.3.2A0Distance"]]
356 -(unit: mm)
357 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
358 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
359 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
251 +)))|=(% 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**
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
360 360  
361 -[[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"]]
254 +Example parse in TTNv3
362 362  
256 +[[image:image-20230805103904-1.png||height="131" width="711"]]
363 363  
364 -=== 2.3.1  Battery Info ===
258 +(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24
365 365  
260 +(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
366 366  
367 -Check the battery voltage for LDS12-LB.
262 +(% style="color:blue" %)**Frequency Band**:
368 368  
264 +0x01: EU868
265 +
266 +0x02: US915
267 +
268 +0x03: IN865
269 +
270 +0x04: AU915
271 +
272 +0x05: KZ865
273 +
274 +0x06: RU864
275 +
276 +0x07: AS923
277 +
278 +0x08: AS923-1
279 +
280 +0x09: AS923-2
281 +
282 +0x0a: AS923-3
283 +
284 +0x0b: CN470
285 +
286 +0x0c: EU433
287 +
288 +0x0d: KR920
289 +
290 +0x0e: MA869
291 +
292 +(% style="color:blue" %)**Sub-Band**:
293 +
294 +AU915 and US915:value 0x00 ~~ 0x08
295 +
296 +CN470: value 0x0B ~~ 0x0C
297 +
298 +Other Bands: Always 0x00
299 +
300 +(% style="color:blue" %)**Battery Info**:
301 +
302 +Check the battery voltage.
303 +
369 369  Ex1: 0x0B45 = 2885mV
370 370  
371 371  Ex2: 0x0B49 = 2889mV
372 372  
373 373  
374 -=== 2.3.2  Distance ===
309 +=== 2.3.2 Uplink Payload, FPORT~=2 ===
375 375  
376 376  
377 377  (((
378 -Get the distance. Flat object range 20mm - 2000mm.
379 -)))
313 +LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will:
380 380  
381 -(((
382 -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" %)** **
315 +periodically send this uplink every 20 minutes, this interval [[can be changed>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS12-LB_LoRaWAN_LiDAR_ToF_Distance_Sensor_User_Manual/#H3.3.1SetTransmitIntervalTime]].
383 383  
384 -(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
317 +Uplink Payload totals 11 bytes.
385 385  )))
386 386  
387 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
320 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
321 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
322 +**Size(bytes)**
323 +)))|=(% 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**
324 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
325 +[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
326 +)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
327 +[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
328 +)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
329 +[[Message Type>>||anchor="HMessageType"]]
330 +)))
388 388  
389 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
332 +[[image:image-20230805104104-2.png||height="136" width="754"]]
390 390  
391 -=== 2.3.3  Interrupt Pin ===
392 392  
335 +==== (% style="color:blue" %)**Battery Info**(%%) ====
393 393  
394 -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.
395 395  
396 -**Example:**
338 +Check the battery voltage for LDS12-LB.
397 397  
398 -0x00: Normal uplink packet.
340 +Ex1: 0x0B45 = 2885mV
399 399  
400 -0x01: Interrupt Uplink Packet.
342 +Ex2: 0x0B49 = 2889mV
401 401  
402 402  
403 -=== 2.3.4  DS18B20 Temperature sensor ===
345 +==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
404 404  
405 405  
406 406  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
407 407  
350 +
408 408  **Example**:
409 409  
410 410  If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
... ... @@ -412,42 +412,154 @@
412 412  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
413 413  
414 414  
415 -=== 2.3.5  Sensor Flag ===
358 +==== (% style="color:blue" %)**Distance**(%%) ====
416 416  
417 417  
361 +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.
362 +
363 +
364 +**Example**:
365 +
366 +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.
367 +
368 +
369 +==== (% style="color:blue" %)**Distance signal strength**(%%) ====
370 +
371 +
372 +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.
373 +
374 +
375 +**Example**:
376 +
377 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
378 +
379 +Customers can judge whether they need to adjust the environment based on the signal strength.
380 +
381 +
382 +==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
383 +
384 +
385 +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.
386 +
387 +Note: The Internet Pin is a separate pin in the screw terminal. See GPIO_EXTI of [[pin mapping>>||anchor="H1.8PinDefinitions"]].
388 +
389 +**Example:**
390 +
391 +0x00: Normal uplink packet.
392 +
393 +0x01: Interrupt Uplink Packet.
394 +
395 +
396 +==== (% style="color:blue" %)**LiDAR temp**(%%) ====
397 +
398 +
399 +Characterize the internal temperature value of the sensor.
400 +
401 +**Example: **
402 +If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
403 +If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
404 +
405 +
406 +==== (% style="color:blue" %)**Message Type**(%%) ====
407 +
408 +
418 418  (((
419 -0x01: Detect Ultrasonic Sensor
410 +For a normal uplink payload, the message type is always 0x01.
420 420  )))
421 421  
422 422  (((
423 -0x00: No Ultrasonic Sensor
414 +Valid Message Type:
424 424  )))
425 425  
417 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
418 +|=(% 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**
419 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
420 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
426 426  
427 -=== 2.3.6  Decode payload in The Things Network ===
428 428  
423 +=== 2.3.3 Historical Water Flow Status, FPORT~=3 ===
429 429  
430 -While using TTN network, you can add the payload format to decode the payload.
425 +LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>url:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-LB_LoRaWAN_Flow_Sensor_User_Manual/#H2.5DatalogFeature]].
431 431  
432 -[[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"]]
427 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time water flow status.
433 433  
434 -The payload decoder function for TTN V3 is here:
435 435  
436 -(((
437 -LDS12-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
430 +* (((
431 +Each data entry is 11 bytes and has the same structure as [[real time water flow status>>url:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SW3L-LB_LoRaWAN_Flow_Sensor_User_Manual/#H2.3.3A0WaterFlowValue2CUplinkFPORT3D2]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands.
438 438  )))
439 439  
434 +For example, in the US915 band, the max payload for different DR is:
440 440  
441 -== 2.4  Uplink Interval ==
436 +**a) DR0:** max is 11 bytes so one entry of data
442 442  
438 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
443 443  
444 -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"]]
440 +**c) DR2:** total payload includes 11 entries of data
445 445  
442 +**d) DR3:** total payload includes 22 entries of data.
446 446  
447 -== 2.5  ​Show Data in DataCake IoT Server ==
444 +If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0
448 448  
449 449  
447 +**Downlink:**
448 +
449 +0x31 64 CC 68 0C 64 CC 69 74 05
450 +
451 +[[image:image-20230805144936-2.png||height="113" width="746"]]
452 +
453 +**Uplink:**
454 +
455 +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
456 +
457 +
458 +**Parsed Value:**
459 +
460 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
461 +
462 +
463 +[360,176,30,High,True,2023-08-04 02:53:00],
464 +
465 +[355,168,30,Low,False,2023-08-04 02:53:29],
466 +
467 +[245,211,30,Low,False,2023-08-04 02:54:29],
468 +
469 +[57,700,30,Low,False,2023-08-04 02:55:29],
470 +
471 +[361,164,30,Low,True,2023-08-04 02:56:00],
472 +
473 +[337,184,30,Low,False,2023-08-04 02:56:40],
474 +
475 +[20,4458,30,Low,False,2023-08-04 02:57:40],
476 +
477 +[362,173,30,Low,False,2023-08-04 02:58:53],
478 +
479 +
480 +History read from serial port：
481 +
482 +[[image:image-20230805145056-3.png]]
483 +
484 +
485 +=== 2.3.3 Decode payload in The Things Network ===
486 +
487 +
488 +While using TTN network, you can add the payload format to decode the payload.
489 +
490 +[[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"]]
491 +
492 +
450 450  (((
494 +The payload decoder function for TTN is here:
495 +)))
496 +
497 +(((
498 +LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
499 +)))
500 +
501 +
502 +== 2.4 ​Show Data in DataCake IoT Server ==
503 +
504 +
505 +(((
451 451  [[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:
452 452  )))
453 453  
... ... @@ -479,13 +479,13 @@
479 479  [[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"]]
480 480  
481 481  
482 -== 2.6 Datalog Feature ==
537 +== 2.5 Datalog Feature ==
483 483  
484 484  
485 485  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.
486 486  
487 487  
488 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
543 +=== 2.5.1 Ways to get datalog via LoRaWAN ===
489 489  
490 490  
491 491  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.
... ... @@ -502,7 +502,7 @@
502 502  [[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"]]
503 503  
504 504  
505 -=== 2.6.2 Unix TimeStamp ===
560 +=== 2.5.2 Unix TimeStamp ===
506 506  
507 507  
508 508  LDS12-LB uses Unix TimeStamp format based on
... ... @@ -519,7 +519,7 @@
519 519  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
520 520  
521 521  
522 -=== 2.6.3 Set Device Time ===
577 +=== 2.5.3 Set Device Time ===
523 523  
524 524  
525 525  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
... ... @@ -529,13 +529,13 @@
529 529  (% 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.**
530 530  
531 531  
532 -=== 2.6.4 Poll sensor value ===
587 +=== 2.5.4 Poll sensor value ===
533 533  
534 534  
535 535  Users can poll sensor values based on timestamps. Below is the downlink command.
536 536  
537 537  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
538 -|(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
593 +|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
539 539  |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
540 540  |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
541 541  
... ... @@ -556,7 +556,7 @@
556 556  )))
557 557  
558 558  
559 -== 2.7 Frequency Plans ==
614 +== 2.6 Frequency Plans ==
560 560  
561 561  
562 562  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.
... ... @@ -564,6 +564,90 @@
564 564  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
565 565  
566 566  
622 +== 2.7 LiDAR ToF Measurement ==
623 +
624 +=== 2.7.1 Principle of Distance Measurement ===
625 +
626 +
627 +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.
628 +
629 +[[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"]]
630 +
631 +
632 +=== 2.7.2 Distance Measurement Characteristics ===
633 +
634 +
635 +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:
636 +
637 +[[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"]]
638 +
639 +
640 +(((
641 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
642 +)))
643 +
644 +(((
645 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
646 +)))
647 +
648 +(((
649 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
650 +)))
651 +
652 +
653 +(((
654 +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:
655 +)))
656 +
657 +[[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"]]
658 +
659 +(((
660 +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.
661 +)))
662 +
663 +[[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"]]
664 +
665 +(((
666 +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.
667 +)))
668 +
669 +
670 +=== 2.7.3 Notice of usage ===
671 +
672 +
673 +Possible invalid /wrong reading for LiDAR ToF tech:
674 +
675 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
676 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
677 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
678 +* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
679 +
680 +=== 2.7.4  Reflectivity of different objects ===
681 +
682 +
683 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
684 +|=(% 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
685 +|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
686 +|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
687 +|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
688 +|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
689 +|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
690 +|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
691 +|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
692 +|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
693 +|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
694 +|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
695 +|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
696 +|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
697 +|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
698 +|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
699 +|(% style="width:53px" %)15|(% style="width:229px" %)(((
700 +Unpolished white metal surface
701 +)))|(% style="width:93px" %)130%
702 +|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
703 +|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
704 +|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
705 +
567 567  = 3. Configure LDS12-LB =
568 568  
569 569  == 3.1 Configure Methods ==
... ... @@ -609,7 +609,7 @@
609 609  )))
610 610  
611 611  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
612 -|=(% 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**
751 +|=(% 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**
613 613  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
614 614  30000
615 615  OK
... ... @@ -652,7 +652,7 @@
652 652  (% style="color:blue" %)**AT Command: AT+INTMOD**
653 653  
654 654  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
655 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
794 +|=(% 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**
656 656  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
657 657  0
658 658  OK
... ... @@ -676,6 +676,35 @@
676 676  
677 677  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
678 678  
818 +=== 3.3.3  Set Power Output Duration ===
819 +
820 +Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will
821 +
822 +~1. first enable the power output to external sensor,
823 +
824 +2. keep it on as per duration, read sensor value and construct uplink payload
825 +
826 +3. final, close the power output.
827 +
828 +(% style="color:blue" %)**AT Command: AT+3V3T**
829 +
830 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
831 +|=(% 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**
832 +|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
833 +OK
834 +|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
835 +|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
836 +|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK
837 +
838 +(% style="color:blue" %)**Downlink Command: 0x07**(%%)
839 +Format: Command Code (0x07) followed by 3 bytes.
840 +
841 +The first byte is 01,the second and third bytes are the time to turn on.
842 +
843 +* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
844 +* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
845 +* Example 3: Downlink Payload: 07 01 FF FF  **~-~-->**  AT+3V3T=65535
846 +
679 679  = 4. Battery & Power Consumption =
680 680  
681 681  
... ... @@ -696,7 +696,7 @@
696 696  
697 697  * Fix bugs.
698 698  
699 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
867 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
700 700  
701 701  Methods to Update Firmware:
702 702  
... ... @@ -724,11 +724,11 @@
724 724  
725 725  
726 726  (((
727 -(% 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.)
895 +(% 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.)
728 728  )))
729 729  
730 730  (((
731 -Troubleshooting: Please avoid use of this product under such circumstance in practice.
899 +(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
732 732  )))
733 733  
734 734  
... ... @@ -737,7 +737,7 @@
737 737  )))
738 738  
739 739  (((
740 -Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
908 +(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
741 741  )))
742 742  
743 743  
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