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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 91.1
edited by Saxer Lin
on 2023/08/05 10:39
Change comment: Uploaded new attachment "image-20230805103904-1.png", version {1}
To version 81.1
edited by Xiaoling
on 2023/06/14 16:23
Change comment: Uploaded new attachment "image-20230614162334-2.png", version {1}

Summary

Details

Page properties
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 ==
... ... @@ -44,18 +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  
57 57  
58 -
59 59  == 1.3 Specification ==
60 60  
61 61  
... ... @@ -64,23 +64,6 @@
64 64  * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
65 65  * Operating Temperature: -40 ~~ 85°C
66 66  
67 -(% style="color:#037691" %)**Probe Specification:**
68 -
69 -* Storage temperature：-20℃~~75℃
70 -* Operating temperature : -20℃~~60℃
71 -* Measure Distance:
72 -** 0.1m ~~ 12m @ 90% Reflectivity
73 -** 0.1m ~~ 4m @ 10% Reflectivity
74 -* Accuracy : ±5cm@(0.1-6m), ±1%@(6m-12m)
75 -* Distance resolution : 5mm
76 -* Ambient light immunity : 70klux
77 -* Enclosure rating : IP65
78 -* Light source : LED
79 -* Central wavelength : 850nm
80 -* FOV : 3.6°
81 -* Material of enclosure : ABS+PC
82 -* Wire length : 25cm
83 -
84 84  (% style="color:#037691" %)**LoRa Spec:**
85 85  
86 86  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -102,23 +102,137 @@
102 102  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
103 103  
104 104  
89 +== 1.4 Suitable Container & Liquid ==
105 105  
106 -== 1.4 Applications ==
107 107  
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.
108 108  
109 -* Horizontal distance measurement
110 -* Parking management system
111 -* Object proximity and presence detection
112 -* Intelligent trash can management system
113 -* Robot obstacle avoidance
114 -* Automatic control
115 -* Sewer
116 116  
100 +(% style="display:none" %)
117 117  
102 +== 1.5 Install LDS12-LB ==
118 118  
104 +
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 +
119 119  (% style="display:none" %)
120 120  
121 -== 1.5 Sleep mode and working mode ==
219 +== 1.8 Sleep mode and working mode ==
122 122  
123 123  
124 124  (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
... ... @@ -126,7 +126,7 @@
126 126  (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
127 127  
128 128  
129 -== 1.6 Button & LEDs ==
227 +== 1.9 Button & LEDs ==
130 130  
131 131  
132 132  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -133,7 +133,7 @@
133 133  
134 134  
135 135  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
136 -|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 225px;background-color:#4F81BD;color:white" %)**Action**
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**
137 137  |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
138 138  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
139 139  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
... ... @@ -146,10 +146,9 @@
146 146  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
147 147  
148 148  
247 +== 1.10 BLE connection ==
149 149  
150 -== 1.7 BLE connection ==
151 151  
152 -
153 153  LDS12-LB support BLE remote configure.
154 154  
155 155  BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
... ... @@ -161,12 +161,12 @@
161 161  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
162 162  
163 163  
164 -== 1.8 Pin Definitions ==
261 +== 1.11 Pin Definitions ==
165 165  
166 -[[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]]
167 167  
168 168  
169 -== 1.9 Mechanical ==
266 +== 1.12 Mechanical ==
170 170  
171 171  
172 172  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
... ... @@ -180,10 +180,12 @@
180 180  
181 181  (% style="color:blue" %)**Probe Mechanical:**
182 182  
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"]]
183 183  
184 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654827224480-952.png?rev=1.1||alt="1654827224480-952.png"]]
185 185  
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"]]
186 186  
285 +
187 187  = 2. Configure LDS12-LB to connect to LoRaWAN network =
188 188  
189 189  == 2.1 How it works ==
... ... @@ -200,7 +200,7 @@
200 200  
201 201  The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
202 202  
203 -[[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" %)
204 204  
205 205  
206 206  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
... ... @@ -244,101 +244,32 @@
244 244  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
245 245  
246 246  
247 -== 2.3 ​Uplink Payload ==
346 +== 2.3  ​Uplink Payload ==
248 248  
249 -=== 2.3.1 Device Status, FPORT~=5 ===
250 250  
251 -
252 -Users can use the downlink command(**0x26 01**) to ask LDS12-LB to send device configure detail, include device configure status. LDS12-LB will uplink a payload via FPort=5 to server.
253 -
254 -The Payload format is as below.
255 -
256 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
257 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
258 -**Size(bytes)**
259 -)))|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**1**|=(% style="width: 100px; background-color: #4F81BD;color:white;" %)**2**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 100px;" %)**1**|=(% style="background-color: #4F81BD;color:white; width: 50px;" %)**2**
260 -|(% style="width:62.5px" %)Value|(% style="width:110px" %)Sensor Model|(% style="width:48px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:91px" %)Sub-band|(% style="width:60px" %)BAT
261 -
262 -Example parse in TTNv3
263 -
264 -(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24
265 -
266 -(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
267 -
268 -(% style="color:blue" %)**Frequency Band**:
269 -
270 -0x01: EU868
271 -
272 -0x02: US915
273 -
274 -0x03: IN865
275 -
276 -0x04: AU915
277 -
278 -0x05: KZ865
279 -
280 -0x06: RU864
281 -
282 -0x07: AS923
283 -
284 -0x08: AS923-1
285 -
286 -0x09: AS923-2
287 -
288 -0x0a: AS923-3
289 -
290 -0x0b: CN470
291 -
292 -0x0c: EU433
293 -
294 -0x0d: KR920
295 -
296 -0x0e: MA869
297 -
298 -(% style="color:blue" %)**Sub-Band**:
299 -
300 -AU915 and US915:value 0x00 ~~ 0x08
301 -
302 -CN470: value 0x0B ~~ 0x0C
303 -
304 -Other Bands: Always 0x00
305 -
306 -(% style="color:blue" %)**Battery Info**:
307 -
308 -Check the battery voltage.
309 -
310 -Ex1: 0x0B45 = 2885mV
311 -
312 -Ex2: 0x0B49 = 2889mV
313 -
314 -
315 -=== 2.3.2 Uplink Payload, FPORT~=2 ===
316 -
317 -
318 318  (((
319 319  LDS12-LB will uplink payload via LoRaWAN with below payload format: 
320 320  )))
321 321  
322 322  (((
323 -Uplink payload includes in total 11 bytes.
354 +Uplink payload includes in total 8 bytes.
324 324  )))
325 325  
326 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
327 -|=(% style="width: 60px;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" %)(((
328 328  **Size(bytes)**
329 -)))|=(% 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**
330 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
331 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
332 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
333 -[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
334 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
335 -[[Message Type>>||anchor="HMessageType"]]
336 -)))
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"]]
337 337  
338 -[[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"]]
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"]]
339 339  
340 340  
341 -==== (% style="color:blue" %)**Battery Info**(%%) ====
371 +=== 2.3.1  Battery Info ===
342 342  
343 343  
344 344  Check the battery voltage for LDS12-LB.
... ... @@ -348,50 +348,29 @@
348 348  Ex2: 0x0B49 = 2889mV
349 349  
350 350  
351 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
381 +=== 2.3.2  Distance ===
352 352  
353 353  
354 -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 +)))
355 355  
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" %)** **
356 356  
357 -**Example**:
391 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
392 +)))
358 358  
359 -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.
360 360  
361 -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.
362 362  
363 363  
364 -==== (% style="color:blue" %)**Distance**(%%) ====
399 +=== 2.3.3  Interrupt Pin ===
365 365  
366 366  
367 -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.
368 -
369 -
370 -**Example**:
371 -
372 -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.
373 -
374 -
375 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
376 -
377 -
378 -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.
379 -
380 -
381 -**Example**:
382 -
383 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
384 -
385 -Customers can judge whether they need to adjust the environment based on the signal strength.
386 -
387 -
388 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
389 -
390 -
391 391  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.
392 392  
393 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
394 -
395 395  **Example:**
396 396  
397 397  0x00: Normal uplink packet.
... ... @@ -399,58 +399,51 @@
399 399  0x01: Interrupt Uplink Packet.
400 400  
401 401  
402 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
411 +=== 2.3.4  DS18B20 Temperature sensor ===
403 403  
404 404  
405 -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.
406 406  
407 -**Example: **
408 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
409 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
416 +**Example**:
410 410  
418 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
411 411  
412 -==== (% style="color:blue" %)**Message Type**(%%) ====
420 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
413 413  
414 414  
423 +=== 2.3.5  Sensor Flag ===
424 +
425 +
415 415  (((
416 -For a normal uplink payload, the message type is always 0x01.
427 +0x01: Detect Ultrasonic Sensor
417 417  )))
418 418  
419 419  (((
420 -Valid Message Type:
431 +0x00: No Ultrasonic Sensor
421 421  )))
422 422  
423 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
424 -|=(% 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**
425 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
426 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
427 427  
435 +=== 2.3.6  Decode payload in The Things Network ===
428 428  
429 429  
430 -=== 2.3.3 Decode payload in The Things Network ===
431 -
432 -
433 433  While using TTN network, you can add the payload format to decode the payload.
434 434  
435 -[[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"]]
436 436  
442 +The payload decoder function for TTN V3 is here:
437 437  
438 438  (((
439 -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]]
440 440  )))
441 441  
442 -(((
443 -LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
444 -)))
445 445  
449 +== 2.4  Uplink Interval ==
446 446  
447 -== 2.4 Uplink Interval ==
448 448  
449 -
450 450  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"]]
451 451  
452 452  
453 -== 2.5 ​Show Data in DataCake IoT Server ==
455 +== 2.5  ​Show Data in DataCake IoT Server ==
454 454  
455 455  
456 456  (((
... ... @@ -541,7 +541,7 @@
541 541  Users can poll sensor values based on timestamps. Below is the downlink command.
542 542  
543 543  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
544 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
546 +|(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
545 545  |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
546 546  |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
547 547  
... ... @@ -570,94 +570,6 @@
570 570  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
571 571  
572 572  
573 -== 2.8 LiDAR ToF Measurement ==
574 -
575 -=== 2.8.1 Principle of Distance Measurement ===
576 -
577 -
578 -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.
579 -
580 -[[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"]]
581 -
582 -
583 -=== 2.8.2 Distance Measurement Characteristics ===
584 -
585 -
586 -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:
587 -
588 -[[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"]]
589 -
590 -
591 -(((
592 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
593 -)))
594 -
595 -(((
596 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
597 -)))
598 -
599 -(((
600 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
601 -)))
602 -
603 -
604 -(((
605 -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:
606 -)))
607 -
608 -[[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"]]
609 -
610 -(((
611 -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.
612 -)))
613 -
614 -[[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"]]
615 -
616 -(((
617 -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.
618 -)))
619 -
620 -
621 -=== 2.8.3 Notice of usage ===
622 -
623 -
624 -Possible invalid /wrong reading for LiDAR ToF tech:
625 -
626 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
627 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
628 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
629 -* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
630 -
631 -
632 -
633 -=== 2.8.4  Reflectivity of different objects ===
634 -
635 -
636 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
637 -|=(% 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
638 -|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
639 -|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
640 -|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
641 -|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
642 -|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
643 -|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
644 -|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
645 -|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
646 -|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
647 -|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
648 -|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
649 -|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
650 -|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
651 -|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
652 -|(% style="width:53px" %)15|(% style="width:229px" %)(((
653 -Unpolished white metal surface
654 -)))|(% style="width:93px" %)130%
655 -|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
656 -|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
657 -|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
658 -
659 -
660 -
661 661  = 3. Configure LDS12-LB =
662 662  
663 663  == 3.1 Configure Methods ==
... ... @@ -672,7 +672,6 @@
672 672  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
673 673  
674 674  
675 -
676 676  == 3.2 General Commands ==
677 677  
678 678  
... ... @@ -705,7 +705,7 @@
705 705  )))
706 706  
707 707  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
708 -|=(% 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**
709 709  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
710 710  30000
711 711  OK
... ... @@ -748,7 +748,7 @@
748 748  (% style="color:blue" %)**AT Command: AT+INTMOD**
749 749  
750 750  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
751 -|=(% 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**
752 752  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
753 753  0
754 754  OK
... ... @@ -773,36 +773,6 @@
773 773  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
774 774  
775 775  
776 -
777 -=== 3.3.3  Set Power Output Duration ===
778 -
779 -Control the output duration 3V3 . Before each sampling, device will
780 -
781 -~1. first enable the power output to external sensor,
782 -
783 -2. keep it on as per duration, read sensor value and construct uplink payload
784 -
785 -3. final, close the power output.
786 -
787 -(% style="color:blue" %)**AT Command: AT+3V3T**
788 -
789 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
790 -|=(% 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**
791 -|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
792 -OK
793 -|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
794 -|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
795 -
796 -(% style="color:blue" %)**Downlink Command: 0x07**(%%)
797 -Format: Command Code (0x07) followed by 3 bytes.
798 -
799 -The first byte is 01,the second and third bytes are the time to turn on.
800 -
801 -* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
802 -* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
803 -
804 -
805 -
806 806  = 4. Battery & Power Consumption =
807 807  
808 808  
... ... @@ -823,7 +823,7 @@
823 823  
824 824  * Fix bugs.
825 825  
826 -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]]**
827 827  
828 828  Methods to Update Firmware:
829 829  
... ... @@ -832,7 +832,6 @@
832 832  * 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]]**.
833 833  
834 834  
835 -
836 836  = 6. FAQ =
837 837  
838 838  == 6.1 What is the frequency plan for LDS12-LB? ==
... ... @@ -853,11 +853,11 @@
853 853  
854 854  
855 855  (((
856 -(% 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.)
857 857  )))
858 858  
859 859  (((
860 -(% 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.
861 861  )))
862 862  
863 863  
... ... @@ -866,7 +866,7 @@
866 866  )))
867 867  
868 868  (((
869 -(% 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.
870 870  )))
871 871  
872 872  
... ... @@ -894,7 +894,6 @@
894 894  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
895 895  
896 896  
897 -
898 898  = 9. ​Packing Info =
899 899  
900 900  
... ... @@ -913,7 +913,6 @@
913 913  * Weight / pcs : g
914 914  
915 915  
916 -
917 917  = 10. Support =
918 918  
919 919  
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