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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 94.1
edited by Saxer Lin
on 2023/08/05 14:43
Change comment: Uploaded new attachment "image-20230805144259-1.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 ==
... ... @@ -44,14 +44,16 @@
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  
... ... @@ -63,23 +63,6 @@
63 63  * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
64 64  * Operating Temperature: -40 ~~ 85°C
65 65  
66 -(% style="color:#037691" %)**Probe Specification:**
67 -
68 -* Storage temperature：-20℃~~75℃
69 -* Operating temperature : -20℃~~60℃
70 -* Measure Distance:
71 -** 0.1m ~~ 12m @ 90% Reflectivity
72 -** 0.1m ~~ 4m @ 10% Reflectivity
73 -* Accuracy : ±5cm@(0.1-6m), ±1%@(6m-12m)
74 -* Distance resolution : 5mm
75 -* Ambient light immunity : 70klux
76 -* Enclosure rating : IP65
77 -* Light source : LED
78 -* Central wavelength : 850nm
79 -* FOV : 3.6°
80 -* Material of enclosure : ABS+PC
81 -* Wire length : 25cm
82 -
83 83  (% style="color:#037691" %)**LoRa Spec:**
84 84  
85 85  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -101,29 +101,145 @@
101 101  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
102 102  
103 103  
104 -== 1.4 Applications ==
89 +== 1.4 Suitable Container & Liquid ==
105 105  
106 106  
107 -* Horizontal distance measurement
108 -* Parking management system
109 -* Object proximity and presence detection
110 -* Intelligent trash can management system
111 -* Robot obstacle avoidance
112 -* Automatic control
113 -* Sewer
92 +* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
93 +* Container shape is regular, and surface is smooth.
94 +* Container Thickness:
95 +** Pure metal material.  2~~8mm, best is 3~~5mm
96 +** Pure non metal material: <10 mm
97 +* Pure liquid without irregular deposition.
114 114  
115 115  
116 116  (% style="display:none" %)
117 117  
118 -== 1.5 Sleep mode and working mode ==
102 +== 1.5 Install LDS12-LB ==
119 119  
120 120  
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 +
121 121  (% 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.
122 122  
123 123  (% 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.
124 124  
125 125  
126 -== 1.6 Button & LEDs ==
227 +== 1.9 Button & LEDs ==
127 127  
128 128  
129 129  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -130,7 +130,7 @@
130 130  
131 131  
132 132  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
133 -|=(% 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**
134 134  |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
135 135  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
136 136  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
... ... @@ -143,7 +143,7 @@
143 143  |(% 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.
144 144  
145 145  
146 -== 1.7 BLE connection ==
247 +== 1.10 BLE connection ==
147 147  
148 148  
149 149  LDS12-LB support BLE remote configure.
... ... @@ -157,12 +157,12 @@
157 157  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
158 158  
159 159  
160 -== 1.8 Pin Definitions ==
261 +== 1.11 Pin Definitions ==
161 161  
162 -[[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]]
163 163  
164 164  
165 -== 1.9 Mechanical ==
266 +== 1.12 Mechanical ==
166 166  
167 167  
168 168  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
... ... @@ -176,10 +176,12 @@
176 176  
177 177  (% style="color:blue" %)**Probe Mechanical:**
178 178  
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"]]
179 179  
180 -[[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"]]
181 181  
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"]]
182 182  
285 +
183 183  = 2. Configure LDS12-LB to connect to LoRaWAN network =
184 184  
185 185  == 2.1 How it works ==
... ... @@ -196,7 +196,7 @@
196 196  
197 197  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.
198 198  
199 -[[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" %)
200 200  
201 201  
202 202  (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
... ... @@ -240,103 +240,32 @@
240 240  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
241 241  
242 242  
243 -== 2.3 ​Uplink Payload ==
346 +== 2.3  ​Uplink Payload ==
244 244  
245 -=== 2.3.1 Device Status, FPORT~=5 ===
246 246  
247 -
248 -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.
249 -
250 -The Payload format is as below.
251 -
252 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
253 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
254 -**Size(bytes)**
255 -)))|=(% 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**
256 -|(% 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
257 -
258 -Example parse in TTNv3
259 -
260 -[[image:image-20230805103904-1.png||height="131" width="711"]]
261 -
262 -(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24
263 -
264 -(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
265 -
266 -(% style="color:blue" %)**Frequency Band**:
267 -
268 -0x01: EU868
269 -
270 -0x02: US915
271 -
272 -0x03: IN865
273 -
274 -0x04: AU915
275 -
276 -0x05: KZ865
277 -
278 -0x06: RU864
279 -
280 -0x07: AS923
281 -
282 -0x08: AS923-1
283 -
284 -0x09: AS923-2
285 -
286 -0x0a: AS923-3
287 -
288 -0x0b: CN470
289 -
290 -0x0c: EU433
291 -
292 -0x0d: KR920
293 -
294 -0x0e: MA869
295 -
296 -(% style="color:blue" %)**Sub-Band**:
297 -
298 -AU915 and US915:value 0x00 ~~ 0x08
299 -
300 -CN470: value 0x0B ~~ 0x0C
301 -
302 -Other Bands: Always 0x00
303 -
304 -(% style="color:blue" %)**Battery Info**:
305 -
306 -Check the battery voltage.
307 -
308 -Ex1: 0x0B45 = 2885mV
309 -
310 -Ex2: 0x0B49 = 2889mV
311 -
312 -
313 -=== 2.3.2 Uplink Payload, FPORT~=2 ===
314 -
315 -
316 316  (((
317 -LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will:
350 +LDS12-LB will uplink payload via LoRaWAN with below payload format: 
351 +)))
318 318  
319 -periodically send this uplink every 20 minutes, this interval [[can be changed>>https://111]].
320 -
321 -Uplink Payload totals 11 bytes.
353 +(((
354 +Uplink payload includes in total 8 bytes.
322 322  )))
323 323  
324 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
325 -|=(% 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" %)(((
326 326  **Size(bytes)**
327 -)))|=(% 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**
328 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
329 -[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
330 -)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
331 -[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
332 -)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
333 -[[Message Type>>||anchor="HMessageType"]]
334 -)))
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"]]
335 335  
336 -[[image:image-20230805104104-2.png||height="136" width="754"]]
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"]]
337 337  
338 338  
339 -==== (% style="color:blue" %)**Battery Info**(%%) ====
371 +=== 2.3.1  Battery Info ===
340 340  
341 341  
342 342  Check the battery voltage for LDS12-LB.
... ... @@ -346,50 +346,29 @@
346 346  Ex2: 0x0B49 = 2889mV
347 347  
348 348  
349 -==== (% style="color:blue" %)**DS18B20 Temperature sensor**(%%) ====
381 +=== 2.3.2  Distance ===
350 350  
351 351  
352 -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 +)))
353 353  
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" %)** **
354 354  
355 -**Example**:
391 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
392 +)))
356 356  
357 -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.
358 358  
359 -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.
360 360  
361 361  
362 -==== (% style="color:blue" %)**Distance**(%%) ====
399 +=== 2.3.3  Interrupt Pin ===
363 363  
364 364  
365 -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.
366 -
367 -
368 -**Example**:
369 -
370 -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.
371 -
372 -
373 -==== (% style="color:blue" %)**Distance signal strength**(%%) ====
374 -
375 -
376 -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.
377 -
378 -
379 -**Example**:
380 -
381 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
382 -
383 -Customers can judge whether they need to adjust the environment based on the signal strength.
384 -
385 -
386 -==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
387 -
388 -
389 389  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.
390 390  
391 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
392 -
393 393  **Example:**
394 394  
395 395  0x00: Normal uplink packet.
... ... @@ -397,53 +397,53 @@
397 397  0x01: Interrupt Uplink Packet.
398 398  
399 399  
400 -==== (% style="color:blue" %)**LiDAR temp**(%%) ====
411 +=== 2.3.4  DS18B20 Temperature sensor ===
401 401  
402 402  
403 -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.
404 404  
405 -**Example: **
406 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
407 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
416 +**Example**:
408 408  
418 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
409 409  
410 -==== (% style="color:blue" %)**Message Type**(%%) ====
420 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
411 411  
412 412  
423 +=== 2.3.5  Sensor Flag ===
424 +
425 +
413 413  (((
414 -For a normal uplink payload, the message type is always 0x01.
427 +0x01: Detect Ultrasonic Sensor
415 415  )))
416 416  
417 417  (((
418 -Valid Message Type:
431 +0x00: No Ultrasonic Sensor
419 419  )))
420 420  
421 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
422 -|=(% 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**
423 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
424 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
425 425  
435 +=== 2.3.6  Decode payload in The Things Network ===
426 426  
427 -=== 2.3.3 Decode payload in The Things Network ===
428 428  
429 -
430 430  While using TTN network, you can add the payload format to decode the payload.
431 431  
432 -[[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"]]
433 433  
442 +The payload decoder function for TTN V3 is here:
434 434  
435 435  (((
436 -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]]
437 437  )))
438 438  
439 -(((
440 -LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
441 -)))
442 442  
449 +== 2.4  Uplink Interval ==
443 443  
444 -== 2.4 ​Show Data in DataCake IoT Server ==
445 445  
452 +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"]]
446 446  
454 +
455 +== 2.5  ​Show Data in DataCake IoT Server ==
456 +
457 +
447 447  (((
448 448  [[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:
449 449  )))
... ... @@ -476,13 +476,13 @@
476 476  [[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"]]
477 477  
478 478  
479 -== 2.5 Datalog Feature ==
490 +== 2.6 Datalog Feature ==
480 480  
481 481  
482 482  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.
483 483  
484 484  
485 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
496 +=== 2.6.1 Ways to get datalog via LoRaWAN ===
486 486  
487 487  
488 488  Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
... ... @@ -499,7 +499,7 @@
499 499  [[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"]]
500 500  
501 501  
502 -=== 2.5.2 Unix TimeStamp ===
513 +=== 2.6.2 Unix TimeStamp ===
503 503  
504 504  
505 505  LDS12-LB uses Unix TimeStamp format based on
... ... @@ -516,7 +516,7 @@
516 516  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
517 517  
518 518  
519 -=== 2.5.3 Set Device Time ===
530 +=== 2.6.3 Set Device Time ===
520 520  
521 521  
522 522  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
... ... @@ -526,13 +526,13 @@
526 526  (% 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.**
527 527  
528 528  
529 -=== 2.5.4 Poll sensor value ===
540 +=== 2.6.4 Poll sensor value ===
530 530  
531 531  
532 532  Users can poll sensor values based on timestamps. Below is the downlink command.
533 533  
534 534  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
535 -|(% 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)**
536 536  |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
537 537  |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
538 538  
... ... @@ -553,7 +553,7 @@
553 553  )))
554 554  
555 555  
556 -== 2.6 Frequency Plans ==
567 +== 2.7 Frequency Plans ==
557 557  
558 558  
559 559  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.
... ... @@ -561,92 +561,6 @@
561 561  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
562 562  
563 563  
564 -== 2.7 LiDAR ToF Measurement ==
565 -
566 -=== 2.7.1 Principle of Distance Measurement ===
567 -
568 -
569 -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.
570 -
571 -[[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"]]
572 -
573 -
574 -=== 2.7.2 Distance Measurement Characteristics ===
575 -
576 -
577 -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:
578 -
579 -[[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"]]
580 -
581 -
582 -(((
583 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
584 -)))
585 -
586 -(((
587 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
588 -)))
589 -
590 -(((
591 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
592 -)))
593 -
594 -
595 -(((
596 -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:
597 -)))
598 -
599 -[[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"]]
600 -
601 -(((
602 -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.
603 -)))
604 -
605 -[[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"]]
606 -
607 -(((
608 -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.
609 -)))
610 -
611 -
612 -=== 2.7.3 Notice of usage ===
613 -
614 -
615 -Possible invalid /wrong reading for LiDAR ToF tech:
616 -
617 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
618 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
619 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
620 -* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
621 -
622 -
623 -=== 2.7.4  Reflectivity of different objects ===
624 -
625 -
626 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
627 -|=(% 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
628 -|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
629 -|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
630 -|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
631 -|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
632 -|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
633 -|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
634 -|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
635 -|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
636 -|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
637 -|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
638 -|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
639 -|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
640 -|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
641 -|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
642 -|(% style="width:53px" %)15|(% style="width:229px" %)(((
643 -Unpolished white metal surface
644 -)))|(% style="width:93px" %)130%
645 -|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
646 -|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
647 -|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
648 -
649 -
650 650  = 3. Configure LDS12-LB =
651 651  
652 652  == 3.1 Configure Methods ==
... ... @@ -693,7 +693,7 @@
693 693  )))
694 694  
695 695  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
696 -|=(% 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**
697 697  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
698 698  30000
699 699  OK
... ... @@ -736,7 +736,7 @@
736 736  (% style="color:blue" %)**AT Command: AT+INTMOD**
737 737  
738 738  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
739 -|=(% 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**
740 740  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
741 741  0
742 742  OK
... ... @@ -761,34 +761,6 @@
761 761  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
762 762  
763 763  
764 -=== 3.3.3  Set Power Output Duration ===
765 -
766 -Control the output duration 3V3 . Before each sampling, device will
767 -
768 -~1. first enable the power output to external sensor,
769 -
770 -2. keep it on as per duration, read sensor value and construct uplink payload
771 -
772 -3. final, close the power output.
773 -
774 -(% style="color:blue" %)**AT Command: AT+3V3T**
775 -
776 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
777 -|=(% 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**
778 -|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
779 -OK
780 -|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
781 -|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
782 -
783 -(% style="color:blue" %)**Downlink Command: 0x07**(%%)
784 -Format: Command Code (0x07) followed by 3 bytes.
785 -
786 -The first byte is 01,the second and third bytes are the time to turn on.
787 -
788 -* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
789 -* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
790 -
791 -
792 792  = 4. Battery & Power Consumption =
793 793  
794 794  
... ... @@ -809,7 +809,7 @@
809 809  
810 810  * Fix bugs.
811 811  
812 -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]]**
813 813  
814 814  Methods to Update Firmware:
815 815  
... ... @@ -838,11 +838,11 @@
838 838  
839 839  
840 840  (((
841 -(% 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.)
842 842  )))
843 843  
844 844  (((
845 -(% 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.
846 846  )))
847 847  
848 848  
... ... @@ -851,7 +851,7 @@
851 851  )))
852 852  
853 853  (((
854 -(% 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.
855 855  )))
856 856  
857 857  
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