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Version 82.21 by Xiaoling on 2023/06/14 17:52
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1 (% style="text-align:center" %)
2 [[image:image-20230614153353-1.png]]
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8
9
10 **Table of Contents：**
11
12 {{toc/}}
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17
18
19 = 1. Introduction =
20
21 == 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
22
23
24 The Dragino LDS12-LB is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
25
26 The LDS12-LB can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
27
28 It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
29
30 The LoRa wireless technology used in LDS12-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
31
32 LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
33
34 LDS12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
35
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
38 [[image:image-20230614162334-2.png||height="468" width="800"]]
39
40
41 == 1.2 ​Features ==
42
43
44 * LoRaWAN 1.0.3 Class A
45 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
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
51 * Support Bluetooth v5.1 and LoRaWAN remote configure
52 * Support wireless OTA update firmware
53 * AT Commands to change parameters
54 * Downlink to change configure
55 * 8500mAh Battery for long term use
56
57
58
59 == 1.3 Specification ==
60
61
62 (% style="color:#037691" %)**Common DC Characteristics:**
63
64 * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
65 * Operating Temperature: -40 ~~ 85°C
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 (% style="color:#037691" %)**LoRa Spec:**
85
86 * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
87 * Max +22 dBm constant RF output vs.
88 * RX sensitivity: down to -139 dBm.
89 * Excellent blocking immunity
90
91 (% style="color:#037691" %)**Battery:**
92
93 * Li/SOCI2 un-chargeable battery
94 * Capacity: 8500mAh
95 * Self-Discharge: <1% / Year @ 25°C
96 * Max continuously current: 130mA
97 * Max boost current: 2A, 1 second
98
99 (% style="color:#037691" %)**Power Consumption**
100
101 * Sleep Mode: 5uA @ 3.3v
102 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
103
104
105
106 == 1.4 Applications ==
107
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
117
118
119 (% style="display:none" %)
120
121 == 1.5 Sleep mode and working mode ==
122
123
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.
125
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
128
129 == 1.6 Button & LEDs ==
130
131
132 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
133
134
135 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
136 |=(% 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 |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
138 If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
139 Meanwhile, BLE module will be active and user can connect via BLE to configure device.
140 )))
141 |(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
142 (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
143 (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
144 Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
145 )))
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
148
149
150 == 1.7 BLE connection ==
151
152
153 LDS12-LB support BLE remote configure.
154
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:
156
157 * Press button to send an uplink
158 * Press button to active device.
159 * Device Power on or reset.
160
161 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
162
163
164 == 1.8 Pin Definitions ==
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"]]
167
168
169 == 1.9 Mechanical ==
170
171
172 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
173
174
175 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
176
177
178 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
179
180
181 (% style="color:blue" %)**Probe Mechanical:**
182
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
186
187 = 2. Configure LDS12-LB to connect to LoRaWAN network =
188
189 == 2.1 How it works ==
190
191
192 The LDS12-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the LDS12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
193
194 (% style="display:none" %) (%%)
195
196 == 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
197
198
199 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
200
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
203 [[image:image-20230614162359-3.png||height="468" width="800"]](% style="display:none" %)
204
205
206 (% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
207
208 Each LDS12-LB is shipped with a sticker with the default device EUI as below:
209
210 [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
211
212
213 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
214
215
216 (% style="color:blue" %)**Register the device**
217
218 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
219
220
221 (% style="color:blue" %)**Add APP EUI and DEV EUI**
222
223 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
224
225
226 (% style="color:blue" %)**Add APP EUI in the application**
227
228
229 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
230
231
232 (% style="color:blue" %)**Add APP KEY**
233
234 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
235
236
237 (% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
238
239
240 Press the button for 5 seconds to activate the LDS12-LB.
241
242 (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
243
244 After join success, it will start to upload messages to TTN and you can see the messages in the panel.
245
246
247 == 2.3 ​Uplink Payload ==
248
249
250 (((
251 LDS12-LB will uplink payload via LoRaWAN with below payload format: 
252 )))
253
254 (((
255 Uplink payload includes in total 11 bytes.
256 )))
257
258 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
259 |=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
260 **Size(bytes)**
261 )))|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**
262 |(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
263 [[Temperature DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
264 )))|[[Distance>>||anchor="H2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(((
265 [[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
266 )))|[[LiDAR temp>>||anchor="H2.3.6LiDARtemp"]]|(((
267 [[Message Type>>||anchor="H2.3.7MessageType"]]
268 )))
269
270 [[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"]]
271
272
273 === 2.3.1 Battery Info ===
274
275
276 Check the battery voltage for LDS12-LB.
277
278 Ex1: 0x0B45 = 2885mV
279
280 Ex2: 0x0B49 = 2889mV
281
282
283 === 2.3.2 DS18B20 Temperature sensor ===
284
285
286 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
287
288
289 **Example**:
290
291 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
292
293 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
294
295
296 === 2.3.3 Distance ===
297
298
299 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.
300
301
302 **Example**:
303
304 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.
305
306
307 === 2.3.4 Distance signal strength ===
308
309
310 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.
311
312
313 **Example**:
314
315 If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
316
317 Customers can judge whether they need to adjust the environment based on the signal strength.
318
319
320 === 2.3.5 Interrupt Pin ===
321
322
323 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.
324
325 Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
326
327 **Example:**
328
329 0x00: Normal uplink packet.
330
331 0x01: Interrupt Uplink Packet.
332
333
334 === 2.3.6 LiDAR temp ===
335
336
337 Characterize the internal temperature value of the sensor.
338
339 **Example: **
340 If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
341 If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
342
343
344 === 2.3.7 Message Type ===
345
346
347 (((
348 For a normal uplink payload, the message type is always 0x01.
349 )))
350
351 (((
352 Valid Message Type:
353 )))
354
355 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
356 |=(% 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**
357 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
358 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
359
360 === 2.3.8 Decode payload in The Things Network ===
361
362
363 While using TTN network, you can add the payload format to decode the payload.
364
365 [[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"]]
366
367
368 (((
369 The payload decoder function for TTN is here:
370 )))
371
372 (((
373 LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
374 )))
375
376
377 == 2.4 Uplink Interval ==
378
379
380 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"]]
381
382
383 == 2.5 ​Show Data in DataCake IoT Server ==
384
385
386 (((
387 [[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:
388 )))
389
390
391 (((
392 (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
393 )))
394
395 (((
396 (% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
397 )))
398
399
400 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
401
402
403 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
404
405
406 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
407
408 (% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
409
410 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
411
412
413 After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
414
415 [[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"]]
416
417
418 == 2.6 Datalog Feature ==
419
420
421 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.
422
423
424 === 2.6.1 Ways to get datalog via LoRaWAN ===
425
426
427 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.
428
429 * (((
430 a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
431 )))
432 * (((
433 b) LDS12-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but LDS12-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if LDS12-LB gets a ACK, LDS12-LB will consider there is a network connection and resend all NONE-ACK messages.
434 )))
435
436 Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
437
438 [[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"]]
439
440
441 === 2.6.2 Unix TimeStamp ===
442
443
444 LDS12-LB uses Unix TimeStamp format based on
445
446 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
447
448 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
449
450 Below is the converter example
451
452 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
453
454
455 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
456
457
458 === 2.6.3 Set Device Time ===
459
460
461 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
462
463 Once LDS12-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LDS12-LB. If LDS12-LB fails to get the time from the server, LDS12-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
464
465 (% 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.**
466
467
468 === 2.6.4 Poll sensor value ===
469
470
471 Users can poll sensor values based on timestamps. Below is the downlink command.
472
473 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
474 |(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
475 |(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
476 |(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
477
478 (((
479 Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval.
480 )))
481
482 (((
483 For example, downlink command [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]]
484 )))
485
486 (((
487 Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
488 )))
489
490 (((
491 Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
492 )))
493
494
495 == 2.7 Frequency Plans ==
496
497
498 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.
499
500 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
501
502
503 == 2.8 LiDAR ToF Measurement ==
504
505 === 2.8.1 Principle of Distance Measurement ===
506
507
508 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.
509
510 [[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"]]
511
512
513 === 2.8.2 Distance Measurement Characteristics ===
514
515
516 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:
517
518 [[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"]]
519
520
521 (((
522 (% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
523 )))
524
525 (((
526 (% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
527 )))
528
529 (((
530 (% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
531 )))
532
533
534 (((
535 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:
536 )))
537
538
539 [[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"]]
540
541
542 (((
543 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.
544 )))
545
546 [[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"]]
547
548 (((
549 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.
550 )))
551
552
553 === 2.8.3 Notice of usage ===
554
555
556 Possible invalid /wrong reading for LiDAR ToF tech:
557
558 * Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
559 * While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
560 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
561 * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
562
563
564 === 2.8.4  Reflectivity of different objects ===
565
566
567 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
568 |=(% 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
569 |(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
570 |(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
571 |(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
572 |(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
573 |(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
574 |(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
575 |(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
576 |(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
577 |(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
578 |(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
579 |(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
580 |(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
581 |(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
582 |(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
583 |(% style="width:53px" %)15|(% style="width:229px" %)(((
584 Unpolished white metal surface
585 )))|(% style="width:93px" %)130%
586 |(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
587 |(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
588 |(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
589
590
591 = 3. Configure LDS12-LB =
592
593 == 3.1 Configure Methods ==
594
595
596 LDS12-LB supports below configure method:
597
598 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
599
600 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
601
602 * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
603
604
605 == 3.2 General Commands ==
606
607
608 These commands are to configure:
609
610 * General system settings like: uplink interval.
611
612 * LoRaWAN protocol & radio related command.
613
614 They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
615
616 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
617
618
619 == 3.3 Commands special design for LDS12-LB ==
620
621
622 These commands only valid for LDS12-LB, as below:
623
624
625 === 3.3.1 Set Transmit Interval Time ===
626
627
628 (((
629 Feature: Change LoRaWAN End Node Transmit Interval.
630 )))
631
632 (((
633 (% style="color:blue" %)**AT Command: AT+TDC**
634 )))
635
636 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
637 |=(% 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**
638 |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
639 30000
640 OK
641 the interval is 30000ms = 30s
642 )))
643 |(% style="width:156px" %)AT+TDC=60000|(% style="width:137px" %)Set Transmit Interval|(((
644 OK
645 Set transmit interval to 60000ms = 60 seconds
646 )))
647
648 (((
649 (% style="color:blue" %)**Downlink Command: 0x01**
650 )))
651
652 (((
653 Format: Command Code (0x01) followed by 3 bytes time value.
654 )))
655
656 (((
657 If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
658 )))
659
660 * (((
661 Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
662 )))
663 * (((
664 Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
665 )))
666
667 === 3.3.2 Set Interrupt Mode ===
668
669
670 Feature, Set Interrupt mode for PA8 of pin.
671
672 When AT+INTMOD=0 is set, PA8 is used as a digital input port.
673
674 (% style="color:blue" %)**AT Command: AT+INTMOD**
675
676 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
677 |=(% 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**
678 |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
679 0
680 OK
681 the mode is 0 =Disable Interrupt
682 )))
683 |(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
684 Set Transmit Interval
685 0. (Disable Interrupt),
686 ~1. (Trigger by rising and falling edge)
687 2. (Trigger by falling edge)
688 3. (Trigger by rising edge)
689 )))|(% style="width:157px" %)OK
690
691 (% style="color:blue" %)**Downlink Command: 0x06**
692
693 Format: Command Code (0x06) followed by 3 bytes.
694
695 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
696
697 * Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
698
699 * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
700
701
702
703 === 3.3.3 Get Firmware Version Info ===
704
705
706 Feature: use downlink to get firmware version.
707
708 (% style="color:blue" %)**Downlink Command: 0x26**
709
710 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:492px" %)
711 |(% style="background-color:#4f81bd; color:white; width:191px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:57px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:91px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:153px" %)**Downlink payload size(bytes)**
712 |(% style="width:191px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:151px" %)2
713
714 * Reply to the confirmation package: 26 01
715 * Reply to non-confirmed packet: 26 00
716
717 Device will send an uplink after got this downlink command. With below payload:
718
719 Configures info payload:
720
721 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
722 |=(% style="background-color:#4F81BD;color:white" %)(((
723 **Size(bytes)**
724 )))|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**5**|=(% style="background-color:#4F81BD;color:white" %)**1**
725 |**Value**|Software Type|(((
726 Frequency Band
727 )))|Sub-band|(((
728 Firmware Version
729 )))|Sensor Type|Reserve|(((
730 [[Message Type>>||anchor="H2.3.7MessageType"]]
731 Always 0x02
732 )))
733
734 (% style="color:#037691" %)**Software Type**(%%): Always 0x03 for LLDS12
735
736 (% style="color:#037691" %)**Frequency Band**:
737
738 *0x01: EU868
739
740 *0x02: US915
741
742 *0x03: IN865
743
744 *0x04: AU915
745
746 *0x05: KZ865
747
748 *0x06: RU864
749
750 *0x07: AS923
751
752 *0x08: AS923-1
753
754 *0x09: AS923-2
755
756 *0xa0: AS923-3
757
758
759 (% style="color:#037691" %)**Sub-Band**(%%): value 0x00 ~~ 0x08
760
761 (% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
762
763 (% style="color:#037691" %)**Sensor Type**:
764
765 0x01: LSE01
766
767 0x02: LDDS75
768
769 0x03: LDDS20
770
771 0x04: LLMS01
772
773 0x05: LSPH01
774
775 0x06: LSNPK01
776
777 0x07: LLDS12
778
779
780 = 4. Battery & Power Consumption =
781
782
783 LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
784
785 [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
786
787
788 = 5. OTA Firmware update =
789
790
791 (% class="wikigeneratedid" %)
792 User can change firmware LDS12-LB to:
793
794 * Change Frequency band/ region.
795
796 * Update with new features.
797
798 * Fix bugs.
799
800 Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
801
802 Methods to Update Firmware:
803
804 * (Recommanded way) OTA firmware update via wireless:  **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
805
806 * 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]]**.
807
808
809 = 6. FAQ =
810
811 == 6.1 What is the frequency plan for LDS12-LB? ==
812
813
814 LDS12-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
815
816
817 = 7. Trouble Shooting =
818
819 == 7.1 AT Command input doesn't work ==
820
821
822 In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
823
824
825 == 7.2 Significant error between the output distant value of LiDAR and actual distance ==
826
827
828 (((
829 (% 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.)
830 )))
831
832 (((
833 (% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
834 )))
835
836
837 (((
838 (% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
839 )))
840
841 (((
842 (% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
843 )))
844
845
846 = 8. Order Info =
847
848
849 Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
850
851 (% style="color:red" %)**XXX**(%%): **The default frequency band**
852
853 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
854
855 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
856
857 * (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
858
859 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
860
861 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
862
863 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
864
865 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
866
867 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
868
869 = 9. ​Packing Info =
870
871
872 (% style="color:#037691" %)**Package Includes**:
873
874 * LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
875
876 (% style="color:#037691" %)**Dimension and weight**:
877
878 * Device Size: cm
879
880 * Device Weight: g
881
882 * Package Size / pcs : cm
883
884 * Weight / pcs : g
885
886 = 10. Support =
887
888
889 * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
890
891 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]].