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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 90.18
edited by Xiaoling
on 2023/07/15 15:53
Change comment: There is no comment for this version
To version 118.4
edited by Xiaoling
on 2023/11/28 14:04
Change comment: There is no comment for this version

Summary

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Title
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1 -LDS12-LB -- LoRaWAN LiDAR ToF Distance Sensor User Manual
1 +DS20L -- LoRaWAN Smart Distance Detector User Manual
Content
... ... @@ -1,5 +1,5 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20230614153353-1.png]]
2 +[[image:image-20231110085342-2.png||height="481" width="481"]]
3 3  
4 4  
5 5  
... ... @@ -7,6 +7,7 @@
7 7  
8 8  
9 9  
10 +
10 10  **Table of Contents：**
11 11  
12 12  {{toc/}}
... ... @@ -18,176 +18,66 @@
18 18  
19 19  = 1. Introduction =
20 20  
21 -== 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
22 +== 1.1 What is LoRaWAN Smart Distance Detector ==
22 22  
23 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 +The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN. DS20L can measure range between 3cm ~~ 200cm.
25 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 +DS20L allows users to send data and reach extremely long ranges via LoRaWAN. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current 
28 +consumption. It targets professional wireless sensor network applications such smart cities, building automation, and so on.
27 27  
28 -It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
30 +DS20L has a (% style="color:blue" %)**built-in 2400mAh non-chargeable battery**(%%) for long-term use up to several years*. Users can also power DS20L with an external power source for (% style="color:blue" %)**continuous measuring and distance alarm / counting purposes.**
29 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.
32 +DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
31 31  
32 -LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
33 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 +[[image:image-20231110102635-5.png||height="402" width="807"]]
35 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 37  
38 -[[image:image-20230615152941-1.png||height="459" width="800"]]
39 -
40 -
41 41  == 1.2 ​Features ==
42 42  
43 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
41 +* LoRaWAN Class A protocol
42 +* LiDAR distance detector, range 3 ~~ 200cm
43 +* Periodically detect or continuously detect mode
53 53  * AT Commands to change parameters
54 -* Downlink to change configure
55 -* 8500mAh Battery for long term use
45 +* Remotely configure parameters via LoRaWAN Downlink
46 +* Alarm & Counting mode
47 +* Firmware upgradable via program port or LoRa protocol
48 +* Built-in 2400mAh battery or power by external power source
56 56  
57 -
58 -
59 59  == 1.3 Specification ==
60 60  
61 61  
62 -(% style="color:#037691" %)**Common DC Characteristics:**
53 +(% style="color:#037691" %)**LiDAR Sensor:**
63 63  
64 -* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
65 -* Operating Temperature: -40 ~~ 85°C
55 +* Operation Temperature: -40 ~~ 80 °C
56 +* Operation Humidity: 0~~99.9%RH (no Dew)
57 +* Storage Temperature: -10 ~~ 45°C
58 +* Measure Range: 3cm~~200cm @ 90% reflectivity
59 +* Accuracy: ±2cm @ (3cm~~100cm); ±5% @ (100~~200cm)
60 +* ToF FoV: ±9°, Total 18°
61 +* Light source: VCSEL
66 66  
67 -(% style="color:#037691" %)**Probe Specification:**
63 +== 1.4 Power Consumption ==
68 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 83  
84 -(% style="color:#037691" %)**LoRa Spec:**
66 +(% style="color:#037691" %)**Battery Power Mode:**
85 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
68 +* Idle: 0.003 mA @ 3.3v
69 +* Max : 360 mA
90 90  
91 -(% style="color:#037691" %)**Battery:**
71 +(% style="color:#037691" %)**Continuously mode**:
92 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
73 +* Idle: 21 mA @ 3.3v
74 +* Max : 360 mA
98 98  
99 -(% style="color:#037691" %)**Power Consumption**
76 += 2. Configure DS20L to connect to LoRaWAN network =
100 100  
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:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 225px;background-color:#4F81BD;color:white" %)**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 -== 1.7 BLE connection ==
149 -
150 -
151 -LDS12-LB support BLE remote configure.
152 -
153 -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:
154 -
155 -* Press button to send an uplink
156 -* Press button to active device.
157 -* Device Power on or reset.
158 -
159 -If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
160 -
161 -
162 -== 1.8 Pin Definitions ==
163 -
164 -[[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"]]
165 -
166 -
167 -== 1.9 Mechanical ==
168 -
169 -
170 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
171 -
172 -
173 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
174 -
175 -
176 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
177 -
178 -
179 -(% style="color:blue" %)**Probe Mechanical:**
180 -
181 -
182 -[[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"]]
183 -
184 -
185 -= 2. Configure LDS12-LB to connect to LoRaWAN network =
186 -
187 187  == 2.1 How it works ==
188 188  
189 189  
190 -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.
81 +The DS20L 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 DS20L. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
191 191  
192 192  (% style="display:none" %) (%%)
193 193  
... ... @@ -196,15 +196,14 @@
196 196  
197 197  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.
198 198  
199 -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.
90 +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.(% style="display:none" %)
200 200  
201 -[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
92 +[[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
202 202  
94 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
203 203  
204 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
96 +Each DS20L is shipped with a sticker with the default device EUI as below:
205 205  
206 -Each LDS12-LB is shipped with a sticker with the default device EUI as below:
207 -
208 208  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
209 209  
210 210  
... ... @@ -232,10 +232,11 @@
232 232  [[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"]]
233 233  
234 234  
235 -(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
125 +(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
236 236  
127 +[[image:image-20231128133704-1.png||height="189" width="441"]]
237 237  
238 -Press the button for 5 seconds to activate the LDS12-LB.
129 +Press the button for 5 seconds to activate the DS20L.
239 239  
240 240  (% 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.
241 241  
... ... @@ -247,7 +247,7 @@
247 247  === 2.3.1 Device Status, FPORT~=5 ===
248 248  
249 249  
250 -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.
141 +Users can use the downlink command(**0x26 01**) to ask DS20L to send device configure detail, include device configure status. DS20L will uplink a payload via FPort=5 to server.
251 251  
252 252  The Payload format is as below.
253 253  
... ... @@ -259,8 +259,10 @@
259 259  
260 260  Example parse in TTNv3
261 261  
262 -(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24
153 +[[image:1701149922873-259.png]]
263 263  
155 +(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
156 +
264 264  (% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
265 265  
266 266  (% style="color:blue" %)**Frequency Band**:
... ... @@ -314,11 +314,11 @@
314 314  
315 315  
316 316  (((
317 -LDS12-LB will uplink payload via LoRaWAN with below payload format: 
318 -)))
210 +DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
319 319  
320 -(((
321 -Uplink payload includes in total 11 bytes.
212 +periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
213 +
214 +Uplink Payload totals 11 bytes.
322 322  )))
323 323  
324 324  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -333,13 +333,13 @@
333 333  [[Message Type>>||anchor="HMessageType"]]
334 334  )))
335 335  
336 -[[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"]]
229 +[[image:image-20230805104104-2.png||height="136" width="754"]]
337 337  
338 338  
339 339  ==== (% style="color:blue" %)**Battery Info**(%%) ====
340 340  
341 341  
342 -Check the battery voltage for LDS12-LB.
235 +Check the battery voltage for DS20L.
343 343  
344 344  Ex1: 0x0B45 = 2885mV
345 345  
... ... @@ -383,18 +383,33 @@
383 383  Customers can judge whether they need to adjust the environment based on the signal strength.
384 384  
385 385  
279 +**1) When the sensor detects valid data:**
280 +
281 +[[image:image-20230805155335-1.png||height="145" width="724"]]
282 +
283 +
284 +**2) When the sensor detects invalid data:**
285 +
286 +[[image:image-20230805155428-2.png||height="139" width="726"]]
287 +
288 +
289 +**3) When the sensor is not connected:**
290 +
291 +[[image:image-20230805155515-3.png||height="143" width="725"]]
292 +
293 +
386 386  ==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
387 387  
388 388  
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"]].
299 +Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
392 392  
393 393  **Example:**
394 394  
395 -0x00: Normal uplink packet.
303 +If byte[0]&0x01=0x00 : Normal uplink packet.
396 396  
397 -0x01: Interrupt Uplink Packet.
305 +If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
398 398  
399 399  
400 400  ==== (% style="color:blue" %)**LiDAR temp**(%%) ====
... ... @@ -420,242 +420,160 @@
420 420  
421 421  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
422 422  |=(% 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"]]
331 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
332 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
425 425  
426 -=== 2.3.3 Decode payload in The Things Network ===
334 +[[image:image-20230805150315-4.png||height="233" width="723"]]
427 427  
428 428  
429 -While using TTN network, you can add the payload format to decode the payload.
337 +=== 2.3.3 Historical measuring distance, FPORT~=3 ===
430 430  
431 -[[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"]]
432 432  
340 +DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
433 433  
434 -(((
435 -The payload decoder function for TTN is here:
436 -)))
342 +The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
437 437  
438 -(((
439 -LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
440 -)))
344 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
345 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
346 +**Size(bytes)**
347 +)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% 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: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
348 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
349 +Reserve(0xFF)
350 +)))|Distance|Distance signal strength|(% style="width:88px" %)(((
351 +LiDAR temp
352 +)))|(% style="width:85px" %)Unix TimeStamp
441 441  
354 +**Interrupt flag & Interrupt level:**
442 442  
443 -== 2.4 Uplink Interval ==
444 -
445 -
446 -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"]]
447 -
448 -
449 -== 2.5 ​Show Data in DataCake IoT Server ==
450 -
451 -
452 -(((
453 -[[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:
356 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
357 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
358 +**Size(bit)**
359 +)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
360 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
361 +Interrupt flag
454 454  )))
455 455  
456 -
457 -(((
458 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
364 +* (((
365 +Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands.
459 459  )))
460 460  
461 -(((
462 -(% 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:**
463 -)))
368 +For example, in the US915 band, the max payload for different DR is:
464 464  
370 +**a) DR0:** max is 11 bytes so one entry of data
465 465  
466 -[[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"]]
372 +**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
467 467  
374 +**c) DR2:** total payload includes 11 entries of data
468 468  
469 -[[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"]]
376 +**d) DR3:** total payload includes 22 entries of data.
470 470  
378 +If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
471 471  
472 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
473 473  
474 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
381 +**Downlink:**
475 475  
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/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
383 +0x31 64 CC 68 0C 64 CC 69 74 05
477 477  
385 +[[image:image-20230805144936-2.png||height="113" width="746"]]
478 478  
479 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
387 +**Uplink:**
480 480  
481 -[[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"]]
389 +43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
482 482  
483 483  
484 -== 2.6 Datalog Feature ==
392 +**Parsed Value:**
485 485  
394 +[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
486 486  
487 -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.
488 488  
397 +[360,176,30,High,True,2023-08-04 02:53:00],
489 489  
490 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
399 +[355,168,30,Low,False,2023-08-04 02:53:29],
491 491  
401 +[245,211,30,Low,False,2023-08-04 02:54:29],
492 492  
493 -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.
403 +[57,700,30,Low,False,2023-08-04 02:55:29],
494 494  
495 -* (((
496 -a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
497 -)))
498 -* (((
499 -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.
500 -)))
405 +[361,164,30,Low,True,2023-08-04 02:56:00],
501 501  
502 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
407 +[337,184,30,Low,False,2023-08-04 02:56:40],
503 503  
504 -[[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"]]
409 +[20,4458,30,Low,False,2023-08-04 02:57:40],
505 505  
411 +[362,173,30,Low,False,2023-08-04 02:58:53],
506 506  
507 -=== 2.6.2 Unix TimeStamp ===
508 508  
414 +**History read from serial port：**
509 509  
510 -LDS12-LB uses Unix TimeStamp format based on
416 +[[image:image-20230805145056-3.png]]
511 511  
512 -[[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"]]
513 513  
514 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
419 +=== 2.3.4 Decode payload in The Things Network ===
515 515  
516 -Below is the converter example
517 517  
518 -[[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"]]
422 +While using TTN network, you can add the payload format to decode the payload.
519 519  
424 +[[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"]]
520 520  
521 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
522 522  
523 -
524 -=== 2.6.3 Set Device Time ===
525 -
526 -
527 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
528 -
529 -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).
530 -
531 -(% 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.**
532 -
533 -
534 -=== 2.6.4 Poll sensor value ===
535 -
536 -
537 -Users can poll sensor values based on timestamps. Below is the downlink command.
538 -
539 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
540 -|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
541 -|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
542 -|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
543 -
544 544  (((
545 -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.
428 +The payload decoder function for TTN is here:
546 546  )))
547 547  
548 548  (((
549 -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"]]
432 +DS20L TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
550 550  )))
551 551  
552 -(((
553 -Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
554 -)))
555 555  
556 -(((
557 -Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
558 -)))
436 +== 2.4 ​Show Data in DataCake IoT Server ==
559 559  
560 560  
561 -== 2.7 Frequency Plans ==
562 -
563 -
564 -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.
565 -
566 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
567 -
568 -
569 -== 2.8 LiDAR ToF Measurement ==
570 -
571 -=== 2.8.1 Principle of Distance Measurement ===
572 -
573 -
574 -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.
575 -
576 -[[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"]]
577 -
578 -
579 -=== 2.8.2 Distance Measurement Characteristics ===
580 -
581 -
582 -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:
583 -
584 -[[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"]]
585 -
586 -
587 587  (((
588 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
440 +[[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:
589 589  )))
590 590  
443 +
591 591  (((
592 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
445 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
593 593  )))
594 594  
595 595  (((
596 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
449 +(% 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:**
597 597  )))
598 598  
599 599  
600 -(((
601 -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:
602 -)))
453 +[[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"]]
603 603  
604 -[[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"]]
605 605  
606 -(((
607 -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.
608 -)))
456 +[[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"]]
609 609  
610 -[[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"]]
611 611  
612 -(((
613 -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.
614 -)))
459 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
615 615  
461 +(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
616 616  
617 -=== 2.8.3 Notice of usage ===
463 +[[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"]]
618 618  
619 619  
620 -Possible invalid /wrong reading for LiDAR ToF tech:
466 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
621 621  
622 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
623 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
624 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
625 -* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
468 +[[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"]]
626 626  
627 -=== 2.8.4  Reflectivity of different objects ===
628 628  
471 +== 2.5 Frequency Plans ==
629 629  
630 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
631 -|=(% 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
632 -|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
633 -|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
634 -|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
635 -|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
636 -|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
637 -|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
638 -|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
639 -|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
640 -|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
641 -|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
642 -|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
643 -|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
644 -|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
645 -|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
646 -|(% style="width:53px" %)15|(% style="width:229px" %)(((
647 -Unpolished white metal surface
648 -)))|(% style="width:93px" %)130%
649 -|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
650 -|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
651 -|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
652 652  
653 -= 3. Configure LDS12-LB =
474 +The DS20L 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.
654 654  
476 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
477 +
478 +
479 += 3. Configure DS20L =
480 +
655 655  == 3.1 Configure Methods ==
656 656  
657 657  
658 -LDS12-LB supports below configure method:
484 +DS20L supports below configure method:
659 659  
660 660  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
661 661  
... ... @@ -677,10 +677,10 @@
677 677  [[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/]]
678 678  
679 679  
680 -== 3.3 Commands special design for LDS12-LB ==
506 +== 3.3 Commands special design for DS20L ==
681 681  
682 682  
683 -These commands only valid for LDS12-LB, as below:
509 +These commands only valid for DS20L, as below:
684 684  
685 685  
686 686  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -722,18 +722,16 @@
722 722  Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
723 723  )))
724 724  * (((
725 -Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds 
726 -
727 -
728 -
551 +Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
729 729  )))
730 730  
554 +
731 731  === 3.3.2 Set Interrupt Mode ===
732 732  
733 733  
734 -Feature, Set Interrupt mode for PA8 of pin.
558 +Feature, Set Interrupt mode for pin of GPIO_EXTI.
735 735  
736 -When AT+INTMOD=0 is set, PA8 is used as a digital input port.
560 +When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
737 737  
738 738  (% style="color:blue" %)**AT Command: AT+INTMOD**
739 739  
... ... @@ -744,7 +744,11 @@
744 744  OK
745 745  the mode is 0 =Disable Interrupt
746 746  )))
747 -|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
571 +|(% style="width:154px" %)(((
572 +AT+INTMOD=3
573 +
574 +(default)
575 +)))|(% style="width:196px" %)(((
748 748  Set Transmit Interval
749 749  0. (Disable Interrupt),
750 750  ~1. (Trigger by rising and falling edge)
... ... @@ -762,37 +762,82 @@
762 762  
763 763  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
764 764  
765 -=== 3.3.3  Set Power Output Duration ===
766 766  
767 -Control the output duration 3V3 . Before each sampling, device will
768 768  
769 -~1. first enable the power output to external sensor,
595 +== 3.3.3 Set work mode ==
770 770  
771 -2. keep it on as per duration, read sensor value and construct uplink payload
772 772  
773 -3. final, close the power output.
598 +Feature: Switch working mode
774 774  
775 -(% style="color:blue" %)**AT Command: AT+3V3T**
600 +(% style="color:blue" %)**AT Command: AT+MOD**
776 776  
777 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
778 -|=(% 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**
779 -|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
602 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:463px" %)
603 +|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 108px;background-color:#4F81BD;color:white" %)**Response**
604 +|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
605 +|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
780 780  OK
781 -|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
782 -|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
783 783  
784 -(% style="color:blue" %)**Downlink Command: 0x07**(%%)
785 -Format: Command Code (0x07) followed by 3 bytes.
608 +Attention:Take effect after ATZ
609 +)))
786 786  
787 -The first byte is 01,the second and third bytes are the time to turn on.
611 +(% style="color:blue" %)**Downlink Command:**
788 788  
789 -* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
790 -* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
613 +* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
791 791  
615 +* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
616 +
617 +
618 +=== 3.3.4 Set threshold and threshold mode ===
619 +
620 +
621 +Feature, Set threshold and threshold mode
622 +
623 +When **AT+DOL=0,0,0,0,400** is set, No threshold is used, the sampling time is 400ms.
624 +
625 +(% style="color:blue" %)**AT Command: AT+DOL**
626 +
627 +(% border="1" cellspacing="4" style="width:571.818px" %)
628 +|(% style="width:172px;background-color:#4F81BD;color:white" %)**Command Example**|(% style="width:279px;background-color:#4F81BD;color:white" %)**Function**|(% style="width:118px;background-color:#4F81BD;color:white" %)**Response**
629 +|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
630 +0,0,0,0,400
631 +
632 +OK
633 +)))
634 +|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
635 +
636 +
637 +(% border="1" cellspacing="4" style="width:668.818px" %)
638 +|(% rowspan="11" style="width:166px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:226px" %)The first bit sets the limit mode|(% style="width:251px" %)0:Do not use upper and lower limits
639 +|(% style="width:251px" %)1:Use upper and lower limits
640 +|(% style="width:251px" %)2:Less than the lower limit
641 +|(% style="width:251px" %)3:Greater than the lower limit
642 +|(% style="width:251px" %)4:Less than the upper limit
643 +|(% style="width:251px" %)5: Greater than the upper limit
644 +|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
645 +|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
646 +|(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high
647 +|(% style="width:251px" %)1 Person or object counting statistics
648 +|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
649 +0~~10000ms
650 +
651 +
652 +)))
653 +
654 +(% style="color:blue" %)**Downlink Command: 0x07**
655 +
656 +Format: Command Code (0x07) followed by 9bytes.
657 +
658 +* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
659 +
660 +* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
661 +
662 +
663 +
664 +
792 792  = 4. Battery & Power Consumption =
793 793  
794 794  
795 -LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
668 +DS20L use built-in 2400mAh non-chargeable battery for long-term use up to several years*. See below link for detail information about the battery info and how to replace.
796 796  
797 797  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
798 798  
... ... @@ -801,7 +801,7 @@
801 801  
802 802  
803 803  (% class="wikigeneratedid" %)
804 -User can change firmware LDS12-LB to:
677 +User can change firmware DS20L to:
805 805  
806 806  * Change Frequency band/ region.
807 807  
... ... @@ -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]]**
685 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zqv1vt3komgp4tu/AAC33PnXIcWOVl_UXBEAeT_xa?dl=0]]**
813 813  
814 814  Methods to Update Firmware:
815 815  
... ... @@ -819,10 +819,10 @@
819 819  
820 820  = 6. FAQ =
821 821  
822 -== 6.1 What is the frequency plan for LDS12-LB? ==
695 +== 6.1 What is the frequency plan for DS20L? ==
823 823  
824 824  
825 -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"]]
698 +DS20L 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"]]
826 826  
827 827  
828 828  = 7. Trouble Shooting =
... ... @@ -857,7 +857,7 @@
857 857  = 8. Order Info =
858 858  
859 859  
860 -Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
733 +Part Number: (% style="color:blue" %)**DS20L-XXX**
861 861  
862 862  (% style="color:red" %)**XXX**(%%): **The default frequency band**
863 863  
... ... @@ -882,7 +882,7 @@
882 882  
883 883  (% style="color:#037691" %)**Package Includes**:
884 884  
885 -* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
758 +* DS20L LoRaWAN Smart Distance Detector x 1
886 886  
887 887  (% style="color:#037691" %)**Dimension and weight**:
888 888  
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