Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01

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Details

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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

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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
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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-20230614162334-2.png||height="468" 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	57	== 1.3 Specification ==
58	58
59	59
60		-(% style="color:#037691" %)**Common DC Characteristics:**
	53	+(% style="color:#037691" %)**LiDAR Sensor:**
61	61
62		-* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
63		-* 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
64	64
65		-(% style="color:#037691" %)**Probe Specification:**
	63	+== 1.4 Power Consumption ==
66	66
67		-* Storage temperature：-20℃~~75℃
68		-* Operating temperature : -20℃~~60℃
69		-* Measure Distance:
70		-** 0.1m ~~ 12m @ 90% Reflectivity
71		-** 0.1m ~~ 4m @ 10% Reflectivity
72		-* Accuracy : ±5cm@(0.1-6m), ±1%@(6m-12m)
73		-* Distance resolution : 5mm
74		-* Ambient light immunity : 70klux
75		-* Enclosure rating : IP65
76		-* Light source : LED
77		-* Central wavelength : 850nm
78		-* FOV : 3.6°
79		-* Material of enclosure : ABS+PC
80		-* Wire length : 25cm
81	81
82		-(% style="color:#037691" %)**LoRa Spec:**
	66	+(% style="color:#037691" %)**Battery Power Mode:**
83	83
84		-* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
85		-* Max +22 dBm constant RF output vs.
86		-* RX sensitivity: down to -139 dBm.
87		-* Excellent blocking immunity
	68	+* Idle: 0.003 mA @ 3.3v
	69	+* Max : 360 mA
88	88
89		-(% style="color:#037691" %)**Battery:**
	71	+(% style="color:#037691" %)**Continuously mode**:
90	90
91		-* Li/SOCI2 un-chargeable battery
92		-* Capacity: 8500mAh
93		-* Self-Discharge: <1% / Year @ 25°C
94		-* Max continuously current: 130mA
95		-* Max boost current: 2A, 1 second
	73	+* Idle: 21 mA @ 3.3v
	74	+* Max : 360 mA
96	96
97		-(% style="color:#037691" %)**Power Consumption**
	76	+= 2. Configure DS20L to connect to LoRaWAN network =
98	98
99		-* Sleep Mode: 5uA @ 3.3v
100		-* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
101		-
102		-
103		-
104		-== 1.4 Applications ==
105		-
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
114		-
115		-
116		-
117		-(% style="display:none" %)
118		-
119		-== 1.5 Sleep mode and working mode ==
120		-
121		-
122		-(% 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.
123		-
124		-(% 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.
125		-
126		-
127		-== 1.6 Button & LEDs ==
128		-
129		-
130		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
131		-
132		-
133		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
134		-|=(% 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**
135		-|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
136		-If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
137		-Meanwhile, BLE module will be active and user can connect via BLE to configure device.
138		-)))
139		-|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
140		-(% 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.
141		-(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
142		-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.
143		-)))
144		-|(% 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.
145		-
146		-== 1.7 BLE connection ==
147		-
148		-
149		-LDS12-LB support BLE remote configure.
150		-
151		-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:
152		-
153		-* Press button to send an uplink
154		-* Press button to active device.
155		-* Device Power on or reset.
156		-
157		-If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
158		-
159		-
160		-== 1.8 Pin Definitions ==
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"]]
163		-
164		-
165		-
166		-== 1.9 Mechanical ==
167		-
168		-
169		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
170		-
171		-
172		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
173		-
174		-
175		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
176		-
177		-
178		-(% style="color:blue" %)**Probe Mechanical:**
179		-
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-20230614162359-3.png||height="468" 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
...	...	@@ -242,361 +242,351 @@
242	242	After join success, it will start to upload messages to TTN and you can see the messages in the panel.
243	243
244	244
245		-== 2.3  ​Uplink Payload ==
	136	+== 2.3 ​Uplink Payload ==
246	246
	138	+=== 2.3.1 Device Status, FPORT~=5 ===
247	247
248		-(((
249		-LDS12-LB will uplink payload via LoRaWAN with below payload format:
250		-)))
251	251
252		-(((
253		-Uplink payload includes in total 11 bytes.
254		-)))
	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.
255	255
	143	+The Payload format is as below.
256	256
257		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
258		-|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
	145	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	146	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
259	259	**Size(bytes)**
260		-)))|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="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" %)**1**|=(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
261		-|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
262		-[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
263		-)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
264		-[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
265		-)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
266		-[[Message Type>>||anchor="H2.3.7A0MessageType"]]
267		-)))
	148	+)))|=(% 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**
	149	+|(% 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
268	268
269		-[[image:1654833689380-972.png]]
	151	+Example parse in TTNv3
270	270
	153	+[[image:1701149922873-259.png]]
271	271
272		-=== 2.3.1  Battery Info ===
	155	+(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
273	273
	157	+(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
274	274
275		-Check the battery voltage for LDS12-LB.
	159	+(% style="color:blue" %)**Frequency Band**:
276	276
277		-Ex1: 0x0B45 = 2885mV
	161	+0x01: EU868
278	278
279		-Ex2: 0x0B49 = 2889mV
	163	+0x02: US915
280	280
	165	+0x03: IN865
281	281
282		-=== 2.3.2  DS18B20 Temperature sensor ===
	167	+0x04: AU915
283	283
	169	+0x05: KZ865
284	284
285		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
	171	+0x06: RU864
286	286
	173	+0x07: AS923
287	287
288		-**Example**:
	175	+0x08: AS923-1
289	289
290		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	177	+0x09: AS923-2
291	291
292		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	179	+0x0a: AS923-3
293	293
	181	+0x0b: CN470
294	294
295		-=== 2.3.3  Distance ===
	183	+0x0c: EU433
296	296
	185	+0x0d: KR920
297	297
298		-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.
	187	+0x0e: MA869
299	299
	189	+(% style="color:blue" %)**Sub-Band**:
300	300
301		-**Example**:
	191	+AU915 and US915:value 0x00 ~~ 0x08
302	302
303		-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.
	193	+CN470: value 0x0B ~~ 0x0C
304	304
	195	+Other Bands: Always 0x00
305	305
306		-=== 2.3.4  Distance signal strength ===
	197	+(% style="color:blue" %)**Battery Info**:
307	307
	199	+Check the battery voltage.
308	308
309		-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.
	201	+Ex1: 0x0B45 = 2885mV
310	310
	203	+Ex2: 0x0B49 = 2889mV
311	311
312		-**Example**:
313	313
314		-If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
	206	+=== 2.3.2 Uplink Payload, FPORT~=2 ===
315	315
316		-Customers can judge whether they need to adjust the environment based on the signal strength.
317	317
	209	+(((
	210	+DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
318	318
319		-=== 2.3.5  Interrupt Pin ===
	212	+periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
320	320
	214	+Uplink Payload totals 11 bytes.
	215	+)))
321	321
322		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
	217	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	218	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	219	+**Size(bytes)**
	220	+)))|=(% 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**
	221	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:62.5px" %)(((
	222	+[[Temperature DS18B20>>||anchor="HDS18B20Temperaturesensor"]]
	223	+)))|[[Distance>>||anchor="HDistance"]]|[[Distance signal strength>>||anchor="HDistancesignalstrength"]]|(% style="width:122px" %)(((
	224	+[[Interrupt flag & Interrupt_level>>||anchor="HInterruptPin26A0InterruptLevel"]]
	225	+)))|(% style="width:54px" %)[[LiDAR temp>>||anchor="HLiDARtemp"]]|(% style="width:96px" %)(((
	226	+[[Message Type>>||anchor="HMessageType"]]
	227	+)))
323	323
324		-Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
	229	+==== **MOD~=1** ====
325	325
326		-**Example:**
	231	+Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts.
327	327
328		-0x00: Normal uplink packet.
	233	+Uplink Payload totals 10 bytes.
329	329
330		-0x01: Interrupt Uplink Packet.
	235	+(% border="1" cellspacing="4" style="width:510px;background-color:#f2f2f2" %)
	236	+|(% style="width:60px;background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="width:30px;background-color:#4F81BD;color:white" %)**2**|(% style="width:130px;background-color:#4F81BD;color:white" %)**1**|(% style="width:70px;background-color:#4F81BD;color:white" %)**2**|(% style="width:100px;background-color:#4F81BD;color:white" %)**1**|(% style="width:120px;background-color:#4F81BD;color:white" %)**4**
	237	+|(% style="width:91px" %)Value|(% style="width:41px" %)[[BAT>>||anchor="HBatteryInfo"]]|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
331	331
332	332
333		-=== 2.3.6  LiDAR temp ===
	240	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
334	334
	242	+==== **Battery Info** ====
335	335
336		-Characterize the internal temperature value of the sensor.
	244	+Check the battery voltage for DS20L
337	337
338		-**Example: **
339		-If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
340		-If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
	246	+Ex1: 0x0E10 = 3600mV
341	341
	248	+**MOD & Alarm & Interrupt**
342	342
343		-=== 2.3.7  Message Type ===
	250	+**MOD:**
344	344
	252	+**Example: ** (0x60>>6) & 0x3f =1
345	345
346		-(((
347		-For a normal uplink payload, the message type is always 0x01.
348		-)))
	254	+**0x01:**  Regularly detect distance and report.
	255	+**0x02: ** Uninterrupted measurement (external power supply).
349	349
350		-(((
351		-Valid Message Type:
352		-)))
	257	+**Alarm:**
353	353
354		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
355		-|=(% style="width: 161px;background-color:#D9E2F3;color:#0070C0" %)**Message Type Code**|=(% style="width: 164px;background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 174px;background-color:#D9E2F3;color:#0070C0" %)**Payload**
356		-|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
357		-|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
	259	+When the detection distance exceeds the limit, the alarm flag is set to 1.
358	358
	261	+**Interrupt:**
359	359
360		-=== 2.3.8  Decode payload in The Things Network ===
	263	+Whether it is an external interrupt.
361	361
	265	+==== Distance** info** ====
362	362
363		-While using TTN network, you can add the payload format to decode the payload.
	267	+**Example**:
364	364
	269	+If payload is: 0708H: distance = 0708H = 1800 mm
365	365
366		-[[image:1654592762713-715.png]]
	271	+==== **Sensor State** ====
367	367
	273	+Ex1: 0x00: Normal collection distance
368	368
369		-(((
370		-The payload decoder function for TTN is here:
371		-)))
	275	+Ex2 0x0x: Distance collection is wrong
372	372
373		-(((
374		-LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
375		-)))
	277	+==== **Interript Count** ====
376	376
	279	+If payload is:000007D0H: count = 07D0H =2000
377	377
378		-== 2.4  Uplink Interval ==
	281	+**MOD=2**
379	379
	283	+Uninterrupted measurement. When the distance exceeds the limit, the output IO is set high and reports are reported every five minutes. The time can be set and powered by an external power supply.Uplink Payload totals 11bytes.
380	380
381		-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"]]
	285	+|**Size(bytes)**|**2**|**1**|**4**|**2**|**2**
	286	+|Value|[[BAT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DS20L_LoRaWAN_Smart_Distance_Detector_User_Manual/#HBatteryInfo]]|MOD+ Alarm+Do+ Limit flag|Distance Limit  Alarm count|Upper limit|Lower limit
382	382
383	383
384		-== 2.5  ​Show Data in DataCake IoT Server ==
	289	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
385	385
	291	+**MOD & Alarm & Do & Limit** **flag**
386	386
387		-(((
388		-[[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:
389		-)))
	293	+**MOD:**
390	390
	295	+**Example: ** (0x60>>6) & 0x3f =1
391	391
392		-(((
393		-(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
394		-)))
	297	+**0x01:**  Regularly detect distance and report.
	298	+**0x02: ** Uninterrupted measurement (external power supply).
395	395
396		-(((
397		-(% 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:**
398		-)))
	300	+**Alarm:**
399	399
	302	+When the detection distance exceeds the limit, the alarm flag is set to 1.
400	400
401		-[[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"]]
	304	+**Do:**
402	402
	306	+When the distance exceeds the set threshold, pull the Do pin high.
403	403
404		-[[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"]]
	308	+**Limit** **flag:**
405	405
	310	+Mode for setting threshold: 0~~5
406	406
407		-(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
	312	+0: does not use upper and lower limits
408	408
409		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
	314	+1: Use upper and lower limits
410	410
411		-[[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"]]
	316	+2: is less than the lower limit value
412	412
	318	+3: is greater than the lower limit value
413	413
414		-After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
	320	+4: is less than the upper limit
415	415
416		-[[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"]]
	322	+5: is greater than the upper limit
417	417
	324	+**Upper limit:**
418	418
419		-== 2.6 Datalog Feature ==
	326	+The upper limit of the threshold cannot exceed 2000mm.
420	420
	328	+**Lower limit:**
421	421
422		-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.
	330	+The lower limit of the threshold cannot be less than 3mm.
423	423
424	424
425		-=== 2.6.1 Ways to get datalog via LoRaWAN ===
	333	+=== 2.3.3 Historical measuring distance, FPORT~=3 ===
426	426
427	427
428		-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.
	336	+DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
429	429
430		-* (((
431		-a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
432		-)))
433		-* (((
434		-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.
435		-)))
	338	+The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
436	436
437		-Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
	340	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	341	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	342	+**Size(bytes)**
	343	+)))|=(% 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
	344	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
	345	+Reserve(0xFF)
	346	+)))|Distance|Distance signal strength|(% style="width:88px" %)(((
	347	+LiDAR temp
	348	+)))|(% style="width:85px" %)Unix TimeStamp
438	438
439		-[[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"]]
	350	+**Interrupt flag & Interrupt level:**
440	440
	352	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
	353	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	354	+**Size(bit)**
	355	+)))|=(% 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**
	356	+|(% 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" %)(((
	357	+Interrupt flag
	358	+)))
441	441
442		-=== 2.6.2 Unix TimeStamp ===
	360	+* (((
	361	+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.
	362	+)))
443	443
	364	+For example, in the US915 band, the max payload for different DR is:
444	444
445		-LDS12-LB uses Unix TimeStamp format based on
	366	+**a) DR0:** max is 11 bytes so one entry of data
446	446
447		-[[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"]]
	368	+**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
448	448
449		-User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	370	+**c) DR2:** total payload includes 11 entries of data
450	450
451		-Below is the converter example
	372	+**d) DR3:** total payload includes 22 entries of data.
452	452
453		-[[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"]]
	374	+If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
454	454
455	455
456		-So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
	377	+**Downlink:**
457	457
	379	+0x31 64 CC 68 0C 64 CC 69 74 05
458	458
459		-=== 2.6.3 Set Device Time ===
	381	+[[image:image-20230805144936-2.png||height="113" width="746"]]
460	460
	383	+**Uplink:**
461	461
462		-User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
	385	+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
463	463
464		-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).
465	465
466		-(% 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.**
	388	+**Parsed Value:**
467	467
	390	+[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
468	468
469		-=== 2.6.4 Poll sensor value ===
470	470
	393	+[360,176,30,High,True,2023-08-04 02:53:00],
471	471
472		-Users can poll sensor values based on timestamps. Below is the downlink command.
	395	+[355,168,30,Low,False,2023-08-04 02:53:29],
473	473
474		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
475		-|(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
476		-|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
477		-|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
	397	+[245,211,30,Low,False,2023-08-04 02:54:29],
478	478
479		-(((
480		-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.
481		-)))
	399	+[57,700,30,Low,False,2023-08-04 02:55:29],
482	482
483		-(((
484		-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"]]
485		-)))
	401	+[361,164,30,Low,True,2023-08-04 02:56:00],
486	486
487		-(((
488		-Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
489		-)))
	403	+[337,184,30,Low,False,2023-08-04 02:56:40],
490	490
491		-(((
492		-Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
493		-)))
	405	+[20,4458,30,Low,False,2023-08-04 02:57:40],
494	494
	407	+[362,173,30,Low,False,2023-08-04 02:58:53],
495	495
496		-== 2.7 Frequency Plans ==
497	497
	410	+**History read from serial port：**
498	498
499		-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.
	412	+[[image:image-20230805145056-3.png]]
500	500
501		-[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
502	502
	415	+=== 2.3.4 Decode payload in The Things Network ===
503	503
504		-== 2.8 LiDAR ToF Measurement ==
505	505
506		-=== 2.8.1 Principle of Distance Measurement ===
	418	+While using TTN network, you can add the payload format to decode the payload.
507	507
	420	+[[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"]]
508	508
509		-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.
510	510
	423	+(((
	424	+The payload decoder function for TTN is here:
	425	+)))
511	511
512		-[[image:1654831757579-263.png]]
	427	+(((
	428	+DS20L TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	429	+)))
513	513
514	514
515		-=== 2.8.2 Distance Measurement Characteristics ===
	432	+== 2.4 ​Show Data in DataCake IoT Server ==
516	516
517	517
518		-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:
519		-
520		-[[image:1654831774373-275.png]]
521		-
522		-
523	523	(((
524		-(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
	436	+[[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:
525	525	)))
526	526
527		-(((
528		-(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
529		-)))
530	530
531	531	(((
532		-(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
	441	+(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
533	533	)))
534	534
535		-
536	536	(((
537		-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:
	445	+(% 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:**
538	538	)))
539	539
540	540
541		-[[image:1654831797521-720.png]]
	449	+[[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"]]
542	542
543	543
544		-(((
545		-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.
546		-)))
	452	+[[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"]]
547	547
548		-[[image:1654831810009-716.png]]
549	549
	455	+(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
550	550
551		-(((
552		-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.
553		-)))
	457	+(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
554	554
	459	+[[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"]]
555	555
556		-=== 2.8.3 Notice of usage: ===
557	557
	462	+After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
558	558
559		-Possible invalid /wrong reading for LiDAR ToF tech:
	464	+[[image:1701152946067-561.png]]
560	560
561		-* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
562		-* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
563		-* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
564		-* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
565	565
	467	+== 2.5 Frequency Plans ==
566	566
567		-=== 2.8.4  Reflectivity of different objects ===
568	568
	470	+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.
569	569
570		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
571		-|=(% style="width: 54px;background-color:#D9E2F3;color:#0070C0" %)Item|=(% style="width: 231px;background-color:#D9E2F3;color:#0070C0" %)Material|=(% style="width: 94px;background-color:#D9E2F3;color:#0070C0" %)Relectivity
572		-|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
573		-|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
574		-|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
575		-|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
576		-|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
577		-|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
578		-|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
579		-|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
580		-|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
581		-|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
582		-|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
583		-|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
584		-|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
585		-|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
586		-|(% style="width:53px" %)15|(% style="width:229px" %)(((
587		-Unpolished white metal surface
588		-)))|(% style="width:93px" %)130%
589		-|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
590		-|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
591		-|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
	472	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
592	592
593	593
594		-= 3. Configure LDS12-LB =
	475	+= 3. Configure DS20L =
595	595
596	596	== 3.1 Configure Methods ==
597	597
598	598
599		-LDS12-LB supports below configure method:
	480	+DS20L supports below configure method:
600	600
601	601	* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
602	602
...	...	@@ -618,10 +618,10 @@
618	618	[[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/]]
619	619
620	620
621		-== 3.3 Commands special design for LDS12-LB ==
	502	+== 3.3 Commands special design for DS20L ==
622	622
623	623
624		-These commands only valid for LDS12-LB, as below:
	505	+These commands only valid for DS20L, as below:
625	625
626	626
627	627	=== 3.3.1 Set Transmit Interval Time ===
...	...	@@ -636,7 +636,7 @@
636	636	)))
637	637
638	638	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
639		-|=(% 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**
	520	+|=(% 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**
640	640	|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
641	641	30000
642	642	OK
...	...	@@ -663,29 +663,30 @@
663	663	Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
664	664	)))
665	665	* (((
666		-Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
667		-
668		-
669		-
	547	+Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
670	670	)))
671	671
672	672	=== 3.3.2 Set Interrupt Mode ===
673	673
674	674
675		-Feature, Set Interrupt mode for PA8 of pin.
	553	+Feature, Set Interrupt mode for pin of GPIO_EXTI.
676	676
677		-When AT+INTMOD=0 is set, PA8 is used as a digital input port.
	555	+When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
678	678
679	679	(% style="color:blue" %)**AT Command: AT+INTMOD**
680	680
681	681	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
682		-|=(% 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**
	560	+|=(% 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**
683	683	|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
684	684	0
685	685	OK
686	686	the mode is 0 =Disable Interrupt
687	687	)))
688		-|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
	566	+|(% style="width:154px" %)(((
	567	+AT+INTMOD=3
	568	+
	569	+(default)
	570	+)))|(% style="width:196px" %)(((
689	689	Set Transmit Interval
690	690	0. (Disable Interrupt),
691	691	~1. (Trigger by rising and falling edge)
...	...	@@ -703,10 +703,78 @@
703	703
704	704	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
705	705
	588	+
	589	+== 3.3.3 Set work mode ==
	590	+
	591	+
	592	+Feature: Switch working mode
	593	+
	594	+(% style="color:blue" %)**AT Command: AT+MOD**
	595	+
	596	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
	597	+|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Response**
	598	+|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
	599	+|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
	600	+OK
	601	+Attention:Take effect after ATZ
	602	+)))
	603	+
	604	+(% style="color:blue" %)**Downlink Command:**
	605	+
	606	+* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
	607	+
	608	+* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
	609	+
	610	+=== 3.3.4 Set threshold and threshold mode ===
	611	+
	612	+
	613	+Feature, Set threshold and threshold mode
	614	+
	615	+When (% style="color:#037691" %)**AT+DOL=0,0,0,0,400**(%%) is set, No threshold is used, the sampling time is 400ms.
	616	+
	617	+(% style="color:blue" %)**AT Command: AT+DOL**
	618	+
	619	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	620	+|(% style="background-color:#4f81bd; color:white; width:162px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:240px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:108px" %)**Response**
	621	+|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
	622	+0,0,0,0,400
	623	+OK
	624	+)))
	625	+|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
	626	+
	627	+
	628	+
	629	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	630	+|(% rowspan="11" style="color:blue; width:120px" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:240px" %)The first bit sets the limit mode|(% style="width:150px" %)0: Do not use upper and lower limits
	631	+|(% style="width:251px" %)1: Use upper and lower limits
	632	+|(% style="width:251px" %)2: Less than the lower limit
	633	+|(% style="width:251px" %)3: Greater than the lower limit
	634	+|(% style="width:251px" %)4: Less than the upper limit
	635	+|(% style="width:251px" %)5: Greater than the upper limit
	636	+|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
	637	+|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
	638	+|(% 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
	639	+|(% style="width:251px" %)1 Person or object counting statistics
	640	+|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
	641	+0~~10000ms
	642	+
	643	+
	644	+)))
	645	+
	646	+(% style="color:blue" %)**Downlink Command: 0x07**
	647	+
	648	+Format: Command Code (0x07) followed by 9bytes.
	649	+
	650	+* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
	651	+
	652	+* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
	653	+
	654	+
	655	+
706	706	= 4. Battery & Power Consumption =
707	707
708	708
709		-LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
	659	+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.
710	710
711	711	[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
712	712
...	...	@@ -715,7 +715,7 @@
715	715
716	716
717	717	(% class="wikigeneratedid" %)
718		-User can change firmware LDS12-LB to:
	668	+User can change firmware DS20L to:
719	719
720	720	* Change Frequency band/ region.
721	721
...	...	@@ -723,7 +723,7 @@
723	723
724	724	* Fix bugs.
725	725
726		-Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
	676	+Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zqv1vt3komgp4tu/AAC33PnXIcWOVl_UXBEAeT_xa?dl=0]]**
727	727
728	728	Methods to Update Firmware:
729	729
...	...	@@ -733,10 +733,10 @@
733	733
734	734	= 6. FAQ =
735	735
736		-== 6.1 What is the frequency plan for LDS12-LB? ==
	686	+== 6.1 What is the frequency plan for DS20L? ==
737	737
738	738
739		-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"]]
	689	+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"]]
740	740
741	741
742	742	= 7. Trouble Shooting =
...	...	@@ -751,11 +751,11 @@
751	751
752	752
753	753	(((
754		-(% 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.)
	704	+(% 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.)
755	755	)))
756	756
757	757	(((
758		-Troubleshooting: Please avoid use of this product under such circumstance in practice.
	708	+(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
759	759	)))
760	760
761	761
...	...	@@ -764,7 +764,7 @@
764	764	)))
765	765
766	766	(((
767		-Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	717	+(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
768	768	)))
769	769
770	770
...	...	@@ -771,7 +771,7 @@
771	771	= 8. Order Info =
772	772
773	773
774		-Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
	724	+Part Number: (% style="color:blue" %)**DS20L-XXX**
775	775
776	776	(% style="color:red" %)**XXX**(%%): **The default frequency band**
777	777
...	...	@@ -796,7 +796,7 @@
796	796
797	797	(% style="color:#037691" %)**Package Includes**:
798	798
799		-* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
	749	+* DS20L LoRaWAN Smart Distance Detector x 1
800	800
801	801	(% style="color:#037691" %)**Dimension and weight**:
802	802

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