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

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1		-DS20L -- LoRaWAN Smart Distance Detector User Manual
	1	+LDS12-LB -- LoRaWAN LiDAR ToF Distance Sensor User Manual

Content

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1	1	(% style="text-align:center" %)
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7	7
8	8
9	9
10		-
11	11	**Table of Contents：**
12	12
13	13	{{toc/}}
...	...	@@ -19,66 +19,172 @@
19	19
20	20	= 1. Introduction =
21	21
22		-== 1.1 What is LoRaWAN Smart Distance Detector ==
	21	+== 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
23	23
24	24
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.
	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.
26	26
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.
	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.
29	29
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.**
	28	+It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
31	31
32		-DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
	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.
33	33
	32	+LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
34	34
35		-[[image:image-20231110102635-5.png||height="402" width="807"]]
	34	+LDS12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
36	36
	36	+Each LDS12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37	37
	38	+[[image:image-20230614162334-2.png||height="468" width="800"]]
	39	+
	40	+
38	38	== 1.2 ​Features ==
39	39
40	40
41		-* LoRaWAN Class A protocol
42		-* LiDAR distance detector, range 3 ~~ 200cm
43		-* Periodically detect or continuously detect mode
	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
44	44	* AT Commands to change parameters
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
	54	+* Downlink to change configure
	55	+* 8500mAh Battery for long term use
49	49
50	50	== 1.3 Specification ==
51	51
52	52
53		-(% style="color:#037691" %)**LiDAR Sensor:**
	60	+(% style="color:#037691" %)**Common DC Characteristics:**
54	54
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
	62	+* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
	63	+* Operating Temperature: -40 ~~ 85°C
62	62
63		-== 1.4 Power Consumption ==
	65	+(% style="color:#037691" %)**Probe Specification:**
64	64
	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
65	65
66		-(% style="color:#037691" %)**Battery Power Mode:**
	82	+(% style="color:#037691" %)**LoRa Spec:**
67	67
68		-* Idle: 0.003 mA @ 3.3v
69		-* Max : 360 mA
	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
70	70
71		-(% style="color:#037691" %)**Continuously mode**:
	89	+(% style="color:#037691" %)**Battery:**
72	72
73		-* Idle: 21 mA @ 3.3v
74		-* Max : 360 mA
	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
75	75
76		-= 2. Configure DS20L to connect to LoRaWAN network =
	97	+(% style="color:#037691" %)**Power Consumption**
77	77
	99	+* Sleep Mode: 5uA @ 3.3v
	100	+* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
	101	+
	102	+== 1.4 Applications ==
	103	+
	104	+
	105	+* Horizontal distance measurement
	106	+* Parking management system
	107	+* Object proximity and presence detection
	108	+* Intelligent trash can management system
	109	+* Robot obstacle avoidance
	110	+* Automatic control
	111	+* Sewer
	112	+
	113	+(% style="display:none" %)
	114	+
	115	+== 1.5 Sleep mode and working mode ==
	116	+
	117	+
	118	+(% 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.
	119	+
	120	+(% 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.
	121	+
	122	+
	123	+== 1.6 Button & LEDs ==
	124	+
	125	+
	126	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
	127	+
	128	+
	129	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	130	+|=(% 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**
	131	+|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
	132	+If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
	133	+Meanwhile, BLE module will be active and user can connect via BLE to configure device.
	134	+)))
	135	+|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
	136	+(% 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.
	137	+(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
	138	+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.
	139	+)))
	140	+|(% 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.
	141	+
	142	+== 1.7 BLE connection ==
	143	+
	144	+
	145	+LDS12-LB support BLE remote configure.
	146	+
	147	+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:
	148	+
	149	+* Press button to send an uplink
	150	+* Press button to active device.
	151	+* Device Power on or reset.
	152	+
	153	+If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
	154	+
	155	+
	156	+== 1.8 Pin Definitions ==
	157	+
	158	+[[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"]]
	159	+
	160	+
	161	+
	162	+== 1.9 Mechanical ==
	163	+
	164	+
	165	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
	166	+
	167	+
	168	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
	169	+
	170	+
	171	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
	172	+
	173	+
	174	+(% style="color:blue" %)**Probe Mechanical:**
	175	+
	176	+
	177	+
	178	+[[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"]]
	179	+
	180	+
	181	+= 2. Configure LDS12-LB to connect to LoRaWAN network =
	182	+
78	78	== 2.1 How it works ==
79	79
80	80
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.
	186	+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.
82	82
83	83	(% style="display:none" %) (%%)
84	84
...	...	@@ -87,14 +87,15 @@
87	87
88	88	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.
89	89
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" %)
	195	+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.
91	91
92		-[[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
	197	+[[image:image-20230614162359-3.png||height="468" width="800"]](% style="display:none" %)
93	93
94		-(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
95	95
96		-Each DS20L is shipped with a sticker with the default device EUI as below:
	200	+(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from LDS12-LB.
97	97
	202	+Each LDS12-LB is shipped with a sticker with the default device EUI as below:
	203	+
98	98	[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
99	99
100	100
...	...	@@ -122,11 +122,10 @@
122	122	[[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"]]
123	123
124	124
125		-(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
	231	+(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
126	126
127		-[[image:image-20231128133704-1.png||height="189" width="441"]]
128	128
129		-Press the button for 5 seconds to activate the DS20L.
	234	+Press the button for 5 seconds to activate the LDS12-LB.
130	130
131	131	(% 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.
132	132
...	...	@@ -135,336 +135,359 @@
135	135
136	136	== 2.3 ​Uplink Payload ==
137	137
138		-=== 2.3.1 Device Status, FPORT~=5 ===
139	139
	244	+(((
	245	+LDS12-LB will uplink payload via LoRaWAN with below payload format:
	246	+)))
140	140
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.
	248	+(((
	249	+Uplink payload includes in total 11 bytes.
	250	+)))
142	142
143		-The Payload format is as below.
144		-
145	145	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
146		-|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	253	+|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)(((
147	147	**Size(bytes)**
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
	255	+)))|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 62.5px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**
	256	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
	257	+[[Temperature DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
	258	+)))|[[Distance>>||anchor="H2.3.3Distance"]]|[[Distance signal strength>>||anchor="H2.3.4Distancesignalstrength"]]|(((
	259	+[[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
	260	+)))|[[LiDAR temp>>||anchor="H2.3.6LiDARtemp"]]|(((
	261	+[[Message Type>>||anchor="H2.3.7MessageType"]]
	262	+)))
150	150
151		-Example parse in TTNv3
	264	+[[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"]]
152	152
153		-[[image:1701149922873-259.png]]
154	154
155		-(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
	267	+=== 2.3.1 Battery Info ===
156	156
157		-(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
158	158
159		-(% style="color:blue" %)**Frequency Band**:
	270	+Check the battery voltage for LDS12-LB.
160	160
161		-0x01: EU868
	272	+Ex1: 0x0B45 = 2885mV
162	162
163		-0x02: US915
	274	+Ex2: 0x0B49 = 2889mV
164	164
165		-0x03: IN865
166	166
167		-0x04: AU915
	277	+=== 2.3.2 DS18B20 Temperature sensor ===
168	168
169		-0x05: KZ865
170	170
171		-0x06: RU864
	280	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
172	172
173		-0x07: AS923
174	174
175		-0x08: AS923-1
	283	+**Example**:
176	176
177		-0x09: AS923-2
	285	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
178	178
179		-0x0a: AS923-3
	287	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
180	180
181		-0x0b: CN470
182	182
183		-0x0c: EU433
	290	+=== 2.3.3 Distance ===
184	184
185		-0x0d: KR920
186	186
187		-0x0e: MA869
	293	+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.
188	188
189		-(% style="color:blue" %)**Sub-Band**:
190	190
191		-AU915 and US915:value 0x00 ~~ 0x08
	296	+**Example**:
192	192
193		-CN470: value 0x0B ~~ 0x0C
	298	+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.
194	194
195		-Other Bands: Always 0x00
196	196
197		-(% style="color:blue" %)**Battery Info**:
	301	+=== 2.3.4 Distance signal strength ===
198	198
199		-Check the battery voltage.
200	200
201		-Ex1: 0x0B45 = 2885mV
	304	+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.
202	202
203		-Ex2: 0x0B49 = 2889mV
204	204
	307	+**Example**:
205	205
206		-=== 2.3.2 Uplink Payload, FPORT~=2 ===
	309	+If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
207	207
	311	+Customers can judge whether they need to adjust the environment based on the signal strength.
208	208
209		-==== (% style="color:red" %)**MOD~=1**(%%) ====
210	210
211		-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.
	314	+=== 2.3.5 Interrupt Pin ===
212	212
213		-Uplink Payload totals 10 bytes.
214	214
215		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
216		-|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:30px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:100px" %)**1**|(% style="background-color:#4f81bd; color:white; width:120px" %)**4**
217		-|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
	317	+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.
218	218
219		-[[image:1701155076393-719.png]]
	319	+Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
220	220
221		-(% style="color:blue" %)**Battery Info:**
	321	+**Example:**
222	222
223		-Check the battery voltage for DS20L
	323	+0x00: Normal uplink packet.
224	224
225		-Ex1: 0x0E10 = 3600mV
	325	+0x01: Interrupt Uplink Packet.
226	226
227	227
228		-(% style="color:blue" %)**MOD & Alarm & Interrupt:**
	328	+=== 2.3.6 LiDAR temp ===
229	229
230		-(% style="color:red" %)**MOD:**
231	231
232		-**Example: ** (0x60>>6) & 0x3f =1
	331	+Characterize the internal temperature value of the sensor.
233	233
234		-**0x01:**  Regularly detect distance and report.
235		-**0x02: ** Uninterrupted measurement (external power supply).
	333	+**Example: **
	334	+If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
	335	+If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
236	236
237		-(% style="color:red" %)**Alarm:**
238	238
239		-When the detection distance exceeds the limit, the alarm flag is set to 1.
	338	+=== 2.3.7 Message Type ===
240	240
241		-(% style="color:red" %)**Interrupt:**
242	242
243		-Whether it is an external interrupt.
	341	+(((
	342	+For a normal uplink payload, the message type is always 0x01.
	343	+)))
244	244
	345	+(((
	346	+Valid Message Type:
	347	+)))
245	245
246		-(% style="color:blue" %)**Distance info:**
	349	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
	350	+|=(% 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**
	351	+|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
	352	+|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
247	247
248		-**Example**:
249	249
250		-If payload is: 0708H: distance = 0708H = 1800 mm
	355	+=== 2.3.8 Decode payload in The Things Network ===
251	251
252	252
253		-(% style="color:blue" %)**Sensor State:**
	358	+While using TTN network, you can add the payload format to decode the payload.
254	254
255		-Ex1: 0x00: Normal collection distance
	360	+[[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"]]
256	256
257		-Ex2 0x0x: Distance collection is wrong
258	258
	363	+(((
	364	+The payload decoder function for TTN is here:
	365	+)))
259	259
260		-(% style="color:blue" %)**Interript Count:**
	367	+(((
	368	+LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	369	+)))
261	261
262		-If payload is:000007D0H: count = 07D0H =2000
263	263
	372	+== 2.4 Uplink Interval ==
264	264
265	265
266		-==== (% style="color:red" %)**MOD~=2**(%%)** ** ====
	375	+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"]]
267	267
268		-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.
269	269
270		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
271		-|(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
272		-|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance Limit Alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
	378	+== 2.5 ​Show Data in DataCake IoT Server ==
273	273
274		-[[image:1701155150328-206.png]]
275	275
276		-(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
	381	+(((
	382	+[[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:
	383	+)))
277	277
278		-(% style="color:red" %)**MOD:**
279	279
280		-**Example: ** (0x60>>6) & 0x3f =1
	386	+(((
	387	+(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	388	+)))
281	281
282		-**0x01:**  Regularly detect distance and report.
283		-**0x02: ** Uninterrupted measurement (external power supply).
	390	+(((
	391	+(% 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:**
	392	+)))
284	284
285		-(% style="color:red" %)**Alarm:**
286	286
287		-When the detection distance exceeds the limit, the alarm flag is set to 1.
	395	+[[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"]]
288	288
289		-(% style="color:red" %)**Do:**
290	290
291		-When the distance exceeds the set threshold, pull the Do pin high.
	398	+[[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"]]
292	292
293		-(% style="color:red" %)**Limit flag:**
294	294
295		-Mode for setting threshold: 0~~5
	401	+(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
296	296
297		-0: does not use upper and lower limits
	403	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
298	298
299		-1: Use upper and lower limits
	405	+[[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"]]
300	300
301		-2: is less than the lower limit value
302	302
303		-3: is greater than the lower limit value
	408	+After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
304	304
305		-4: is less than the upper limit
	410	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
306	306
307		-5: is greater than the upper limit
308	308
	413	+== 2.6 Datalog Feature ==
309	309
310		-(% style="color:blue" %)**Upper limit:**
311	311
312		-The upper limit of the threshold cannot exceed 2000mm.
	416	+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.
313	313
314	314
315		-(% style="color:blue" %)**Lower limit:**
	419	+=== 2.6.1 Ways to get datalog via LoRaWAN ===
316	316
317		-The lower limit of the threshold cannot be less than 3mm.
318	318
	422	+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.
319	319
320		-=== 2.3.3 Historical measuring distance, FPORT~=3 ===
	424	+* (((
	425	+a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
	426	+)))
	427	+* (((
	428	+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.
	429	+)))
321	321
	431	+Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
322	322
323		-DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
	433	+[[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"]]
324	324
325		-The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
326	326
327		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
328		-|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
329		-**Size(bytes)**
330		-)))|=(% 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
331		-|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
332		-Reserve(0xFF)
333		-)))|Distance|Distance signal strength|(% style="width:88px" %)(((
334		-LiDAR temp
335		-)))|(% style="width:85px" %)Unix TimeStamp
	436	+=== 2.6.2 Unix TimeStamp ===
336	336
337		-**Interrupt flag & Interrupt level:**
338	338
339		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
340		-|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
341		-**Size(bit)**
342		-)))|=(% 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**
343		-|(% 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" %)(((
344		-Interrupt flag
345		-)))
	439	+LDS12-LB uses Unix TimeStamp format based on
346	346
347		-* (((
348		-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.
349		-)))
	441	+[[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"]]
350	350
351		-For example, in the US915 band, the max payload for different DR is:
	443	+User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
352	352
353		-**a) DR0:** max is 11 bytes so one entry of data
	445	+Below is the converter example
354	354
355		-**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	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-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
356	356
357		-**c) DR2:** total payload includes 11 entries of data
358	358
359		-**d) DR3:** total payload includes 22 entries of data.
	450	+So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
360	360
361		-If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
362	362
	453	+=== 2.6.3 Set Device Time ===
363	363
364		-**Downlink:**
365	365
366		-0x31 64 CC 68 0C 64 CC 69 74 05
	456	+User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
367	367
368		-[[image:image-20230805144936-2.png||height="113" width="746"]]
	458	+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).
369	369
370		-**Uplink:**
	460	+(% 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.**
371	371
372		-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
373	373
	463	+=== 2.6.4 Poll sensor value ===
374	374
375		-**Parsed Value:**
376	376
377		-[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
	466	+Users can poll sensor values based on timestamps. Below is the downlink command.
378	378
	468	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
	469	+|(% colspan="4" style="background-color:#d9e2f3; color:#0070c0; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
	470	+|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
	471	+|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
379	379
380		-[360,176,30,High,True,2023-08-04 02:53:00],
	473	+(((
	474	+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.
	475	+)))
381	381
382		-[355,168,30,Low,False,2023-08-04 02:53:29],
	477	+(((
	478	+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"]]
	479	+)))
383	383
384		-[245,211,30,Low,False,2023-08-04 02:54:29],
	481	+(((
	482	+Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
	483	+)))
385	385
386		-[57,700,30,Low,False,2023-08-04 02:55:29],
	485	+(((
	486	+Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
	487	+)))
387	387
388		-[361,164,30,Low,True,2023-08-04 02:56:00],
389	389
390		-[337,184,30,Low,False,2023-08-04 02:56:40],
	490	+== 2.7 Frequency Plans ==
391	391
392		-[20,4458,30,Low,False,2023-08-04 02:57:40],
393	393
394		-[362,173,30,Low,False,2023-08-04 02:58:53],
	493	+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.
395	395
	495	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
396	396
397		-**History read from serial port：**
398	398
399		-[[image:image-20230805145056-3.png]]
	498	+== 2.8 LiDAR ToF Measurement ==
400	400
	500	+=== 2.8.1 Principle of Distance Measurement ===
401	401
402		-=== 2.3.4 Decode payload in The Things Network ===
403	403
	503	+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.
404	404
405		-While using TTN network, you can add the payload format to decode the payload.
	505	+[[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"]]
406	406
407		-[[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"]]
408	408
	508	+=== 2.8.2 Distance Measurement Characteristics ===
409	409
	510	+
	511	+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:
	512	+
	513	+[[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"]]
	514	+
	515	+
410	410	(((
411		-The payload decoder function for TTN is here:
	517	+(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
412	412	)))
413	413
414	414	(((
415		-DS20L TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	521	+(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
416	416	)))
417	417
	524	+(((
	525	+(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
	526	+)))
418	418
419		-== 2.4 ​Show Data in DataCake IoT Server ==
420	420
421		-
422	422	(((
423		-[[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:
	530	+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:
424	424	)))
425	425
426	426
	534	+[[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"]]
	535	+
	536	+
427	427	(((
428		-(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	538	+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.
429	429	)))
430	430
	541	+[[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"]]
	542	+
431	431	(((
432		-(% 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:**
	544	+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.
433	433	)))
434	434
435	435
436		-[[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"]]
	548	+=== 2.8.3 Notice of usage ===
437	437
438	438
439		-[[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"]]
	551	+Possible invalid /wrong reading for LiDAR ToF tech:
440	440
	553	+* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
	554	+* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
	555	+* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
	556	+* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
441	441
442		-(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
443	443
444		-(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
445	445
446		-[[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"]]
447	447
	561	+=== 2.8.4  Reflectivity of different objects ===
448	448
449		-After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
450	450
451		-[[image:1701152946067-561.png]]
	564	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
	565	+|=(% 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
	566	+|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
	567	+|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
	568	+|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
	569	+|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
	570	+|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
	571	+|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
	572	+|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
	573	+|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
	574	+|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
	575	+|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
	576	+|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
	577	+|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
	578	+|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
	579	+|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
	580	+|(% style="width:53px" %)15|(% style="width:229px" %)(((
	581	+Unpolished white metal surface
	582	+)))|(% style="width:93px" %)130%
	583	+|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
	584	+|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
	585	+|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
452	452
453	453
454		-== 2.5 Frequency Plans ==
455	455
456	456
457		-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.
	590	+= 3. Configure LDS12-LB =
458	458
459		-[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
460		-
461		-
462		-= 3. Configure DS20L =
463		-
464	464	== 3.1 Configure Methods ==
465	465
466	466
467		-DS20L supports below configure method:
	595	+LDS12-LB supports below configure method:
468	468
469	469	* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
470	470
...	...	@@ -472,6 +472,9 @@
472	472
473	473	* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
474	474
	603	+
	604	+
	605	+
475	475	== 3.2 General Commands ==
476	476
477	477
...	...	@@ -486,10 +486,10 @@
486	486	[[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/]]
487	487
488	488
489		-== 3.3 Commands special design for DS20L ==
	620	+== 3.3 Commands special design for LDS12-LB ==
490	490
491	491
492		-These commands only valid for DS20L, as below:
	623	+These commands only valid for LDS12-LB, as below:
493	493
494	494
495	495	=== 3.3.1 Set Transmit Interval Time ===
...	...	@@ -531,15 +531,15 @@
531	531	Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
532	532	)))
533	533	* (((
534		-Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
	665	+Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
535	535	)))
536	536
537	537	=== 3.3.2 Set Interrupt Mode ===
538	538
539	539
540		-Feature, Set Interrupt mode for pin of GPIO_EXTI.
	671	+Feature, Set Interrupt mode for PA8 of pin.
541	541
542		-When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
	673	+When AT+INTMOD=0 is set, PA8 is used as a digital input port.
543	543
544	544	(% style="color:blue" %)**AT Command: AT+INTMOD**
545	545
...	...	@@ -550,11 +550,7 @@
550	550	OK
551	551	the mode is 0 =Disable Interrupt
552	552	)))
553		-|(% style="width:154px" %)(((
554		-AT+INTMOD=3
555		-
556		-(default)
557		-)))|(% style="width:196px" %)(((
	684	+|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
558	558	Set Transmit Interval
559	559	0. (Disable Interrupt),
560	560	~1. (Trigger by rising and falling edge)
...	...	@@ -572,132 +572,121 @@
572	572
573	573	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
574	574
575		-== 3.3.3 Set work mode ==
576	576
577	577
578		-Feature: Switch working mode
579	579
580		-(% style="color:blue" %)**AT Command: AT+MOD**
581	581
582		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
583		-|=(% 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**
584		-|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
585		-|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
586		-OK
587		-Attention:Take effect after ATZ
588		-)))
	706	+=== 3.3.3 Get Firmware Version Info ===
589	589
590		-(% style="color:blue" %)**Downlink Command:**
591	591
592		-* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
	709	+Feature: use downlink to get firmware version.
593	593
594		-* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
	711	+(% style="color:blue" %)**Downlink Command: 0x26**
595	595
596		-=== 3.3.4 Set threshold and threshold mode ===
	713	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:492px" %)
	714	+|(% style="background-color:#4F81BD;color:white; width:191px" %)**Downlink Control Type**|(% style="background-color:#4F81BD;color:white; width:57px" %)**FPort**|(% style="background-color:#4F81BD;color:white; width:91px" %)**Type Code**|(% style="background-color:#4F81BD;color:white; width:153px" %)**Downlink payload size(bytes)**
	715	+|(% style="width:191px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:151px" %)2
597	597
	717	+* Reply to the confirmation package: 26 01
	718	+* Reply to non-confirmed packet: 26 00
598	598
599		-Feature, Set threshold and threshold mode
	720	+Device will send an uplink after got this downlink command. With below payload:
600	600
601		-When (% style="color:#037691" %)**AT+DOL=0,0,0,0,400**(%%) is set, No threshold is used, the sampling time is 400ms.
	722	+Configures info payload:
602	602
603		-(% style="color:blue" %)**AT Command: AT+DOL**
604		-
605		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
606		-|(% 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**
607		-|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
608		-0,0,0,0,400
609		-OK
	724	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
	725	+|=(% style="background-color:#4F81BD;color:white" %)(((
	726	+**Size(bytes)**
	727	+)))|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**1**|=(% style="background-color:#4F81BD;color:white" %)**5**|=(% style="background-color:#4F81BD;color:white" %)**1**
	728	+|**Value**|Software Type|(((
	729	+Frequency Band
	730	+)))|Sub-band|(((
	731	+Firmware Version
	732	+)))|Sensor Type|Reserve|(((
	733	+[[Message Type>>||anchor="H2.3.7MessageType"]]
	734	+Always 0x02
610	610	)))
611		-|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
612	612
	737	+(% style="color:#037691" %)**Software Type**(%%): Always 0x03 for LLDS12
613	613
614		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
615		-|(% 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
616		-|(% style="width:251px" %)1: Use upper and lower limits
617		-|(% style="width:251px" %)2: Less than the lower limit
618		-|(% style="width:251px" %)3: Greater than the lower limit
619		-|(% style="width:251px" %)4: Less than the upper limit
620		-|(% style="width:251px" %)5: Greater than the upper limit
621		-|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
622		-|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
623		-|(% 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
624		-|(% style="width:251px" %)1 Person or object counting statistics
625		-|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
626		-0~~10000ms
	739	+(% style="color:#037691" %)**Frequency Band**:
627	627
628		-
629		-)))
	741	+*0x01: EU868
630	630
631		-(% style="color:blue" %)**Downlink Command: 0x07**
	743	+*0x02: US915
632	632
633		-Format: Command Code (0x07) followed by 9bytes.
	745	+*0x03: IN865
634	634
635		-* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
	747	+*0x04: AU915
636	636
637		-* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
	749	+*0x05: KZ865
638	638
	751	+*0x06: RU864
639	639
640		-= 4. Battery & Power Consumption =
	753	+*0x07: AS923
641	641
	755	+*0x08: AS923-1
642	642
643		-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.
	757	+*0x09: AS923-2
644	644
645		-[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	759	+*0xa0: AS923-3
646	646
647	647
648		-= 5. OTA Firmware update =
	762	+(% style="color:#037691" %)**Sub-Band**(%%): value 0x00 ~~ 0x08
649	649
	764	+(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
650	650
651		-(% class="wikigeneratedid" %)
652		-User can change firmware DS20L to:
	766	+(% style="color:#037691" %)**Sensor Type**:
653	653
654		-* Change Frequency band/ region.
	768	+0x01: LSE01
655	655
656		-* Update with new features.
	770	+0x02: LDDS75
657	657
658		-* Fix bugs.
	772	+0x03: LDDS20
659	659
660		-Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zqv1vt3komgp4tu/AAC33PnXIcWOVl_UXBEAeT_xa?dl=0]]**
	774	+0x04: LLMS01
661	661
662		-Methods to Update Firmware:
	776	+0x05: LSPH01
663	663
664		-* (Recommanded way) OTA firmware update via wireless:  **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
	778	+0x06: LSNPK01
665	665
666		-* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
	780	+0x07: LLDS12
667	667
668		-= 6. FAQ =
669	669
670		-== 6.1 What is the frequency plan for DS20L? ==
	783	+= 4. Battery & Power Consumption =
671	671
672	672
673		-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"]]
	786	+LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
674	674
	788	+[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
675	675
676		-== 6.2 DS20L programming line ==
677	677
	791	+= 5. OTA Firmware update =
678	678
679		-缺图 后续补上
680	680
681		-feature:
	794	+(% class="wikigeneratedid" %)
	795	+User can change firmware LDS12-LB to:
682	682
683		-for AT commands
	797	+* Change Frequency band/ region.
684	684
685		-Update the firmware of DS20L
	799	+* Update with new features.
686	686
687		-Support interrupt mode
	801	+* Fix bugs.
688	688
	803	+Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
689	689
690		-== 6.3 LiDAR probe position ==
	805	+Methods to Update Firmware:
691	691
	807	+* (Recommanded way) OTA firmware update via wireless:  **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
692	692
693		-[[image:1701155390576-216.png||height="285" width="307"]]
	809	+* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
694	694
695		-The black oval hole in the picture is the LiDAR probe.
	811	+= 6. FAQ =
696	696
	813	+== 6.1 What is the frequency plan for LDS12-LB? ==
697	697
698		-== 6.4 Interface definition ==
699	699
700		-[[image:image-20231128151132-2.png||height="305" width="557"]]
	816	+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"]]
701	701
702	702
703	703	= 7. Trouble Shooting =
...	...	@@ -712,11 +712,11 @@
712	712
713	713
714	714	(((
715		-(% 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.)
	831	+(% 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.)
716	716	)))
717	717
718	718	(((
719		-(% style="color:red" %)**Troubleshooting**(%%): Please avoid use of this product under such circumstance in practice.
	835	+Troubleshooting: Please avoid use of this product under such circumstance in practice.
720	720	)))
721	721
722	722
...	...	@@ -725,7 +725,7 @@
725	725	)))
726	726
727	727	(((
728		-(% style="color:red" %)**Troubleshooting**(%%): please use dry dust-free cloth to gently remove the foreign matter.
	844	+Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
729	729	)))
730	730
731	731
...	...	@@ -732,7 +732,7 @@
732	732	= 8. Order Info =
733	733
734	734
735		-Part Number: (% style="color:blue" %)**DS20L-XXX**
	851	+Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
736	736
737	737	(% style="color:red" %)**XXX**(%%): **The default frequency band**
738	738
...	...	@@ -757,7 +757,7 @@
757	757
758	758	(% style="color:#037691" %)**Package Includes**:
759	759
760		-* DS20L LoRaWAN Smart Distance Detector x 1
	876	+* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
761	761
762	762	(% style="color:#037691" %)**Dimension and weight**:
763	763

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