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

...	...	@@ -1,5 +1,5 @@
1	1	(% style="text-align:center" %)
2		-[[image:image-20230614153353-1.png]]
	2	+[[image:image-20231110085342-2.png||height="481" width="481"]]
3	3
4	4
5	5
...	...	@@ -7,6 +7,7 @@
7	7
8	8
9	9
	10	+
10	10	**Table of Contents：**
11	11
12	12	{{toc/}}
...	...	@@ -18,170 +18,66 @@
18	18
19	19	= 1. Introduction =
20	20
21		-== 1.1 What is LoRaWAN LiDAR ToF Distance Sensor ==
	22	+== 1.1 What is LoRaWAN Smart Distance Detector ==
22	22
23	23
24		-The Dragino LDS12-LB is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
	25	+The Dragino (% style="color:blue" %)**DS20L is a smart distance detector**(%%) base on long-range wireless LoRaWAN technology. It uses (% style="color:blue" %)**LiDAR sensor**(%%) to detect the distance between DS20L and object, then DS20L will send the distance data to the IoT Platform via LoRaWAN. DS20L can measure range between 3cm ~~ 200cm.
25	25
26		-The LDS12-LB can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
	27	+DS20L allows users to send data and reach extremely long ranges via LoRaWAN. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current
	28	+consumption. It targets professional wireless sensor network applications such smart cities, building automation, and so on.
27	27
28		-It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
	30	+DS20L has a (% style="color:blue" %)**built-in 2400mAh non-chargeable battery**(%%) for long-term use up to several years*. Users can also power DS20L with an external power source for (% style="color:blue" %)**continuous measuring and distance alarm / counting purposes.**
29	29
30		-The LoRa wireless technology used in LDS12-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
	32	+DS20L is fully compatible with (% style="color:blue" %)**LoRaWAN v1.0.3 Class A protocol**(%%), it can work with a standard LoRaWAN gateway.
31	31
32		-LDS12-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
33	33
34		-LDS12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	35	+[[image:image-20231110102635-5.png||height="402" width="807"]]
35	35
36		-Each LDS12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37	37
38		-[[image:image-20230615152941-1.png||height="459" width="800"]]
39		-
40		-
41	41	== 1.2 ​Features ==
42	42
43	43
44		-* LoRaWAN 1.0.3 Class A
45		-* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
46		-* Ultra-low power consumption
47		-* Laser technology for distance detection
48		-* Measure Distance: 0.1m~~12m @ 90% Reflectivity
49		-* Accuracy :  ±5cm@(0.1-6m), ±1%@(6m-12m)
50		-* Monitor Battery Level
51		-* Support Bluetooth v5.1 and LoRaWAN remote configure
52		-* Support wireless OTA update firmware
	41	+* LoRaWAN Class A protocol
	42	+* LiDAR distance detector, range 3 ~~ 200cm
	43	+* Periodically detect or continuously detect mode
53	53	* AT Commands to change parameters
54		-* Downlink to change configure
55		-* 8500mAh Battery for long term use
	45	+* Remotely configure parameters via LoRaWAN Downlink
	46	+* Alarm & Counting mode
	47	+* Firmware upgradable via program port or LoRa protocol
	48	+* Built-in 2400mAh battery or power by external power source
56	56
57	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		-== 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:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 225px;background-color:#4F81BD;color:white" %)**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		-== 1.9 Mechanical ==
162		-
163		-
164		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
165		-
166		-
167		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
168		-
169		-
170		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
171		-
172		-
173		-(% style="color:blue" %)**Probe Mechanical:**
174		-
175		-
176		-[[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"]]
177		-
178		-
179		-= 2. Configure LDS12-LB to connect to LoRaWAN network =
180		-
181	181	== 2.1 How it works ==
182	182
183	183
184		-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.
185	185
186	186	(% style="display:none" %) (%%)
187	187
...	...	@@ -190,15 +190,14 @@
190	190
191	191	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.
192	192
193		-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" %)
194	194
195		-[[image:image-20230615153004-2.png||height="459" width="800"]](% style="display:none" %)
	92	+[[image:image-20231110102635-5.png||height="402" width="807"]](% style="display:none" %)
196	196
	94	+(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS20L.
197	197
198		-(% 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:
199	199
200		-Each LDS12-LB is shipped with a sticker with the default device EUI as below:
201		-
202	202	[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
203	203
204	204
...	...	@@ -226,10 +226,11 @@
226	226	[[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"]]
227	227
228	228
229		-(% style="color:blue" %)**Step 2:**(%%) Activate on LDS12-LB
	125	+(% style="color:blue" %)**Step 2:**(%%) Activate on DS20L
230	230
	127	+[[image:image-20231128133704-1.png||height="189" width="441"]]
231	231
232		-Press the button for 5 seconds to activate the LDS12-LB.
	129	+Press the button for 5 seconds to activate the DS20L.
233	233
234	234	(% 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.
235	235
...	...	@@ -241,7 +241,7 @@
241	241	=== 2.3.1 Device Status, FPORT~=5 ===
242	242
243	243
244		-Users can use the downlink command(**0x26 01**) to ask LDS12-LB to send device configure detail, include device configure status. LDS12-LB will uplink a payload via FPort=5 to server.
	141	+Users can use the downlink command(**0x26 01**) to ask DS20L to send device configure detail, include device configure status. DS20L will uplink a payload via FPort=5 to server.
245	245
246	246	The Payload format is as below.
247	247
...	...	@@ -253,12 +253,14 @@
253	253
254	254	Example parse in TTNv3
255	255
256		-**Sensor Model**: For LDS12-LB, this value is 0x24
	153	+[[image:1701149922873-259.png]]
257	257
258		-**Firmware Version**: 0x0100, Means: v1.0.0 version
	155	+(% style="color:blue" %)**Sensor Model**(%%): For DS20L, this value is 0x21
259	259
260		-**Frequency Band**:
	157	+(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
261	261
	159	+(% style="color:blue" %)**Frequency Band**:
	160	+
262	262	0x01: EU868
263	263
264	264	0x02: US915
...	...	@@ -287,7 +287,7 @@
287	287
288	288	0x0e: MA869
289	289
290		-**Sub-Band**:
	189	+(% style="color:blue" %)**Sub-Band**:
291	291
292	292	AU915 and US915:value 0x00 ~~ 0x08
293	293
...	...	@@ -295,7 +295,7 @@
295	295
296	296	Other Bands: Always 0x00
297	297
298		-**Battery Info**:
	197	+(% style="color:blue" %)**Battery Info**:
299	299
300	300	Check the battery voltage.
301	301
...	...	@@ -308,11 +308,11 @@
308	308
309	309
310	310	(((
311		-LDS12-LB will uplink payload via LoRaWAN with below payload format:
312		-)))
	210	+DS20L will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS20L will:
313	313
314		-(((
315		-Uplink payload includes in total 11 bytes.
	212	+periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
	213	+
	214	+Uplink Payload totals 11 bytes.
316	316	)))
317	317
318	318	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
...	...	@@ -327,13 +327,13 @@
327	327	[[Message Type>>||anchor="HMessageType"]]
328	328	)))
329	329
330		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]]
	229	+[[image:image-20230805104104-2.png||height="136" width="754"]]
331	331
332	332
333	333	==== (% style="color:blue" %)**Battery Info**(%%) ====
334	334
335	335
336		-Check the battery voltage for LDS12-LB.
	235	+Check the battery voltage for DS20L.
337	337
338	338	Ex1: 0x0B45 = 2885mV
339	339
...	...	@@ -377,18 +377,33 @@
377	377	Customers can judge whether they need to adjust the environment based on the signal strength.
378	378
379	379
	279	+**1) When the sensor detects valid data:**
	280	+
	281	+[[image:image-20230805155335-1.png||height="145" width="724"]]
	282	+
	283	+
	284	+**2) When the sensor detects invalid data:**
	285	+
	286	+[[image:image-20230805155428-2.png||height="139" width="726"]]
	287	+
	288	+
	289	+**3) When the sensor is not connected:**
	290	+
	291	+[[image:image-20230805155515-3.png||height="143" width="725"]]
	292	+
	293	+
380	380	==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
381	381
382	382
383	383	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.
384	384
385		-Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
	299	+Note: The Internet Pin is a separate pin in the screw terminal. See pin mapping of GPIO_EXTI .
386	386
387	387	**Example:**
388	388
389		-0x00: Normal uplink packet.
	303	+If byte[0]&0x01=0x00 : Normal uplink packet.
390	390
391		-0x01: Interrupt Uplink Packet.
	305	+If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
392	392
393	393
394	394	==== (% style="color:blue" %)**LiDAR temp**(%%) ====
...	...	@@ -414,243 +414,160 @@
414	414
415	415	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
416	416	|=(% 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**
417		-|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
418		-|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
	331	+|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
	332	+|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
419	419
	334	+[[image:image-20230805150315-4.png||height="233" width="723"]]
420	420
421		-=== 2.3.3 Decode payload in The Things Network ===
422	422
	337	+=== 2.3.3 Historical measuring distance, FPORT~=3 ===
423	423
424		-While using TTN network, you can add the payload format to decode the payload.
425	425
426		-[[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"]]
	340	+DS20L stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
427	427
	342	+The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
428	428
429		-(((
430		-The payload decoder function for TTN is here:
431		-)))
	344	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	345	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	346	+**Size(bytes)**
	347	+)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
	348	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
	349	+Reserve(0xFF)
	350	+)))|Distance|Distance signal strength|(% style="width:88px" %)(((
	351	+LiDAR temp
	352	+)))|(% style="width:85px" %)Unix TimeStamp
432	432
433		-(((
434		-LDS12-LB TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
435		-)))
	354	+**Interrupt flag & Interrupt level:**
436	436
437		-
438		-== 2.4 Uplink Interval ==
439		-
440		-
441		-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"]]
442		-
443		-
444		-== 2.5 ​Show Data in DataCake IoT Server ==
445		-
446		-
447		-(((
448		-[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
	356	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
	357	+|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
	358	+**Size(bit)**
	359	+)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
	360	+|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
	361	+Interrupt flag
449	449	)))
450	450
451		-
452		-(((
453		-(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	364	+* (((
	365	+Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, DS20L will send max bytes according to the current DR and Frequency bands.
454	454	)))
455	455
456		-(((
457		-(% 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:**
458		-)))
	368	+For example, in the US915 band, the max payload for different DR is:
459	459
	370	+**a) DR0:** max is 11 bytes so one entry of data
460	460
461		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
	372	+**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
462	462
	374	+**c) DR2:** total payload includes 11 entries of data
463	463
464		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
	376	+**d) DR3:** total payload includes 22 entries of data.
465	465
	378	+If DS20L doesn't have any data in the polling time. It will uplink 11 bytes of 0
466	466
467		-(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
468	468
469		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDS12-LB and add DevEUI.**
	381	+**Downlink:**
470	470
471		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
	383	+0x31 64 CC 68 0C 64 CC 69 74 05
472	472
	385	+[[image:image-20230805144936-2.png||height="113" width="746"]]
473	473
474		-After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
	387	+**Uplink:**
475	475
476		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
	389	+43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
477	477
478	478
479		-== 2.6 Datalog Feature ==
	392	+**Parsed Value:**
480	480
	394	+[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
481	481
482		-Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes.
483	483
	397	+[360,176,30,High,True,2023-08-04 02:53:00],
484	484
485		-=== 2.6.1 Ways to get datalog via LoRaWAN ===
	399	+[355,168,30,Low,False,2023-08-04 02:53:29],
486	486
	401	+[245,211,30,Low,False,2023-08-04 02:54:29],
487	487
488		-Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
	403	+[57,700,30,Low,False,2023-08-04 02:55:29],
489	489
490		-* (((
491		-a) LDS12-LB will do an ACK check for data records sending to make sure every data arrive server.
492		-)))
493		-* (((
494		-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.
495		-)))
	405	+[361,164,30,Low,True,2023-08-04 02:56:00],
496	496
497		-Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
	407	+[337,184,30,Low,False,2023-08-04 02:56:40],
498	498
499		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
	409	+[20,4458,30,Low,False,2023-08-04 02:57:40],
500	500
	411	+[362,173,30,Low,False,2023-08-04 02:58:53],
501	501
502		-=== 2.6.2 Unix TimeStamp ===
503	503
	414	+**History read from serial port：**
504	504
505		-LDS12-LB uses Unix TimeStamp format based on
	416	+[[image:image-20230805145056-3.png]]
506	506
507		-[[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"]]
508	508
509		-User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	419	+=== 2.3.4 Decode payload in The Things Network ===
510	510
511		-Below is the converter example
512	512
513		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
	422	+While using TTN network, you can add the payload format to decode the payload.
514	514
	424	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
515	515
516		-So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
517	517
518		-
519		-=== 2.6.3 Set Device Time ===
520		-
521		-
522		-User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
523		-
524		-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).
525		-
526		-(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
527		-
528		-
529		-=== 2.6.4 Poll sensor value ===
530		-
531		-
532		-Users can poll sensor values based on timestamps. Below is the downlink command.
533		-
534		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:425.818px" %)
535		-|(% colspan="4" style="background-color:#4f81bd; color:white; width:423px" %)**Downlink Command to poll Open/Close status (0x31)**
536		-|(% style="width:58px" %)**1byte**|(% style="width:127px" %)**4bytes**|(% style="width:124px" %)**4bytes**|(% style="width:114px" %)**1byte**
537		-|(% style="width:58px" %)31|(% style="width:127px" %)Timestamp start|(% style="width:124px" %)Timestamp end|(% style="width:114px" %)Uplink Interval
538		-
539	539	(((
540		-Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval.
	428	+The payload decoder function for TTN is here:
541	541	)))
542	542
543	543	(((
544		-For example, downlink command [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]]
	432	+DS20L TTN Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
545	545	)))
546	546
547		-(((
548		-Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
549		-)))
550	550
551		-(((
552		-Uplink Internal =5s，means LDS12-LB will send one packet every 5s. range 5~~255s.
553		-)))
	436	+== 2.4 ​Show Data in DataCake IoT Server ==
554	554
555	555
556		-== 2.7 Frequency Plans ==
557		-
558		-
559		-The LDS12-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
560		-
561		-[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
562		-
563		-
564		-== 2.8 LiDAR ToF Measurement ==
565		-
566		-=== 2.8.1 Principle of Distance Measurement ===
567		-
568		-
569		-The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
570		-
571		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]]
572		-
573		-
574		-=== 2.8.2 Distance Measurement Characteristics ===
575		-
576		-
577		-With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
578		-
579		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831774373-275.png?rev=1.1||alt="1654831774373-275.png"]]
580		-
581		-
582	582	(((
583		-(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
	440	+[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
584	584	)))
585	585
	443	+
586	586	(((
587		-(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
	445	+(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
588	588	)))
589	589
590	590	(((
591		-(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
	449	+(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
592	592	)))
593	593
594	594
595		-(((
596		-Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
597		-)))
	453	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
598	598
599		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831797521-720.png?rev=1.1||alt="1654831797521-720.png"]]
600	600
601		-(((
602		-In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
603		-)))
	456	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
604	604
605		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831810009-716.png?rev=1.1||alt="1654831810009-716.png"]]
606	606
607		-(((
608		-If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
609		-)))
	459	+(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
610	610
	461	+(% style="color:blue" %)**Step 4**(%%)**: Search the DS20L and add DevEUI.**
611	611
612		-=== 2.8.3 Notice of usage ===
	463	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
613	613
614	614
615		-Possible invalid /wrong reading for LiDAR ToF tech:
	466	+After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
616	616
617		-* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
618		-* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might be wrong.
619		-* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
620		-* The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
	468	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
621	621
622		-=== 2.8.4  Reflectivity of different objects ===
623	623
	471	+== 2.5 Frequency Plans ==
624	624
625		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
626		-|=(% 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
627		-|(% style="width:53px" %)1|(% style="width:229px" %)Black foam rubber|(% style="width:93px" %)2.4%
628		-|(% style="width:53px" %)2|(% style="width:229px" %)Black fabric|(% style="width:93px" %)3%
629		-|(% style="width:53px" %)3|(% style="width:229px" %)Black rubber|(% style="width:93px" %)4%
630		-|(% style="width:53px" %)4|(% style="width:229px" %)Coal (different types of coal)|(% style="width:93px" %)4~~8%
631		-|(% style="width:53px" %)5|(% style="width:229px" %)Black car paint|(% style="width:93px" %)5%
632		-|(% style="width:53px" %)6|(% style="width:229px" %)Black Jam|(% style="width:93px" %)10%
633		-|(% style="width:53px" %)7|(% style="width:229px" %)Opaque black plastic|(% style="width:93px" %)14%
634		-|(% style="width:53px" %)8|(% style="width:229px" %)Clean rough board|(% style="width:93px" %)20%
635		-|(% style="width:53px" %)9|(% style="width:229px" %)Translucent plastic bottle|(% style="width:93px" %)62%
636		-|(% style="width:53px" %)10|(% style="width:229px" %)Carton cardboard|(% style="width:93px" %)68%
637		-|(% style="width:53px" %)11|(% style="width:229px" %)Clean pine|(% style="width:93px" %)70%
638		-|(% style="width:53px" %)12|(% style="width:229px" %)Opaque white plastic|(% style="width:93px" %)87%
639		-|(% style="width:53px" %)13|(% style="width:229px" %)White Jam|(% style="width:93px" %)90%
640		-|(% style="width:53px" %)14|(% style="width:229px" %)Kodak Standard Whiteboard|(% style="width:93px" %)100%
641		-|(% style="width:53px" %)15|(% style="width:229px" %)(((
642		-Unpolished white metal surface
643		-)))|(% style="width:93px" %)130%
644		-|(% style="width:53px" %)16|(% style="width:229px" %)Glossy light metal surface|(% style="width:93px" %)150%
645		-|(% style="width:53px" %)17|(% style="width:229px" %)stainless steel|(% style="width:93px" %)200%
646		-|(% style="width:53px" %)18|(% style="width:229px" %)Reflector plate, reflective tape|(% style="width:93px" %)>300%
647	647
648		-= 3. Configure LDS12-LB =
	474	+The DS20L uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
649	649
	476	+[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
	477	+
	478	+
	479	+= 3. Configure DS20L =
	480	+
650	650	== 3.1 Configure Methods ==
651	651
652	652
653		-LDS12-LB supports below configure method:
	484	+DS20L supports below configure method:
654	654
655	655	* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
656	656
...	...	@@ -672,10 +672,10 @@
672	672	[[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/]]
673	673
674	674
675		-== 3.3 Commands special design for LDS12-LB ==
	506	+== 3.3 Commands special design for DS20L ==
676	676
677	677
678		-These commands only valid for LDS12-LB, as below:
	509	+These commands only valid for DS20L, as below:
679	679
680	680
681	681	=== 3.3.1 Set Transmit Interval Time ===
...	...	@@ -717,18 +717,16 @@
717	717	Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
718	718	)))
719	719	* (((
720		-Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
721		-
722		-
723		-
	551	+Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
724	724	)))
725	725
	554	+
726	726	=== 3.3.2 Set Interrupt Mode ===
727	727
728	728
729		-Feature, Set Interrupt mode for PA8 of pin.
	558	+Feature, Set Interrupt mode for pin of GPIO_EXTI.
730	730
731		-When AT+INTMOD=0 is set, PA8 is used as a digital input port.
	560	+When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
732	732
733	733	(% style="color:blue" %)**AT Command: AT+INTMOD**
734	734
...	...	@@ -739,7 +739,11 @@
739	739	OK
740	740	the mode is 0 =Disable Interrupt
741	741	)))
742		-|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
	571	+|(% style="width:154px" %)(((
	572	+AT+INTMOD=3
	573	+
	574	+(default)
	575	+)))|(% style="width:196px" %)(((
743	743	Set Transmit Interval
744	744	0. (Disable Interrupt),
745	745	~1. (Trigger by rising and falling edge)
...	...	@@ -757,37 +757,82 @@
757	757
758	758	* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
759	759
760		-=== 3.3.3  Set Power Output Duration ===
761	761
762		-Control the output duration 3V3 . Before each sampling, device will
763	763
764		-~1. first enable the power output to external sensor,
	595	+== 3.3.3 Set work mode ==
765	765
766		-2. keep it on as per duration, read sensor value and construct uplink payload
767	767
768		-3. final, close the power output.
	598	+Feature: Switch working mode
769	769
770		-(% style="color:blue" %)**AT Command: AT+3V3T**
	600	+(% style="color:blue" %)**AT Command: AT+MOD**
771	771
772		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
773		-|=(% 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**
774		-|(% style="width:154px" %)AT+3V3T=?|(% style="width:196px" %)Show 3V3 open time.|(% style="width:157px" %)0 (default)
	602	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:463px" %)
	603	+|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 108px;background-color:#4F81BD;color:white" %)**Response**
	604	+|(% style="width:162px" %)AT+MOD=?|(% style="width:191px" %)Get the current working mode.|(% style="width:106px" %)OK
	605	+|(% style="width:162px" %)AT+MOD=1|(% style="width:191px" %)Set the working mode to Regular measurements.|(% style="width:106px" %)(((
775	775	OK
776		-|(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
777		-|(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
778	778
779		-(% style="color:blue" %)**Downlink Command: 0x07**(%%)
780		-Format: Command Code (0x07) followed by 3 bytes.
	608	+Attention:Take effect after ATZ
	609	+)))
781	781
782		-The first byte is 01,the second and third bytes are the time to turn on.
	611	+(% style="color:blue" %)**Downlink Command:**
783	783
784		-* Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
785		-* Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
	613	+* **Example: **0x0A00  ~/~/  Same as AT+MOD=0
786	786
	615	+* **Example:** 0x0A01  ~/~/  Same as AT+MOD=1
	616	+
	617	+
	618	+=== 3.3.4 Set threshold and threshold mode ===
	619	+
	620	+
	621	+Feature, Set threshold and threshold mode
	622	+
	623	+When **AT+DOL=0,0,0,0,400** is set, No threshold is used, the sampling time is 400ms.
	624	+
	625	+(% style="color:blue" %)**AT Command: AT+DOL**
	626	+
	627	+(% border="1" cellspacing="4" style="width:571.818px" %)
	628	+|(% style="width:172px;background-color:#4F81BD;color:white" %)**Command Example**|(% style="width:279px;background-color:#4F81BD;color:white" %)**Function**|(% style="width:118px;background-color:#4F81BD;color:white" %)**Response**
	629	+|(% style="width:172px" %)AT+ DOL =?|(% style="width:279px" %)Get the current threshold mode and sampling time|(% style="width:118px" %)(((
	630	+0,0,0,0,400
	631	+
	632	+OK
	633	+)))
	634	+|(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
	635	+
	636	+
	637	+(% border="1" cellspacing="4" style="width:668.818px" %)
	638	+|(% rowspan="11" style="width:166px;background-color:#4F81BD;color:white" %)**AT+DOL=5,1800,0,0,400**|(% rowspan="6" style="width:226px" %)The first bit sets the limit mode|(% style="width:251px" %)0:Do not use upper and lower limits
	639	+|(% style="width:251px" %)1:Use upper and lower limits
	640	+|(% style="width:251px" %)2:Less than the lower limit
	641	+|(% style="width:251px" %)3:Greater than the lower limit
	642	+|(% style="width:251px" %)4:Less than the upper limit
	643	+|(% style="width:251px" %)5: Greater than the upper limit
	644	+|(% style="width:226px" %)The second bit sets the upper limit value|(% style="width:251px" %)3~~2000MM
	645	+|(% style="width:226px" %)The third bit sets the lower limit value|(% style="width:251px" %)3~~2000MM
	646	+|(% rowspan="2" style="width:226px" %)The fourth bit sets the over-limit alarm or person or object count.|(% style="width:251px" %)0 Over-limit alarm, DO output is high
	647	+|(% style="width:251px" %)1 Person or object counting statistics
	648	+|(% style="width:226px" %)The fifth bit sets the sampling time|(% style="width:251px" %)(((
	649	+0~~10000ms
	650	+
	651	+
	652	+)))
	653	+
	654	+(% style="color:blue" %)**Downlink Command: 0x07**
	655	+
	656	+Format: Command Code (0x07) followed by 9bytes.
	657	+
	658	+* Example 0: Downlink Payload: 070000000000000190  **~-~-->**  AT+MOD=0,0,0,0,400
	659	+
	660	+* Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
	661	+
	662	+
	663	+
	664	+
787	787	= 4. Battery & Power Consumption =
788	788
789	789
790		-LDS12-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
	668	+DS20L use built-in 2400mAh non-chargeable battery for long-term use up to several years*. See below link for detail information about the battery info and how to replace.
791	791
792	792	[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
793	793
...	...	@@ -796,7 +796,7 @@
796	796
797	797
798	798	(% class="wikigeneratedid" %)
799		-User can change firmware LDS12-LB to:
	677	+User can change firmware DS20L to:
800	800
801	801	* Change Frequency band/ region.
802	802
...	...	@@ -804,7 +804,7 @@
804	804
805	805	* Fix bugs.
806	806
807		-Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/w1p7ukjrx49e62r/AAB3uCNCt-koYUvMkZUPBRSca?dl=0]]**
	685	+Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/zqv1vt3komgp4tu/AAC33PnXIcWOVl_UXBEAeT_xa?dl=0]]**
808	808
809	809	Methods to Update Firmware:
810	810
...	...	@@ -814,10 +814,10 @@
814	814
815	815	= 6. FAQ =
816	816
817		-== 6.1 What is the frequency plan for LDS12-LB? ==
	695	+== 6.1 What is the frequency plan for DS20L? ==
818	818
819	819
820		-LDS12-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
	698	+DS20L use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
821	821
822	822
823	823	= 7. Trouble Shooting =
...	...	@@ -852,7 +852,7 @@
852	852	= 8. Order Info =
853	853
854	854
855		-Part Number: (% style="color:blue" %)**LDS12-LB-XXX**
	733	+Part Number: (% style="color:blue" %)**DS20L-XXX**
856	856
857	857	(% style="color:red" %)**XXX**(%%): **The default frequency band**
858	858
...	...	@@ -877,7 +877,7 @@
877	877
878	878	(% style="color:#037691" %)**Package Includes**:
879	879
880		-* LDS12-LB LoRaWAN LiDAR ToF Distance Sensor x 1
	758	+* DS20L LoRaWAN Smart Distance Detector x 1
881	881
882	882	(% style="color:#037691" %)**Dimension and weight**:
883	883

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