Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual

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Details

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1		-LDDS20 - LoRaWAN Ultrasonic Liquid Level Sensor User Manual
	1	+LDDS75 - LoRaWAN Distance Detection Sensor User Manual

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1	1	(% style="text-align:center" %)
2		-[[image:1655254599445-662.png]]
	2	+[[image:1654846127817-788.png]]
3	3
	4	+**Contents:**
4	4
5	5
6	6
7		-**Table of Contents:**
8	8
9	9
10	10
11	11
12	12
13		-
14		-
15		-
16	16	= 1.  Introduction =
17	17
18		-== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
	15	+== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
19	19
20	20	(((
21	21
22	22
23	23	(((
24		-(((
25		-(((
26		-The Dragino LDDS20 is a (% style="color:#4472c4" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:#4472c4" %)**none-contact method **(%%)to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server
27		-)))
	21	+The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
28	28
29		-(((
30		-
	23	+
	24	+It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
	25	+
	26	+
	27	+The LoRa wireless technology used in LDDS75 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.
	28	+
	29	+
	30	+LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	31	+
	32	+
	33	+Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
	34	+
	35	+
	36	+(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
31	31	)))
	38	+)))
32	32
	40	+
	41	+[[image:1654847051249-359.png]]
	42	+
	43	+
	44	+
	45	+== ​1.2  Features ==
	46	+
	47	+* LoRaWAN 1.0.3 Class A
	48	+* Ultra low power consumption
	49	+* Distance Detection by Ultrasonic technology
	50	+* Flat object range 280mm - 7500mm
	51	+* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	52	+* Cable Length : 25cm
	53	+* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
	54	+* AT Commands to change parameters
	55	+* Uplink on periodically
	56	+* Downlink to change configure
	57	+* IP66 Waterproof Enclosure
	58	+* 4000mAh or 8500mAh Battery for long term use
	59	+
	60	+
	61	+
	62	+== 1.3  Specification ==
	63	+
	64	+=== 1.3.1  Rated environmental conditions ===
	65	+
	66	+[[image:image-20220610154839-1.png]]
	67	+
	68	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
	69	+
	70	+**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
	71	+
	72	+
	73	+
	74	+=== 1.3.2  Effective measurement range Reference beam pattern ===
	75	+
	76	+**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
	77	+
	78	+
	79	+
	80	+**(2)** The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.[[image:image-20220610155021-3.png||height="437" width="1192"]]
	81	+
	82	+(% style="display:none" %) (%%)
	83	+
	84	+
	85	+
	86	+== 1.5 ​ Applications ==
	87	+
	88	+* Horizontal distance measurement
	89	+* Liquid level measurement
	90	+* Parking management system
	91	+* Object proximity and presence detection
	92	+* Intelligent trash can management system
	93	+* Robot obstacle avoidance
	94	+* Automatic control
	95	+* Sewer
	96	+* Bottom water level monitoring
	97	+
	98	+
	99	+
	100	+== 1.6  Pin mapping and power on ==
	101	+
	102	+
	103	+[[image:1654847583902-256.png]]
	104	+
	105	+
	106	+
	107	+= 2.  Configure LDDS75 to connect to LoRaWAN network =
	108	+
	109	+== 2.1  How it works ==
	110	+
33	33	(((
34		-The LDDS20 sensor is installed directly below the container to detect the height of the liquid level. User doesn’t need to open a hole on the container to be tested. The (% style="color:#4472c4" %)**none-contact measurement makes the measurement safety, easier and possible for some strict situation**.
	112	+The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
35	35	)))
36	36
37	37	(((
38		-
	116	+In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
39	39	)))
40	40
	119	+
	120	+
	121	+== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
	122	+
41	41	(((
42		-LDDS20 uses ultrasonic sensing technology for distance measurement. LDDS20 is of high accuracy to measure various liquid such as: (% style="color:#4472c4" %)**toxic substances**(%%), (% style="color:#4472c4" %)**strong acids**(%%), (% style="color:#4472c4" %)**strong alkalis**(%%) and (% style="color:#4472c4" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
	124	+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 [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
43	43	)))
44	44
45	45	(((
46		-
	128	+[[image:1654848616367-242.png]]
47	47	)))
48	48
49	49	(((
50		-The LoRa wireless technology used in LDDS20 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.
	132	+The LG308 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.
51	51	)))
52	52
53	53	(((
54		-
	136	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
55	55	)))
56	56
57	57	(((
58		-LDDS20 is powered by (% style="color:#4472c4" %)**8500mA Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	140	+Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
59	59	)))
60	60
	143	+[[image:image-20220607170145-1.jpeg]]
	144	+
	145	+
	146	+For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	147	+
	148	+Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	149	+
	150	+**Add APP EUI in the application**
	151	+
	152	+[[image:image-20220610161353-4.png]]
	153	+
	154	+[[image:image-20220610161353-5.png]]
	155	+
	156	+[[image:image-20220610161353-6.png]]
	157	+
	158	+
	159	+[[image:image-20220610161353-7.png]]
	160	+
	161	+
	162	+You can also choose to create the device manually.
	163	+
	164	+ [[image:image-20220610161538-8.png]]
	165	+
	166	+
	167	+
	168	+**Add APP KEY and DEV EUI**
	169	+
	170	+[[image:image-20220610161538-9.png]]
	171	+
	172	+
	173	+
	174	+(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
	175	+
	176	+
	177	+Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
	178	+
	179	+[[image:image-20220610161724-10.png]]
	180	+
	181	+
61	61	(((
62		-
	183	+(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
63	63	)))
64	64
	186	+[[image:1654849068701-275.png]]
	187	+
	188	+
	189	+
	190	+== 2.3  ​Uplink Payload ==
	191	+
65	65	(((
66		-Each LDDS20 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
	193	+LDDS75 will uplink payload via LoRaWAN with below payload format:
	194	+
	195	+Uplink payload includes in total 4 bytes.
	196	+Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
67	67	)))
68	68
69	69	(((
70	70
71	71	)))
72		-)))
73	73
74		-(((
75		-(((
76		-(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
77		-)))
78		-)))
79		-)))
80		-)))
	203	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
	204	+|=(% style="width: 62.5px;" %)(((
	205	+**Size (bytes)**
	206	+)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
	207	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
	208	+[[Distance>>||anchor="H2.3.3A0Distance"]]
81	81
	210	+(unit: mm)
	211	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
	212	+[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
	213	+)))|[[Sensor Flag>>path:#Sensor_Flag]]
82	82
83		-[[image:1655255122126-327.png]]
	215	+[[image:1654850511545-399.png]]
84	84
85	85
86	86
87		-== ​1.2  Features ==
	219	+=== 2.3.1  Battery Info ===
88	88
89		-* LoRaWAN 1.0.3 Class A
90		-* Ultra low power consumption
91		-* Liquid Level Measurement by Ultrasonic technology
92		-* Measure through container, No need to contact Liquid.
93		-* Valid level range 20mm - 2000mm
94		-* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
95		-* Cable Length : 25cm
96		-* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
97		-* AT Commands to change parameters
98		-* Uplink on periodically
99		-* Downlink to change configure
100		-* IP66 Waterproof Enclosure
101		-* 8500mAh Battery for long term use
102	102
103		-== 1.3  Suitable Container & Liquid ==
	222	+Check the battery voltage for LDDS75.
104	104
105		-* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
106		-* Container shape is regular, and surface is smooth.
107		-* Container Thickness:
108		-** Pure metal material.  2~~8mm, best is 3~~5mm
109		-** Pure non metal material: <10 mm
110		-* Pure liquid without irregular deposition.
	224	+Ex1: 0x0B45 = 2885mV
111	111
112		-== 1.4  Mechanical ==
	226	+Ex2: 0x0B49 = 2889mV
113	113
114		-[[image:image-20220615090910-1.png]]
115	115
116	116
117		-[[image:image-20220615090910-2.png]]
	230	+=== 2.3.2  Distance ===
118	118
	232	+Get the distance. Flat object range 280mm - 7500mm.
119	119
	234	+For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
120	120
121		-== 1.5  Install LDDS20 ==
122	122
	237	+* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
	238	+* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
123	123
124		-(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
125	125
126		-LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
127	127
128		-[[image:image-20220615091045-3.png]]
129	129
	243	+=== 2.3.3  Interrupt Pin ===
130	130
	245	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
131	131
132		-(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
	247	+**Example:**
133	133
134		-For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
	249	+0x00: Normal uplink packet.
135	135
136		-[[image:image-20220615092010-11.png]]
	251	+0x01: Interrupt Uplink Packet.
137	137
138	138
139		-No polish needed if the container is shine metal surface without paint or non-metal container.
140	140
141		-[[image:image-20220615092044-12.png]]
	255	+=== 2.3.4  DS18B20 Temperature sensor ===
142	142
	257	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
143	143
	259	+**Example**:
144	144
145		-(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
	261	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
146	146
147		-Power on LDDS75, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
	263	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
148	148
	265	+(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
149	149
150		-It is necessary to put the coupling paste between the sensor and the container, otherwise LDDS20 won’t detect the liquid level.
151	151
152		-[[image:1655256160324-178.png]][[image:image-20220615092327-13.png]]
153	153
	269	+=== 2.3.5  Sensor Flag ===
154	154
155		-After paste the LDDS20 well, power on LDDS20. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
	271	+0x01: Detect Ultrasonic Sensor
156	156
	273	+0x00: No Ultrasonic Sensor
157	157
158		-(% style="color:red" %)**LED Status:**
159	159
160		-* Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
	276	+===
	277	+(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
161	161
162		-* (% style="color:blue" %)BLUE LED(% style="color:red" %) always ON(%%): Sensor is power on but doesn’t detect liquid. There is problem in installation point.
163		-* (% style="color:blue" %)BLUE LED(% style="color:red" %) slowly blinking(%%): Sensor detects Liquid Level, The installation point is good.
	279	+While using TTN network, you can add the payload format to decode the payload.
164	164
165		-LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
166	166
	282	+[[image:1654850829385-439.png]]
167	167
168		-(% style="color:red" %)**Note 2:**
	284	+The payload decoder function for TTN V3 is here:
169	169
170		-(% style="color:red" %)Ultrasonic coupling paste (%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
	286	+LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
171	171
172	172
173	173
174		-(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
	290	+== 2.4  Uplink Interval ==
175	175
176		-Prepare Eproxy AB glue.
	292	+The LDDS75 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
177	177
178		-Put Eproxy AB glue in the sensor and press it hard on the container installation point.
179	179
180		-Reset LDDS20 and see if the BLUE LED is slowly blinking.
181	181
182		-[[image:image-20220615091045-8.png||height="226" width="380"]] [[image:image-20220615091045-9.png||height="239" width="339"]]
	296	+== 2.5  ​Show Data in DataCake IoT Server ==
183	183
	298	+(((
	299	+[[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:
	300	+)))
184	184
185		-(% style="color:red" %)**Note 1:**
	302	+(((
	303	+
	304	+)))
186	186
187		-Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
	306	+(((
	307	+(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	308	+)))
188	188
	310	+(((
	311	+(% 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:**
	312	+)))
189	189
190		-(% style="color:red" %)**Note 2:**
191	191
192		-(% style="color:red" %)Eproxy AB glue(%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
	315	+[[image:1654592790040-760.png]]
193	193
194	194
	318	+[[image:1654592800389-571.png]]
195	195
196		-== 1.6 ​ Applications ==
197	197
198		-* Smart liquid control solution.
199		-* Smart liquefied gas solution.
	321	+(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
200	200
201		-== 1.7  Precautions ==
	323	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
202	202
203		-* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
204		-* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
205		-* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
	325	+[[image:1654851029373-510.png]]
206	206
207		-== 1.8  Pin mapping and power on ==
208	208
	328	+After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
209	209
210		-[[image:1655257026882-201.png]]
	330	+[[image:image-20220610165129-11.png||height="595" width="1088"]]
211	211
212	212
213	213
214		-= 2.  Configure LDDS20 to connect to LoRaWAN network =
	334	+== 2.6  Frequency Plans ==
215	215
	336	+(((
	337	+The LDDS75 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.
	338	+)))
216	216
217		-== 2.1  How it works ==
218	218
	341	+
	342	+=== 2.6.1  EU863-870 (EU868) ===
	343	+
219	219	(((
220		-The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS20. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
	345	+(% style="color:blue" %)**Uplink:**
221	221	)))
222	222
223	223	(((
224		-In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0UsingtheATCommands"]]to set the keys in the LDDS20.
	349	+868.1 - SF7BW125 to SF12BW125
225	225	)))
226	226
	352	+(((
	353	+868.3 - SF7BW125 to SF12BW125 and SF7BW250
	354	+)))
227	227
	356	+(((
	357	+868.5 - SF7BW125 to SF12BW125
	358	+)))
228	228
229		-== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
	360	+(((
	361	+867.1 - SF7BW125 to SF12BW125
	362	+)))
230	230
231	231	(((
232		-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 [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
	365	+867.3 - SF7BW125 to SF12BW125
233	233	)))
234	234
235	235	(((
236		-[[image:1655257698953-697.png]]
	369	+867.5 - SF7BW125 to SF12BW125
237	237	)))
238	238
239	239	(((
240		-The LG308 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.
	373	+867.7 - SF7BW125 to SF12BW125
241	241	)))
242	242
243	243	(((
244		-
	377	+867.9 - SF7BW125 to SF12BW125
	378	+)))
245	245
246		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
	380	+(((
	381	+868.8 - FSK
247	247	)))
248	248
249	249	(((
250		-Each LDDS20 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
	385	+
251	251	)))
252	252
253		-[[image:image-20220607170145-1.jpeg]]
	388	+(((
	389	+(% style="color:blue" %)**Downlink:**
	390	+)))
254	254
255		-
256	256	(((
257		-For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	393	+Uplink channels 1-9 (RX1)
258	258	)))
259	259
260	260	(((
261		-Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	397	+869.525 - SF9BW125 (RX2 downlink only)
262	262	)))
263	263
	400	+
	401	+
	402	+=== 2.6.2  US902-928(US915) ===
	403	+
264	264	(((
265		-
	405	+Used in USA, Canada and South America. Default use CHE=2
266	266
267		-**Add APP EUI in the application**
268		-)))
	407	+(% style="color:blue" %)**Uplink:**
269	269
270		-[[image:image-20220610161353-4.png]]
	409	+903.9 - SF7BW125 to SF10BW125
271	271
272		-[[image:image-20220610161353-5.png]]
	411	+904.1 - SF7BW125 to SF10BW125
273	273
274		-[[image:image-20220610161353-6.png]]
	413	+904.3 - SF7BW125 to SF10BW125
275	275
	415	+904.5 - SF7BW125 to SF10BW125
276	276
277		-[[image:image-20220610161353-7.png]]
	417	+904.7 - SF7BW125 to SF10BW125
278	278
	419	+904.9 - SF7BW125 to SF10BW125
279	279
	421	+905.1 - SF7BW125 to SF10BW125
280	280
281		-You can also choose to create the device manually.
	423	+905.3 - SF7BW125 to SF10BW125
282	282
283		- [[image:image-20220610161538-8.png]]
284	284
	426	+(% style="color:blue" %)**Downlink:**
285	285
	428	+923.3 - SF7BW500 to SF12BW500
286	286
287		-**Add APP KEY and DEV EUI**
	430	+923.9 - SF7BW500 to SF12BW500
288	288
289		-[[image:image-20220610161538-9.png]]
	432	+924.5 - SF7BW500 to SF12BW500
290	290
	434	+925.1 - SF7BW500 to SF12BW500
291	291
	436	+925.7 - SF7BW500 to SF12BW500
292	292
293		-(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
	438	+926.3 - SF7BW500 to SF12BW500
294	294
	440	+926.9 - SF7BW500 to SF12BW500
295	295
296		-Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
	442	+927.5 - SF7BW500 to SF12BW500
297	297
298		-[[image:image-20220615095102-14.png]]
	444	+923.3 - SF12BW500(RX2 downlink only)
299	299
300	300
	447	+
	448	+)))
301	301
	450	+=== 2.6.3  CN470-510 (CN470) ===
	451	+
302	302	(((
303		-(% style="color:blue" %)**Step 3**(%%)**:**  The LDDS20 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	453	+Used in China, Default use CHE=1
304	304	)))
305	305
306		-[[image:1654849068701-275.png]]
	456	+(((
	457	+(% style="color:blue" %)**Uplink:**
	458	+)))
307	307
	460	+(((
	461	+486.3 - SF7BW125 to SF12BW125
	462	+)))
308	308
	464	+(((
	465	+486.5 - SF7BW125 to SF12BW125
	466	+)))
309	309
310		-== 2.3  ​Uplink Payload ==
	468	+(((
	469	+486.7 - SF7BW125 to SF12BW125
	470	+)))
311	311
312	312	(((
	473	+486.9 - SF7BW125 to SF12BW125
	474	+)))
	475	+
313	313	(((
314		-LDDS20 will uplink payload via LoRaWAN with below payload format:
	477	+487.1 - SF7BW125 to SF12BW125
	478	+)))
315	315
316		-Uplink payload includes in total 8 bytes.
317		-Payload for firmware version v1.1.4. . Before v1.1.3, there is only 5 bytes: BAT and Distance(Please check manual v1.2.0 if you have 5 bytes payload).
	480	+(((
	481	+487.3 - SF7BW125 to SF12BW125
318	318	)))
	483	+
	484	+(((
	485	+487.5 - SF7BW125 to SF12BW125
319	319	)))
320	320
321	321	(((
	489	+487.7 - SF7BW125 to SF12BW125
	490	+)))
	491	+
	492	+(((
322	322
323	323	)))
324	324
325		-(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
326		-|=(% style="width: 62.5px;" %)(((
327		-**Size (bytes)**
328		-)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
329		-|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
330		-[[Distance>>||anchor="H2.3.2A0Distance"]]
	496	+(((
	497	+(% style="color:blue" %)**Downlink:**
	498	+)))
331	331
332		-(unit: mm)
333		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
334		-[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
335		-)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
	500	+(((
	501	+506.7 - SF7BW125 to SF12BW125
	502	+)))
336	336
337		-[[image:1654850511545-399.png]]
	504	+(((
	505	+506.9 - SF7BW125 to SF12BW125
	506	+)))
338	338
	508	+(((
	509	+507.1 - SF7BW125 to SF12BW125
	510	+)))
339	339
	512	+(((
	513	+507.3 - SF7BW125 to SF12BW125
	514	+)))
340	340
341		-=== 2.3.1  Battery Info ===
	516	+(((
	517	+507.5 - SF7BW125 to SF12BW125
	518	+)))
342	342
	520	+(((
	521	+507.7 - SF7BW125 to SF12BW125
	522	+)))
343	343
344		-Check the battery voltage for LDDS20.
	524	+(((
	525	+507.9 - SF7BW125 to SF12BW125
	526	+)))
345	345
346		-Ex1: 0x0B45 = 2885mV
	528	+(((
	529	+508.1 - SF7BW125 to SF12BW125
	530	+)))
347	347
348		-Ex2: 0x0B49 = 2889mV
	532	+(((
	533	+505.3 - SF12BW125 (RX2 downlink only)
	534	+)))
349	349
350	350
351	351
352		-=== 2.3.2  Distance ===
353	353
	539	+=== 2.6.4  AU915-928(AU915) ===
	540	+
354	354	(((
355		-Get the distance. Flat object range 20mm - 2000mm.
	542	+Default use CHE=2
	543	+
	544	+(% style="color:blue" %)**Uplink:**
	545	+
	546	+916.8 - SF7BW125 to SF12BW125
	547	+
	548	+917.0 - SF7BW125 to SF12BW125
	549	+
	550	+917.2 - SF7BW125 to SF12BW125
	551	+
	552	+917.4 - SF7BW125 to SF12BW125
	553	+
	554	+917.6 - SF7BW125 to SF12BW125
	555	+
	556	+917.8 - SF7BW125 to SF12BW125
	557	+
	558	+918.0 - SF7BW125 to SF12BW125
	559	+
	560	+918.2 - SF7BW125 to SF12BW125
	561	+
	562	+
	563	+(% style="color:blue" %)**Downlink:**
	564	+
	565	+923.3 - SF7BW500 to SF12BW500
	566	+
	567	+923.9 - SF7BW500 to SF12BW500
	568	+
	569	+924.5 - SF7BW500 to SF12BW500
	570	+
	571	+925.1 - SF7BW500 to SF12BW500
	572	+
	573	+925.7 - SF7BW500 to SF12BW500
	574	+
	575	+926.3 - SF7BW500 to SF12BW500
	576	+
	577	+926.9 - SF7BW500 to SF12BW500
	578	+
	579	+927.5 - SF7BW500 to SF12BW500
	580	+
	581	+923.3 - SF12BW500(RX2 downlink only)
	582	+
	583	+
	584	+
356	356	)))
357	357
	587	+=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
	588	+
358	358	(((
359		-For example, if the data you get from the register is __0x06 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0605(H) = 1541 (D) = 1541 mm.**
	590	+(% style="color:blue" %)**Default Uplink channel:**
360	360	)))
361	361
362		-* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363		-* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
	593	+(((
	594	+923.2 - SF7BW125 to SF10BW125
	595	+)))
364	364
	597	+(((
	598	+923.4 - SF7BW125 to SF10BW125
	599	+)))
365	365
	601	+(((
	602	+
	603	+)))
366	366
367		-=== 2.3.3  Interrupt Pin ===
	605	+(((
	606	+(% style="color:blue" %)**Additional Uplink Channel**:
	607	+)))
368	368
369		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
	609	+(((
	610	+(OTAA mode, channel added by JoinAccept message)
	611	+)))
370	370
371		-**Example:**
	613	+(((
	614	+
	615	+)))
372	372
373		-0x00: Normal uplink packet.
	617	+(((
	618	+(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
	619	+)))
374	374
375		-0x01: Interrupt Uplink Packet.
	621	+(((
	622	+922.2 - SF7BW125 to SF10BW125
	623	+)))
376	376
	625	+(((
	626	+922.4 - SF7BW125 to SF10BW125
	627	+)))
377	377
	629	+(((
	630	+922.6 - SF7BW125 to SF10BW125
	631	+)))
378	378
379		-=== 2.3.4  DS18B20 Temperature sensor ===
	633	+(((
	634	+922.8 - SF7BW125 to SF10BW125
	635	+)))
380	380
381		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
	637	+(((
	638	+923.0 - SF7BW125 to SF10BW125
	639	+)))
382	382
383		-**Example**:
	641	+(((
	642	+922.0 - SF7BW125 to SF10BW125
	643	+)))
384	384
385		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	645	+(((
	646	+
	647	+)))
386	386
387		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	649	+(((
	650	+(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
	651	+)))
388	388
389		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
	653	+(((
	654	+923.6 - SF7BW125 to SF10BW125
	655	+)))
390	390
	657	+(((
	658	+923.8 - SF7BW125 to SF10BW125
	659	+)))
391	391
	661	+(((
	662	+924.0 - SF7BW125 to SF10BW125
	663	+)))
392	392
393		-=== 2.3.5  Sensor Flag ===
	665	+(((
	666	+924.2 - SF7BW125 to SF10BW125
	667	+)))
394	394
395	395	(((
396		-0x01: Detect Ultrasonic Sensor
	670	+924.4 - SF7BW125 to SF10BW125
397	397	)))
398	398
399	399	(((
400		-0x00: No Ultrasonic Sensor
	674	+924.6 - SF7BW125 to SF10BW125
401	401	)))
402	402
	677	+(((
	678	+
	679	+)))
403	403
	681	+(((
	682	+(% style="color:blue" %)**Downlink:**
	683	+)))
404	404
405		-=== 2.3.6  Decode payload in The Things Network ===
	685	+(((
	686	+Uplink channels 1-8 (RX1)
	687	+)))
406	406
407		-While using TTN network, you can add the payload format to decode the payload.
	689	+(((
	690	+923.2 - SF10BW125 (RX2)
	691	+)))
408	408
409	409
410		-[[image:1654850829385-439.png]]
411	411
412		-The payload decoder function for TTN V3 is here:
413	413
	696	+=== 2.6.6  KR920-923 (KR920) ===
	697	+
414	414	(((
415		-LDDS20 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS20/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
	699	+(% style="color:blue" %)**Default channel:**
416	416	)))
417	417
	702	+(((
	703	+922.1 - SF7BW125 to SF12BW125
	704	+)))
418	418
	706	+(((
	707	+922.3 - SF7BW125 to SF12BW125
	708	+)))
419	419
420		-== 2.4  Downlink Payload ==
	710	+(((
	711	+922.5 - SF7BW125 to SF12BW125
	712	+)))
421	421
422		-By default, LDDS20 prints the downlink payload to console port.
	714	+(((
	715	+
	716	+)))
423	423
424		-[[image:image-20220615100930-15.png]]
	718	+(((
	719	+(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
	720	+)))
425	425
	722	+(((
	723	+922.1 - SF7BW125 to SF12BW125
	724	+)))
426	426
427		-**Examples:**
	726	+(((
	727	+922.3 - SF7BW125 to SF12BW125
	728	+)))
428	428
	730	+(((
	731	+922.5 - SF7BW125 to SF12BW125
	732	+)))
429	429
430		-* (% style="color:blue" %)**Set TDC**
	734	+(((
	735	+922.7 - SF7BW125 to SF12BW125
	736	+)))
431	431
432		-If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
	738	+(((
	739	+922.9 - SF7BW125 to SF12BW125
	740	+)))
433	433
434		-Payload:    01 00 00 1E    TDC=30S
	742	+(((
	743	+923.1 - SF7BW125 to SF12BW125
	744	+)))
435	435
436		-Payload:    01 00 00 3C    TDC=60S
	746	+(((
	747	+923.3 - SF7BW125 to SF12BW125
	748	+)))
437	437
	750	+(((
	751	+
	752	+)))
438	438
439		-* (% style="color:blue" %)**Reset**
	754	+(((
	755	+(% style="color:blue" %)**Downlink:**
	756	+)))
440	440
441		-If payload = 0x04FF, it will reset the LDDS20
	758	+(((
	759	+Uplink channels 1-7(RX1)
	760	+)))
442	442
	762	+(((
	763	+921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
	764	+)))
443	443
444		-* (% style="color:blue" %)**CFM**
445	445
446		-Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
447	447
448	448
	769	+=== 2.6.7  IN865-867 (IN865) ===
449	449
450		-== 2.5  ​Show Data in DataCake IoT Server ==
	771	+(((
	772	+(% style="color:blue" %)**Uplink:**
	773	+)))
451	451
452	452	(((
453		-[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
	776	+865.0625 - SF7BW125 to SF12BW125
454	454	)))
455	455
456	456	(((
	780	+865.4025 - SF7BW125 to SF12BW125
	781	+)))
	782	+
	783	+(((
	784	+865.9850 - SF7BW125 to SF12BW125
	785	+)))
	786	+
	787	+(((
457	457
458	458	)))
459	459
460	460	(((
461		-(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	792	+(% style="color:blue" %)**Downlink:**
462	462	)))
463	463
464	464	(((
465		-(% 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:**
	796	+Uplink channels 1-3 (RX1)
466	466	)))
467	467
	799	+(((
	800	+866.550 - SF10BW125 (RX2)
	801	+)))
468	468
469		-[[image:1654592790040-760.png]]
470	470
471	471
472		-[[image:1654592800389-571.png]]
473	473
	806	+== 2.7  LED Indicator ==
474	474
475		-(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
	808	+The LLDS12 has an internal LED which is to show the status of different state.
476	476
477		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
	810	+* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
	811	+* Blink once when device transmit a packet.
478	478
479		-[[image:1654851029373-510.png]]
	813	+== 2.8  ​Firmware Change Log ==
480	480
481	481
482		-After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
	816	+**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
483	483
484		-[[image:image-20220610165129-11.png||height="595" width="1088"]]
485	485
	819	+**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
486	486
487	487
488		-== 2.6  LED Indicator ==
489	489
490		-The LDDS20 has an internal LED which is to show the status of different state.
	823	+= 3.  LiDAR ToF Measurement =
491	491
	825	+== 3.1 Principle of Distance Measurement ==
492	492
493		-* Blink once when device power on.
494		-* The device detects the sensor and flashes 5 times.
495		-* Solid ON for 5 seconds once device successful Join the network.
496		-* Blink once when device transmit a packet.
	827	+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.
497	497
	829	+[[image:1654831757579-263.png]]
498	498
499	499
500		-== 2.7  ​Firmware Change Log ==
501	501
	833	+== 3.2 Distance Measurement Characteristics ==
502	502
	835	+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:
	836	+
	837	+[[image:1654831774373-275.png]]
	838	+
	839	+
503	503	(((
504		-**Firmware download link:  **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
	841	+(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
505	505	)))
506	506
507	507	(((
508		-
	845	+(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
509	509	)))
510	510
511	511	(((
512		-**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
	849	+(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
513	513	)))
514	514
515	515
	853	+(((
	854	+Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the 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:
	855	+)))
516	516
517		-== 2.8  Battery Analysis ==
518	518
	858	+[[image:1654831797521-720.png]]
519	519
520	520
	861	+(((
	862	+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.
	863	+)))
521	521
522		-=== 2.8.1  Battery Type ===
	865	+[[image:1654831810009-716.png]]
523	523
524		-The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
525	525
	868	+(((
	869	+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.
	870	+)))
526	526
527		-The battery related documents as below:
528	528
529		-* (((
530		-[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
	873	+
	874	+== 3.3 Notice of usage: ==
	875	+
	876	+Possible invalid /wrong reading for LiDAR ToF tech:
	877	+
	878	+* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
	879	+* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
	880	+* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
	881	+* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
	882	+
	883	+= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
	884	+
	885	+(((
	886	+(((
	887	+Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
531	531	)))
	889	+)))
	890	+
532	532	* (((
533		-[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
	892	+(((
	893	+AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
534	534	)))
	895	+)))
535	535	* (((
536		-[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	897	+(((
	898	+LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
537	537	)))
	900	+)))
538	538
539		- [[image:image-20220615102527-16.png]]
	902	+(((
	903	+(((
	904	+
	905	+)))
540	540
	907	+(((
	908	+There are two kinds of commands to configure LLDS12, they are:
	909	+)))
	910	+)))
541	541
	912	+* (((
	913	+(((
	914	+(% style="color:#4f81bd" %)** General Commands**.
	915	+)))
	916	+)))
542	542
543		-== 2.8.2  Battery Note ==
	918	+(((
	919	+(((
	920	+These commands are to configure:
	921	+)))
	922	+)))
544	544
545		-The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
	924	+* (((
	925	+(((
	926	+General system settings like: uplink interval.
	927	+)))
	928	+)))
	929	+* (((
	930	+(((
	931	+LoRaWAN protocol & radio related command.
	932	+)))
	933	+)))
546	546
547		-
548		-
549		-=== 2.8.3  Replace the battery ===
550		-
551	551	(((
552		-You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
	936	+(((
	937	+They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
553	553	)))
	939	+)))
554	554
555	555	(((
	942	+(((
556	556
557	557	)))
	945	+)))
558	558
	947	+* (((
559	559	(((
560		-The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	949	+(% style="color:#4f81bd" %)** Commands special design for LLDS12**
561	561	)))
	951	+)))
562	562
	953	+(((
	954	+(((
	955	+These commands only valid for LLDS12, as below:
	956	+)))
	957	+)))
563	563
564	564
565		-== 2.8.4  Battery Life Analyze ==
566	566
567		-Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
	961	+== 4.1  Set Transmit Interval Time ==
568	568
569		-[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
	963	+Feature: Change LoRaWAN End Node Transmit Interval.
570	570
	965	+(% style="color:#037691" %)**AT Command: AT+TDC**
571	571
	967	+[[image:image-20220607171554-8.png]]
572	572
573		-= 3.  Using the AT Commands =
574	574
575	575	(((
	971	+(% style="color:#037691" %)**Downlink Command: 0x01**
	972	+)))
	973	+
576	576	(((
577		-
	975	+Format: Command Code (0x01) followed by 3 bytes time value.
578	578	)))
	977	+
	978	+(((
	979	+If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
579	579	)))
580	580
581		-== 3.1  Access AT Commands ==
	982	+* (((
	983	+Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	984	+)))
	985	+* (((
	986	+Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	987	+)))
582	582
583		-LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
	989	+== 4.2  Set Interrupt Mode ==
584	584
	991	+Feature, Set Interrupt mode for GPIO_EXIT.
585	585
586		-[[image:image-20220610172924-4.png||height="483" width="988"]]
	993	+(% style="color:#037691" %)**AT Command: AT+INTMOD**
587	587
	995	+[[image:image-20220610105806-2.png]]
588	588
589		-Or if you have below board, use below connection:
590	590
	998	+(((
	999	+(% style="color:#037691" %)**Downlink Command: 0x06**
	1000	+)))
591	591
592		-[[image:image-20220610172924-5.png]]
	1002	+(((
	1003	+Format: Command Code (0x06) followed by 3 bytes.
	1004	+)))
593	593
594		-
595	595	(((
596		-In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
	1007	+This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
597	597	)))
598	598
	1010	+* (((
	1011	+Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
	1012	+)))
	1013	+* (((
	1014	+Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1015	+)))
599	599
600		- [[image:image-20220610172924-6.png||height="601" width="860"]]
	1017	+== 4.3  Get Firmware Version Info ==
601	601
602		-Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
	1019	+Feature: use downlink to get firmware version.
603	603
	1021	+(% style="color:#037691" %)**Downlink Command: 0x26**
604	604
605		-AT+<CMD>?  :  Help on <CMD>
	1023	+[[image:image-20220607171917-10.png]]
606	606
607		-AT+<CMD>  :  Run <CMD>
	1025	+* Reply to the confirmation package: 26 01
	1026	+* Reply to non-confirmed packet: 26 00
608	608
609		-AT+<CMD>=<value>  :  Set the value
	1028	+Device will send an uplink after got this downlink command. With below payload:
610	610
611		-AT+<CMD>=?  :  Get the value
	1030	+Configures info payload:
612	612
	1032	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	1033	+|=(((
	1034	+**Size(bytes)**
	1035	+)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
	1036	+|**Value**|Software Type|(((
	1037	+Frequency
613	613
614		-**General Commands**
	1039	+Band
	1040	+)))|Sub-band|(((
	1041	+Firmware
615	615
616		-AT                    : Attention
	1043	+Version
	1044	+)))|Sensor Type|Reserve|(((
	1045	+[[Message Type>>||anchor="H2.3.7A0MessageType"]]
	1046	+Always 0x02
	1047	+)))
617	617
618		-AT?                            : Short Help
	1049	+**Software Type**: Always 0x03 for LLDS12
619	619
620		-ATZ                            : MCU Reset
621	621
622		-AT+TDC           : Application Data Transmission Interval
	1052	+**Frequency Band**:
623	623
	1054	+*0x01: EU868
624	624
625		-**Keys, IDs and EUIs management**
	1056	+*0x02: US915
626	626
627		-AT+APPEUI              : Application EUI
	1058	+*0x03: IN865
628	628
629		-AT+APPKEY              : Application Key
	1060	+*0x04: AU915
630	630
631		-AT+APPSKEY            : Application Session Key
	1062	+*0x05: KZ865
632	632
633		-AT+DADDR              : Device Address
	1064	+*0x06: RU864
634	634
635		-AT+DEUI                   : Device EUI
	1066	+*0x07: AS923
636	636
637		-AT+NWKID               : Network ID (You can enter this command change only after successful network connection)
	1068	+*0x08: AS923-1
638	638
639		-AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network
	1070	+*0x09: AS923-2
640	640
641		-AT+CFM          : Confirm Mode
	1072	+*0xa0: AS923-3
642	642
643		-AT+CFS                     : Confirm Status
644	644
645		-AT+JOIN          : Join LoRa? Network
	1075	+**Sub-Band**: value 0x00 ~~ 0x08
646	646
647		-AT+NJM          : LoRa? Network Join Mode
648	648
649		-AT+NJS                     : LoRa? Network Join Status
	1078	+**Firmware Version**: 0x0100, Means: v1.0.0 version
650	650
651		-AT+RECV                  : Print Last Received Data in Raw Format
652	652
653		-AT+RECVB                : Print Last Received Data in Binary Format
	1081	+**Sensor Type**:
654	654
655		-AT+SEND                  : Send Text Data
	1083	+0x01: LSE01
656	656
657		-AT+SENB                  : Send Hexadecimal Data
	1085	+0x02: LDDS75
658	658
	1087	+0x03: LDDS20
659	659
660		-**LoRa Network Management**
	1089	+0x04: LLMS01
661	661
662		-AT+ADR          : Adaptive Rate
	1091	+0x05: LSPH01
663	663
664		-AT+CLASS                : LoRa Class(Currently only support class A
	1093	+0x06: LSNPK01
665	665
666		-AT+DCS           : Duty Cycle Setting
	1095	+0x07: LLDS12
667	667
668		-AT+DR                      : Data Rate (Can Only be Modified after ADR=0)
669	669
670		-AT+FCD           : Frame Counter Downlink
671	671
672		-AT+FCU           : Frame Counter Uplink
	1099	+= 5.  Battery & How to replace =
673	673
674		-AT+JN1DL                : Join Accept Delay1
	1101	+== 5.1  Battery Type ==
675	675
676		-AT+JN2DL                : Join Accept Delay2
	1103	+(((
	1104	+LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
	1105	+)))
677	677
678		-AT+PNM                   : Public Network Mode
	1107	+(((
	1108	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	1109	+)))
679	679
680		-AT+RX1DL                : Receive Delay1
	1111	+[[image:1654593587246-335.png]]
681	681
682		-AT+RX2DL                : Receive Delay2
683	683
684		-AT+RX2DR               : Rx2 Window Data Rate
	1114	+Minimum Working Voltage for the LLDS12:
685	685
686		-AT+RX2FQ               : Rx2 Window Frequency
	1116	+LLDS12:  2.45v ~~ 3.6v
687	687
688		-AT+TXP           : Transmit Power
689	689
690	690
691		-**Information**
	1120	+== 5.2  Replace Battery ==
692	692
693		-AT+RSSI           : RSSI of the Last Received Packet
	1122	+(((
	1123	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	1124	+)))
694	694
695		-AT+SNR           : SNR of the Last Received Packet
	1126	+(((
	1127	+And make sure the positive and negative pins match.
	1128	+)))
696	696
697		-AT+VER           : Image Version and Frequency Band
698	698
699		-AT+FDR           : Factory Data Reset
700	700
701		-AT+PORT                  : Application Port
	1132	+== 5.3  Power Consumption Analyze ==
702	702
703		-AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
	1134	+(((
	1135	+Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
	1136	+)))
704	704
705		- AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
	1138	+(((
	1139	+Instruction to use as below:
	1140	+)))
706	706
707	707
	1143	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
708	708
709		-== 3.2  Set Transmit Interval Time ==
	1145	+[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
710	710
711		-Feature: Change LoRaWAN End Node Transmit Interval.
712	712
713		-(% style="color:#037691" %)**AT Command: AT+TDC**
	1148	+**Step 2**: Open it and choose
714	714
715		-[[image:image-20220610173409-7.png]]
	1150	+* Product Model
	1151	+* Uplink Interval
	1152	+* Working Mode
716	716
	1154	+And the Life expectation in difference case will be shown on the right.
717	717
718		-(((
719		-(% style="color:#037691" %)**Downlink Command: 0x01**
	1156	+[[image:1654593605679-189.png]]
	1157	+
	1158	+
	1159	+The battery related documents as below:
	1160	+
	1161	+* (((
	1162	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
720	720	)))
	1164	+* (((
	1165	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1166	+)))
	1167	+* (((
	1168	+[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
	1169	+)))
721	721
	1171	+[[image:image-20220607172042-11.png]]
	1172	+
	1173	+
	1174	+
	1175	+=== 5.3.1  ​Battery Note ===
	1176	+
722	722	(((
723		-(((
724		-Format: Command Code (0x01) followed by 3 bytes time value.
	1178	+The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
	1179	+)))
725	725
	1181	+
	1182	+
	1183	+=== ​5.3.2  Replace the battery ===
	1184	+
726	726	(((
727		-If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	1186	+You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
728	728	)))
729	729
730		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
731		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1189	+(((
	1190	+The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
732	732	)))
733		-)))
734	734
735	735
736	736
	1195	+= 6.  Use AT Command =
737	737
	1197	+== 6.1  Access AT Commands ==
738	738
739		-== 3.3  Set Interrupt Mode ==
	1199	+LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
740	740
741		-Feature, Set Interrupt mode for GPIO_EXIT.
	1201	+[[image:1654593668970-604.png]]
742	742
743		-(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
	1203	+**Connection:**
744	744
745		-[[image:image-20220610174917-9.png]]
	1205	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
746	746
	1207	+(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
747	747
748		-(% style="color:#037691" %)**Downlink Command: 0x06**
	1209	+(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
749	749
750		-Format: Command Code (0x06) followed by 3 bytes.
751	751
752	752	(((
753		-This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1213	+(((
	1214	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
754	754	)))
755	755
756		-* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
757		-* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1217	+(((
	1218	+LLDS12 will output system info once power on as below:
	1219	+)))
	1220	+)))
758	758
759		-= 4.  FAQ =
760	760
761		-== 4.1  What is the frequency plan for LDDS75? ==
	1223	+ [[image:1654593712276-618.png]]
762	762
763		-LDDS75 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"]]
	1225	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
764	764
765	765
	1228	+= 7.  FAQ =
766	766
767		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1230	+== 7.1  How to change the LoRa Frequency Bands/Region ==
768	768
769	769	You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
770	770	When downloading the images, choose the required image file for download. ​
771	771
772	772
	1236	+= 8.  Trouble Shooting =
773	773
774		-== 4.3  Can I use LDDS75 in condensation environment? ==
	1238	+== 8.1  AT Commands input doesn’t work ==
775	775
776		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
777	777
	1241	+(((
	1242	+In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
	1243	+)))
778	778
779	779
780		-= 5.  Trouble Shooting =
	1246	+== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
781	781
782		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
783	783
784		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1249	+(((
	1250	+(% 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.)
	1251	+)))
785	785
	1253	+(((
	1254	+Troubleshooting: Please avoid use of this product under such circumstance in practice.
	1255	+)))
786	786
787		-== 5.2  AT Command input doesn't work ==
788		-
789		-In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
790		-
791	791	(((
792	792
793	793	)))
794	794
	1261	+(((
	1262	+(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
	1263	+)))
795	795
796		-= 6.  Order Info =
	1265	+(((
	1266	+Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	1267	+)))
797	797
798	798
799		-Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
800	800
	1271	+= 9.  Order Info =
801	801
802		-(% style="color:blue" %)**XX**(%%)**: **The default frequency band
803	803
804		-* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
805		-* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
806		-* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
807		-* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
808		-* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
809		-* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
810		-* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
811		-* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
	1274	+Part Number: (% style="color:blue" %)**LLDS12-XX**
812	812
813		-(% style="color:blue" %)**YY**(%%): Battery Option
814	814
815		-* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
816		-* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
	1277	+(% style="color:blue" %)**XX**(%%): The default frequency band
817	817
818		-= 7. ​ Packing Info =
	1279	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	1280	+* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
	1281	+* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
	1282	+* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
	1283	+* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
	1284	+* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
	1285	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	1286	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
819	819
	1288	+= 10. ​ Packing Info =
820	820
	1290	+
821	821	**Package Includes**:
822	822
823		-* LDDS75 LoRaWAN Distance Detection Sensor x 1
	1293	+* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
824	824
825	825	**Dimension and weight**:
826	826
...	...	@@ -829,7 +829,7 @@
829	829	* Package Size / pcs : cm
830	830	* Weight / pcs : g
831	831
832		-= 8.  ​Support =
	1302	+= 11.  ​Support =
833	833
834	834	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
835	835	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].

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