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

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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	+== 1.3  Specification ==
	61	+
	62	+=== 1.3.1  Rated environmental conditions ===
	63	+
	64	+[[image:image-20220610154839-1.png]]
	65	+
	66	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
	67	+
	68	+**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)**
	69	+
	70	+
	71	+
	72	+=== 1.3.2  Effective measurement range Reference beam pattern ===
	73	+
	74	+**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
	75	+
	76	+
	77	+
	78	+[[image:1654852253176-749.png]]
	79	+
	80	+
	81	+**(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.**
	82	+
	83	+
	84	+[[image:1654852175653-550.png]](% style="display:none" %) ** **
	85	+
	86	+
	87	+
	88	+== 1.5 ​ Applications ==
	89	+
	90	+* Horizontal distance measurement
	91	+* Liquid level measurement
	92	+* Parking management system
	93	+* Object proximity and presence detection
	94	+* Intelligent trash can management system
	95	+* Robot obstacle avoidance
	96	+* Automatic control
	97	+* Sewer
	98	+* Bottom water level monitoring
	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.
	240	+=== 2.3.3  Interrupt Pin ===
125	125
126		-LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
	242	+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.
127	127
128		-[[image:image-20220615091045-3.png]]
	244	+**Example:**
129	129
	246	+0x00: Normal uplink packet.
130	130
	248	+0x01: Interrupt Uplink Packet.
131	131
132		-(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
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.
135	135
136		-[[image:image-20220615092010-11.png]]
	252	+=== 2.3.4  DS18B20 Temperature sensor ===
137	137
	254	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
138	138
139		-No polish needed if the container is shine metal surface without paint or non-metal container.
	256	+**Example**:
140	140
141		-[[image:image-20220615092044-12.png]]
	258	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
142	142
	260	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
143	143
	262	+(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
144	144
145		-(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
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.
148	148
	266	+=== 2.3.5  Sensor Flag ===
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.
	268	+0x01: Detect Ultrasonic Sensor
151	151
152		-[[image:1655256160324-178.png]][[image:image-20220615092327-13.png]]
	270	+0x00: No Ultrasonic Sensor
153	153
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.
	273	+===
	274	+(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
156	156
	276	+While using TTN network, you can add the payload format to decode the payload.
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.
	279	+[[image:1654850829385-439.png]]
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.
	281	+The payload decoder function for TTN V3 is here:
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.
	283	+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/]]
166	166
167	167
168		-(% style="color:red" %)**Note 2:**
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.
	287	+== 2.4  Uplink Interval ==
171	171
	289	+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"]]
172	172
173	173
174		-(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175	175
176		-Prepare Eproxy AB glue.
	293	+== 2.5  ​Show Data in DataCake IoT Server ==
177	177
178		-Put Eproxy AB glue in the sensor and press it hard on the container installation point.
	295	+(((
	296	+[[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:
	297	+)))
179	179
180		-Reset LDDS20 and see if the BLUE LED is slowly blinking.
	299	+(((
	300	+
	301	+)))
181	181
182		-[[image:image-20220615091045-8.png||height="226" width="380"]] [[image:image-20220615091045-9.png||height="239" width="339"]]
	303	+(((
	304	+(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	305	+)))
183	183
	307	+(((
	308	+(% 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:**
	309	+)))
184	184
185		-(% style="color:red" %)**Note 1:**
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.
	312	+[[image:1654592790040-760.png]]
188	188
189	189
190		-(% style="color:red" %)**Note 2:**
	315	+[[image:1654592800389-571.png]]
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.
193	193
	318	+(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
194	194
	320	+(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
195	195
196		-== 1.6 ​ Applications ==
	322	+[[image:1654851029373-510.png]]
197	197
198		-* Smart liquid control solution.
199		-* Smart liquefied gas solution.
200	200
201		-== 1.7  Precautions ==
	325	+After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
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.
	327	+[[image:image-20220610165129-11.png||height="595" width="1088"]]
206	206
207		-== 1.8  Pin mapping and power on ==
208	208
209	209
210		-[[image:1655257026882-201.png]]
	331	+== 2.6  Frequency Plans ==
211	211
	333	+(((
	334	+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.
	335	+)))
212	212
213	213
214		-= 2.  Configure LDDS20 to connect to LoRaWAN network =
215	215
	339	+=== 2.6.1  EU863-870 (EU868) ===
216	216
217		-== 2.1  How it works ==
	341	+(((
	342	+(% style="color:blue" %)**Uplink:**
	343	+)))
218	218
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.
	346	+868.1 - SF7BW125 to SF12BW125
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.
	350	+868.3 - SF7BW125 to SF12BW125 and SF7BW250
225	225	)))
226	226
	353	+(((
	354	+868.5 - SF7BW125 to SF12BW125
	355	+)))
227	227
	357	+(((
	358	+867.1 - SF7BW125 to SF12BW125
	359	+)))
228	228
229		-== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
	361	+(((
	362	+867.3 - SF7BW125 to SF12BW125
	363	+)))
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.
	366	+867.5 - SF7BW125 to SF12BW125
233	233	)))
234	234
235	235	(((
236		-[[image:1655257698953-697.png]]
	370	+867.7 - 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.
	374	+867.9 - SF7BW125 to SF12BW125
241	241	)))
242	242
243	243	(((
244		-
	378	+868.8 - FSK
	379	+)))
245	245
246		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
	381	+(((
	382	+
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.
	386	+(% style="color:blue" %)**Downlink:**
251	251	)))
252	252
253		-[[image:image-20220607170145-1.jpeg]]
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.
	390	+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:
	394	+869.525 - SF9BW125 (RX2 downlink only)
262	262	)))
263	263
	397	+
	398	+
	399	+=== 2.6.2  US902-928(US915) ===
	400	+
264	264	(((
265		-
	402	+Used in USA, Canada and South America. Default use CHE=2
266	266
267		-**Add APP EUI in the application**
268		-)))
	404	+(% style="color:blue" %)**Uplink:**
269	269
270		-[[image:image-20220610161353-4.png]]
	406	+903.9 - SF7BW125 to SF10BW125
271	271
272		-[[image:image-20220610161353-5.png]]
	408	+904.1 - SF7BW125 to SF10BW125
273	273
274		-[[image:image-20220610161353-6.png]]
	410	+904.3 - SF7BW125 to SF10BW125
275	275
	412	+904.5 - SF7BW125 to SF10BW125
276	276
277		-[[image:image-20220610161353-7.png]]
	414	+904.7 - SF7BW125 to SF10BW125
278	278
	416	+904.9 - SF7BW125 to SF10BW125
279	279
	418	+905.1 - SF7BW125 to SF10BW125
280	280
281		-You can also choose to create the device manually.
	420	+905.3 - SF7BW125 to SF10BW125
282	282
283		- [[image:image-20220610161538-8.png]]
284	284
	423	+(% style="color:blue" %)**Downlink:**
285	285
	425	+923.3 - SF7BW500 to SF12BW500
286	286
287		-**Add APP KEY and DEV EUI**
	427	+923.9 - SF7BW500 to SF12BW500
288	288
289		-[[image:image-20220610161538-9.png]]
	429	+924.5 - SF7BW500 to SF12BW500
290	290
	431	+925.1 - SF7BW500 to SF12BW500
291	291
	433	+925.7 - SF7BW500 to SF12BW500
292	292
293		-(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
	435	+926.3 - SF7BW500 to SF12BW500
294	294
	437	+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).
	439	+927.5 - SF7BW500 to SF12BW500
297	297
298		-[[image:image-20220615095102-14.png]]
	441	+923.3 - SF12BW500(RX2 downlink only)
299	299
300	300
	444	+
	445	+)))
301	301
	447	+=== 2.6.3  CN470-510 (CN470) ===
	448	+
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.
	450	+Used in China, Default use CHE=1
304	304	)))
305	305
306		-[[image:1654849068701-275.png]]
	453	+(((
	454	+(% style="color:blue" %)**Uplink:**
	455	+)))
307	307
	457	+(((
	458	+486.3 - SF7BW125 to SF12BW125
	459	+)))
308	308
	461	+(((
	462	+486.5 - SF7BW125 to SF12BW125
	463	+)))
309	309
310		-== 2.3  ​Uplink Payload ==
	465	+(((
	466	+486.7 - SF7BW125 to SF12BW125
	467	+)))
311	311
312	312	(((
	470	+486.9 - SF7BW125 to SF12BW125
	471	+)))
	472	+
313	313	(((
314		-LDDS20 will uplink payload via LoRaWAN with below payload format:
	474	+487.1 - SF7BW125 to SF12BW125
	475	+)))
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).
	477	+(((
	478	+487.3 - SF7BW125 to SF12BW125
318	318	)))
	480	+
	481	+(((
	482	+487.5 - SF7BW125 to SF12BW125
319	319	)))
320	320
321	321	(((
	486	+487.7 - SF7BW125 to SF12BW125
	487	+)))
	488	+
	489	+(((
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"]]
	493	+(((
	494	+(% style="color:blue" %)**Downlink:**
	495	+)))
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"]]
	497	+(((
	498	+506.7 - SF7BW125 to SF12BW125
	499	+)))
336	336
337		-[[image:1654850511545-399.png]]
	501	+(((
	502	+506.9 - SF7BW125 to SF12BW125
	503	+)))
338	338
	505	+(((
	506	+507.1 - SF7BW125 to SF12BW125
	507	+)))
339	339
	509	+(((
	510	+507.3 - SF7BW125 to SF12BW125
	511	+)))
340	340
341		-=== 2.3.1  Battery Info ===
	513	+(((
	514	+507.5 - SF7BW125 to SF12BW125
	515	+)))
342	342
	517	+(((
	518	+507.7 - SF7BW125 to SF12BW125
	519	+)))
343	343
344		-Check the battery voltage for LDDS20.
	521	+(((
	522	+507.9 - SF7BW125 to SF12BW125
	523	+)))
345	345
346		-Ex1: 0x0B45 = 2885mV
	525	+(((
	526	+508.1 - SF7BW125 to SF12BW125
	527	+)))
347	347
348		-Ex2: 0x0B49 = 2889mV
	529	+(((
	530	+505.3 - SF12BW125 (RX2 downlink only)
	531	+)))
349	349
350	350
351	351
352		-=== 2.3.2  Distance ===
	535	+=== 2.6.4  AU915-928(AU915) ===
353	353
354	354	(((
355		-Get the distance. Flat object range 20mm - 2000mm.
356		-)))
	538	+Default use CHE=2
357	357
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.**
360		-)))
	540	+(% style="color:blue" %)**Uplink:**
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.
	542	+916.8 - SF7BW125 to SF12BW125
364	364
365		-=== 2.3.3  Interrupt Pin ===
	544	+917.0 - SF7BW125 to SF12BW125
366	366
367		-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.
	546	+917.2 - SF7BW125 to SF12BW125
368	368
369		-**Example:**
	548	+917.4 - SF7BW125 to SF12BW125
370	370
371		-0x00: Normal uplink packet.
	550	+917.6 - SF7BW125 to SF12BW125
372	372
373		-0x01: Interrupt Uplink Packet.
	552	+917.8 - SF7BW125 to SF12BW125
374	374
	554	+918.0 - SF7BW125 to SF12BW125
375	375
	556	+918.2 - SF7BW125 to SF12BW125
376	376
377		-=== 2.3.4  DS18B20 Temperature sensor ===
378	378
379		-This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
	559	+(% style="color:blue" %)**Downlink:**
380	380
381		-**Example**:
	561	+923.3 - SF7BW500 to SF12BW500
382	382
383		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	563	+923.9 - SF7BW500 to SF12BW500
384	384
385		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	565	+924.5 - SF7BW500 to SF12BW500
386	386
387		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
	567	+925.1 - SF7BW500 to SF12BW500
388	388
	569	+925.7 - SF7BW500 to SF12BW500
389	389
	571	+926.3 - SF7BW500 to SF12BW500
390	390
391		-=== 2.3.5  Sensor Flag ===
	573	+926.9 - SF7BW500 to SF12BW500
392	392
	575	+927.5 - SF7BW500 to SF12BW500
	576	+
	577	+923.3 - SF12BW500(RX2 downlink only)
	578	+
	579	+
	580	+
	581	+)))
	582	+
	583	+=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
	584	+
393	393	(((
394		-0x01: Detect Ultrasonic Sensor
	586	+(% style="color:blue" %)**Default Uplink channel:**
395	395	)))
396	396
397	397	(((
398		-0x00: No Ultrasonic Sensor
	590	+923.2 - SF7BW125 to SF10BW125
399	399	)))
400	400
	593	+(((
	594	+923.4 - SF7BW125 to SF10BW125
	595	+)))
401	401
	597	+(((
	598	+
	599	+)))
402	402
403		-=== 2.3.6  Decode payload in The Things Network ===
	601	+(((
	602	+(% style="color:blue" %)**Additional Uplink Channel**:
	603	+)))
404	404
405		-While using TTN network, you can add the payload format to decode the payload.
	605	+(((
	606	+(OTAA mode, channel added by JoinAccept message)
	607	+)))
406	406
	609	+(((
	610	+
	611	+)))
407	407
408		-[[image:1654850829385-439.png]]
	613	+(((
	614	+(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
	615	+)))
409	409
410		-The payload decoder function for TTN V3 is here:
	617	+(((
	618	+922.2 - SF7BW125 to SF10BW125
	619	+)))
411	411
412	412	(((
413		-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/]]
	622	+922.4 - SF7BW125 to SF10BW125
414	414	)))
415	415
	625	+(((
	626	+922.6 - SF7BW125 to SF10BW125
	627	+)))
416	416
	629	+(((
	630	+922.8 - SF7BW125 to SF10BW125
	631	+)))
417	417
418		-== 2.4  Downlink Payload ==
	633	+(((
	634	+923.0 - SF7BW125 to SF10BW125
	635	+)))
419	419
420		-By default, LDDS20 prints the downlink payload to console port.
	637	+(((
	638	+922.0 - SF7BW125 to SF10BW125
	639	+)))
421	421
422		-[[image:image-20220615100930-15.png]]
	641	+(((
	642	+
	643	+)))
423	423
	645	+(((
	646	+(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
	647	+)))
424	424
425		-**Examples:**
	649	+(((
	650	+923.6 - SF7BW125 to SF10BW125
	651	+)))
426	426
	653	+(((
	654	+923.8 - SF7BW125 to SF10BW125
	655	+)))
427	427
428		-* (% style="color:blue" %)**Set TDC**
	657	+(((
	658	+924.0 - SF7BW125 to SF10BW125
	659	+)))
429	429
430		-If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
	661	+(((
	662	+924.2 - SF7BW125 to SF10BW125
	663	+)))
431	431
432		-Payload:    01 00 00 1E    TDC=30S
	665	+(((
	666	+924.4 - SF7BW125 to SF10BW125
	667	+)))
433	433
434		-Payload:    01 00 00 3C    TDC=60S
	669	+(((
	670	+924.6 - SF7BW125 to SF10BW125
	671	+)))
435	435
	673	+(((
	674	+
	675	+)))
436	436
437		-* (% style="color:blue" %)**Reset**
	677	+(((
	678	+(% style="color:blue" %)**Downlink:**
	679	+)))
438	438
439		-If payload = 0x04FF, it will reset the LDDS20
	681	+(((
	682	+Uplink channels 1-8 (RX1)
	683	+)))
440	440
	685	+(((
	686	+923.2 - SF10BW125 (RX2)
	687	+)))
441	441
442		-* (% style="color:blue" %)**CFM**
443	443
444		-Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
445	445
	691	+=== 2.6.6  KR920-923 (KR920) ===
446	446
	693	+(((
	694	+(% style="color:blue" %)**Default channel:**
	695	+)))
447	447
448		-== 2.5  ​Show Data in DataCake IoT Server ==
	697	+(((
	698	+922.1 - SF7BW125 to SF12BW125
	699	+)))
449	449
450	450	(((
451		-[[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:
	702	+922.3 - SF7BW125 to SF12BW125
452	452	)))
453	453
454	454	(((
	706	+922.5 - SF7BW125 to SF12BW125
	707	+)))
	708	+
	709	+(((
455	455
456	456	)))
457	457
458	458	(((
459		-(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	714	+(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
460	460	)))
461	461
462	462	(((
463		-(% 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:**
	718	+922.1 - SF7BW125 to SF12BW125
464	464	)))
465	465
	721	+(((
	722	+922.3 - SF7BW125 to SF12BW125
	723	+)))
466	466
467		-[[image:1654592790040-760.png]]
	725	+(((
	726	+922.5 - SF7BW125 to SF12BW125
	727	+)))
468	468
	729	+(((
	730	+922.7 - SF7BW125 to SF12BW125
	731	+)))
469	469
470		-[[image:1654592800389-571.png]]
	733	+(((
	734	+922.9 - SF7BW125 to SF12BW125
	735	+)))
471	471
	737	+(((
	738	+923.1 - SF7BW125 to SF12BW125
	739	+)))
472	472
473		-(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
	741	+(((
	742	+923.3 - SF7BW125 to SF12BW125
	743	+)))
474	474
475		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
	745	+(((
	746	+
	747	+)))
476	476
477		-[[image:1654851029373-510.png]]
	749	+(((
	750	+(% style="color:blue" %)**Downlink:**
	751	+)))
478	478
	753	+(((
	754	+Uplink channels 1-7(RX1)
	755	+)))
479	479
480		-After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
	757	+(((
	758	+921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
	759	+)))
481	481
482		-[[image:image-20220610165129-11.png||height="595" width="1088"]]
483	483
484	484
	763	+=== 2.6.7  IN865-867 (IN865) ===
485	485
486		-== 2.6  LED Indicator ==
	765	+(((
	766	+(% style="color:blue" %)**Uplink:**
	767	+)))
487	487
488		-The LDDS20 has an internal LED which is to show the status of different state.
	769	+(((
	770	+865.0625 - SF7BW125 to SF12BW125
	771	+)))
489	489
	773	+(((
	774	+865.4025 - SF7BW125 to SF12BW125
	775	+)))
490	490
491		-* Blink once when device power on.
492		-* The device detects the sensor and flashes 5 times.
493		-* Solid ON for 5 seconds once device successful Join the network.
	777	+(((
	778	+865.9850 - SF7BW125 to SF12BW125
	779	+)))
494	494
495		-Blink once when device transmit a packet.
	781	+(((
	782	+
	783	+)))
496	496
	785	+(((
	786	+(% style="color:blue" %)**Downlink:**
	787	+)))
497	497
	789	+(((
	790	+Uplink channels 1-3 (RX1)
	791	+)))
498	498
	793	+(((
	794	+866.550 - SF10BW125 (RX2)
	795	+)))
	796	+
	797	+
	798	+
	799	+== 2.7  LED Indicator ==
	800	+
	801	+The LDDS75 has an internal LED which is to show the status of different state.
	802	+
	803	+
	804	+* Blink once when device power on.
	805	+* The device detects the sensor and flashes 5 times.
	806	+* Solid ON for 5 seconds once device successful Join the network.
	807	+* Blink once when device transmit a packet.
	808	+
499	499	== 2.8  ​Firmware Change Log ==
500	500
501	501
502		-(((
503	503	**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/]]
504		-)))
505	505
506		-(((
507		-
508		-)))
509	509
510		-(((
511	511	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
512		-)))
513	513
514	514
515	515
...	...	@@ -518,11 +518,9 @@
518	518
519	519	[[image:image-20220610172003-1.png]]
520	520
521		-
522	522	[[image:image-20220610172003-2.png]]
523	523
524	524
525		-
526	526	== 2.10  Battery Analysis ==
527	527
528	528	=== 2.10.1  Battery Type ===
...	...	@@ -533,7 +533,7 @@
533	533	The battery related documents as below:
534	534
535	535	* (((
536		-[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	837	+[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
537	537	)))
538	538	* (((
539	539	[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
...	...	@@ -549,7 +549,7 @@
549	549	=== 2.10.2  Replace the battery ===
550	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.
	853	+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.
553	553	)))
554	554
555	555	(((
...	...	@@ -557,12 +557,12 @@
557	557	)))
558	558
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)
	861	+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)
561	561	)))
562	562
563	563
564	564
565		-= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
	866	+= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
566	566
567	567	(((
568	568	(((
...	...	@@ -572,7 +572,7 @@
572	572
573	573	* (((
574	574	(((
575		-AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
	876	+AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
576	576	)))
577	577	)))
578	578	* (((
...	...	@@ -653,9 +653,7 @@
653	653	[[image:image-20220610172924-5.png]]
654	654
655	655
656		-(((
657	657	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
658		-)))
659	659
660	660
661	661	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -671,6 +671,8 @@
671	671	[[image:image-20220610173409-7.png]]
672	672
673	673
	973	+
	974	+
674	674	(((
675	675	(% style="color:#037691" %)**Downlink Command: 0x01**
676	676	)))
...	...	@@ -679,26 +679,24 @@
679	679	(((
680	680	Format: Command Code (0x01) followed by 3 bytes time value.
681	681
682		-(((
683	683	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
684		-)))
685	685
686	686	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
687	687	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
688	688	)))
689		-)))
690	690
691	691
	990	+
	991	+)))
692	692
693		-
694		-
695	695	== 3.3  Set Interrupt Mode ==
696	696
697	697	Feature, Set Interrupt mode for GPIO_EXIT.
698	698
	997	+
699	699	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
700	700
701		-[[image:image-20220610174917-9.png]]
	1000	+[[image:image-20220610105907-1.png]]
702	702
703	703
704	704	(% style="color:#037691" %)**Downlink Command: 0x06**
...	...	@@ -705,78 +705,207 @@
705	705
706	706	Format: Command Code (0x06) followed by 3 bytes.
707	707
708		-(((
709	709	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
710		-)))
711	711
712	712	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
713	713	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
714	714
715		-= 4.  FAQ =
716	716
717		-== 4.1  What is the frequency plan for LDDS75? ==
	1013	+= 5.  Battery & How to replace =
718	718
719		-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"]]
	1015	+== 5.1  Battery Type ==
720	720
	1017	+(((
	1018	+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.
	1019	+)))
721	721
	1021	+(((
	1022	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	1023	+)))
722	722
723		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1025	+[[image:1654593587246-335.png]]
724	724
725		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
726		-When downloading the images, choose the required image file for download. ​
727	727
	1028	+Minimum Working Voltage for the LLDS12:
728	728
	1030	+LLDS12:  2.45v ~~ 3.6v
729	729
730		-== 4.3  Can I use LDDS75 in condensation environment? ==
731	731
732		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
733	733
	1034	+== 5.2  Replace Battery ==
734	734
	1036	+(((
	1037	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	1038	+)))
735	735
736		-= 5.  Trouble Shooting =
	1040	+(((
	1041	+And make sure the positive and negative pins match.
	1042	+)))
737	737
738		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
739	739
740		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
741	741
	1046	+== 5.3  Power Consumption Analyze ==
742	742
743		-== 5.2  AT Command input doesn't work ==
	1048	+(((
	1049	+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.
	1050	+)))
744	744
	1052	+(((
	1053	+Instruction to use as below:
	1054	+)))
	1055	+
	1056	+
	1057	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
	1058	+
	1059	+[[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/]]
	1060	+
	1061	+
	1062	+**Step 2**: Open it and choose
	1063	+
	1064	+* Product Model
	1065	+* Uplink Interval
	1066	+* Working Mode
	1067	+
	1068	+And the Life expectation in difference case will be shown on the right.
	1069	+
	1070	+[[image:1654593605679-189.png]]
	1071	+
	1072	+
	1073	+The battery related documents as below:
	1074	+
	1075	+* (((
	1076	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	1077	+)))
	1078	+* (((
	1079	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1080	+)))
	1081	+* (((
	1082	+[[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]]
	1083	+)))
	1084	+
	1085	+[[image:image-20220607172042-11.png]]
	1086	+
	1087	+
	1088	+
	1089	+=== 5.3.1  ​Battery Note ===
	1090	+
	1091	+(((
	1092	+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.
	1093	+)))
	1094	+
	1095	+
	1096	+
	1097	+=== ​5.3.2  Replace the battery ===
	1098	+
	1099	+(((
	1100	+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.
	1101	+)))
	1102	+
	1103	+(((
	1104	+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)
	1105	+)))
	1106	+
	1107	+
	1108	+
	1109	+= 6.  Use AT Command =
	1110	+
	1111	+== 6.1  Access AT Commands ==
	1112	+
	1113	+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.
	1114	+
	1115	+[[image:1654593668970-604.png]]
	1116	+
	1117	+**Connection:**
	1118	+
	1119	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
	1120	+
	1121	+(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
	1122	+
	1123	+(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
	1124	+
	1125	+
	1126	+(((
	1127	+(((
	1128	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
	1129	+)))
	1130	+
	1131	+(((
	1132	+LLDS12 will output system info once power on as below:
	1133	+)))
	1134	+)))
	1135	+
	1136	+
	1137	+ [[image:1654593712276-618.png]]
	1138	+
	1139	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
	1140	+
	1141	+
	1142	+= 7.  FAQ =
	1143	+
	1144	+== 7.1  How to change the LoRa Frequency Bands/Region ==
	1145	+
	1146	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
	1147	+When downloading the images, choose the required image file for download. ​
	1148	+
	1149	+
	1150	+= 8.  Trouble Shooting =
	1151	+
	1152	+== 8.1  AT Commands input doesn’t work ==
	1153	+
	1154	+
	1155	+(((
745	745	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.
	1157	+)))
746	746
	1159	+
	1160	+== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
	1161	+
	1162	+
747	747	(((
	1164	+(% 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.)
	1165	+)))
	1166	+
	1167	+(((
	1168	+Troubleshooting: Please avoid use of this product under such circumstance in practice.
	1169	+)))
	1170	+
	1171	+(((
748	748
749	749	)))
750	750
	1175	+(((
	1176	+(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
	1177	+)))
751	751
752		-= 6.  Order Info =
	1179	+(((
	1180	+Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	1181	+)))
753	753
754	754
755		-Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
756	756
	1185	+= 9.  Order Info =
757	757
758		-(% style="color:blue" %)**XX**(%%)**: **The default frequency band
759	759
760		-* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
761		-* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
762		-* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
763		-* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
764		-* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
765		-* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
766		-* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
767		-* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
	1188	+Part Number: (% style="color:blue" %)**LLDS12-XX**
768	768
769		-(% style="color:blue" %)**YY**(%%): Battery Option
770	770
771		-* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
772		-* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
	1191	+(% style="color:blue" %)**XX**(%%): The default frequency band
773	773
774		-= 7. ​ Packing Info =
	1193	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	1194	+* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
	1195	+* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
	1196	+* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
	1197	+* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
	1198	+* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
	1199	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	1200	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
775	775
	1202	+= 10. ​ Packing Info =
776	776
	1204	+
777	777	**Package Includes**:
778	778
779		-* LDDS75 LoRaWAN Distance Detection Sensor x 1
	1207	+* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
780	780
781	781	**Dimension and weight**:
782	782
...	...	@@ -785,7 +785,7 @@
785	785	* Package Size / pcs : cm
786	786	* Weight / pcs : g
787	787
788		-= 8.  ​Support =
	1216	+= 11.  ​Support =
789	789
790	790	* 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.
791	791	* 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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