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

Content

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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
	6	+{{toc/}}
5	5
6	6
7		-**Table of Contents:**
8	8
9	9
10	10
...	...	@@ -11,485 +11,801 @@
11	11
12	12
13	13
14		-
15		-
16	16	= 1.  Introduction =
17	17
18		-== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
	17	+== 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		-)))
	23	+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		-
	25	+
	26	+It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
	27	+
	28	+
	29	+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.
	30	+
	31	+
	32	+LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
	33	+
	34	+
	35	+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.
	36	+
	37	+
	38	+(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
31	31	)))
	40	+)))
32	32
	42	+
	43	+[[image:1654847051249-359.png]]
	44	+
	45	+
	46	+
	47	+== ​1.2  Features ==
	48	+
	49	+* LoRaWAN 1.0.3 Class A
	50	+* Ultra low power consumption
	51	+* Distance Detection by Ultrasonic technology
	52	+* Flat object range 280mm - 7500mm
	53	+* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	54	+* Cable Length : 25cm
	55	+* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
	56	+* AT Commands to change parameters
	57	+* Uplink on periodically
	58	+* Downlink to change configure
	59	+* IP66 Waterproof Enclosure
	60	+* 4000mAh or 8500mAh Battery for long term use
	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.**
	77	+
	78	+
	79	+
	80	+[[image:1654852253176-749.png]]
	81	+
	82	+
	83	+
	84	+**(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.**
	85	+
	86	+
	87	+[[image:1654852175653-550.png]](% style="display:none" %) ** **
	88	+
	89	+
	90	+
	91	+== 1.5 ​ Applications ==
	92	+
	93	+* Horizontal distance measurement
	94	+* Liquid level measurement
	95	+* Parking management system
	96	+* Object proximity and presence detection
	97	+* Intelligent trash can management system
	98	+* Robot obstacle avoidance
	99	+* Automatic control
	100	+* Sewer
	101	+* Bottom water level monitoring
	102	+
	103	+
	104	+== 1.6  Pin mapping and power on ==
	105	+
	106	+
	107	+[[image:1654847583902-256.png]]
	108	+
	109	+
	110	+
	111	+= 2.  Configure LDDS75 to connect to LoRaWAN network =
	112	+
	113	+== 2.1  How it works ==
	114	+
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**.
	116	+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		-
	120	+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
	123	+
	124	+
	125	+== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
	126	+
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.
	128	+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		-
	132	+[[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.
	136	+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		-
	140	+(% 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*.
	144	+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
	147	+[[image:image-20220607170145-1.jpeg]]
	148	+
	149	+
	150	+For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
	151	+
	152	+Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
	153	+
	154	+**Add APP EUI in the application**
	155	+
	156	+[[image:image-20220610161353-4.png]]
	157	+
	158	+[[image:image-20220610161353-5.png]]
	159	+
	160	+[[image:image-20220610161353-6.png]]
	161	+
	162	+
	163	+[[image:image-20220610161353-7.png]]
	164	+
	165	+
	166	+You can also choose to create the device manually.
	167	+
	168	+ [[image:image-20220610161538-8.png]]
	169	+
	170	+
	171	+
	172	+**Add APP KEY and DEV EUI**
	173	+
	174	+[[image:image-20220610161538-9.png]]
	175	+
	176	+
	177	+
	178	+(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
	179	+
	180	+
	181	+Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
	182	+
	183	+[[image:image-20220610161724-10.png]]
	184	+
	185	+
61	61	(((
62		-
	187	+(% 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
	190	+[[image:1654849068701-275.png]]
	191	+
	192	+
	193	+
	194	+== 2.3  ​Uplink Payload ==
	195	+
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.
	197	+LDDS75 will uplink payload via LoRaWAN with below payload format:
	198	+
	199	+Uplink payload includes in total 4 bytes.
	200	+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		-)))
	207	+(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
	208	+|=(% style="width: 62.5px;" %)(((
	209	+**Size (bytes)**
	210	+)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
	211	+|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
	212	+[[Distance>>||anchor="H2.3.2A0Distance"]]
81	81
	214	+(unit: mm)
	215	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
	216	+[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
	217	+)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
82	82
83		-[[image:1655255122126-327.png]]
	219	+[[image:1654850511545-399.png]]
84	84
85	85
86	86
87		-== ​1.2  Features ==
	223	+=== 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 ==
	226	+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.
	228	+Ex1: 0x0B45 = 2885mV
111	111
112		-== 1.4  Mechanical ==
	230	+Ex2: 0x0B49 = 2889mV
113	113
114		-[[image:image-20220615090910-1.png]]
115	115
116	116
117		-[[image:image-20220615090910-2.png]]
	234	+=== 2.3.2  Distance ===
118	118
	236	+Get the distance. Flat object range 280mm - 7500mm.
119	119
	238	+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
	241	+* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
	242	+* 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]]
	246	+=== 2.3.3  Interrupt Pin ===
129	129
	248	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
130	130
	250	+**Example:**
131	131
132		-(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
	252	+0x00: Normal uplink packet.
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.
	254	+0x01: Interrupt Uplink Packet.
135	135
136		-[[image:image-20220615092010-11.png]]
137	137
138	138
139		-No polish needed if the container is shine metal surface without paint or non-metal container.
	258	+=== 2.3.4  DS18B20 Temperature sensor ===
140	140
141		-[[image:image-20220615092044-12.png]]
	260	+This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
142	142
	262	+**Example**:
143	143
	264	+If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
144	144
145		-(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
	266	+If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
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.
	268	+(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
148	148
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]]
	272	+=== 2.3.5  Sensor Flag ===
153	153
	274	+0x01: Detect Ultrasonic Sensor
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.
	276	+0x00: No Ultrasonic Sensor
156	156
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.
	280	+=== 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.
	282	+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
	285	+[[image:1654850829385-439.png]]
167	167
168		-(% style="color:red" %)**Note 2:**
	287	+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.
	289	+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.
	293	+== 2.4  Uplink Interval ==
175	175
176		-Prepare Eproxy AB glue.
	295	+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"]]
	299	+== 2.5  ​Show Data in DataCake IoT Server ==
183	183
	301	+(((
	302	+[[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:
	303	+)))
184	184
185		-(% style="color:red" %)**Note 1:**
	305	+(((
	306	+
	307	+)))
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.
	309	+(((
	310	+(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
	311	+)))
188	188
	313	+(((
	314	+(% 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:**
	315	+)))
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.
	318	+[[image:1654592790040-760.png]]
193	193
194	194
	321	+[[image:1654592800389-571.png]]
195	195
196		-== 1.6 ​ Applications ==
197	197
198		-* Smart liquid control solution.
199		-* Smart liquefied gas solution.
	324	+(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
200	200
201		-== 1.7  Precautions ==
	326	+(% 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.
	328	+[[image:1654851029373-510.png]]
206	206
207		-== 1.8  Pin mapping and power on ==
208	208
	331	+After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
209	209
210		-[[image:1655257026882-201.png]]
	333	+[[image:image-20220610165129-11.png||height="595" width="1088"]]
211	211
212	212
213	213
214		-= 2.  Configure LDDS20 to connect to LoRaWAN network =
	337	+== 2.6  Frequency Plans ==
215	215
	339	+(((
	340	+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.
	341	+)))
216	216
217		-== 2.1  How it works ==
218	218
	344	+
	345	+=== 2.6.1  EU863-870 (EU868) ===
	346	+
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.
	348	+(% 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.
	352	+868.1 - SF7BW125 to SF12BW125
225	225	)))
226	226
	355	+(((
	356	+868.3 - SF7BW125 to SF12BW125 and SF7BW250
	357	+)))
227	227
	359	+(((
	360	+868.5 - SF7BW125 to SF12BW125
	361	+)))
228	228
229		-== 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
	363	+(((
	364	+867.1 - SF7BW125 to SF12BW125
	365	+)))
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.
	368	+867.3 - SF7BW125 to SF12BW125
233	233	)))
234	234
235	235	(((
236		-[[image:1655257698953-697.png]]
	372	+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.
	376	+867.7 - SF7BW125 to SF12BW125
241	241	)))
242	242
243	243	(((
244		-
	380	+867.9 - SF7BW125 to SF12BW125
	381	+)))
245	245
246		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
	383	+(((
	384	+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.
	388	+
251	251	)))
252	252
253		-[[image:image-20220607170145-1.jpeg]]
	391	+(((
	392	+(% style="color:blue" %)**Downlink:**
	393	+)))
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.
	396	+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:
	400	+869.525 - SF9BW125 (RX2 downlink only)
262	262	)))
263	263
	403	+
	404	+
	405	+=== 2.6.2  US902-928(US915) ===
	406	+
264	264	(((
265		-
	408	+Used in USA, Canada and South America. Default use CHE=2
266	266
267		-**Add APP EUI in the application**
268		-)))
	410	+(% style="color:blue" %)**Uplink:**
269	269
270		-[[image:image-20220610161353-4.png]]
	412	+903.9 - SF7BW125 to SF10BW125
271	271
272		-[[image:image-20220610161353-5.png]]
	414	+904.1 - SF7BW125 to SF10BW125
273	273
274		-[[image:image-20220610161353-6.png]]
	416	+904.3 - SF7BW125 to SF10BW125
275	275
	418	+904.5 - SF7BW125 to SF10BW125
276	276
277		-[[image:image-20220610161353-7.png]]
	420	+904.7 - SF7BW125 to SF10BW125
278	278
	422	+904.9 - SF7BW125 to SF10BW125
279	279
	424	+905.1 - SF7BW125 to SF10BW125
280	280
281		-You can also choose to create the device manually.
	426	+905.3 - SF7BW125 to SF10BW125
282	282
283		- [[image:image-20220610161538-8.png]]
284	284
	429	+(% style="color:blue" %)**Downlink:**
285	285
	431	+923.3 - SF7BW500 to SF12BW500
286	286
287		-**Add APP KEY and DEV EUI**
	433	+923.9 - SF7BW500 to SF12BW500
288	288
289		-[[image:image-20220610161538-9.png]]
	435	+924.5 - SF7BW500 to SF12BW500
290	290
	437	+925.1 - SF7BW500 to SF12BW500
291	291
	439	+925.7 - SF7BW500 to SF12BW500
292	292
293		-(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
	441	+926.3 - SF7BW500 to SF12BW500
294	294
	443	+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).
	445	+927.5 - SF7BW500 to SF12BW500
297	297
298		-[[image:image-20220615095102-14.png]]
	447	+923.3 - SF12BW500(RX2 downlink only)
299	299
300	300
	450	+
	451	+)))
301	301
	453	+=== 2.6.3  CN470-510 (CN470) ===
	454	+
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.
	456	+Used in China, Default use CHE=1
304	304	)))
305	305
306		-[[image:1654849068701-275.png]]
	459	+(((
	460	+(% style="color:blue" %)**Uplink:**
	461	+)))
307	307
	463	+(((
	464	+486.3 - SF7BW125 to SF12BW125
	465	+)))
308	308
	467	+(((
	468	+486.5 - SF7BW125 to SF12BW125
	469	+)))
309	309
310		-== 2.3  ​Uplink Payload ==
	471	+(((
	472	+486.7 - SF7BW125 to SF12BW125
	473	+)))
311	311
312	312	(((
	476	+486.9 - SF7BW125 to SF12BW125
	477	+)))
	478	+
313	313	(((
314		-LDDS20 will uplink payload via LoRaWAN with below payload format:
	480	+487.1 - SF7BW125 to SF12BW125
	481	+)))
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).
	483	+(((
	484	+487.3 - SF7BW125 to SF12BW125
318	318	)))
	486	+
	487	+(((
	488	+487.5 - SF7BW125 to SF12BW125
319	319	)))
320	320
321	321	(((
	492	+487.7 - SF7BW125 to SF12BW125
	493	+)))
	494	+
	495	+(((
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"]]
	499	+(((
	500	+(% style="color:blue" %)**Downlink:**
	501	+)))
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"]]
	503	+(((
	504	+506.7 - SF7BW125 to SF12BW125
	505	+)))
336	336
337		-[[image:1654850511545-399.png]]
	507	+(((
	508	+506.9 - SF7BW125 to SF12BW125
	509	+)))
338	338
	511	+(((
	512	+507.1 - SF7BW125 to SF12BW125
	513	+)))
339	339
	515	+(((
	516	+507.3 - SF7BW125 to SF12BW125
	517	+)))
340	340
341		-=== 2.3.1  Battery Info ===
	519	+(((
	520	+507.5 - SF7BW125 to SF12BW125
	521	+)))
342	342
	523	+(((
	524	+507.7 - SF7BW125 to SF12BW125
	525	+)))
343	343
344		-Check the battery voltage for LDDS20.
	527	+(((
	528	+507.9 - SF7BW125 to SF12BW125
	529	+)))
345	345
346		-Ex1: 0x0B45 = 2885mV
	531	+(((
	532	+508.1 - SF7BW125 to SF12BW125
	533	+)))
347	347
348		-Ex2: 0x0B49 = 2889mV
	535	+(((
	536	+505.3 - SF12BW125 (RX2 downlink only)
	537	+)))
349	349
350	350
351	351
352		-=== 2.3.2  Distance ===
	541	+=== 2.6.4  AU915-928(AU915) ===
353	353
354	354	(((
355		-Get the distance. Flat object range 20mm - 2000mm.
356		-)))
	544	+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		-)))
	546	+(% 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.
	548	+916.8 - SF7BW125 to SF12BW125
364	364
	550	+917.0 - SF7BW125 to SF12BW125
365	365
	552	+917.2 - SF7BW125 to SF12BW125
366	366
367		-=== 2.3.3  Interrupt Pin ===
	554	+917.4 - SF7BW125 to SF12BW125
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.
	556	+917.6 - SF7BW125 to SF12BW125
370	370
371		-**Example:**
	558	+917.8 - SF7BW125 to SF12BW125
372	372
373		-0x00: Normal uplink packet.
	560	+918.0 - SF7BW125 to SF12BW125
374	374
375		-0x01: Interrupt Uplink Packet.
	562	+918.2 - SF7BW125 to SF12BW125
376	376
377	377
	565	+(% style="color:blue" %)**Downlink:**
378	378
379		-=== 2.3.4  DS18B20 Temperature sensor ===
	567	+923.3 - SF7BW500 to SF12BW500
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.
	569	+923.9 - SF7BW500 to SF12BW500
382	382
383		-**Example**:
	571	+924.5 - SF7BW500 to SF12BW500
384	384
385		-If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
	573	+925.1 - SF7BW500 to SF12BW500
386	386
387		-If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	575	+925.7 - SF7BW500 to SF12BW500
388	388
389		-(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
	577	+926.3 - SF7BW500 to SF12BW500
390	390
	579	+926.9 - SF7BW500 to SF12BW500
391	391
	581	+927.5 - SF7BW500 to SF12BW500
392	392
393		-=== 2.3.5  Sensor Flag ===
	583	+923.3 - SF12BW500(RX2 downlink only)
394	394
	585	+
	586	+
	587	+)))
	588	+
	589	+=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
	590	+
395	395	(((
396		-0x01: Detect Ultrasonic Sensor
	592	+(% style="color:blue" %)**Default Uplink channel:**
397	397	)))
398	398
399	399	(((
400		-0x00: No Ultrasonic Sensor
	596	+923.2 - SF7BW125 to SF10BW125
401	401	)))
402	402
	599	+(((
	600	+923.4 - SF7BW125 to SF10BW125
	601	+)))
403	403
	603	+(((
	604	+
	605	+)))
404	404
405		-=== 2.3.6  Decode payload in The Things Network ===
	607	+(((
	608	+(% style="color:blue" %)**Additional Uplink Channel**:
	609	+)))
406	406
407		-While using TTN network, you can add the payload format to decode the payload.
	611	+(((
	612	+(OTAA mode, channel added by JoinAccept message)
	613	+)))
408	408
	615	+(((
	616	+
	617	+)))
409	409
410		-[[image:1654850829385-439.png]]
	619	+(((
	620	+(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
	621	+)))
411	411
412		-The payload decoder function for TTN V3 is here:
	623	+(((
	624	+922.2 - SF7BW125 to SF10BW125
	625	+)))
413	413
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/]]
	628	+922.4 - SF7BW125 to SF10BW125
416	416	)))
417	417
	631	+(((
	632	+922.6 - SF7BW125 to SF10BW125
	633	+)))
418	418
	635	+(((
	636	+922.8 - SF7BW125 to SF10BW125
	637	+)))
419	419
420		-== 2.4  Downlink Payload ==
	639	+(((
	640	+923.0 - SF7BW125 to SF10BW125
	641	+)))
421	421
422		-By default, LDDS20 prints the downlink payload to console port.
	643	+(((
	644	+922.0 - SF7BW125 to SF10BW125
	645	+)))
423	423
424		-[[image:image-20220615100930-15.png]]
	647	+(((
	648	+
	649	+)))
425	425
	651	+(((
	652	+(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
	653	+)))
426	426
427		-**Examples:**
	655	+(((
	656	+923.6 - SF7BW125 to SF10BW125
	657	+)))
428	428
	659	+(((
	660	+923.8 - SF7BW125 to SF10BW125
	661	+)))
429	429
430		-* (% style="color:blue" %)**Set TDC**
	663	+(((
	664	+924.0 - SF7BW125 to SF10BW125
	665	+)))
431	431
432		-If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
	667	+(((
	668	+924.2 - SF7BW125 to SF10BW125
	669	+)))
433	433
434		-Payload:    01 00 00 1E    TDC=30S
	671	+(((
	672	+924.4 - SF7BW125 to SF10BW125
	673	+)))
435	435
436		-Payload:    01 00 00 3C    TDC=60S
	675	+(((
	676	+924.6 - SF7BW125 to SF10BW125
	677	+)))
437	437
	679	+(((
	680	+
	681	+)))
438	438
439		-* (% style="color:blue" %)**Reset**
	683	+(((
	684	+(% style="color:blue" %)**Downlink:**
	685	+)))
440	440
441		-If payload = 0x04FF, it will reset the LDDS20
	687	+(((
	688	+Uplink channels 1-8 (RX1)
	689	+)))
442	442
	691	+(((
	692	+923.2 - SF10BW125 (RX2)
	693	+)))
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
	697	+=== 2.6.6  KR920-923 (KR920) ===
448	448
	699	+(((
	700	+(% style="color:blue" %)**Default channel:**
	701	+)))
449	449
450		-== 2.5  ​Show Data in DataCake IoT Server ==
	703	+(((
	704	+922.1 - SF7BW125 to SF12BW125
	705	+)))
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:
	708	+922.3 - SF7BW125 to SF12BW125
454	454	)))
455	455
456	456	(((
	712	+922.5 - SF7BW125 to SF12BW125
	713	+)))
	714	+
	715	+(((
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.**
	720	+(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
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:**
	724	+922.1 - SF7BW125 to SF12BW125
466	466	)))
467	467
	727	+(((
	728	+922.3 - SF7BW125 to SF12BW125
	729	+)))
468	468
469		-[[image:1654592790040-760.png]]
	731	+(((
	732	+922.5 - SF7BW125 to SF12BW125
	733	+)))
470	470
	735	+(((
	736	+922.7 - SF7BW125 to SF12BW125
	737	+)))
471	471
472		-[[image:1654592800389-571.png]]
	739	+(((
	740	+922.9 - SF7BW125 to SF12BW125
	741	+)))
473	473
	743	+(((
	744	+923.1 - SF7BW125 to SF12BW125
	745	+)))
474	474
475		-(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
	747	+(((
	748	+923.3 - SF7BW125 to SF12BW125
	749	+)))
476	476
477		-(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
	751	+(((
	752	+
	753	+)))
478	478
479		-[[image:1654851029373-510.png]]
	755	+(((
	756	+(% style="color:blue" %)**Downlink:**
	757	+)))
480	480
	759	+(((
	760	+Uplink channels 1-7(RX1)
	761	+)))
481	481
482		-After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
	763	+(((
	764	+921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
	765	+)))
483	483
484		-[[image:image-20220610165129-11.png||height="595" width="1088"]]
485	485
486	486
	769	+=== 2.6.7  IN865-867 (IN865) ===
487	487
488		-== 2.6  LED Indicator ==
	771	+(((
	772	+(% style="color:blue" %)**Uplink:**
	773	+)))
489	489
490		-The LDDS20 has an internal LED which is to show the status of different state.
	775	+(((
	776	+865.0625 - SF7BW125 to SF12BW125
	777	+)))
491	491
	779	+(((
	780	+865.4025 - SF7BW125 to SF12BW125
	781	+)))
492	492
	783	+(((
	784	+865.9850 - SF7BW125 to SF12BW125
	785	+)))
	786	+
	787	+(((
	788	+
	789	+)))
	790	+
	791	+(((
	792	+(% style="color:blue" %)**Downlink:**
	793	+)))
	794	+
	795	+(((
	796	+Uplink channels 1-3 (RX1)
	797	+)))
	798	+
	799	+(((
	800	+866.550 - SF10BW125 (RX2)
	801	+)))
	802	+
	803	+
	804	+
	805	+== 2.7  LED Indicator ==
	806	+
	807	+The LDDS75 has an internal LED which is to show the status of different state.
	808	+
	809	+
493	493	* Blink once when device power on.
494	494	* The device detects the sensor and flashes 5 times.
495	495	* Solid ON for 5 seconds once device successful Join the network.
...	...	@@ -497,50 +497,49 @@
497	497
498	498
499	499
500		-== 2.7  ​Firmware Change Log ==
	817	+== 2.8  ​Firmware Change Log ==
501	501
502	502
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/]]
505		-)))
	820	+**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/]]
506	506
507		-(((
508		-
509		-)))
510	510
511		-(((
512		-**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
513		-)))
	823	+**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
514	514
515	515
516	516
517		-== 2.8  Battery Analysis ==
	827	+== 2.9  Mechanical ==
518	518
519	519
	830	+[[image:image-20220610172003-1.png]]
520	520
521	521
522		-=== 2.8.1  Battery Type ===
	833	+[[image:image-20220610172003-2.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
526	526
	837	+== 2.10  Battery Analysis ==
	838	+
	839	+=== 2.10.1  Battery Type ===
	840	+
	841	+The LDDS75 battery is a combination of a 4000mAh or 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.
	842	+
	843	+
527	527	The battery related documents as below:
528	528
529	529	* (((
530		-[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/le=LSN50-Battery-Dimension.pdf]],
	847	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
531	531	)))
532	532	* (((
533		-[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
	850	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
534	534	)))
535	535	* (((
536		-[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
	853	+[[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]]
537	537	)))
538	538
539		- [[image:image-20220615102527-16.png]]
	856	+ [[image:image-20220610172400-3.png]]
540	540
541	541
542	542
543		-
544	544	=== 2.10.2  Replace the battery ===
545	545
546	546	(((
...	...	@@ -648,9 +648,7 @@
648	648	[[image:image-20220610172924-5.png]]
649	649
650	650
651		-(((
652	652	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:
653		-)))
654	654
655	655
656	656	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -674,19 +674,16 @@
674	674	(((
675	675	Format: Command Code (0x01) followed by 3 bytes time value.
676	676
677		-(((
678	678	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
679		-)))
680	680
681	681	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
682	682	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
683	683	)))
684		-)))
685	685
686	686
	998	+
	999	+)))
687	687
688		-
689		-
690	690	== 3.3  Set Interrupt Mode ==
691	691
692	692	Feature, Set Interrupt mode for GPIO_EXIT.
...	...	@@ -700,13 +700,14 @@
700	700
701	701	Format: Command Code (0x06) followed by 3 bytes.
702	702
703		-(((
704	704	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
705		-)))
706	706
707	707	* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
708	708	* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
709	709
	1019	+
	1020	+
	1021	+
710	710	= 4.  FAQ =
711	711
712	712	== 4.1  What is the frequency plan for LDDS75? ==

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