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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 150.52
edited by Xiaoling
on 2022/06/11 09:21
Change comment: There is no comment for this version
To version 173.5
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS20 - LoRaWAN Ultrasonic Liquid Level Sensor User Manual
Content
... ... @@ -1,11 +1,10 @@
1 1  (% style="text-align:center" %)
2 -[[image:1654846127817-788.png]]
2 +[[image:1655254599445-662.png]]
3 3  
4 -**Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
7 +**Table of Contents:**
9 9  
10 10  
11 11  
... ... @@ -12,9 +12,11 @@
12 12  
13 13  
14 14  
14 +
15 +
15 15  = 1.  Introduction =
16 16  
17 -== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
18 +== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
18 18  
19 19  (((
20 20  
... ... @@ -21,7 +21,8 @@
21 21  
22 22  (((
23 23  (((
24 -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.
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
25 25  )))
26 26  
27 27  (((
... ... @@ -29,7 +29,7 @@
29 29  )))
30 30  
31 31  (((
32 -It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
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**. 
33 33  )))
34 34  
35 35  (((
... ... @@ -37,7 +37,7 @@
37 37  )))
38 38  
39 39  (((
40 -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.
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.
41 41  )))
42 42  
43 43  (((
... ... @@ -45,7 +45,7 @@
45 45  )))
46 46  
47 47  (((
48 -LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
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.
49 49  )))
50 50  
51 51  (((
... ... @@ -53,7 +53,7 @@
53 53  )))
54 54  
55 55  (((
56 -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.
58 +LDDS20 is powered by (% style="color:#4472c4" %)**8500mA Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
57 57  )))
58 58  
59 59  (((
... ... @@ -61,13 +61,24 @@
61 61  )))
62 62  
63 63  (((
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.
67 +)))
68 +
69 +(((
70 +
71 +)))
72 +)))
73 +
74 +(((
75 +(((
64 64  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
65 65  )))
66 66  )))
67 67  )))
80 +)))
68 68  
69 69  
70 -[[image:1654847051249-359.png]]
83 +[[image:1655255122126-327.png]]
71 71  
72 72  
73 73  
... ... @@ -75,9 +75,10 @@
75 75  
76 76  * LoRaWAN 1.0.3 Class A
77 77  * Ultra low power consumption
78 -* Distance Detection by Ultrasonic technology
79 -* Flat object range 280mm - 7500mm
80 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
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)
81 81  * Cable Length : 25cm
82 82  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
83 83  * AT Commands to change parameters
... ... @@ -84,69 +84,130 @@
84 84  * Uplink on periodically
85 85  * Downlink to change configure
86 86  * IP66 Waterproof Enclosure
87 -* 4000mAh or 8500mAh Battery for long term use
101 +* 8500mAh Battery for long term use
88 88  
89 -== 1.3  Specification ==
103 +== 1.3  Suitable Container & Liquid ==
90 90  
91 -=== 1.3.1  Rated environmental conditions ===
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.
92 92  
93 -[[image:image-20220610154839-1.png]]
112 +== 1.4  Mechanical ==
94 94  
95 -(((
96 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  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)**
97 -)))
114 +[[image:image-20220615090910-1.png]]
98 98  
99 99  
117 +[[image:image-20220615090910-2.png]]
100 100  
101 -=== 1.3.2  Effective measurement range Reference beam pattern ===
102 102  
103 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
104 104  
121 +== 1.5  Install LDDS20 ==
105 105  
106 106  
107 -[[image:1654852253176-749.png]]
124 +(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
108 108  
126 +LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
109 109  
128 +[[image:image-20220615091045-3.png]]
110 110  
111 -(((
112 -**(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.**
113 -)))
114 114  
115 115  
116 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
132 +(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
117 117  
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.
118 118  
136 +[[image:image-20220615092010-11.png]]
119 119  
120 -== 1.5 ​ Applications ==
121 121  
122 -* Horizontal distance measurement
123 -* Liquid level measurement
124 -* Parking management system
125 -* Object proximity and presence detection
126 -* Intelligent trash can management system
127 -* Robot obstacle avoidance
128 -* Automatic control
129 -* Sewer
130 -* Bottom water level monitoring
139 +No polish needed if the container is shine metal surface without paint or non-metal container.
131 131  
141 +[[image:image-20220615092044-12.png]]
132 132  
133 -== 1.6  Pin mapping and power on ==
134 134  
135 135  
136 -[[image:1654847583902-256.png]]
145 +(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
137 137  
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.
138 138  
139 139  
140 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
150 +It is necessary to put the coupling paste between the sensor and the container, otherwise LDDS20 won’t detect the liquid level.
141 141  
152 +[[image:1655256160324-178.png]][[image:image-20220615092327-13.png]]
153 +
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.
156 +
157 +
158 +(% style="color:red" %)**LED Status:**
159 +
160 +* Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
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.
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 +
167 +
168 +(% style="color:red" %)**Note 2:**
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.
171 +
172 +
173 +
174 +(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175 +
176 +Prepare Eproxy AB glue.
177 +
178 +Put Eproxy AB glue in the sensor and press it hard on the container installation point.
179 +
180 +Reset LDDS20 and see if the BLUE LED is slowly blinking.
181 +
182 +[[image:image-20220615091045-8.png||height="226" width="380"]] [[image:image-20220615091045-9.png||height="239" width="339"]]
183 +
184 +
185 +(% style="color:red" %)**Note 1:**
186 +
187 +Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
188 +
189 +
190 +(% style="color:red" %)**Note 2:**
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 +
194 +
195 +
196 +== 1.6 ​ Applications ==
197 +
198 +* Smart liquid control solution.
199 +* Smart liquefied gas solution.
200 +
201 +== 1.7  Precautions ==
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.
206 +
207 +== 1.8  Pin mapping and power on ==
208 +
209 +
210 +[[image:1655257026882-201.png]]
211 +
212 +
213 +
214 += 2.  Configure LDDS20 to connect to LoRaWAN network =
215 +
216 +
142 142  == 2.1  How it works ==
143 143  
144 144  (((
145 -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
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.
146 146  )))
147 147  
148 148  (((
149 -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.
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.
150 150  )))
151 151  
152 152  
... ... @@ -158,7 +158,7 @@
158 158  )))
159 159  
160 160  (((
161 -[[image:1654848616367-242.png]]
236 +[[image:1655257698953-697.png]]
162 162  )))
163 163  
164 164  (((
... ... @@ -166,11 +166,13 @@
166 166  )))
167 167  
168 168  (((
169 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
244 +
245 +
246 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
170 170  )))
171 171  
172 172  (((
173 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
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.
174 174  )))
175 175  
176 176  [[image:image-20220607170145-1.jpeg]]
... ... @@ -185,6 +185,8 @@
185 185  )))
186 186  
187 187  (((
265 +
266 +
188 188  **Add APP EUI in the application**
189 189  )))
190 190  
... ... @@ -198,6 +198,7 @@
198 198  [[image:image-20220610161353-7.png]]
199 199  
200 200  
280 +
201 201  You can also choose to create the device manually.
202 202  
203 203   [[image:image-20220610161538-8.png]]
... ... @@ -210,16 +210,17 @@
210 210  
211 211  
212 212  
213 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
293 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
214 214  
215 215  
216 216  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
217 217  
218 -[[image:image-20220610161724-10.png]]
298 +[[image:image-20220615095102-14.png]]
219 219  
220 220  
301 +
221 221  (((
222 -(% 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.
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.
223 223  )))
224 224  
225 225  [[image:1654849068701-275.png]]
... ... @@ -230,12 +230,10 @@
230 230  
231 231  (((
232 232  (((
233 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
234 -)))
314 +LDDS20 will uplink payload via LoRaWAN with below payload format: 
235 235  
236 -(((
237 -Uplink payload includes in total 4 bytes.
238 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
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).
239 239  )))
240 240  )))
241 241  
... ... @@ -262,7 +262,7 @@
262 262  === 2.3.1  Battery Info ===
263 263  
264 264  
265 -Check the battery voltage for LDDS75.
344 +Check the battery voltage for LDDS20.
266 266  
267 267  Ex1: 0x0B45 = 2885mV
268 268  
... ... @@ -273,22 +273,19 @@
273 273  === 2.3.2  Distance ===
274 274  
275 275  (((
276 -Get the distance. Flat object range 280mm - 7500mm.
355 +Get the distance. Flat object range 20mm - 2000mm.
277 277  )))
278 278  
279 279  (((
280 -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.**
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.**
281 281  )))
282 282  
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.
283 283  
284 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
285 -* 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.
286 -
287 -
288 -
289 289  === 2.3.3  Interrupt Pin ===
290 290  
291 -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.
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.
292 292  
293 293  **Example:**
294 294  
... ... @@ -334,546 +334,109 @@
334 334  The payload decoder function for TTN V3 is here:
335 335  
336 336  (((
337 -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/]]
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/]]
338 338  )))
339 339  
340 340  
341 341  
342 -== 2.4  Uplink Interval ==
418 +== 2.4  Downlink Payload ==
343 343  
344 -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"]]
420 +By default, LDDS20 prints the downlink payload to console port.
345 345  
422 +[[image:image-20220615100930-15.png]]
346 346  
347 347  
348 -== 2.5  ​Show Data in DataCake IoT Server ==
425 +**Examples:**
349 349  
350 -(((
351 -[[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:
352 -)))
353 353  
354 -(((
355 -
356 -)))
428 +* (% style="color:blue" %)**Set TDC**
357 357  
358 -(((
359 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
360 -)))
430 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
361 361  
362 -(((
363 -(% 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:**
364 -)))
432 +Payload:    01 00 00 1E    TDC=30S
365 365  
434 +Payload:    01 00 00 3C    TDC=60S
366 366  
367 -[[image:1654592790040-760.png]]
368 368  
437 +* (% style="color:blue" %)**Reset**
369 369  
370 -[[image:1654592800389-571.png]]
439 +If payload = 0x04FF, it will reset the LDDS20
371 371  
372 372  
373 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
442 +* (% style="color:blue" %)**CFM**
374 374  
375 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
444 +Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
376 376  
377 -[[image:1654851029373-510.png]]
378 378  
379 379  
380 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
448 +== 2.5  ​Show Data in DataCake IoT Server ==
381 381  
382 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
383 -
384 -
385 -
386 -== 2.6  Frequency Plans ==
387 -
388 388  (((
389 -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.
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:
390 390  )))
391 391  
392 -
393 -
394 -=== 2.6.1  EU863-870 (EU868) ===
395 -
396 396  (((
397 -(% style="color:blue" %)**Uplink:**
398 -)))
399 -
400 -(((
401 -868.1 - SF7BW125 to SF12BW125
402 -)))
403 -
404 -(((
405 -868.3 - SF7BW125 to SF12BW125 and SF7BW250
406 -)))
407 -
408 -(((
409 -868.5 - SF7BW125 to SF12BW125
410 -)))
411 -
412 -(((
413 -867.1 - SF7BW125 to SF12BW125
414 -)))
415 -
416 -(((
417 -867.3 - SF7BW125 to SF12BW125
418 -)))
419 -
420 -(((
421 -867.5 - SF7BW125 to SF12BW125
422 -)))
423 -
424 -(((
425 -867.7 - SF7BW125 to SF12BW125
426 -)))
427 -
428 -(((
429 -867.9 - SF7BW125 to SF12BW125
430 -)))
431 -
432 -(((
433 -868.8 - FSK
434 -)))
435 -
436 -(((
437 437  
438 438  )))
439 439  
440 440  (((
441 -(% style="color:blue" %)**Downlink:**
459 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
442 442  )))
443 443  
444 444  (((
445 -Uplink channels 1-9 (RX1)
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:**
446 446  )))
447 447  
448 -(((
449 -869.525 - SF9BW125 (RX2 downlink only)
450 -)))
451 451  
467 +[[image:1654592790040-760.png]]
452 452  
453 453  
454 -=== 2.6.2  US902-928(US915) ===
470 +[[image:1654592800389-571.png]]
455 455  
456 -(((
457 -Used in USA, Canada and South America. Default use CHE=2
458 458  
459 -(% style="color:blue" %)**Uplink:**
473 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
460 460  
461 -903.9 - SF7BW125 to SF10BW125
475 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
462 462  
463 -904.1 - SF7BW125 to SF10BW125
477 +[[image:1654851029373-510.png]]
464 464  
465 -904.3 - SF7BW125 to SF10BW125
466 466  
467 -904.5 - SF7BW125 to SF10BW125
480 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
468 468  
469 -904.7 - SF7BW125 to SF10BW125
482 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
470 470  
471 -904.9 - SF7BW125 to SF10BW125
472 472  
473 -905.1 - SF7BW125 to SF10BW125
474 474  
475 -905.3 - SF7BW125 to SF10BW125
486 +== 2.6  LED Indicator ==
476 476  
488 +The LDDS20 has an internal LED which is to show the status of different state.
477 477  
478 -(% style="color:blue" %)**Downlink:**
479 479  
480 -923.3 - SF7BW500 to SF12BW500
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.
481 481  
482 -923.9 - SF7BW500 to SF12BW500
495 +Blink once when device transmit a packet.
483 483  
484 -924.5 - SF7BW500 to SF12BW500
485 485  
486 -925.1 - SF7BW500 to SF12BW500
487 487  
488 -925.7 - SF7BW500 to SF12BW500
499 +== 2.8  ​Firmware Change Log ==
489 489  
490 -926.3 - SF7BW500 to SF12BW500
491 491  
492 -926.9 - SF7BW500 to SF12BW500
493 -
494 -927.5 - SF7BW500 to SF12BW500
495 -
496 -923.3 - SF12BW500(RX2 downlink only)
497 -
498 -
499 -
500 -)))
501 -
502 -=== 2.6.3  CN470-510 (CN470) ===
503 -
504 504  (((
505 -Used in China, Default use CHE=1
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/]]
506 506  )))
507 507  
508 508  (((
509 -(% style="color:blue" %)**Uplink:**
510 -)))
511 -
512 -(((
513 -486.3 - SF7BW125 to SF12BW125
514 -)))
515 -
516 -(((
517 -486.5 - SF7BW125 to SF12BW125
518 -)))
519 -
520 -(((
521 -486.7 - SF7BW125 to SF12BW125
522 -)))
523 -
524 -(((
525 -486.9 - SF7BW125 to SF12BW125
526 -)))
527 -
528 -(((
529 -487.1 - SF7BW125 to SF12BW125
530 -)))
531 -
532 -(((
533 -487.3 - SF7BW125 to SF12BW125
534 -)))
535 -
536 -(((
537 -487.5 - SF7BW125 to SF12BW125
538 -)))
539 -
540 -(((
541 -487.7 - SF7BW125 to SF12BW125
542 -)))
543 -
544 -(((
545 545  
546 546  )))
547 547  
548 548  (((
549 -(% style="color:blue" %)**Downlink:**
511 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
550 550  )))
551 551  
552 -(((
553 -506.7 - SF7BW125 to SF12BW125
554 -)))
555 555  
556 -(((
557 -506.9 - SF7BW125 to SF12BW125
558 -)))
559 559  
560 -(((
561 -507.1 - SF7BW125 to SF12BW125
562 -)))
563 -
564 -(((
565 -507.3 - SF7BW125 to SF12BW125
566 -)))
567 -
568 -(((
569 -507.5 - SF7BW125 to SF12BW125
570 -)))
571 -
572 -(((
573 -507.7 - SF7BW125 to SF12BW125
574 -)))
575 -
576 -(((
577 -507.9 - SF7BW125 to SF12BW125
578 -)))
579 -
580 -(((
581 -508.1 - SF7BW125 to SF12BW125
582 -)))
583 -
584 -(((
585 -505.3 - SF12BW125 (RX2 downlink only)
586 -)))
587 -
588 -
589 -
590 -=== 2.6.4  AU915-928(AU915) ===
591 -
592 -(((
593 -Default use CHE=2
594 -
595 -(% style="color:blue" %)**Uplink:**
596 -
597 -916.8 - SF7BW125 to SF12BW125
598 -
599 -917.0 - SF7BW125 to SF12BW125
600 -
601 -917.2 - SF7BW125 to SF12BW125
602 -
603 -917.4 - SF7BW125 to SF12BW125
604 -
605 -917.6 - SF7BW125 to SF12BW125
606 -
607 -917.8 - SF7BW125 to SF12BW125
608 -
609 -918.0 - SF7BW125 to SF12BW125
610 -
611 -918.2 - SF7BW125 to SF12BW125
612 -
613 -
614 -(% style="color:blue" %)**Downlink:**
615 -
616 -923.3 - SF7BW500 to SF12BW500
617 -
618 -923.9 - SF7BW500 to SF12BW500
619 -
620 -924.5 - SF7BW500 to SF12BW500
621 -
622 -925.1 - SF7BW500 to SF12BW500
623 -
624 -925.7 - SF7BW500 to SF12BW500
625 -
626 -926.3 - SF7BW500 to SF12BW500
627 -
628 -926.9 - SF7BW500 to SF12BW500
629 -
630 -927.5 - SF7BW500 to SF12BW500
631 -
632 -923.3 - SF12BW500(RX2 downlink only)
633 -
634 -
635 -
636 -)))
637 -
638 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
639 -
640 -(((
641 -(% style="color:blue" %)**Default Uplink channel:**
642 -)))
643 -
644 -(((
645 -923.2 - SF7BW125 to SF10BW125
646 -)))
647 -
648 -(((
649 -923.4 - SF7BW125 to SF10BW125
650 -)))
651 -
652 -(((
653 -
654 -)))
655 -
656 -(((
657 -(% style="color:blue" %)**Additional Uplink Channel**:
658 -)))
659 -
660 -(((
661 -(OTAA mode, channel added by JoinAccept message)
662 -)))
663 -
664 -(((
665 -
666 -)))
667 -
668 -(((
669 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
670 -)))
671 -
672 -(((
673 -922.2 - SF7BW125 to SF10BW125
674 -)))
675 -
676 -(((
677 -922.4 - SF7BW125 to SF10BW125
678 -)))
679 -
680 -(((
681 -922.6 - SF7BW125 to SF10BW125
682 -)))
683 -
684 -(((
685 -922.8 - SF7BW125 to SF10BW125
686 -)))
687 -
688 -(((
689 -923.0 - SF7BW125 to SF10BW125
690 -)))
691 -
692 -(((
693 -922.0 - SF7BW125 to SF10BW125
694 -)))
695 -
696 -(((
697 -
698 -)))
699 -
700 -(((
701 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
702 -)))
703 -
704 -(((
705 -923.6 - SF7BW125 to SF10BW125
706 -)))
707 -
708 -(((
709 -923.8 - SF7BW125 to SF10BW125
710 -)))
711 -
712 -(((
713 -924.0 - SF7BW125 to SF10BW125
714 -)))
715 -
716 -(((
717 -924.2 - SF7BW125 to SF10BW125
718 -)))
719 -
720 -(((
721 -924.4 - SF7BW125 to SF10BW125
722 -)))
723 -
724 -(((
725 -924.6 - SF7BW125 to SF10BW125
726 -)))
727 -
728 -(((
729 -
730 -)))
731 -
732 -(((
733 -(% style="color:blue" %)**Downlink:**
734 -)))
735 -
736 -(((
737 -Uplink channels 1-8 (RX1)
738 -)))
739 -
740 -(((
741 -923.2 - SF10BW125 (RX2)
742 -)))
743 -
744 -
745 -
746 -=== 2.6.6  KR920-923 (KR920) ===
747 -
748 -(((
749 -(% style="color:blue" %)**Default channel:**
750 -)))
751 -
752 -(((
753 -922.1 - SF7BW125 to SF12BW125
754 -)))
755 -
756 -(((
757 -922.3 - SF7BW125 to SF12BW125
758 -)))
759 -
760 -(((
761 -922.5 - SF7BW125 to SF12BW125
762 -)))
763 -
764 -(((
765 -
766 -)))
767 -
768 -(((
769 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
770 -)))
771 -
772 -(((
773 -922.1 - SF7BW125 to SF12BW125
774 -)))
775 -
776 -(((
777 -922.3 - SF7BW125 to SF12BW125
778 -)))
779 -
780 -(((
781 -922.5 - SF7BW125 to SF12BW125
782 -)))
783 -
784 -(((
785 -922.7 - SF7BW125 to SF12BW125
786 -)))
787 -
788 -(((
789 -922.9 - SF7BW125 to SF12BW125
790 -)))
791 -
792 -(((
793 -923.1 - SF7BW125 to SF12BW125
794 -)))
795 -
796 -(((
797 -923.3 - SF7BW125 to SF12BW125
798 -)))
799 -
800 -(((
801 -
802 -)))
803 -
804 -(((
805 -(% style="color:blue" %)**Downlink:**
806 -)))
807 -
808 -(((
809 -Uplink channels 1-7(RX1)
810 -)))
811 -
812 -(((
813 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
814 -)))
815 -
816 -
817 -
818 -=== 2.6.7  IN865-867 (IN865) ===
819 -
820 -(((
821 -(% style="color:blue" %)**Uplink:**
822 -)))
823 -
824 -(((
825 -865.0625 - SF7BW125 to SF12BW125
826 -)))
827 -
828 -(((
829 -865.4025 - SF7BW125 to SF12BW125
830 -)))
831 -
832 -(((
833 -865.9850 - SF7BW125 to SF12BW125
834 -)))
835 -
836 -(((
837 -
838 -)))
839 -
840 -(((
841 -(% style="color:blue" %)**Downlink:**
842 -)))
843 -
844 -(((
845 -Uplink channels 1-3 (RX1)
846 -)))
847 -
848 -(((
849 -866.550 - SF10BW125 (RX2)
850 -)))
851 -
852 -
853 -
854 -== 2.7  LED Indicator ==
855 -
856 -The LDDS75 has an internal LED which is to show the status of different state.
857 -
858 -
859 -* Blink once when device power on.
860 -* The device detects the sensor and flashes 5 times.
861 -* Solid ON for 5 seconds once device successful Join the network.
862 -* Blink once when device transmit a packet.
863 -
864 -
865 -
866 -
867 -== 2.8  ​Firmware Change Log ==
868 -
869 -
870 -**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/]]
871 -
872 -
873 -**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
874 -
875 -
876 -
877 877  == 2.9  Mechanical ==
878 878  
879 879  
... ... @@ -1014,7 +1014,9 @@
1014 1014  [[image:image-20220610172924-5.png]]
1015 1015  
1016 1016  
656 +(((
1017 1017  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 +)))
1018 1018  
1019 1019  
1020 1020   [[image:image-20220610172924-6.png||height="601" width="860"]]
... ... @@ -1038,16 +1038,19 @@
1038 1038  (((
1039 1039  Format: Command Code (0x01) followed by 3 bytes time value.
1040 1040  
682 +(((
1041 1041  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
684 +)))
1042 1042  
1043 1043  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1044 1044  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1045 1045  )))
689 +)))
1046 1046  
1047 1047  
1048 -
1049 -)))
1050 1050  
693 +
694 +
1051 1051  == 3.3  Set Interrupt Mode ==
1052 1052  
1053 1053  Feature, Set Interrupt mode for GPIO_EXIT.
... ... @@ -1061,7 +1061,9 @@
1061 1061  
1062 1062  Format: Command Code (0x06) followed by 3 bytes.
1063 1063  
708 +(((
1064 1064  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 +)))
1065 1065  
1066 1066  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1067 1067  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
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