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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 174.7
edited by Xiaoling
on 2022/06/15 10:34
Change comment: There is no comment for this version
To version 160.1
edited by Xiaoling
on 2022/06/15 09:10
Change comment: Uploaded new attachment "image-20220615091045-5.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -100,6 +100,8 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 +
104 +
103 103  == 1.3  Suitable Container & Liquid ==
104 104  
105 105  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -109,6 +109,8 @@
109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
111 111  
114 +
115 +
112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
... ... @@ -118,110 +118,35 @@
118 118  
119 119  
120 120  
121 -== 1.5  Install LDDS20 ==
125 +== 1.5 ​ Applications ==
122 122  
127 +* Horizontal distance measurement
128 +* Liquid level measurement
129 +* Parking management system
130 +* Object proximity and presence detection
131 +* Intelligent trash can management system
132 +* Robot obstacle avoidance
133 +* Automatic control
134 +* Sewer
135 +* Bottom water level monitoring
123 123  
124 -(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
137 +== 1.6  Pin mapping and power on ==
125 125  
126 -LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
127 127  
128 -[[image:image-20220615091045-3.png]]
140 +[[image:1654847583902-256.png]]
129 129  
130 130  
131 131  
132 -(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
144 += 2.  Configure LDDS75 to connect to LoRaWAN network =
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 -
136 -[[image:image-20220615092010-11.png]]
137 -
138 -
139 -No polish needed if the container is shine metal surface without paint or non-metal container.
140 -
141 -[[image:image-20220615092044-12.png]]
142 -
143 -
144 -
145 -(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
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 -
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 -
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 -
217 217  == 2.1  How it works ==
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.
149 +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
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.
153 +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.
225 225  )))
226 226  
227 227  
... ... @@ -233,7 +233,7 @@
233 233  )))
234 234  
235 235  (((
236 -[[image:1655257698953-697.png]]
165 +[[image:1654848616367-242.png]]
237 237  )))
238 238  
239 239  (((
... ... @@ -243,11 +243,11 @@
243 243  (((
244 244  
245 245  
246 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
175 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
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.
179 +Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
251 251  )))
252 252  
253 253  [[image:image-20220607170145-1.jpeg]]
... ... @@ -277,7 +277,6 @@
277 277  [[image:image-20220610161353-7.png]]
278 278  
279 279  
280 -
281 281  You can also choose to create the device manually.
282 282  
283 283   [[image:image-20220610161538-8.png]]
... ... @@ -290,17 +290,16 @@
290 290  
291 291  
292 292  
293 -(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
221 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
294 294  
295 295  
296 296  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
297 297  
298 -[[image:image-20220615095102-14.png]]
226 +[[image:image-20220610161724-10.png]]
299 299  
300 300  
301 -
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.
230 +(% 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.
304 304  )))
305 305  
306 306  [[image:1654849068701-275.png]]
... ... @@ -311,10 +311,12 @@
311 311  
312 312  (((
313 313  (((
314 -LDDS20 will uplink payload via LoRaWAN with below payload format: 
241 +LDDS75 will uplink payload via LoRaWAN with below payload format: 
242 +)))
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).
244 +(((
245 +Uplink payload includes in total 4 bytes.
246 +Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
318 318  )))
319 319  )))
320 320  
... ... @@ -341,7 +341,7 @@
341 341  === 2.3.1  Battery Info ===
342 342  
343 343  
344 -Check the battery voltage for LDDS20.
273 +Check the battery voltage for LDDS75.
345 345  
346 346  Ex1: 0x0B45 = 2885mV
347 347  
... ... @@ -352,21 +352,20 @@
352 352  === 2.3.2  Distance ===
353 353  
354 354  (((
355 -Get the distance. Flat object range 20mm - 2000mm.
284 +Get the distance. Flat object range 280mm - 7500mm.
356 356  )))
357 357  
358 358  (((
359 -For example, if the data you get from the register is __0x06 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0605(H) = 1541 (D) = 1541 mm.**
288 +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.**
360 360  )))
361 361  
362 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
292 +* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
293 +* 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.
365 365  
366 -
367 367  === 2.3.3  Interrupt Pin ===
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.
297 +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.
370 370  
371 371  **Example:**
372 372  
... ... @@ -412,164 +412,599 @@
412 412  The payload decoder function for TTN V3 is here:
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/]]
343 +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/]]
416 416  )))
417 417  
418 418  
419 419  
420 -== 2.4  Downlink Payload ==
348 +== 2.4  Uplink Interval ==
421 421  
422 -By default, LDDS20 prints the downlink payload to console port.
350 +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"]]
423 423  
424 -[[image:image-20220615100930-15.png]]
425 425  
426 426  
427 -**Examples:**
354 +== 2.5  ​Show Data in DataCake IoT Server ==
428 428  
356 +(((
357 +[[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:
358 +)))
429 429  
430 -* (% style="color:blue" %)**Set TDC**
360 +(((
361 +
362 +)))
431 431  
432 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
364 +(((
365 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
366 +)))
433 433  
434 -Payload:    01 00 00 1E    TDC=30S
368 +(((
369 +(% 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:**
370 +)))
435 435  
436 -Payload:    01 00 00 3C    TDC=60S
437 437  
373 +[[image:1654592790040-760.png]]
438 438  
439 -* (% style="color:blue" %)**Reset**
440 440  
441 -If payload = 0x04FF, it will reset the LDDS20
376 +[[image:1654592800389-571.png]]
442 442  
443 443  
444 -* (% style="color:blue" %)**CFM**
379 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
445 445  
446 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
381 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
447 447  
383 +[[image:1654851029373-510.png]]
448 448  
449 449  
450 -== 2.5  ​Show Data in DataCake IoT Server ==
386 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
451 451  
388 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
389 +
390 +
391 +
392 +== 2.6  Frequency Plans ==
393 +
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:
395 +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.
454 454  )))
455 455  
398 +
399 +
400 +=== 2.6.1  EU863-870 (EU868) ===
401 +
456 456  (((
403 +(% style="color:blue" %)**Uplink:**
404 +)))
405 +
406 +(((
407 +868.1 - SF7BW125 to SF12BW125
408 +)))
409 +
410 +(((
411 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
412 +)))
413 +
414 +(((
415 +868.5 - SF7BW125 to SF12BW125
416 +)))
417 +
418 +(((
419 +867.1 - SF7BW125 to SF12BW125
420 +)))
421 +
422 +(((
423 +867.3 - SF7BW125 to SF12BW125
424 +)))
425 +
426 +(((
427 +867.5 - SF7BW125 to SF12BW125
428 +)))
429 +
430 +(((
431 +867.7 - SF7BW125 to SF12BW125
432 +)))
433 +
434 +(((
435 +867.9 - SF7BW125 to SF12BW125
436 +)))
437 +
438 +(((
439 +868.8 - FSK
440 +)))
441 +
442 +(((
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.**
447 +(% style="color:blue" %)**Downlink:**
462 462  )))
463 463  
464 464  (((
465 -(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
451 +Uplink channels 1-9 (RX1)
466 466  )))
467 467  
454 +(((
455 +869.525 - SF9BW125 (RX2 downlink only)
456 +)))
468 468  
469 -[[image:1654592790040-760.png]]
470 470  
471 471  
472 -[[image:1654592800389-571.png]]
460 +=== 2.6.2  US902-928(US915) ===
473 473  
462 +(((
463 +Used in USA, Canada and South America. Default use CHE=2
474 474  
475 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
465 +(% style="color:blue" %)**Uplink:**
476 476  
477 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
467 +903.9 - SF7BW125 to SF10BW125
478 478  
479 -[[image:1654851029373-510.png]]
469 +904.1 - SF7BW125 to SF10BW125
480 480  
471 +904.3 - SF7BW125 to SF10BW125
481 481  
482 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
473 +904.5 - SF7BW125 to SF10BW125
483 483  
484 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
475 +904.7 - SF7BW125 to SF10BW125
485 485  
477 +904.9 - SF7BW125 to SF10BW125
486 486  
479 +905.1 - SF7BW125 to SF10BW125
487 487  
488 -== 2.6  LED Indicator ==
481 +905.3 - SF7BW125 to SF10BW125
489 489  
490 -The LDDS20 has an internal LED which is to show the status of different state.
491 491  
484 +(% style="color:blue" %)**Downlink:**
492 492  
493 -* Blink once when device power on.
494 -* The device detects the sensor and flashes 5 times.
495 -* Solid ON for 5 seconds once device successful Join the network.
496 -* Blink once when device transmit a packet.
486 +923.3 - SF7BW500 to SF12BW500
497 497  
488 +923.9 - SF7BW500 to SF12BW500
498 498  
490 +924.5 - SF7BW500 to SF12BW500
499 499  
500 -== 2.7  ​Firmware Change Log ==
492 +925.1 - SF7BW500 to SF12BW500
501 501  
494 +925.7 - SF7BW500 to SF12BW500
502 502  
496 +926.3 - SF7BW500 to SF12BW500
497 +
498 +926.9 - SF7BW500 to SF12BW500
499 +
500 +927.5 - SF7BW500 to SF12BW500
501 +
502 +923.3 - SF12BW500(RX2 downlink only)
503 +
504 +
505 +
506 +)))
507 +
508 +=== 2.6.3  CN470-510 (CN470) ===
509 +
503 503  (((
504 -**Firmware download link:  **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
511 +Used in China, Default use CHE=1
505 505  )))
506 506  
507 507  (((
515 +(% style="color:blue" %)**Uplink:**
516 +)))
517 +
518 +(((
519 +486.3 - SF7BW125 to SF12BW125
520 +)))
521 +
522 +(((
523 +486.5 - SF7BW125 to SF12BW125
524 +)))
525 +
526 +(((
527 +486.7 - SF7BW125 to SF12BW125
528 +)))
529 +
530 +(((
531 +486.9 - SF7BW125 to SF12BW125
532 +)))
533 +
534 +(((
535 +487.1 - SF7BW125 to SF12BW125
536 +)))
537 +
538 +(((
539 +487.3 - SF7BW125 to SF12BW125
540 +)))
541 +
542 +(((
543 +487.5 - SF7BW125 to SF12BW125
544 +)))
545 +
546 +(((
547 +487.7 - SF7BW125 to SF12BW125
548 +)))
549 +
550 +(((
508 508  
509 509  )))
510 510  
511 511  (((
512 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
555 +(% style="color:blue" %)**Downlink:**
513 513  )))
514 514  
558 +(((
559 +506.7 - SF7BW125 to SF12BW125
560 +)))
515 515  
562 +(((
563 +506.9 - SF7BW125 to SF12BW125
564 +)))
516 516  
517 -== 2.8  Battery Analysis ==
566 +(((
567 +507.1 - SF7BW125 to SF12BW125
568 +)))
518 518  
570 +(((
571 +507.3 - SF7BW125 to SF12BW125
572 +)))
519 519  
574 +(((
575 +507.5 - SF7BW125 to SF12BW125
576 +)))
520 520  
578 +(((
579 +507.7 - SF7BW125 to SF12BW125
580 +)))
521 521  
522 -=== 2.8.1  Battery Type ===
582 +(((
583 +507.9 - SF7BW125 to SF12BW125
584 +)))
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.
586 +(((
587 +508.1 - SF7BW125 to SF12BW125
588 +)))
525 525  
590 +(((
591 +505.3 - SF12BW125 (RX2 downlink only)
592 +)))
526 526  
527 -The battery related documents as below:
528 528  
529 -* (((
530 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
595 +
596 +=== 2.6.4  AU915-928(AU915) ===
597 +
598 +(((
599 +Default use CHE=2
600 +
601 +(% style="color:blue" %)**Uplink:**
602 +
603 +916.8 - SF7BW125 to SF12BW125
604 +
605 +917.0 - SF7BW125 to SF12BW125
606 +
607 +917.2 - SF7BW125 to SF12BW125
608 +
609 +917.4 - SF7BW125 to SF12BW125
610 +
611 +917.6 - SF7BW125 to SF12BW125
612 +
613 +917.8 - SF7BW125 to SF12BW125
614 +
615 +918.0 - SF7BW125 to SF12BW125
616 +
617 +918.2 - SF7BW125 to SF12BW125
618 +
619 +
620 +(% style="color:blue" %)**Downlink:**
621 +
622 +923.3 - SF7BW500 to SF12BW500
623 +
624 +923.9 - SF7BW500 to SF12BW500
625 +
626 +924.5 - SF7BW500 to SF12BW500
627 +
628 +925.1 - SF7BW500 to SF12BW500
629 +
630 +925.7 - SF7BW500 to SF12BW500
631 +
632 +926.3 - SF7BW500 to SF12BW500
633 +
634 +926.9 - SF7BW500 to SF12BW500
635 +
636 +927.5 - SF7BW500 to SF12BW500
637 +
638 +923.3 - SF12BW500(RX2 downlink only)
639 +
640 +
641 +
531 531  )))
532 -* (((
533 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
643 +
644 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
645 +
646 +(((
647 +(% style="color:blue" %)**Default Uplink channel:**
534 534  )))
535 -* (((
536 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
649 +
650 +(((
651 +923.2 - SF7BW125 to SF10BW125
537 537  )))
538 538  
539 - [[image:image-20220615102527-16.png]]
654 +(((
655 +923.4 - SF7BW125 to SF10BW125
656 +)))
540 540  
658 +(((
659 +
660 +)))
541 541  
662 +(((
663 +(% style="color:blue" %)**Additional Uplink Channel**:
664 +)))
542 542  
543 -== 2.8.2  Battery Note ==
666 +(((
667 +(OTAA mode, channel added by JoinAccept message)
668 +)))
544 544  
545 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
670 +(((
671 +
672 +)))
546 546  
674 +(((
675 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
676 +)))
547 547  
678 +(((
679 +922.2 - SF7BW125 to SF10BW125
680 +)))
548 548  
549 -=== 2.8.3  Replace the battery ===
682 +(((
683 +922.4 - SF7BW125 to SF10BW125
684 +)))
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.
687 +922.6 - SF7BW125 to SF10BW125
553 553  )))
554 554  
555 555  (((
691 +922.8 - SF7BW125 to SF10BW125
692 +)))
693 +
694 +(((
695 +923.0 - SF7BW125 to SF10BW125
696 +)))
697 +
698 +(((
699 +922.0 - SF7BW125 to SF10BW125
700 +)))
701 +
702 +(((
556 556  
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)
707 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
561 561  )))
562 562  
710 +(((
711 +923.6 - SF7BW125 to SF10BW125
712 +)))
563 563  
714 +(((
715 +923.8 - SF7BW125 to SF10BW125
716 +)))
564 564  
565 -== 2.8.4  Battery Life Analyze ==
718 +(((
719 +924.0 - SF7BW125 to SF10BW125
720 +)))
566 566  
567 -Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
722 +(((
723 +924.2 - SF7BW125 to SF10BW125
724 +)))
568 568  
569 -[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
726 +(((
727 +924.4 - SF7BW125 to SF10BW125
728 +)))
570 570  
730 +(((
731 +924.6 - SF7BW125 to SF10BW125
732 +)))
571 571  
734 +(((
735 +
736 +)))
572 572  
738 +(((
739 +(% style="color:blue" %)**Downlink:**
740 +)))
741 +
742 +(((
743 +Uplink channels 1-8 (RX1)
744 +)))
745 +
746 +(((
747 +923.2 - SF10BW125 (RX2)
748 +)))
749 +
750 +
751 +
752 +=== 2.6.6  KR920-923 (KR920) ===
753 +
754 +(((
755 +(% style="color:blue" %)**Default channel:**
756 +)))
757 +
758 +(((
759 +922.1 - SF7BW125 to SF12BW125
760 +)))
761 +
762 +(((
763 +922.3 - SF7BW125 to SF12BW125
764 +)))
765 +
766 +(((
767 +922.5 - SF7BW125 to SF12BW125
768 +)))
769 +
770 +(((
771 +
772 +)))
773 +
774 +(((
775 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
776 +)))
777 +
778 +(((
779 +922.1 - SF7BW125 to SF12BW125
780 +)))
781 +
782 +(((
783 +922.3 - SF7BW125 to SF12BW125
784 +)))
785 +
786 +(((
787 +922.5 - SF7BW125 to SF12BW125
788 +)))
789 +
790 +(((
791 +922.7 - SF7BW125 to SF12BW125
792 +)))
793 +
794 +(((
795 +922.9 - SF7BW125 to SF12BW125
796 +)))
797 +
798 +(((
799 +923.1 - SF7BW125 to SF12BW125
800 +)))
801 +
802 +(((
803 +923.3 - SF7BW125 to SF12BW125
804 +)))
805 +
806 +(((
807 +
808 +)))
809 +
810 +(((
811 +(% style="color:blue" %)**Downlink:**
812 +)))
813 +
814 +(((
815 +Uplink channels 1-7(RX1)
816 +)))
817 +
818 +(((
819 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
820 +)))
821 +
822 +
823 +
824 +=== 2.6.7  IN865-867 (IN865) ===
825 +
826 +(((
827 +(% style="color:blue" %)**Uplink:**
828 +)))
829 +
830 +(((
831 +865.0625 - SF7BW125 to SF12BW125
832 +)))
833 +
834 +(((
835 +865.4025 - SF7BW125 to SF12BW125
836 +)))
837 +
838 +(((
839 +865.9850 - SF7BW125 to SF12BW125
840 +)))
841 +
842 +(((
843 +
844 +)))
845 +
846 +(((
847 +(% style="color:blue" %)**Downlink:**
848 +)))
849 +
850 +(((
851 +Uplink channels 1-3 (RX1)
852 +)))
853 +
854 +(((
855 +866.550 - SF10BW125 (RX2)
856 +)))
857 +
858 +
859 +
860 +== 2.7  LED Indicator ==
861 +
862 +The LDDS75 has an internal LED which is to show the status of different state.
863 +
864 +
865 +* Blink once when device power on.
866 +* The device detects the sensor and flashes 5 times.
867 +* Solid ON for 5 seconds once device successful Join the network.
868 +* Blink once when device transmit a packet.
869 +
870 +== 2.8  ​Firmware Change Log ==
871 +
872 +
873 +(((
874 +**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/]]
875 +)))
876 +
877 +(((
878 +
879 +)))
880 +
881 +(((
882 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
883 +)))
884 +
885 +
886 +
887 +== 2.9  Mechanical ==
888 +
889 +
890 +[[image:image-20220610172003-1.png]]
891 +
892 +
893 +[[image:image-20220610172003-2.png]]
894 +
895 +
896 +
897 +== 2.10  Battery Analysis ==
898 +
899 +=== 2.10.1  Battery Type ===
900 +
901 +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.
902 +
903 +
904 +The battery related documents as below:
905 +
906 +* (((
907 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
908 +)))
909 +* (((
910 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
911 +)))
912 +* (((
913 +[[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]]
914 +)))
915 +
916 + [[image:image-20220610172400-3.png]]
917 +
918 +
919 +
920 +=== 2.10.2  Replace the battery ===
921 +
922 +(((
923 +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.
924 +)))
925 +
926 +(((
927 +
928 +)))
929 +
930 +(((
931 +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)
932 +)))
933 +
934 +
935 +
573 573  = 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
574 574  
575 575  (((
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