Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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... ... @@ -54,7 +54,6 @@ 54 54 * IP66 Waterproof Enclosure 55 55 * 4000mAh or 8500mAh Battery for long term use 56 56 57 - 58 58 == 1.3 Specification == 59 59 60 60 Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height. ... ... @@ -67,8 +67,10 @@ 67 67 68 68 * Smart Agriculture 69 69 69 +(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %) 70 + 70 70 71 -== 1.5 Firmware Change log ==72 +== 1.5 Firmware Change log == 72 72 73 73 74 74 **LSE01 v1.0 :** Release ... ... @@ -79,19 +79,22 @@ 79 79 80 80 == 2.1 How it works == 81 81 83 +((( 82 82 The LSE01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSE0150. It will automatically join the network via OTAA and start to send the sensor value 85 +))) 83 83 87 +((( 88 +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.UsingtheATCommands"]]. 89 +))) 84 84 85 -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 >>path:#_Using_the_AT]]to set the keys in the LSE01. 86 86 87 87 88 - 89 89 == 2.2 Quick guide to connect to LoRaWAN server (OTAA) == 90 90 91 91 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. 92 92 93 93 94 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]98 +[[image:1654503992078-669.png]] 95 95 96 96 97 97 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. ... ... @@ -101,27 +101,22 @@ 101 101 102 102 Each LSE01 is shipped with a sticker with the default device EUI as below: 103 103 108 +[[image:image-20220606163732-6.jpeg]] 104 104 105 - 106 - 107 107 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot: 108 108 109 - 110 110 **Add APP EUI in the application** 111 111 112 112 113 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]115 +[[image:1654504596150-405.png]] 114 114 115 115 116 116 117 117 **Add APP KEY and DEV EUI** 118 118 121 +[[image:1654504683289-357.png]] 119 119 120 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]] 121 121 122 -|((( 123 - 124 -))) 125 125 126 126 **Step 2**: Power on LSE01 127 127 ... ... @@ -128,28 +128,18 @@ 128 128 129 129 Put a Jumper on JP2 to power on the device. ( The Jumper must be in FLASH position). 130 130 130 +[[image:image-20220606163915-7.png]] 131 131 132 132 133 -|((( 134 - 135 -))) 136 - 137 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]] 138 - 139 - 140 - 141 - 142 - 143 143 **Step 3:** The LSE01 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. 144 144 145 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]135 +[[image:1654504778294-788.png]] 146 146 147 147 148 148 139 +== 2.3 Uplink Payload == 149 149 150 -1. 151 -11. Uplink Payload 152 -111. MOD=0(Default Mode) 141 +=== 2.3.1 MOD~=0(Default Mode) === 153 153 154 154 LSE01 will uplink payload via LoRaWAN with below payload format: 155 155 ... ... @@ -172,13 +172,12 @@ 172 172 (Optional) 173 173 ))) 174 174 175 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]164 +[[image:1654504881641-514.png]] 176 176 177 177 178 -1. 179 -11. 180 -111. MOD=1(Original value) 181 181 168 +=== 2.3.2 MOD~=1(Original value) === 169 + 182 182 This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation). 183 183 184 184 |((( ... ... @@ -196,12 +196,12 @@ 196 196 (Optional) 197 197 ))) 198 198 199 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]187 +[[image:1654504907647-967.png]] 200 200 201 -1. 202 -11. 203 -111. Battery Info 204 204 190 + 191 +=== 2.3.3 Battery Info === 192 + 205 205 Check the battery voltage for LSE01. 206 206 207 207 Ex1: 0x0B45 = 2885mV ... ... @@ -210,21 +210,19 @@ 210 210 211 211 212 212 213 -1. 214 -11. 215 -111. Soil Moisture 201 +=== 2.3.4 Soil Moisture === 216 216 217 217 Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil. 218 218 219 -For example, if the data you get from the register is 0x05 0xDC, the moisture content in the soil is 205 +For example, if the data you get from the register is __0x05 0xDC__, the moisture content in the soil is 220 220 221 -**05DC(H) = 1500(D) /100 = 15%.** 222 222 208 +(% style="color:#4f81bd" %)**05DC(H) = 1500(D) /100 = 15%.** 223 223 224 -1. 225 -11. 226 -111. Soil Temperature 227 227 211 + 212 +=== 2.3.5 Soil Temperature === 213 + 228 228 Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is 0x09 0xEC, the temperature content in the soil is 229 229 230 230 **Example**: ... ... @@ -234,21 +234,31 @@ 234 234 If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C 235 235 236 236 237 -1. 238 -11. 239 -111. Soil Conductivity (EC) 240 240 241 - Obtainsolublesalt concentration in soil or soluble iononcentration in liquid fertilizer or planting medium,. Thevalue range of the registeris 0 - 20000(Decimal)(Can be greater than 20000).224 +=== 2.3.6 Soil Conductivity (EC) === 242 242 226 +((( 227 +Obtain (% style="color:#4f81bd" %)**__soluble salt concentration__**(%%) in soil or (% style="color:#4f81bd" %)**__soluble ion concentration in liquid fertilizer__**(%%) or (% style="color:#4f81bd" %)**__planting medium__**(%%). The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000). 228 +))) 229 + 230 +((( 243 243 For example, if the data you get from the register is 0x00 0xC8, the soil conductivity is 00C8(H) = 200(D) = 200 uS/cm. 232 +))) 244 244 245 - 234 +((( 246 246 Generally, the EC value of irrigation water is less than 800uS / cm. 236 +))) 247 247 248 - 1.249 - 11.250 - 111. MOD238 +((( 239 + 240 +))) 251 251 242 +((( 243 + 244 +))) 245 + 246 +=== 2.3.7 MOD === 247 + 252 252 Firmware version at least v2.1 supports changing mode. 253 253 254 254 For example, bytes[10]=90 ... ... @@ -263,14 +263,13 @@ 263 263 If** **payload =** **0x0A01, workmode=1 264 264 265 265 266 -1. 267 -11. 268 -111. Decode payload in The Things Network 269 269 263 +=== 2.3.8 Decode payload in The Things Network === 264 + 270 270 While using TTN network, you can add the payload format to decode the payload. 271 271 272 272 273 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]268 +[[image:1654505570700-128.png]] 274 274 275 275 The payload decoder function for TTN is here: 276 276 ... ... @@ -277,30 +277,26 @@ 277 277 LSE01 TTN Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]] 278 278 279 279 280 -1. 281 -11. Uplink Interval 275 +== 2.4 Uplink Interval == 282 282 283 283 The LSE01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: 284 284 285 285 [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]] 286 286 287 -1. 288 -11. Downlink Payload 289 289 282 + 283 +== 2.5 Downlink Payload == 284 + 290 290 By default, LSE50 prints the downlink payload to console port. 291 291 292 -|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)** 293 -|TDC (Transmit Time Interval)|Any|01|4 294 -|RESET|Any|04|2 295 -|AT+CFM|Any|05|4 296 -|INTMOD|Any|06|4 297 -|MOD|Any|0A|2 287 +[[image:image-20220606165544-8.png]] 298 298 299 -**Examples** 300 300 290 +**Examples:** 301 301 302 -**Set TDC** 303 303 293 +* **Set TDC** 294 + 304 304 If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), while type code is 01. 305 305 306 306 Payload: 01 00 00 1E TDC=30S ... ... @@ -308,18 +308,19 @@ 308 308 Payload: 01 00 00 3C TDC=60S 309 309 310 310 311 -**Reset** 302 +* **Reset** 312 312 313 313 If payload = 0x04FF, it will reset the LSE01 314 314 315 315 316 -**CFM** 307 +* **CFM** 317 317 318 318 Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0 319 319 320 -1. 321 -11. Show Data in DataCake IoT Server 322 322 312 + 313 +== 2.6 Show Data in DataCake IoT Server == 314 + 323 323 [[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: 324 324 325 325 ... ... @@ -328,42 +328,34 @@ 328 328 **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: 329 329 330 330 331 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]323 +[[image:1654505857935-743.png]] 332 332 333 333 334 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]326 +[[image:1654505874829-548.png]] 335 335 336 - 337 - 338 - 339 - 340 340 Step 3: Create an account or log in Datacake. 341 341 342 342 Step 4: Search the LSE01 and add DevEUI. 343 343 344 344 345 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]333 +[[image:1654505905236-553.png]] 346 346 347 347 348 - 349 349 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 350 350 338 +[[image:1654505925508-181.png]] 351 351 352 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]] 353 353 354 354 342 +== 2.7 Frequency Plans == 355 355 356 -1. 357 -11. Frequency Plans 358 - 359 359 The LSE01 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. 360 360 361 -1. 362 -11. 363 -111. EU863-870 (EU868) 364 364 365 -U plink:347 +=== 2.7.1 EU863-870 (EU868) === 366 366 349 +(% style="color:#037691" %)** Uplink:** 350 + 367 367 868.1 - SF7BW125 to SF12BW125 368 368 369 369 868.3 - SF7BW125 to SF12BW125 and SF7BW250 ... ... @@ -383,7 +383,7 @@ 383 383 868.8 - FSK 384 384 385 385 386 -Downlink: 370 +(% style="color:#037691" %)** Downlink:** 387 387 388 388 Uplink channels 1-9 (RX1) 389 389 ... ... @@ -390,13 +390,12 @@ 390 390 869.525 - SF9BW125 (RX2 downlink only) 391 391 392 392 393 -1. 394 -11. 395 -111. US902-928(US915) 396 396 378 +=== 2.7.2 US902-928(US915) === 379 + 397 397 Used in USA, Canada and South America. Default use CHE=2 398 398 399 -Uplink: 382 +(% style="color:#037691" %)**Uplink:** 400 400 401 401 903.9 - SF7BW125 to SF10BW125 402 402 ... ... @@ -415,7 +415,7 @@ 415 415 905.3 - SF7BW125 to SF10BW125 416 416 417 417 418 -Downlink: 401 +(% style="color:#037691" %)**Downlink:** 419 419 420 420 923.3 - SF7BW500 to SF12BW500 421 421 ... ... @@ -436,13 +436,12 @@ 436 436 923.3 - SF12BW500(RX2 downlink only) 437 437 438 438 439 -1. 440 -11. 441 -111. CN470-510 (CN470) 442 442 423 +=== 2.7.3 CN470-510 (CN470) === 424 + 443 443 Used in China, Default use CHE=1 444 444 445 -Uplink: 427 +(% style="color:#037691" %)**Uplink:** 446 446 447 447 486.3 - SF7BW125 to SF12BW125 448 448 ... ... @@ -461,7 +461,7 @@ 461 461 487.7 - SF7BW125 to SF12BW125 462 462 463 463 464 -Downlink: 446 +(% style="color:#037691" %)**Downlink:** 465 465 466 466 506.7 - SF7BW125 to SF12BW125 467 467 ... ... @@ -482,13 +482,12 @@ 482 482 505.3 - SF12BW125 (RX2 downlink only) 483 483 484 484 485 -1. 486 -11. 487 -111. AU915-928(AU915) 488 488 468 +=== 2.7.4 AU915-928(AU915) === 469 + 489 489 Default use CHE=2 490 490 491 -Uplink: 472 +(% style="color:#037691" %)**Uplink:** 492 492 493 493 916.8 - SF7BW125 to SF12BW125 494 494 ... ... @@ -507,7 +507,7 @@ 507 507 918.2 - SF7BW125 to SF12BW125 508 508 509 509 510 -Downlink: 491 +(% style="color:#037691" %)**Downlink:** 511 511 512 512 923.3 - SF7BW500 to SF12BW500 513 513 ... ... @@ -527,22 +527,22 @@ 527 527 528 528 923.3 - SF12BW500(RX2 downlink only) 529 529 530 -1. 531 -11. 532 -111. AS920-923 & AS923-925 (AS923) 533 533 534 -**Default Uplink channel:** 535 535 513 +=== 2.7.5 AS920-923 & AS923-925 (AS923) === 514 + 515 +(% style="color:#037691" %)**Default Uplink channel:** 516 + 536 536 923.2 - SF7BW125 to SF10BW125 537 537 538 538 923.4 - SF7BW125 to SF10BW125 539 539 540 540 541 -**Additional Uplink Channel**: 522 +(% style="color:#037691" %)**Additional Uplink Channel**: 542 542 543 543 (OTAA mode, channel added by JoinAccept message) 544 544 545 -**AS920~~AS923 for Japan, Malaysia, Singapore**: 526 +(% style="color:#037691" %)**AS920~~AS923 for Japan, Malaysia, Singapore**: 546 546 547 547 922.2 - SF7BW125 to SF10BW125 548 548 ... ... @@ -557,7 +557,7 @@ 557 557 922.0 - SF7BW125 to SF10BW125 558 558 559 559 560 -**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**: 541 +(% style="color:#037691" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**: 561 561 562 562 923.6 - SF7BW125 to SF10BW125 563 563 ... ... @@ -572,18 +572,16 @@ 572 572 924.6 - SF7BW125 to SF10BW125 573 573 574 574 556 +(% style="color:#037691" %)** Downlink:** 575 575 576 -**Downlink:** 577 - 578 578 Uplink channels 1-8 (RX1) 579 579 580 580 923.2 - SF10BW125 (RX2) 581 581 582 582 583 -1. 584 -11. 585 -111. KR920-923 (KR920) 586 586 564 +=== 2.7.6 KR920-923 (KR920) === 565 + 587 587 Default channel: 588 588 589 589 922.1 - SF7BW125 to SF12BW125 ... ... @@ -593,7 +593,7 @@ 593 593 922.5 - SF7BW125 to SF12BW125 594 594 595 595 596 -Uplink: (OTAA mode, channel added by JoinAccept message) 575 +(% style="color:#037691" %)**Uplink: (OTAA mode, channel added by JoinAccept message)** 597 597 598 598 922.1 - SF7BW125 to SF12BW125 599 599 ... ... @@ -610,7 +610,7 @@ 610 610 923.3 - SF7BW125 to SF12BW125 611 611 612 612 613 -Downlink: 592 +(% style="color:#037691" %)**Downlink:** 614 614 615 615 Uplink channels 1-7(RX1) 616 616 ... ... @@ -617,12 +617,11 @@ 617 617 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 618 618 619 619 620 -1. 621 -11. 622 -111. IN865-867 (IN865) 623 623 624 - Uplink:600 +=== 2.7.7 IN865-867 (IN865) === 625 625 602 +(% style="color:#037691" %)** Uplink:** 603 + 626 626 865.0625 - SF7BW125 to SF12BW125 627 627 628 628 865.4025 - SF7BW125 to SF12BW125 ... ... @@ -630,7 +630,7 @@ 630 630 865.9850 - SF7BW125 to SF12BW125 631 631 632 632 633 -Downlink: 611 +(% style="color:#037691" %) **Downlink:** 634 634 635 635 Uplink channels 1-3 (RX1) 636 636 ... ... @@ -637,110 +637,130 @@ 637 637 866.550 - SF10BW125 (RX2) 638 638 639 639 640 -1. 641 -11. LED Indicator 642 642 643 -The LSE01 has an internal LED which is to show the status of different state. 644 644 620 +== 2.8 LED Indicator == 645 645 622 +The LSE01 has an internal LED which is to show the status of different state. 623 + 646 646 * Blink once when device power on. 647 647 * Solid ON for 5 seconds once device successful Join the network. 648 648 * Blink once when device transmit a packet. 649 649 650 -1. 651 -11. Installation in Soil 652 652 629 +== 2.9 Installation in Soil == 630 + 653 653 **Measurement the soil surface** 654 654 655 655 656 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]] 634 +[[image:1654506634463-199.png]] 657 657 636 +((( 637 +((( 658 658 Choose the proper measuring position. Avoid the probe to touch rocks or hard things. Split the surface soil according to the measured deep. Keep the measured as original density. Vertical insert the probe into the soil to be measured. Make sure not shake when inserting. 639 +))) 640 +))) 659 659 660 660 661 661 644 +[[image:1654506665940-119.png]] 662 662 663 - 664 - 665 - 666 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]] 667 - 668 - 669 - 646 +((( 670 670 Dig a hole with diameter > 20CM. 648 +))) 671 671 650 +((( 672 672 Horizontal insert the probe to the soil and fill the hole for long term measurement. 652 +))) 673 673 674 674 655 +== 2.10 Firmware Change Log == 675 675 676 - 677 -1. 678 -11. Firmware Change Log 679 - 657 +((( 680 680 **Firmware download link:** 659 +))) 681 681 661 +((( 682 682 [[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/]] 663 +))) 683 683 665 +((( 666 + 667 +))) 684 684 685 -**Firmware Upgrade Method:** 669 +((( 670 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 671 +))) 686 686 687 -[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction]] 673 +((( 674 + 675 +))) 688 688 689 - 677 +((( 690 690 **V1.0.** 679 +))) 691 691 681 +((( 692 692 Release 683 +))) 693 693 694 694 686 +== 2.11 Battery Analysis == 695 695 696 -1. 697 -11. Battery Analysis 698 -111. Battery Type 688 +=== 2.11.1 Battery Type === 699 699 690 +((( 700 700 The LSE01 battery is a combination of a 4000mAh 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. 692 +))) 701 701 702 - 694 +((( 703 703 The battery is designed to last for more than 5 years for the LSN50. 696 +))) 704 704 698 +((( 699 +((( 700 +The battery-related documents are as below: 701 +))) 702 +))) 705 705 706 -The battery related documents as below: 707 - 708 -* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 709 -* [[Lithium-Thionyl Chloride Battery>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet-EN.pdf]] datasheet, [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet_PM-ER18505-S-02-LF_EN.pdf]] 710 -* [[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]] 711 - 712 -|((( 713 -JST-XH-2P connector 704 +* ((( 705 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 714 714 ))) 707 +* ((( 708 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 709 +))) 710 +* ((( 711 +[[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]] 712 +))) 715 715 716 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]714 + [[image:image-20220606171726-9.png]] 717 717 718 718 719 719 720 -1. 721 -11. 722 -111. Battery Note 718 +=== 2.11.2 Battery Note === 723 723 720 +((( 724 724 The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 722 +))) 725 725 726 726 727 -1. 728 -11. 729 -111. Replace the battery 730 730 726 +=== 2.11.3 Replace the battery === 727 + 728 +((( 731 731 If Battery is lower than 2.7v, user should replace the battery of LSE01. 730 +))) 732 732 733 - 732 +((( 734 734 You can change the battery in the LSE01.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. 734 +))) 735 735 736 - 736 +((( 737 737 The default battery pack of LSE01 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) 738 +))) 738 738 739 739 740 740 741 - 742 - 743 - 744 744 = 3. Using the AT Commands = 745 745 746 746 == 3.1 Access AT Commands ==
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