Changes for page LA66 LoRaWAN Module User Manual
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... ... @@ -1,1 +1,1 @@ 1 -LA66 LoRaWAN Module User Manual1 +LA66 LoRaWAN Module - Author
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... ... @@ -53,7 +53,7 @@ 53 53 == 1.2 Features == 54 54 55 55 56 -* Support LoRaWAN v1.0. 3protocol56 +* Support LoRaWAN v1.0.4 protocol 57 57 * Support peer-to-peer protocol 58 58 * TCXO crystal to ensure RF performance on low temperature 59 59 * SMD Antenna pad and i-pex antenna connector ... ... @@ -65,6 +65,8 @@ 65 65 66 66 67 67 68 + 69 + 68 68 == 1.3 Specification == 69 69 70 70 ... ... @@ -88,16 +88,17 @@ 88 88 89 89 90 90 93 + 94 + 91 91 == 1.4 AT Command == 92 92 93 93 94 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in [[AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].98 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents. 95 95 96 96 97 97 98 98 == 1.5 Dimension == 99 99 100 - 101 101 [[image:image-20220718094750-3.png]] 102 102 103 103 ... ... @@ -115,74 +115,649 @@ 115 115 116 116 117 117 118 -= 2. FAQ=121 += 2. LA66 LoRaWAN Shield = 119 119 120 120 121 -== 2.1 How to CompileSourceCode for LA66?==124 +== 2.1 Overview == 122 122 123 123 124 -Compile and Upload Code to ASR6601 Platform:[[Instruction>>Compile and Upload Code to ASR6601 Platform]] 127 +((( 128 +[[image:image-20220715000826-2.png||height="145" width="220"]] 129 +))) 125 125 131 +((( 132 + 133 +))) 126 126 135 +((( 136 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to Arduino projects. 137 +))) 127 127 128 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? == 139 +((( 140 +((( 141 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol. 142 +))) 143 +))) 129 129 145 +((( 146 +((( 147 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 148 +))) 149 +))) 130 130 131 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces. 151 +((( 152 +((( 153 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application. 154 +))) 155 +))) 132 132 157 +((( 158 +((( 159 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 160 +))) 161 +))) 133 133 134 134 135 -== 2.3 Where to find Peer-to-Peer firmware of LA66? == 136 136 165 +== 2.2 Features == 137 137 138 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]] 139 139 168 +* Arduino Shield base on LA66 LoRaWAN module 169 +* Support LoRaWAN v1.0.4 protocol 170 +* Support peer-to-peer protocol 171 +* TCXO crystal to ensure RF performance on low temperature 172 +* SMA connector 173 +* Available in different frequency LoRaWAN frequency bands. 174 +* World-wide unique OTAA keys. 175 +* AT Command via UART-TTL interface 176 +* Firmware upgradable via UART interface 177 +* Ultra-long RF range 140 140 141 141 142 -= 3. Order Info = 143 143 144 144 145 -**Part Number:** (% style="color:blue" %)**LA66-XXX** 146 146 183 +== 2.3 Specification == 147 147 148 -(% style="color:blue" %)**XXX**(%%): The default frequency band 149 149 150 -* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 151 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 152 -* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 153 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 154 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 155 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 156 -* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 157 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 158 -* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 186 +* CPU: 32-bit 48 MHz 187 +* Flash: 256KB 188 +* RAM: 64KB 189 +* Input Power Range: 1.8v ~~ 3.7v 190 +* Power Consumption: < 4uA. 191 +* Frequency Range: 150 MHz ~~ 960 MHz 192 +* Maximum Power +22 dBm constant RF output 193 +* High sensitivity: -148 dBm 194 +* Temperature: 195 +** Storage: -55 ~~ +125℃ 196 +** Operating: -40 ~~ +85℃ 197 +* Humidity: 198 +** Storage: 5 ~~ 95% (Non-Condensing) 199 +** Operating: 10 ~~ 95% (Non-Condensing) 200 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 201 +* LoRa Rx current: <9 mA 202 +* I/O Voltage: 3.3v 159 159 160 160 161 161 162 162 163 -= 4. FCC Statement = 164 164 208 +== 2.4 LED == 165 165 166 -(% style="color:red" %)**FCC Caution:** 167 167 168 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 211 +~1. The LED lights up red when there is an upstream data packet 212 +2. When the network is successfully connected, the green light will be on for 5 seconds 213 +3. Purple light on when receiving downlink data packets 169 169 170 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 171 171 172 172 173 - (%style="color:red"%)**IMPORTANTNOTE:**217 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 174 174 175 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 176 176 177 - —Reorientor relocate the receivingantenna.220 +**Show connection diagram:** 178 178 179 -—Increase the separation between the equipment and receiver. 180 180 181 - —Connect the equipmentintoan outlet ona circuit different from thattowhichthe receiver is connected.223 +[[image:image-20220723170210-2.png||height="908" width="681"]] 182 182 183 -—Consult the dealer or an experienced radio/TV technician for help. 184 184 185 185 186 -(% style="color: red" %)**FCCRadiation ExposureStatement:**227 +(% style="color:blue" %)**1. open Arduino IDE** 187 187 188 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 229 + 230 +[[image:image-20220723170545-4.png]] 231 + 232 + 233 + 234 +(% style="color:blue" %)**2. Open project** 235 + 236 + 237 +LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]] 238 + 239 +[[image:image-20220726135239-1.png]] 240 + 241 + 242 +(% style="color:blue" %)**3. Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload** 243 + 244 +[[image:image-20220726135356-2.png]] 245 + 246 + 247 +(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 248 + 249 + 250 +[[image:image-20220723172235-7.png||height="480" width="1027"]] 251 + 252 + 253 + 254 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 255 + 256 + 257 +(% style="color:blue" %)**1. Open project** 258 + 259 + 260 +Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]] 261 + 262 + 263 +[[image:image-20220723172502-8.png]] 264 + 265 + 266 + 267 +(% style="color:blue" %)**2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets** 268 + 269 + 270 +[[image:image-20220723172938-9.png||height="652" width="1050"]] 271 + 272 + 273 + 274 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. == 275 + 276 + 277 +(% style="color:blue" %)**1. Open project** 278 + 279 + 280 +Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]] 281 + 282 + 283 +[[image:image-20220723173341-10.png||height="581" width="1014"]] 284 + 285 + 286 + 287 +(% style="color:blue" %)**2. Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets** 288 + 289 + 290 +[[image:image-20220723173950-11.png||height="665" width="1012"]] 291 + 292 + 293 + 294 +(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 295 + 296 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]] 297 + 298 +[[image:image-20220723175700-12.png||height="602" width="995"]] 299 + 300 + 301 + 302 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 303 + 304 + 305 +=== 2.8.1 Items needed for update === 306 + 307 + 308 +1. LA66 LoRaWAN Shield 309 +1. Arduino 310 +1. USB TO TTL Adapter 311 + 312 +[[image:image-20220602100052-2.png||height="385" width="600"]] 313 + 314 + 315 + 316 +=== 2.8.2 Connection === 317 + 318 + 319 +[[image:image-20220602101311-3.png||height="276" width="600"]] 320 + 321 + 322 +((( 323 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 324 +))) 325 + 326 +((( 327 +(% style="background-color:yellow" %)**GND <-> GND 328 +TXD <-> TXD 329 +RXD <-> RXD** 330 +))) 331 + 332 + 333 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 334 + 335 +Connect USB TTL Adapter to PC after connecting the wires 336 + 337 + 338 +[[image:image-20220602102240-4.png||height="304" width="600"]] 339 + 340 + 341 + 342 +=== 2.8.3 Upgrade steps === 343 + 344 + 345 +==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ==== 346 + 347 + 348 +[[image:image-20220602102824-5.png||height="306" width="600"]] 349 + 350 + 351 + 352 +==== (% style="color:blue" %)2. Press the RST switch once(%%) ==== 353 + 354 + 355 +[[image:image-20220602104701-12.png||height="285" width="600"]] 356 + 357 + 358 + 359 +==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ==== 360 + 361 + 362 +((( 363 +(% style="color:blue" %)**1. Software download link: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]** 364 +))) 365 + 366 + 367 +[[image:image-20220602103227-6.png]] 368 + 369 + 370 +[[image:image-20220602103357-7.png]] 371 + 372 + 373 + 374 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 375 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 376 + 377 + 378 +[[image:image-20220602103844-8.png]] 379 + 380 + 381 + 382 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 383 +(% style="color:blue" %)**3. Select the bin file to burn** 384 + 385 + 386 +[[image:image-20220602104144-9.png]] 387 + 388 + 389 +[[image:image-20220602104251-10.png]] 390 + 391 + 392 +[[image:image-20220602104402-11.png]] 393 + 394 + 395 + 396 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 397 +(% style="color:blue" %)**4. Click to start the download** 398 + 399 +[[image:image-20220602104923-13.png]] 400 + 401 + 402 + 403 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 404 +(% style="color:blue" %)**5. Check update process** 405 + 406 + 407 +[[image:image-20220602104948-14.png]] 408 + 409 + 410 + 411 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 412 +(% style="color:blue" %)**The following picture shows that the burning is successful** 413 + 414 +[[image:image-20220602105251-15.png]] 415 + 416 + 417 + 418 += 3. LA66 USB LoRaWAN Adapter = 419 + 420 + 421 +== 3.1 Overview == 422 + 423 + 424 +[[image:image-20220715001142-3.png||height="145" width="220"]] 425 + 426 + 427 +((( 428 +(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface. 429 +))) 430 + 431 +((( 432 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol. 433 +))) 434 + 435 +((( 436 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 437 +))) 438 + 439 +((( 440 +Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application. 441 +))) 442 + 443 +((( 444 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 445 +))) 446 + 447 + 448 + 449 +== 3.2 Features == 450 + 451 + 452 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 453 +* Ultra-long RF range 454 +* Support LoRaWAN v1.0.4 protocol 455 +* Support peer-to-peer protocol 456 +* TCXO crystal to ensure RF performance on low temperature 457 +* Spring RF antenna 458 +* Available in different frequency LoRaWAN frequency bands. 459 +* World-wide unique OTAA keys. 460 +* AT Command via UART-TTL interface 461 +* Firmware upgradable via UART interface 462 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 463 + 464 + 465 + 466 + 467 + 468 +== 3.3 Specification == 469 + 470 + 471 +* CPU: 32-bit 48 MHz 472 +* Flash: 256KB 473 +* RAM: 64KB 474 +* Input Power Range: 5v 475 +* Frequency Range: 150 MHz ~~ 960 MHz 476 +* Maximum Power +22 dBm constant RF output 477 +* High sensitivity: -148 dBm 478 +* Temperature: 479 +** Storage: -55 ~~ +125℃ 480 +** Operating: -40 ~~ +85℃ 481 +* Humidity: 482 +** Storage: 5 ~~ 95% (Non-Condensing) 483 +** Operating: 10 ~~ 95% (Non-Condensing) 484 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 485 +* LoRa Rx current: <9 mA 486 + 487 + 488 + 489 + 490 + 491 +== 3.4 Pin Mapping & LED == 492 + 493 + 494 + 495 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 496 + 497 + 498 +((( 499 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 500 +))) 501 + 502 + 503 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 504 + 505 + 506 +[[image:image-20220723100027-1.png]] 507 + 508 + 509 +Open the serial port tool 510 + 511 +[[image:image-20220602161617-8.png]] 512 + 513 +[[image:image-20220602161718-9.png||height="457" width="800"]] 514 + 515 + 516 + 517 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 518 + 519 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 520 + 521 + 522 +[[image:image-20220602161935-10.png||height="498" width="800"]] 523 + 524 + 525 + 526 +(% style="color:blue" %)**3. See Uplink Command** 527 + 528 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 529 + 530 +example: AT+SENDB=01,02,8,05820802581ea0a5 531 + 532 +[[image:image-20220602162157-11.png||height="497" width="800"]] 533 + 534 + 535 + 536 +(% style="color:blue" %)**4. Check to see if TTN received the message** 537 + 538 +[[image:image-20220602162331-12.png||height="420" width="800"]] 539 + 540 + 541 + 542 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 543 + 544 + 545 +**Use python as an example:**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]] 546 + 547 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]]) 548 + 549 +(% style="color:red" %)**Preconditions:** 550 + 551 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 552 + 553 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 554 + 555 + 556 + 557 +(% style="color:blue" %)**Steps for usage:** 558 + 559 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 560 + 561 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 562 + 563 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 564 + 565 + 566 + 567 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 568 + 569 + 570 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 571 + 572 + 573 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 574 + 575 +[[image:image-20220723100439-2.png]] 576 + 577 + 578 + 579 +(% style="color:blue" %)**2. Install Minicom in RPi.** 580 + 581 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 582 + 583 + (% style="background-color:yellow" %)**apt update** 584 + 585 + (% style="background-color:yellow" %)**apt install minicom** 586 + 587 + 588 +Use minicom to connect to the RPI's terminal 589 + 590 +[[image:image-20220602153146-3.png||height="439" width="500"]] 591 + 592 + 593 + 594 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 595 + 596 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 597 + 598 + 599 +[[image:image-20220602154928-5.png||height="436" width="500"]] 600 + 601 + 602 + 603 +(% style="color:blue" %)**4. Send Uplink message** 604 + 605 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 606 + 607 +example: AT+SENDB=01,02,8,05820802581ea0a5 608 + 609 + 610 +[[image:image-20220602160339-6.png||height="517" width="600"]] 611 + 612 + 613 + 614 +Check to see if TTN received the message 615 + 616 +[[image:image-20220602160627-7.png||height="369" width="800"]] 617 + 618 + 619 + 620 +== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. == 621 + 622 + 623 +=== 3.8.1 DRAGINO-LA66-APP === 624 + 625 + 626 +[[image:image-20220723102027-3.png]] 627 + 628 + 629 + 630 +==== (% style="color:blue" %)**Overview:**(%%) ==== 631 + 632 + 633 +((( 634 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter. 635 +))) 636 + 637 +((( 638 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 639 +))) 640 + 641 + 642 + 643 +==== (% style="color:blue" %)**Conditions of Use:**(%%) ==== 644 + 645 + 646 +Requires a type-c to USB adapter 647 + 648 +[[image:image-20220723104754-4.png]] 649 + 650 + 651 + 652 +==== (% style="color:blue" %)**Use of APP:**(%%) ==== 653 + 654 + 655 +Function and page introduction 656 + 657 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 658 + 659 + 660 +1.Display LA66 USB LoRaWAN Module connection status 661 + 662 +2.Check and reconnect 663 + 664 +3.Turn send timestamps on or off 665 + 666 +4.Display LoRaWan connection status 667 + 668 +5.Check LoRaWan connection status 669 + 670 +6.The RSSI value of the node when the ACK is received 671 + 672 +7.Node's Signal Strength Icon 673 + 674 +8.Set the packet sending interval of the node in seconds 675 + 676 +9.AT command input box 677 + 678 +10.Send AT command button 679 + 680 +11.Node log box 681 + 682 +12.clear log button 683 + 684 +13.exit button 685 + 686 + 687 +LA66 USB LoRaWAN Module not connected 688 + 689 +[[image:image-20220723110520-5.png||height="903" width="677"]] 690 + 691 + 692 + 693 +Connect LA66 USB LoRaWAN Module 694 + 695 +[[image:image-20220723110626-6.png||height="906" width="680"]] 696 + 697 + 698 + 699 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED === 700 + 701 + 702 +(% style="color:blue" %)**1. Register LA66 USB LoRaWAN Module to TTNV3** 703 + 704 +[[image:image-20220723134549-8.png]] 705 + 706 + 707 + 708 +(% style="color:blue" %)**2. Open Node-RED,And import the JSON file to generate the flow** 709 + 710 +Sample JSON file please go to this link to download:放置JSON文件的链接 711 + 712 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]] 713 + 714 +The following is the positioning effect map 715 + 716 +[[image:image-20220723144339-1.png]] 717 + 718 + 719 + 720 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 721 + 722 + 723 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method 724 + 725 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect) 726 + 727 +[[image:image-20220723150132-2.png]] 728 + 729 + 730 + 731 += 4. FAQ = 732 + 733 + 734 +== 4.1 How to Compile Source Code for LA66? == 735 + 736 + 737 +Compile and Upload Code to ASR6601 Platform :[[Instruction>>Compile and Upload Code to ASR6601 Platform]] 738 + 739 + 740 + 741 += 5. Order Info = 742 + 743 + 744 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 745 + 746 + 747 +(% style="color:blue" %)**XXX**(%%): The default frequency band 748 + 749 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 750 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 751 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 752 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 753 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 754 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 755 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 756 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 757 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 758 + 759 + 760 + 761 + 762 + 763 += 6. Reference = 764 + 765 + 766 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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