Changes for page LA66 LoRaWAN Module User Manual
Last modified by Xiaoling on 2023/09/19 09:20
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... ... @@ -52,8 +52,7 @@ 52 52 53 53 == 1.2 Features == 54 54 55 - 56 -* Support LoRaWAN v1.0.3 protocol 55 +* 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 ... ... @@ -63,11 +63,8 @@ 63 63 * Firmware upgradable via UART interface 64 64 * Ultra-long RF range 65 65 66 - 67 - 68 68 == 1.3 Specification == 69 69 70 - 71 71 * CPU: 32-bit 48 MHz 72 72 * Flash: 256KB 73 73 * RAM: 64KB ... ... @@ -86,18 +86,15 @@ 86 86 * LoRa Rx current: <9 mA 87 87 * I/O Voltage: 3.3v 88 88 89 - 90 - 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]].88 +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 ... ... @@ -110,79 +110,627 @@ 110 110 111 111 == 1.7 Land Pattern == 112 112 113 - 114 114 [[image:image-20220517072821-2.png]] 115 115 116 116 117 117 118 -= 2. FAQ=110 += 2. LA66 LoRaWAN Shield = 119 119 120 120 121 -== 2.1 How to CompileSourceCode for LA66?==113 +== 2.1 Overview == 122 122 123 123 124 -Compile and Upload Code to ASR6601 Platform:[[Instruction>>Compile and Upload Code to ASR6601 Platform]] 116 +((( 117 +[[image:image-20220715000826-2.png||height="145" width="220"]] 118 +))) 125 125 120 +((( 121 + 122 +))) 126 126 124 +((( 125 +(% 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. 126 +))) 127 127 128 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? == 128 +((( 129 +((( 130 +(% 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. 131 +))) 132 +))) 129 129 134 +((( 135 +((( 136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 137 +))) 138 +))) 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. 140 +((( 141 +((( 142 +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. 143 +))) 144 +))) 132 132 146 +((( 147 +((( 148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 149 +))) 150 +))) 133 133 134 134 135 -== 2.3 Where to find Peer-to-Peer firmware of LA66? == 136 136 154 +== 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]] 156 +* Arduino Shield base on LA66 LoRaWAN module 157 +* Support LoRaWAN v1.0.4 protocol 158 +* Support peer-to-peer protocol 159 +* TCXO crystal to ensure RF performance on low temperature 160 +* SMA connector 161 +* Available in different frequency LoRaWAN frequency bands. 162 +* World-wide unique OTAA keys. 163 +* AT Command via UART-TTL interface 164 +* Firmware upgradable via UART interface 165 +* Ultra-long RF range 139 139 167 +== 2.3 Specification == 140 140 169 +* CPU: 32-bit 48 MHz 170 +* Flash: 256KB 171 +* RAM: 64KB 172 +* Input Power Range: 1.8v ~~ 3.7v 173 +* Power Consumption: < 4uA. 174 +* Frequency Range: 150 MHz ~~ 960 MHz 175 +* Maximum Power +22 dBm constant RF output 176 +* High sensitivity: -148 dBm 177 +* Temperature: 178 +** Storage: -55 ~~ +125℃ 179 +** Operating: -40 ~~ +85℃ 180 +* Humidity: 181 +** Storage: 5 ~~ 95% (Non-Condensing) 182 +** Operating: 10 ~~ 95% (Non-Condensing) 183 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 184 +* LoRa Rx current: <9 mA 185 +* I/O Voltage: 3.3v 141 141 142 -= 3.OrderInfo=187 +== 2.4 LED == 143 143 144 144 145 -**Part Number:** (% style="color:blue" %)**LA66-XXX** 190 +~1. The LED lights up red when there is an upstream data packet 191 +2. When the network is successfully connected, the green light will be on for 5 seconds 192 +3. Purple light on when receiving downlink data packets 146 146 147 147 148 -(% 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 196 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 159 159 160 160 199 +**Show connection diagram:** 161 161 162 162 163 - = 4. FCC Statement =202 +[[image:image-20220723170210-2.png||height="908" width="681"]] 164 164 165 165 166 -(% style="color:red" %)**FCC Caution:** 167 167 168 - AnyChangesor modifications not expresslyapproved by the party responsibleforcompliance could void theuser'sauthoritytooperatethe equipment.206 +(% style="color:blue" %)**1. open Arduino IDE** 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. 171 171 209 +[[image:image-20220723170545-4.png]] 172 172 173 -(% style="color:red" %)**IMPORTANT NOTE: ** 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 - —Reorientorrelocatethe receiving antenna.213 +(% style="color:blue" %)**2. Open project** 178 178 179 -—Increase the separation between the equipment and receiver. 180 180 181 - —Connect the equipmentintoantletona circuitdifferentfrom thatowhichthe receivers connected.216 +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]] 182 182 183 - —Consult the dealer or an experienced radio/TV technician for help.218 +[[image:image-20220726135239-1.png]] 184 184 185 185 186 -(% style="color: red" %)**FCCRadiationExposureStatement:**221 +(% 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** 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. 223 +[[image:image-20220726135356-2.png]] 224 + 225 + 226 +(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 227 + 228 + 229 +[[image:image-20220723172235-7.png||height="480" width="1027"]] 230 + 231 + 232 + 233 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 234 + 235 + 236 +(% style="color:blue" %)**1. Open project** 237 + 238 + 239 +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]] 240 + 241 + 242 +[[image:image-20220723172502-8.png]] 243 + 244 + 245 + 246 +(% 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** 247 + 248 + 249 +[[image:image-20220723172938-9.png||height="652" width="1050"]] 250 + 251 + 252 + 253 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. == 254 + 255 + 256 +(% style="color:blue" %)**1. Open project** 257 + 258 + 259 +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]] 260 + 261 + 262 +[[image:image-20220723173341-10.png||height="581" width="1014"]] 263 + 264 + 265 + 266 +(% 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** 267 + 268 + 269 +[[image:image-20220723173950-11.png||height="665" width="1012"]] 270 + 271 + 272 + 273 +(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 274 + 275 +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/]] 276 + 277 +[[image:image-20220723175700-12.png||height="602" width="995"]] 278 + 279 + 280 + 281 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 282 + 283 + 284 +=== 2.8.1 Items needed for update === 285 + 286 + 287 +1. LA66 LoRaWAN Shield 288 +1. Arduino 289 +1. USB TO TTL Adapter 290 + 291 +[[image:image-20220602100052-2.png||height="385" width="600"]] 292 + 293 + 294 +=== 2.8.2 Connection === 295 + 296 + 297 +[[image:image-20220602101311-3.png||height="276" width="600"]] 298 + 299 + 300 +((( 301 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 302 +))) 303 + 304 +((( 305 +(% style="background-color:yellow" %)**GND <-> GND 306 +TXD <-> TXD 307 +RXD <-> RXD** 308 +))) 309 + 310 + 311 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 312 + 313 +Connect USB TTL Adapter to PC after connecting the wires 314 + 315 + 316 +[[image:image-20220602102240-4.png||height="304" width="600"]] 317 + 318 + 319 +=== 2.8.3 Upgrade steps === 320 + 321 + 322 +==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ==== 323 + 324 + 325 +[[image:image-20220602102824-5.png||height="306" width="600"]] 326 + 327 + 328 + 329 +==== (% style="color:blue" %)2. Press the RST switch once(%%) ==== 330 + 331 + 332 +[[image:image-20220602104701-12.png||height="285" width="600"]] 333 + 334 + 335 + 336 +==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ==== 337 + 338 + 339 +((( 340 +(% 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/]]** 341 +))) 342 + 343 + 344 +[[image:image-20220602103227-6.png]] 345 + 346 + 347 +[[image:image-20220602103357-7.png]] 348 + 349 + 350 + 351 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 352 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 353 + 354 + 355 +[[image:image-20220602103844-8.png]] 356 + 357 + 358 + 359 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 360 +(% style="color:blue" %)**3. Select the bin file to burn** 361 + 362 + 363 +[[image:image-20220602104144-9.png]] 364 + 365 + 366 +[[image:image-20220602104251-10.png]] 367 + 368 + 369 +[[image:image-20220602104402-11.png]] 370 + 371 + 372 + 373 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 374 +(% style="color:blue" %)**4. Click to start the download** 375 + 376 +[[image:image-20220602104923-13.png]] 377 + 378 + 379 + 380 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 381 +(% style="color:blue" %)**5. Check update process** 382 + 383 + 384 +[[image:image-20220602104948-14.png]] 385 + 386 + 387 + 388 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 389 +(% style="color:blue" %)**The following picture shows that the burning is successful** 390 + 391 +[[image:image-20220602105251-15.png]] 392 + 393 + 394 + 395 += 3. LA66 USB LoRaWAN Adapter = 396 + 397 + 398 +== 3.1 Overview == 399 + 400 + 401 +[[image:image-20220715001142-3.png||height="145" width="220"]] 402 + 403 + 404 +((( 405 +(% 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. 406 +))) 407 + 408 +((( 409 +(% 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. 410 +))) 411 + 412 +((( 413 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 414 +))) 415 + 416 +((( 417 +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. 418 +))) 419 + 420 +((( 421 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 422 +))) 423 + 424 + 425 + 426 +== 3.2 Features == 427 + 428 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 429 +* Ultra-long RF range 430 +* Support LoRaWAN v1.0.4 protocol 431 +* Support peer-to-peer protocol 432 +* TCXO crystal to ensure RF performance on low temperature 433 +* Spring RF antenna 434 +* Available in different frequency LoRaWAN frequency bands. 435 +* World-wide unique OTAA keys. 436 +* AT Command via UART-TTL interface 437 +* Firmware upgradable via UART interface 438 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 439 + 440 +== 3.3 Specification == 441 + 442 +* CPU: 32-bit 48 MHz 443 +* Flash: 256KB 444 +* RAM: 64KB 445 +* Input Power Range: 5v 446 +* Frequency Range: 150 MHz ~~ 960 MHz 447 +* Maximum Power +22 dBm constant RF output 448 +* High sensitivity: -148 dBm 449 +* Temperature: 450 +** Storage: -55 ~~ +125℃ 451 +** Operating: -40 ~~ +85℃ 452 +* Humidity: 453 +** Storage: 5 ~~ 95% (Non-Condensing) 454 +** Operating: 10 ~~ 95% (Non-Condensing) 455 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 456 +* LoRa Rx current: <9 mA 457 + 458 +== 3.4 Pin Mapping & LED == 459 + 460 + 461 + 462 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 463 + 464 + 465 +((( 466 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 467 +))) 468 + 469 + 470 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 471 + 472 + 473 +[[image:image-20220723100027-1.png]] 474 + 475 + 476 +Open the serial port tool 477 + 478 +[[image:image-20220602161617-8.png]] 479 + 480 +[[image:image-20220602161718-9.png||height="457" width="800"]] 481 + 482 + 483 + 484 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 485 + 486 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 487 + 488 + 489 +[[image:image-20220602161935-10.png||height="498" width="800"]] 490 + 491 + 492 + 493 +(% style="color:blue" %)**3. See Uplink Command** 494 + 495 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 496 + 497 +example: AT+SENDB=01,02,8,05820802581ea0a5 498 + 499 +[[image:image-20220602162157-11.png||height="497" width="800"]] 500 + 501 + 502 + 503 +(% style="color:blue" %)**4. Check to see if TTN received the message** 504 + 505 +[[image:image-20220602162331-12.png||height="420" width="800"]] 506 + 507 + 508 + 509 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 510 + 511 + 512 +**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]] 513 + 514 +(**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]]) 515 + 516 +(% style="color:red" %)**Preconditions:** 517 + 518 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 519 + 520 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 521 + 522 + 523 + 524 +(% style="color:blue" %)**Steps for usage:** 525 + 526 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 527 + 528 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 529 + 530 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 531 + 532 + 533 + 534 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 535 + 536 + 537 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 538 + 539 + 540 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 541 + 542 +[[image:image-20220723100439-2.png]] 543 + 544 + 545 + 546 +(% style="color:blue" %)**2. Install Minicom in RPi.** 547 + 548 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 549 + 550 + (% style="background-color:yellow" %)**apt update** 551 + 552 + (% style="background-color:yellow" %)**apt install minicom** 553 + 554 + 555 +Use minicom to connect to the RPI's terminal 556 + 557 +[[image:image-20220602153146-3.png||height="439" width="500"]] 558 + 559 + 560 + 561 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 562 + 563 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 564 + 565 + 566 +[[image:image-20220602154928-5.png||height="436" width="500"]] 567 + 568 + 569 + 570 +(% style="color:blue" %)**4. Send Uplink message** 571 + 572 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 573 + 574 +example: AT+SENDB=01,02,8,05820802581ea0a5 575 + 576 + 577 +[[image:image-20220602160339-6.png||height="517" width="600"]] 578 + 579 + 580 + 581 +Check to see if TTN received the message 582 + 583 +[[image:image-20220602160627-7.png||height="369" width="800"]] 584 + 585 + 586 + 587 +== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. == 588 + 589 + 590 +=== 3.8.1 DRAGINO-LA66-APP === 591 + 592 + 593 +[[image:image-20220723102027-3.png]] 594 + 595 + 596 + 597 +==== (% style="color:blue" %)**Overview:**(%%) ==== 598 + 599 + 600 +((( 601 +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. 602 +))) 603 + 604 +((( 605 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 606 +))) 607 + 608 + 609 + 610 +==== (% style="color:blue" %)**Conditions of Use:**(%%) ==== 611 + 612 + 613 +Requires a type-c to USB adapter 614 + 615 +[[image:image-20220723104754-4.png]] 616 + 617 + 618 + 619 +==== (% style="color:blue" %)**Use of APP:**(%%) ==== 620 + 621 + 622 +Function and page introduction 623 + 624 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 625 + 626 + 627 +1.Display LA66 USB LoRaWAN Module connection status 628 + 629 +2.Check and reconnect 630 + 631 +3.Turn send timestamps on or off 632 + 633 +4.Display LoRaWan connection status 634 + 635 +5.Check LoRaWan connection status 636 + 637 +6.The RSSI value of the node when the ACK is received 638 + 639 +7.Node's Signal Strength Icon 640 + 641 +8.Set the packet sending interval of the node in seconds 642 + 643 +9.AT command input box 644 + 645 +10.Send AT command button 646 + 647 +11.Node log box 648 + 649 +12.clear log button 650 + 651 +13.exit button 652 + 653 + 654 +LA66 USB LoRaWAN Module not connected 655 + 656 +[[image:image-20220723110520-5.png||height="903" width="677"]] 657 + 658 + 659 + 660 +Connect LA66 USB LoRaWAN Module 661 + 662 +[[image:image-20220723110626-6.png||height="906" width="680"]] 663 + 664 + 665 + 666 +=== 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 === 667 + 668 + 669 +(% style="color:blue" %)**1. Register LA66 USB LoRaWAN Module to TTNV3** 670 + 671 +[[image:image-20220723134549-8.png]] 672 + 673 + 674 + 675 +(% style="color:blue" %)**2. Open Node-RED,And import the JSON file to generate the flow** 676 + 677 +Sample JSON file please go to this link to download:放置JSON文件的链接 678 + 679 +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/]] 680 + 681 +The following is the positioning effect map 682 + 683 +[[image:image-20220723144339-1.png]] 684 + 685 + 686 + 687 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 688 + 689 + 690 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method 691 + 692 +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) 693 + 694 +[[image:image-20220723150132-2.png]] 695 + 696 + 697 + 698 += 4. FAQ = 699 + 700 + 701 +== 4.1 How to Compile Source Code for LA66? == 702 + 703 + 704 +Compile and Upload Code to ASR6601 Platform :[[Instruction>>Compile and Upload Code to ASR6601 Platform]] 705 + 706 + 707 + 708 += 5. Order Info = 709 + 710 + 711 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 712 + 713 + 714 +(% style="color:blue" %)**XXX**(%%): The default frequency band 715 + 716 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 717 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 718 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 719 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 720 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 721 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 722 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 723 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 724 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 725 + 726 += 6. Reference = 727 + 728 + 729 +* 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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