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 ... ... @@ -64,9 +64,10 @@ 64 64 * Ultra-long RF range 65 65 66 66 67 -== 1.3 Specification == 68 68 69 69 68 +== 1.3 Specification == 69 + 70 70 * CPU: 32-bit 48 MHz 71 71 * Flash: 256KB 72 72 * RAM: 64KB ... ... @@ -86,16 +86,17 @@ 86 86 * I/O Voltage: 3.3v 87 87 88 88 89 + 90 + 89 89 == 1.4 AT Command == 90 90 91 91 92 -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]].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. 93 93 94 94 95 95 96 96 == 1.5 Dimension == 97 97 98 - 99 99 [[image:image-20220718094750-3.png]] 100 100 101 101 ... ... @@ -108,85 +108,627 @@ 108 108 109 109 == 1.7 Land Pattern == 110 110 111 - 112 112 [[image:image-20220517072821-2.png]] 113 113 114 114 115 115 116 -= 2. FAQ=116 += 2. LA66 LoRaWAN Shield = 117 117 118 118 119 -== 2.1 How to CompileSourceCode for LA66?==119 +== 2.1 Overview == 120 120 121 121 122 -Compile and Upload Code to ASR6601 Platform:[[Instruction>>Compile and Upload Code to ASR6601 Platform]] 122 +((( 123 +[[image:image-20220715000826-2.png||height="145" width="220"]] 124 +))) 123 123 126 +((( 127 + 128 +))) 124 124 130 +((( 131 +(% 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. 132 +))) 125 125 126 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? == 134 +((( 135 +((( 136 +(% 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. 137 +))) 138 +))) 127 127 140 +((( 141 +((( 142 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 143 +))) 144 +))) 128 128 129 -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. 146 +((( 147 +((( 148 +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. 149 +))) 150 +))) 130 130 152 +((( 153 +((( 154 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 155 +))) 156 +))) 131 131 132 132 133 -== 2.3 Where to find Peer-to-Peer firmware of LA66? == 134 134 160 +== 2.2 Features == 135 135 136 -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]] 162 +* Arduino Shield base on LA66 LoRaWAN module 163 +* Support LoRaWAN v1.0.4 protocol 164 +* Support peer-to-peer protocol 165 +* TCXO crystal to ensure RF performance on low temperature 166 +* SMA connector 167 +* Available in different frequency LoRaWAN frequency bands. 168 +* World-wide unique OTAA keys. 169 +* AT Command via UART-TTL interface 170 +* Firmware upgradable via UART interface 171 +* Ultra-long RF range 137 137 138 138 139 139 140 -= 3. Order Info = 141 141 176 +== 2.3 Specification == 142 142 143 -**Part Number:** (% style="color:blue" %)**LA66-XXX** 178 +* CPU: 32-bit 48 MHz 179 +* Flash: 256KB 180 +* RAM: 64KB 181 +* Input Power Range: 1.8v ~~ 3.7v 182 +* Power Consumption: < 4uA. 183 +* Frequency Range: 150 MHz ~~ 960 MHz 184 +* Maximum Power +22 dBm constant RF output 185 +* High sensitivity: -148 dBm 186 +* Temperature: 187 +** Storage: -55 ~~ +125℃ 188 +** Operating: -40 ~~ +85℃ 189 +* Humidity: 190 +** Storage: 5 ~~ 95% (Non-Condensing) 191 +** Operating: 10 ~~ 95% (Non-Condensing) 192 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 193 +* LoRa Rx current: <9 mA 194 +* I/O Voltage: 3.3v 144 144 145 145 146 -(% style="color:blue" %)**XXX**(%%): The default frequency band 147 147 148 -* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 149 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 150 -* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 151 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 152 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 153 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 154 -* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 155 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 156 -* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 157 157 199 +== 2.4 LED == 158 158 159 159 160 -= 4. FCC Statement = 202 +~1. The LED lights up red when there is an upstream data packet 203 +2. When the network is successfully connected, the green light will be on for 5 seconds 204 +3. Purple light on when receiving downlink data packets 161 161 162 162 163 -**(% style="color:red" %)FCC Caution:** 164 164 208 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 165 165 166 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 167 167 211 +**Show connection diagram:** 168 168 169 -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. 170 170 214 +[[image:image-20220723170210-2.png||height="908" width="681"]] 171 171 172 -**(% style="color:red" %)IMPORTANT NOTE: ** 173 173 174 174 175 - Note:Thisequipmenthas been tested and found to complywith thelimits for a Class B digital device, pursuant topart 15 of the FCC Rules. These limits are designed toprovide reasonable protection against harmful interferencein a residential installation.This equipment generates, uses and can radiate radiofrequency 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 aparticular installation. If thisequipmentdoes cause harmful interference to radio or television reception, which can be determined by turning the equipmentoffand on, the user is encouraged to try to correct the interference by one or more of the following measures:218 +(% style="color:blue" %)**1. open Arduino IDE** 176 176 177 177 178 - —Reorient or relocatethe receivingantenna.221 +[[image:image-20220723170545-4.png]] 179 179 180 180 181 -—Increase the separation between the equipment and receiver. 182 182 225 +(% style="color:blue" %)**2. Open project** 183 183 184 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 185 185 228 +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]] 186 186 187 -—Consult the dealer or an experienced radio/TV technician for help. 188 188 189 189 190 - **(% style="color:red" %)FCCRadiationExposureStatement:**232 +(% 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** 191 191 192 -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. 234 + 235 + 236 +(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 237 + 238 + 239 +[[image:image-20220723172235-7.png||height="480" width="1027"]] 240 + 241 + 242 + 243 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 244 + 245 + 246 +(% style="color:blue" %)**1. Open project** 247 + 248 + 249 +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]] 250 + 251 + 252 +[[image:image-20220723172502-8.png]] 253 + 254 + 255 + 256 +(% 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** 257 + 258 + 259 +[[image:image-20220723172938-9.png||height="652" width="1050"]] 260 + 261 + 262 + 263 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. == 264 + 265 + 266 +(% style="color:blue" %)**1. Open project** 267 + 268 + 269 +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]] 270 + 271 + 272 +[[image:image-20220723173341-10.png||height="581" width="1014"]] 273 + 274 + 275 + 276 +(% 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** 277 + 278 + 279 +[[image:image-20220723173950-11.png||height="665" width="1012"]] 280 + 281 + 282 + 283 +(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 284 + 285 +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/]] 286 + 287 +[[image:image-20220723175700-12.png||height="602" width="995"]] 288 + 289 + 290 + 291 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 292 + 293 + 294 +=== 2.8.1 Items needed for update === 295 + 296 + 297 +1. LA66 LoRaWAN Shield 298 +1. Arduino 299 +1. USB TO TTL Adapter 300 + 301 +[[image:image-20220602100052-2.png||height="385" width="600"]] 302 + 303 + 304 +=== 2.8.2 Connection === 305 + 306 + 307 +[[image:image-20220602101311-3.png||height="276" width="600"]] 308 + 309 + 310 +((( 311 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 312 +))) 313 + 314 +((( 315 +(% style="background-color:yellow" %)**GND <-> GND 316 +TXD <-> TXD 317 +RXD <-> RXD** 318 +))) 319 + 320 + 321 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 322 + 323 +Connect USB TTL Adapter to PC after connecting the wires 324 + 325 + 326 +[[image:image-20220602102240-4.png||height="304" width="600"]] 327 + 328 + 329 +=== 2.8.3 Upgrade steps === 330 + 331 + 332 +==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ==== 333 + 334 + 335 +[[image:image-20220602102824-5.png||height="306" width="600"]] 336 + 337 + 338 + 339 +==== (% style="color:blue" %)2. Press the RST switch once(%%) ==== 340 + 341 + 342 +[[image:image-20220602104701-12.png||height="285" width="600"]] 343 + 344 + 345 + 346 +==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ==== 347 + 348 + 349 +((( 350 +(% 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/]]** 351 +))) 352 + 353 + 354 +[[image:image-20220602103227-6.png]] 355 + 356 + 357 +[[image:image-20220602103357-7.png]] 358 + 359 + 360 + 361 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 362 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 363 + 364 + 365 +[[image:image-20220602103844-8.png]] 366 + 367 + 368 + 369 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 370 +(% style="color:blue" %)**3. Select the bin file to burn** 371 + 372 + 373 +[[image:image-20220602104144-9.png]] 374 + 375 + 376 +[[image:image-20220602104251-10.png]] 377 + 378 + 379 +[[image:image-20220602104402-11.png]] 380 + 381 + 382 + 383 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 384 +(% style="color:blue" %)**4. Click to start the download** 385 + 386 +[[image:image-20220602104923-13.png]] 387 + 388 + 389 + 390 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 391 +(% style="color:blue" %)**5. Check update process** 392 + 393 + 394 +[[image:image-20220602104948-14.png]] 395 + 396 + 397 + 398 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 399 +(% style="color:blue" %)**The following picture shows that the burning is successful** 400 + 401 +[[image:image-20220602105251-15.png]] 402 + 403 + 404 + 405 += 3. LA66 USB LoRaWAN Adapter = 406 + 407 + 408 +== 3.1 Overview == 409 + 410 + 411 +[[image:image-20220715001142-3.png||height="145" width="220"]] 412 + 413 + 414 +((( 415 +(% 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. 416 +))) 417 + 418 +((( 419 +(% 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. 420 +))) 421 + 422 +((( 423 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 424 +))) 425 + 426 +((( 427 +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. 428 +))) 429 + 430 +((( 431 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 432 +))) 433 + 434 + 435 + 436 +== 3.2 Features == 437 + 438 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 439 +* Ultra-long RF range 440 +* Support LoRaWAN v1.0.4 protocol 441 +* Support peer-to-peer protocol 442 +* TCXO crystal to ensure RF performance on low temperature 443 +* Spring RF antenna 444 +* Available in different frequency LoRaWAN frequency bands. 445 +* World-wide unique OTAA keys. 446 +* AT Command via UART-TTL interface 447 +* Firmware upgradable via UART interface 448 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 449 + 450 + 451 +== 3.3 Specification == 452 + 453 +* CPU: 32-bit 48 MHz 454 +* Flash: 256KB 455 +* RAM: 64KB 456 +* Input Power Range: 5v 457 +* Frequency Range: 150 MHz ~~ 960 MHz 458 +* Maximum Power +22 dBm constant RF output 459 +* High sensitivity: -148 dBm 460 +* Temperature: 461 +** Storage: -55 ~~ +125℃ 462 +** Operating: -40 ~~ +85℃ 463 +* Humidity: 464 +** Storage: 5 ~~ 95% (Non-Condensing) 465 +** Operating: 10 ~~ 95% (Non-Condensing) 466 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 467 +* LoRa Rx current: <9 mA 468 + 469 + 470 +== 3.4 Pin Mapping & LED == 471 + 472 + 473 + 474 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 475 + 476 + 477 +((( 478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 479 +))) 480 + 481 + 482 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 483 + 484 + 485 +[[image:image-20220723100027-1.png]] 486 + 487 + 488 +Open the serial port tool 489 + 490 +[[image:image-20220602161617-8.png]] 491 + 492 +[[image:image-20220602161718-9.png||height="457" width="800"]] 493 + 494 + 495 + 496 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 497 + 498 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 499 + 500 + 501 +[[image:image-20220602161935-10.png||height="498" width="800"]] 502 + 503 + 504 + 505 +(% style="color:blue" %)**3. See Uplink Command** 506 + 507 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 508 + 509 +example: AT+SENDB=01,02,8,05820802581ea0a5 510 + 511 +[[image:image-20220602162157-11.png||height="497" width="800"]] 512 + 513 + 514 + 515 +(% style="color:blue" %)**4. Check to see if TTN received the message** 516 + 517 +[[image:image-20220602162331-12.png||height="420" width="800"]] 518 + 519 + 520 + 521 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 522 + 523 + 524 +**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]] 525 + 526 +(**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]]) 527 + 528 +(% style="color:red" %)**Preconditions:** 529 + 530 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 531 + 532 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 533 + 534 + 535 + 536 +(% style="color:blue" %)**Steps for usage:** 537 + 538 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 539 + 540 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 541 + 542 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 543 + 544 + 545 + 546 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 547 + 548 + 549 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 550 + 551 + 552 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 553 + 554 +[[image:image-20220723100439-2.png]] 555 + 556 + 557 + 558 +(% style="color:blue" %)**2. Install Minicom in RPi.** 559 + 560 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 561 + 562 + (% style="background-color:yellow" %)**apt update** 563 + 564 + (% style="background-color:yellow" %)**apt install minicom** 565 + 566 + 567 +Use minicom to connect to the RPI's terminal 568 + 569 +[[image:image-20220602153146-3.png||height="439" width="500"]] 570 + 571 + 572 + 573 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 574 + 575 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 576 + 577 + 578 +[[image:image-20220602154928-5.png||height="436" width="500"]] 579 + 580 + 581 + 582 +(% style="color:blue" %)**4. Send Uplink message** 583 + 584 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 585 + 586 +example: AT+SENDB=01,02,8,05820802581ea0a5 587 + 588 + 589 +[[image:image-20220602160339-6.png||height="517" width="600"]] 590 + 591 + 592 + 593 +Check to see if TTN received the message 594 + 595 +[[image:image-20220602160627-7.png||height="369" width="800"]] 596 + 597 + 598 + 599 +== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. == 600 + 601 + 602 +=== 3.8.1 DRAGINO-LA66-APP === 603 + 604 + 605 +[[image:image-20220723102027-3.png]] 606 + 607 + 608 + 609 +==== (% style="color:blue" %)**Overview:**(%%) ==== 610 + 611 + 612 +((( 613 +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. 614 +))) 615 + 616 +((( 617 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 618 +))) 619 + 620 + 621 + 622 +==== (% style="color:blue" %)**Conditions of Use:**(%%) ==== 623 + 624 + 625 +Requires a type-c to USB adapter 626 + 627 +[[image:image-20220723104754-4.png]] 628 + 629 + 630 + 631 +==== (% style="color:blue" %)**Use of APP:**(%%) ==== 632 + 633 + 634 +Function and page introduction 635 + 636 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 637 + 638 + 639 +1.Display LA66 USB LoRaWAN Module connection status 640 + 641 +2.Check and reconnect 642 + 643 +3.Turn send timestamps on or off 644 + 645 +4.Display LoRaWan connection status 646 + 647 +5.Check LoRaWan connection status 648 + 649 +6.The RSSI value of the node when the ACK is received 650 + 651 +7.Node's Signal Strength Icon 652 + 653 +8.Set the packet sending interval of the node in seconds 654 + 655 +9.AT command input box 656 + 657 +10.Send AT command button 658 + 659 +11.Node log box 660 + 661 +12.clear log button 662 + 663 +13.exit button 664 + 665 + 666 +LA66 USB LoRaWAN Module not connected 667 + 668 +[[image:image-20220723110520-5.png||height="903" width="677"]] 669 + 670 + 671 + 672 +Connect LA66 USB LoRaWAN Module 673 + 674 +[[image:image-20220723110626-6.png||height="906" width="680"]] 675 + 676 + 677 + 678 +=== 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 === 679 + 680 + 681 +(% style="color:blue" %)**1. Register LA66 USB LoRaWAN Module to TTNV3** 682 + 683 +[[image:image-20220723134549-8.png]] 684 + 685 + 686 + 687 +(% style="color:blue" %)**2. Open Node-RED,And import the JSON file to generate the flow** 688 + 689 +Sample JSON file please go to this link to download:放置JSON文件的链接 690 + 691 +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/]] 692 + 693 +The following is the positioning effect map 694 + 695 +[[image:image-20220723144339-1.png]] 696 + 697 + 698 + 699 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 700 + 701 + 702 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method 703 + 704 +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) 705 + 706 +[[image:image-20220723150132-2.png]] 707 + 708 + 709 + 710 += 4. Order Info = 711 + 712 + 713 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 714 + 715 + 716 +(% style="color:blue" %)**XXX**(%%): The default frequency band 717 + 718 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 719 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 720 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 721 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 722 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 723 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 724 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 725 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 726 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 727 + 728 + 729 + 730 + 731 + 732 += 5. Reference = 733 + 734 + 735 +* 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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