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 +64,9 @@ 64 64 * Ultra-long RF range 65 65 66 66 66 + 67 67 == 1.3 Specification == 68 68 69 - 70 70 * CPU: 32-bit 48 MHz 71 71 * Flash: 256KB 72 72 * RAM: 64KB ... ... @@ -86,16 +86,16 @@ 86 86 * I/O Voltage: 3.3v 87 87 88 88 88 + 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]].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. 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 +108,624 @@ 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=114 += 2. LA66 LoRaWAN Shield = 117 117 118 118 119 -== 2.1 How to CompileSourceCode for LA66?==117 +== 2.1 Overview == 120 120 121 121 122 -Compile and Upload Code to ASR6601 Platform:[[Instruction>>Compile and Upload Code to ASR6601 Platform]] 120 +((( 121 +[[image:image-20220715000826-2.png||height="145" width="220"]] 122 +))) 123 123 124 +((( 125 + 126 +))) 124 124 128 +((( 129 +(% 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. 130 +))) 125 125 126 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? == 132 +((( 133 +((( 134 +(% 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. 135 +))) 136 +))) 127 127 138 +((( 139 +((( 140 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 141 +))) 142 +))) 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. 144 +((( 145 +((( 146 +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. 147 +))) 148 +))) 130 130 150 +((( 151 +((( 152 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 153 +))) 154 +))) 131 131 132 132 133 -== 2.3 Where to find Peer-to-Peer firmware of LA66? == 134 134 158 +== 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]] 160 +* Arduino Shield base on LA66 LoRaWAN module 161 +* Support LoRaWAN v1.0.4 protocol 162 +* Support peer-to-peer protocol 163 +* TCXO crystal to ensure RF performance on low temperature 164 +* SMA connector 165 +* Available in different frequency LoRaWAN frequency bands. 166 +* World-wide unique OTAA keys. 167 +* AT Command via UART-TTL interface 168 +* Firmware upgradable via UART interface 169 +* Ultra-long RF range 137 137 138 138 139 139 140 -= 3.Order Info =173 +== 2.3 Specification == 141 141 175 +* CPU: 32-bit 48 MHz 176 +* Flash: 256KB 177 +* RAM: 64KB 178 +* Input Power Range: 1.8v ~~ 3.7v 179 +* Power Consumption: < 4uA. 180 +* Frequency Range: 150 MHz ~~ 960 MHz 181 +* Maximum Power +22 dBm constant RF output 182 +* High sensitivity: -148 dBm 183 +* Temperature: 184 +** Storage: -55 ~~ +125℃ 185 +** Operating: -40 ~~ +85℃ 186 +* Humidity: 187 +** Storage: 5 ~~ 95% (Non-Condensing) 188 +** Operating: 10 ~~ 95% (Non-Condensing) 189 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 190 +* LoRa Rx current: <9 mA 191 +* I/O Voltage: 3.3v 142 142 143 -**Part Number:** (% style="color:blue" %)**LA66-XXX** 144 144 145 145 146 - (% style="color:blue"%)**XXX**(%%):Thedefault frequency band195 +== 2.4 LED == 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 157 157 198 +~1. The LED lights up red when there is an upstream data packet 199 +2. When the network is successfully connected, the green light will be on for 5 seconds 200 +3. Purple light on when receiving downlink data packets 158 158 159 159 160 -= 4. FCC Statement = 161 161 204 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 162 162 163 -**(% style="color:red" %)FCC Caution:** 164 164 207 +**Show connection diagram:** 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. 167 167 210 +[[image:image-20220723170210-2.png||height="908" width="681"]] 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. 170 170 171 171 172 - **(% style="color:red" %)IMPORTANTNOTE:**214 +(% style="color:blue" %)**1. open Arduino IDE** 173 173 174 174 175 - Note: This equipment has been tested and found to comply with the limits foraClass B digital device, pursuant to part15of the FCC Rules.These limits are designed toprovide 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:217 +[[image:image-20220723170545-4.png]] 176 176 177 177 178 -—Reorient or relocate the receiving antenna. 179 179 221 +(% style="color:blue" %)**2. Open project** 180 180 181 -—Increase the separation between the equipment and receiver. 182 182 224 +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]] 183 183 184 - —Connect the equipment intoan outlet on a circuit different fromthat to which thereceiver is connected.226 +[[image:image-20220726135239-1.png]] 185 185 186 186 187 - —Consultthedealeroran experienced radio/TVtechnicianfor help.229 +(% 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** 188 188 231 +[[image:image-20220726135356-2.png]] 189 189 190 -**(% style="color:red" %)FCC Radiation Exposure Statement: ** 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 +(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 235 + 236 + 237 +[[image:image-20220723172235-7.png||height="480" width="1027"]] 238 + 239 + 240 + 241 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 242 + 243 + 244 +(% style="color:blue" %)**1. Open project** 245 + 246 + 247 +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]] 248 + 249 + 250 +[[image:image-20220723172502-8.png]] 251 + 252 + 253 + 254 +(% 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** 255 + 256 + 257 +[[image:image-20220723172938-9.png||height="652" width="1050"]] 258 + 259 + 260 + 261 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. == 262 + 263 + 264 +(% style="color:blue" %)**1. Open project** 265 + 266 + 267 +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]] 268 + 269 + 270 +[[image:image-20220723173341-10.png||height="581" width="1014"]] 271 + 272 + 273 + 274 +(% 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** 275 + 276 + 277 +[[image:image-20220723173950-11.png||height="665" width="1012"]] 278 + 279 + 280 + 281 +(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 282 + 283 +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/]] 284 + 285 +[[image:image-20220723175700-12.png||height="602" width="995"]] 286 + 287 + 288 + 289 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 290 + 291 + 292 +=== 2.8.1 Items needed for update === 293 + 294 + 295 +1. LA66 LoRaWAN Shield 296 +1. Arduino 297 +1. USB TO TTL Adapter 298 + 299 +[[image:image-20220602100052-2.png||height="385" width="600"]] 300 + 301 + 302 +=== 2.8.2 Connection === 303 + 304 + 305 +[[image:image-20220602101311-3.png||height="276" width="600"]] 306 + 307 + 308 +((( 309 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 310 +))) 311 + 312 +((( 313 +(% style="background-color:yellow" %)**GND <-> GND 314 +TXD <-> TXD 315 +RXD <-> RXD** 316 +))) 317 + 318 + 319 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 320 + 321 +Connect USB TTL Adapter to PC after connecting the wires 322 + 323 + 324 +[[image:image-20220602102240-4.png||height="304" width="600"]] 325 + 326 + 327 +=== 2.8.3 Upgrade steps === 328 + 329 + 330 +==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%) ==== 331 + 332 + 333 +[[image:image-20220602102824-5.png||height="306" width="600"]] 334 + 335 + 336 + 337 +==== (% style="color:blue" %)2. Press the RST switch once(%%) ==== 338 + 339 + 340 +[[image:image-20220602104701-12.png||height="285" width="600"]] 341 + 342 + 343 + 344 +==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ==== 345 + 346 + 347 +((( 348 +(% 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/]]** 349 +))) 350 + 351 + 352 +[[image:image-20220602103227-6.png]] 353 + 354 + 355 +[[image:image-20220602103357-7.png]] 356 + 357 + 358 + 359 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 360 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 361 + 362 + 363 +[[image:image-20220602103844-8.png]] 364 + 365 + 366 + 367 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 368 +(% style="color:blue" %)**3. Select the bin file to burn** 369 + 370 + 371 +[[image:image-20220602104144-9.png]] 372 + 373 + 374 +[[image:image-20220602104251-10.png]] 375 + 376 + 377 +[[image:image-20220602104402-11.png]] 378 + 379 + 380 + 381 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 382 +(% style="color:blue" %)**4. Click to start the download** 383 + 384 +[[image:image-20220602104923-13.png]] 385 + 386 + 387 + 388 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 389 +(% style="color:blue" %)**5. Check update process** 390 + 391 + 392 +[[image:image-20220602104948-14.png]] 393 + 394 + 395 + 396 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 397 +(% style="color:blue" %)**The following picture shows that the burning is successful** 398 + 399 +[[image:image-20220602105251-15.png]] 400 + 401 + 402 + 403 += 3. LA66 USB LoRaWAN Adapter = 404 + 405 + 406 +== 3.1 Overview == 407 + 408 + 409 +[[image:image-20220715001142-3.png||height="145" width="220"]] 410 + 411 + 412 +((( 413 +(% 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. 414 +))) 415 + 416 +((( 417 +(% 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. 418 +))) 419 + 420 +((( 421 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 422 +))) 423 + 424 +((( 425 +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. 426 +))) 427 + 428 +((( 429 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 430 +))) 431 + 432 + 433 + 434 +== 3.2 Features == 435 + 436 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 437 +* Ultra-long RF range 438 +* Support LoRaWAN v1.0.4 protocol 439 +* Support peer-to-peer protocol 440 +* TCXO crystal to ensure RF performance on low temperature 441 +* Spring RF antenna 442 +* Available in different frequency LoRaWAN frequency bands. 443 +* World-wide unique OTAA keys. 444 +* AT Command via UART-TTL interface 445 +* Firmware upgradable via UART interface 446 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 447 + 448 +== 3.3 Specification == 449 + 450 +* CPU: 32-bit 48 MHz 451 +* Flash: 256KB 452 +* RAM: 64KB 453 +* Input Power Range: 5v 454 +* Frequency Range: 150 MHz ~~ 960 MHz 455 +* Maximum Power +22 dBm constant RF output 456 +* High sensitivity: -148 dBm 457 +* Temperature: 458 +** Storage: -55 ~~ +125℃ 459 +** Operating: -40 ~~ +85℃ 460 +* Humidity: 461 +** Storage: 5 ~~ 95% (Non-Condensing) 462 +** Operating: 10 ~~ 95% (Non-Condensing) 463 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 464 +* LoRa Rx current: <9 mA 465 + 466 +== 3.4 Pin Mapping & LED == 467 + 468 + 469 + 470 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 471 + 472 + 473 +((( 474 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 475 +))) 476 + 477 + 478 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 479 + 480 + 481 +[[image:image-20220723100027-1.png]] 482 + 483 + 484 +Open the serial port tool 485 + 486 +[[image:image-20220602161617-8.png]] 487 + 488 +[[image:image-20220602161718-9.png||height="457" width="800"]] 489 + 490 + 491 + 492 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 493 + 494 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 495 + 496 + 497 +[[image:image-20220602161935-10.png||height="498" width="800"]] 498 + 499 + 500 + 501 +(% style="color:blue" %)**3. See Uplink Command** 502 + 503 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 504 + 505 +example: AT+SENDB=01,02,8,05820802581ea0a5 506 + 507 +[[image:image-20220602162157-11.png||height="497" width="800"]] 508 + 509 + 510 + 511 +(% style="color:blue" %)**4. Check to see if TTN received the message** 512 + 513 +[[image:image-20220602162331-12.png||height="420" width="800"]] 514 + 515 + 516 + 517 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 518 + 519 + 520 +**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]] 521 + 522 +(**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]]) 523 + 524 +(% style="color:red" %)**Preconditions:** 525 + 526 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 527 + 528 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 529 + 530 + 531 + 532 +(% style="color:blue" %)**Steps for usage:** 533 + 534 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 535 + 536 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 537 + 538 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 539 + 540 + 541 + 542 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 543 + 544 + 545 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 546 + 547 + 548 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 549 + 550 +[[image:image-20220723100439-2.png]] 551 + 552 + 553 + 554 +(% style="color:blue" %)**2. Install Minicom in RPi.** 555 + 556 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 557 + 558 + (% style="background-color:yellow" %)**apt update** 559 + 560 + (% style="background-color:yellow" %)**apt install minicom** 561 + 562 + 563 +Use minicom to connect to the RPI's terminal 564 + 565 +[[image:image-20220602153146-3.png||height="439" width="500"]] 566 + 567 + 568 + 569 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 570 + 571 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 572 + 573 + 574 +[[image:image-20220602154928-5.png||height="436" width="500"]] 575 + 576 + 577 + 578 +(% style="color:blue" %)**4. Send Uplink message** 579 + 580 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 581 + 582 +example: AT+SENDB=01,02,8,05820802581ea0a5 583 + 584 + 585 +[[image:image-20220602160339-6.png||height="517" width="600"]] 586 + 587 + 588 + 589 +Check to see if TTN received the message 590 + 591 +[[image:image-20220602160627-7.png||height="369" width="800"]] 592 + 593 + 594 + 595 +== 3.8 Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. == 596 + 597 + 598 +=== 3.8.1 DRAGINO-LA66-APP === 599 + 600 + 601 +[[image:image-20220723102027-3.png]] 602 + 603 + 604 + 605 +==== (% style="color:blue" %)**Overview:**(%%) ==== 606 + 607 + 608 +((( 609 +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. 610 +))) 611 + 612 +((( 613 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 614 +))) 615 + 616 + 617 + 618 +==== (% style="color:blue" %)**Conditions of Use:**(%%) ==== 619 + 620 + 621 +Requires a type-c to USB adapter 622 + 623 +[[image:image-20220723104754-4.png]] 624 + 625 + 626 + 627 +==== (% style="color:blue" %)**Use of APP:**(%%) ==== 628 + 629 + 630 +Function and page introduction 631 + 632 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 633 + 634 + 635 +1.Display LA66 USB LoRaWAN Module connection status 636 + 637 +2.Check and reconnect 638 + 639 +3.Turn send timestamps on or off 640 + 641 +4.Display LoRaWan connection status 642 + 643 +5.Check LoRaWan connection status 644 + 645 +6.The RSSI value of the node when the ACK is received 646 + 647 +7.Node's Signal Strength Icon 648 + 649 +8.Set the packet sending interval of the node in seconds 650 + 651 +9.AT command input box 652 + 653 +10.Send AT command button 654 + 655 +11.Node log box 656 + 657 +12.clear log button 658 + 659 +13.exit button 660 + 661 + 662 +LA66 USB LoRaWAN Module not connected 663 + 664 +[[image:image-20220723110520-5.png||height="903" width="677"]] 665 + 666 + 667 + 668 +Connect LA66 USB LoRaWAN Module 669 + 670 +[[image:image-20220723110626-6.png||height="906" width="680"]] 671 + 672 + 673 + 674 +=== 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 === 675 + 676 + 677 +(% style="color:blue" %)**1. Register LA66 USB LoRaWAN Module to TTNV3** 678 + 679 +[[image:image-20220723134549-8.png]] 680 + 681 + 682 + 683 +(% style="color:blue" %)**2. Open Node-RED,And import the JSON file to generate the flow** 684 + 685 +Sample JSON file please go to this link to download:放置JSON文件的链接 686 + 687 +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/]] 688 + 689 +The following is the positioning effect map 690 + 691 +[[image:image-20220723144339-1.png]] 692 + 693 + 694 + 695 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 696 + 697 + 698 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method 699 + 700 +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) 701 + 702 +[[image:image-20220723150132-2.png]] 703 + 704 + 705 + 706 += 4. Order Info = 707 + 708 + 709 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 710 + 711 + 712 +(% style="color:blue" %)**XXX**(%%): The default frequency band 713 + 714 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 715 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 716 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 717 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 718 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 719 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 720 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 721 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 722 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 723 + 724 + 725 + 726 + 727 += 5. Reference = 728 + 729 + 730 +* 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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