Changes for page LA66 LoRaWAN Shield User Manual
Last modified by Xiaoling on 2023/05/26 14:19
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... ... @@ -1,4 +1,4 @@ 1 - 1 +0 2 2 3 3 **Table of Contents:** 4 4 ... ... @@ -6,15 +6,15 @@ 6 6 7 7 8 8 9 += 1. LA66 LoRaWAN Module = 9 9 10 -= 1. LA66 LoRaWAN Shield = 11 11 12 +== 1.1 What is LA66 LoRaWAN Module == 12 12 13 -== 1.1 Overview == 14 14 15 - 16 16 ((( 17 -[[image:image-20220715000826-2.png||height="145" width="220"]] 16 +((( 17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** ** 18 18 ))) 19 19 20 20 ((( ... ... @@ -22,12 +22,13 @@ 22 22 ))) 23 23 24 24 ((( 25 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)istheArduinoshieldbase onLA66. UserscanuseLA66LoRaWANShield torapidlyaddLoRaWAN orpeer-to-peerLoRawirelessfunction toArduinoprojects.25 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere. 26 26 ))) 27 +))) 27 27 28 28 ((( 29 29 ((( 30 -(% 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. 31 +(% 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. 31 31 ))) 32 32 ))) 33 33 ... ... @@ -35,10 +35,8 @@ 35 35 ((( 36 36 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 37 37 ))) 38 -))) 39 39 40 40 ((( 41 -((( 42 42 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. 43 43 ))) 44 44 ))) ... ... @@ -53,12 +53,10 @@ 53 53 54 54 == 1.2 Features == 55 55 56 - 57 -* Arduino Shield base on LA66 LoRaWAN module 58 58 * Support LoRaWAN v1.0.4 protocol 59 59 * Support peer-to-peer protocol 60 60 * TCXO crystal to ensure RF performance on low temperature 61 -* SMA connector 58 +* SMD Antenna pad and i-pex antenna connector 62 62 * Available in different frequency LoRaWAN frequency bands. 63 63 * World-wide unique OTAA keys. 64 64 * AT Command via UART-TTL interface ... ... @@ -65,12 +65,8 @@ 65 65 * Firmware upgradable via UART interface 66 66 * Ultra-long RF range 67 67 68 - 69 - 70 - 71 71 == 1.3 Specification == 72 72 73 - 74 74 * CPU: 32-bit 48 MHz 75 75 * Flash: 256KB 76 76 * RAM: 64KB ... ... @@ -89,111 +89,129 @@ 89 89 * LoRa Rx current: <9 mA 90 90 * I/O Voltage: 3.3v 91 91 85 +== 1.4 AT Command == 92 92 93 93 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. 94 94 95 -== 1.4 Pin Mapping & LED == 96 96 97 97 98 - [[image:image-20220814101457-1.png||height="553"width="761"]]92 +== 1.5 Dimension == 99 99 100 -~1. The LED lights up red when there is an upstream data packet 101 -2. When the network is successfully connected, the green light will be on for 5 seconds 102 -3. Purple light on when receiving downlink data packets 94 +[[image:image-20220718094750-3.png]] 103 103 104 104 105 105 106 -== 1. 5Example: Use AT Commandto communicate with LA66 module via ArduinoUNO.==98 +== 1.6 Pin Mapping == 107 107 100 +[[image:image-20220720111850-1.png]] 108 108 109 -**Show connection diagram:** 110 110 111 111 112 - [[image:image-20220723170210-2.png||height="908"width="681"]]104 +== 1.7 Land Pattern == 113 113 106 +[[image:image-20220517072821-2.png]] 114 114 115 115 116 -(% style="color:blue" %)**1. open Arduino IDE** 117 117 110 += 2. LA66 LoRaWAN Shield = 118 118 119 -[[image:image-20220723170545-4.png]] 120 120 113 +== 2.1 Overview == 121 121 122 122 123 -(% style="color:blue" %)**2. Open project** 116 +((( 117 +[[image:image-20220715000826-2.png||height="145" width="220"]] 118 +))) 124 124 120 +((( 121 + 122 +))) 125 125 126 -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]] 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 -[[image:image-20220726135239-1.png]] 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 -(% 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** 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 +))) 132 132 133 -[[image:image-20220726135356-2.png]] 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 +))) 134 134 135 135 136 -(% style="color:blue" %)**4. After the upload is successful, open the serial port monitoring and send the AT command** 137 137 154 +== 2.2 Features == 138 138 139 -[[image:image-20220723172235-7.png||height="480" width="1027"]] 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 140 140 167 +== 2.3 Specification == 141 141 169 +* 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 142 142 143 -== 1.6Example: JoinTTN networkand send an uplink message,getdownlinkmessage.==187 +== 2.4 Pin Mapping & LED == 144 144 145 145 146 -(% style="color:blue" %)**1. Open project** 147 147 191 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 148 148 149 -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]] 150 150 151 151 152 - [[image:image-20220723172502-8.png]]195 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 153 153 154 154 155 155 156 - (% style="color:blue"%)**2.Same steps as 2.5,afteropeningtheserial portmonitoring,itwillautomaticallyconnecttothenetworkandsend packets**199 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. == 157 157 158 158 159 -[[image:image-20220723172938-9.png||height="652" width="1050"]] 160 160 203 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 161 161 162 162 163 -== 1.7Example: Log TemperatureSensor(DHT11)andsenddata toTTN, show it in Node-RED.==206 +=== 2.8.1 Items needed for update === 164 164 165 - 166 -(% style="color:blue" %)**1. Open project** 167 - 168 - 169 -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]] 170 - 171 - 172 -[[image:image-20220723173341-10.png||height="581" width="1014"]] 173 - 174 - 175 - 176 -(% 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** 177 - 178 - 179 -[[image:image-20220723173950-11.png||height="665" width="1012"]] 180 - 181 - 182 - 183 -(% style="color:blue" %)**3. Integration into Node-red via TTNV3** 184 - 185 -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/]] 186 - 187 -[[image:image-20220723175700-12.png||height="602" width="995"]] 188 - 189 - 190 - 191 -== 1.8 Upgrade Firmware of LA66 LoRaWAN Shield == 192 - 193 - 194 -=== 1.8.1 Items needed for update === 195 - 196 - 197 197 1. LA66 LoRaWAN Shield 198 198 1. Arduino 199 199 1. USB TO TTL Adapter ... ... @@ -201,10 +201,9 @@ 201 201 [[image:image-20220602100052-2.png||height="385" width="600"]] 202 202 203 203 215 +=== 2.8.2 Connection === 204 204 205 -=== 1.8.2 Connection === 206 206 207 - 208 208 [[image:image-20220602101311-3.png||height="276" width="600"]] 209 209 210 210 ... ... @@ -227,11 +227,10 @@ 227 227 [[image:image-20220602102240-4.png||height="304" width="600"]] 228 228 229 229 230 - 231 231 === 2.8.3 Upgrade steps === 232 232 233 233 234 -==== (% style="color:blue" %)1. Switch SW1 to put in ISP position(%%)====243 +==== 1. Switch SW1 to put in ISP position ==== 235 235 236 236 237 237 [[image:image-20220602102824-5.png||height="306" width="600"]] ... ... @@ -238,7 +238,7 @@ 238 238 239 239 240 240 241 -==== (% style="color:blue" %)2. Press the RST switch once(%%)====250 +==== 2. Press the RST switch once ==== 242 242 243 243 244 244 [[image:image-20220602104701-12.png||height="285" width="600"]] ... ... @@ -245,7 +245,7 @@ 245 245 246 246 247 247 248 -==== (% style="color:blue" %)3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%)====257 +==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ==== 249 249 250 250 251 251 ((( ... ... @@ -304,22 +304,287 @@ 304 304 305 305 306 306 307 -= 2.FAQ=316 += 3. LA66 USB LoRaWAN Adapter = 308 308 309 309 310 -== 2.1How to CompileSourceCode for LA66?==319 +== 3.1 Overview == 311 311 312 312 313 - Compile and Upload Code to ASR6601 Platform :[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Codeo ASR6601Platform.WebHome]]322 +[[image:image-20220715001142-3.png||height="145" width="220"]] 314 314 315 315 325 +((( 326 +(% 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. 327 +))) 316 316 317 -= 3. Order Info = 329 +((( 330 +(% 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. 331 +))) 318 318 333 +((( 334 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 335 +))) 319 319 320 -**Part Number:** (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) 337 +((( 338 +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. 339 +))) 321 321 341 +((( 342 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 343 +))) 322 322 345 + 346 + 347 +== 3.2 Features == 348 + 349 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 350 +* Ultra-long RF range 351 +* Support LoRaWAN v1.0.4 protocol 352 +* Support peer-to-peer protocol 353 +* TCXO crystal to ensure RF performance on low temperature 354 +* Spring RF antenna 355 +* Available in different frequency LoRaWAN frequency bands. 356 +* World-wide unique OTAA keys. 357 +* AT Command via UART-TTL interface 358 +* Firmware upgradable via UART interface 359 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 360 + 361 +== 3.3 Specification == 362 + 363 +* CPU: 32-bit 48 MHz 364 +* Flash: 256KB 365 +* RAM: 64KB 366 +* Input Power Range: 5v 367 +* Frequency Range: 150 MHz ~~ 960 MHz 368 +* Maximum Power +22 dBm constant RF output 369 +* High sensitivity: -148 dBm 370 +* Temperature: 371 +** Storage: -55 ~~ +125℃ 372 +** Operating: -40 ~~ +85℃ 373 +* Humidity: 374 +** Storage: 5 ~~ 95% (Non-Condensing) 375 +** Operating: 10 ~~ 95% (Non-Condensing) 376 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 377 +* LoRa Rx current: <9 mA 378 + 379 +== 3.4 Pin Mapping & LED == 380 + 381 + 382 + 383 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 384 + 385 + 386 +((( 387 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 388 +))) 389 + 390 + 391 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 392 + 393 + 394 +[[image:image-20220723100027-1.png]] 395 + 396 + 397 +Open the serial port tool 398 + 399 +[[image:image-20220602161617-8.png]] 400 + 401 +[[image:image-20220602161718-9.png||height="457" width="800"]] 402 + 403 + 404 + 405 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 406 + 407 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 408 + 409 + 410 +[[image:image-20220602161935-10.png||height="498" width="800"]] 411 + 412 + 413 + 414 +(% style="color:blue" %)**3. See Uplink Command** 415 + 416 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 417 + 418 +example: AT+SENDB=01,02,8,05820802581ea0a5 419 + 420 +[[image:image-20220602162157-11.png||height="497" width="800"]] 421 + 422 + 423 + 424 +(% style="color:blue" %)**4. Check to see if TTN received the message** 425 + 426 +[[image:image-20220602162331-12.png||height="420" width="800"]] 427 + 428 + 429 + 430 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 431 + 432 + 433 +**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]] 434 + 435 +(**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]]) 436 + 437 +(% style="color:red" %)**Preconditions:** 438 + 439 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 440 + 441 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 442 + 443 + 444 + 445 +(% style="color:blue" %)**Steps for usage:** 446 + 447 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 448 + 449 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 450 + 451 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 452 + 453 + 454 + 455 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 456 + 457 + 458 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 459 + 460 + 461 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 462 + 463 +[[image:image-20220723100439-2.png]] 464 + 465 + 466 + 467 +(% style="color:blue" %)**2. Install Minicom in RPi.** 468 + 469 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 470 + 471 + (% style="background-color:yellow" %)**apt update** 472 + 473 + (% style="background-color:yellow" %)**apt install minicom** 474 + 475 + 476 +Use minicom to connect to the RPI's terminal 477 + 478 +[[image:image-20220602153146-3.png||height="439" width="500"]] 479 + 480 + 481 + 482 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 483 + 484 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 485 + 486 + 487 +[[image:image-20220602154928-5.png||height="436" width="500"]] 488 + 489 + 490 + 491 +(% style="color:blue" %)**4. Send Uplink message** 492 + 493 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 494 + 495 +example: AT+SENDB=01,02,8,05820802581ea0a5 496 + 497 + 498 +[[image:image-20220602160339-6.png||height="517" width="600"]] 499 + 500 + 501 + 502 +Check to see if TTN received the message 503 + 504 +[[image:image-20220602160627-7.png||height="369" width="800"]] 505 + 506 + 507 + 508 +== 3.8 Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. == 509 + 510 +=== 3.8.1 DRAGINO-LA66-APP === 511 + 512 +[[image:image-20220723102027-3.png]] 513 + 514 +==== Overview: ==== 515 + 516 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module. 517 + 518 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 519 + 520 +==== Conditions of Use: ==== 521 + 522 +Requires a type-c to USB adapter 523 + 524 +[[image:image-20220723104754-4.png]] 525 + 526 +==== Use of APP: ==== 527 + 528 +Function and page introduction 529 + 530 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 531 + 532 +1.Display LA66 USB LoRaWAN Module connection status 533 + 534 +2.Check and reconnect 535 + 536 +3.Turn send timestamps on or off 537 + 538 +4.Display LoRaWan connection status 539 + 540 +5.Check LoRaWan connection status 541 + 542 +6.The RSSI value of the node when the ACK is received 543 + 544 +7.Node's Signal Strength Icon 545 + 546 +8.Set the packet sending interval of the node in seconds 547 + 548 +9.AT command input box 549 + 550 +10.Send AT command button 551 + 552 +11.Node log box 553 + 554 +12.clear log button 555 + 556 +13.exit button 557 + 558 +LA66 USB LoRaWAN Module not connected 559 + 560 +[[image:image-20220723110520-5.png||height="903" width="677"]] 561 + 562 +Connect LA66 USB LoRaWAN Module 563 + 564 +[[image:image-20220723110626-6.png||height="906" width="680"]] 565 + 566 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED === 567 + 568 +1.Register LA66 USB LoRaWAN Module to TTNV3 569 + 570 +[[image:image-20220723134549-8.png]] 571 + 572 +2.Open Node-RED,And import the JSON file to generate the flow 573 + 574 +Sample JSON file please go to this link to download:放置JSON文件的链接 575 + 576 +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/]] 577 + 578 +The following is the positioning effect map 579 + 580 +[[image:image-20220723144339-1.png]] 581 + 582 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 583 + 584 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method 585 + 586 +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) 587 + 588 +[[image:image-20220723150132-2.png]] 589 + 590 + 591 += 4. Order Info = 592 + 593 + 594 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 595 + 596 + 323 323 (% style="color:blue" %)**XXX**(%%): The default frequency band 324 324 325 325 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band ... ... @@ -332,10 +332,6 @@ 332 332 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 333 333 * (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 334 334 609 += 5. Reference = 335 335 336 - 337 - 338 -= 4. Reference = 339 - 340 - 341 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]] 611 +* 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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