Changes for page LA66 LoRaWAN Shield User Manual
Last modified by Xiaoling on 2023/05/26 14:19
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... ... @@ -1,447 +1,259 @@ 1 - 2 - 1 +{{box cssClass="floatinginfobox" title="**Contents**"}} 3 3 {{toc/}} 3 +{{/box}} 4 4 5 += LA66 LoRaWAN Module = 5 5 7 +== What is LA66 LoRaWAN Module == 6 6 7 - =1.LA66 LoRaWANModule=9 +**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 LoRa 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 program, create and connect your things everywhere. 8 8 11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol. 9 9 10 - ==1.1WhatisLA66LoRaWANModule==13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration. 11 11 12 12 13 -(% 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. 14 14 15 - (% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue"%)**LoRaWAN v1.0.4protocol**(%%). TheLoRaWAN stack usedin LA66is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk tomake stable LoRaWAN Sensorsto 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.17 +== Specification == 16 16 17 - Each LA66 moduleincludesa(% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.19 +[[image:image-20220517072526-1.png]] 18 18 19 - Besides the support of the LoRaWAN protocol, LA66 also supports(% style="color:blue" %)**open-sourcepeer-to-peer LoRaProtocol**(%%) for thenone-LoRaWANapplication.21 +Input Power Range: 1.8v ~~ 3.7v 20 20 21 - LA66 is equippedwith (% style="color:blue"%)**TCXO crystal**(%%) which ensures themodule can achieve stableperformanceinextreme temperatures.23 +Power Consumption: < 4uA. 22 22 25 +Frequency Range: 150 MHz ~~ 960 MHz 23 23 24 - ==1.2Features==27 +Maximum Power +22 dBm constant RF output 25 25 26 -* Support LoRaWAN v1.0.4 protocol 27 -* Support peer-to-peer protocol 28 -* TCXO crystal to ensure RF performance on low temperature 29 -* SMD Antenna pad and i-pex antenna connector 30 -* Available in different frequency LoRaWAN frequency bands. 31 -* World-wide unique OTAA keys. 32 -* AT Command via UART-TTL interface 33 -* Firmware upgradable via UART interface 34 -* Ultra-long RF range 29 +High sensitivity: -148 dBm 35 35 31 +Temperature: 36 36 33 +* Storage: -55 ~~ +125℃ 34 +* Operating: -40 ~~ +85℃ 37 37 38 - == 1.3 Specification ==36 +Humidity: 39 39 40 -* CPU: 32-bit 48 MHz 41 -* Flash: 256KB 42 -* RAM: 64KB 43 -* Input Power Range: 1.8v ~~ 3.7v 44 -* Power Consumption: < 4uA. 45 -* Frequency Range: 150 MHz ~~ 960 MHz 46 -* Maximum Power +22 dBm constant RF output 47 -* High sensitivity: -148 dBm 48 -* Temperature: 49 -** Storage: -55 ~~ +125℃ 50 -** Operating: -40 ~~ +85℃ 51 -* Humidity: 52 -** Storage: 5 ~~ 95% (Non-Condensing) 53 -** Operating: 10 ~~ 95% (Non-Condensing) 54 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 55 -* LoRa Rx current: <9 mA 56 -* I/O Voltage: 3.3v 38 +* Storage: 5 ~~ 95% (Non-Condensing) 39 +* Operating: 10 ~~ 95% (Non-Condensing) 57 57 41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 58 58 43 +LoRa Rx current: <9 mA 59 59 60 - ==1.4 AT Command==45 +I/O Voltage: 3.3v 61 61 62 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents. 63 63 48 +== AT Command == 64 64 65 - ==1.5Dimension==50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents. 66 66 67 -[[image:image-20220517072526-1.png]] 68 68 53 +== Pin Mapping == 69 69 70 - 71 -== 1.6 Pin Mapping == 72 - 73 - 74 74 [[image:image-20220523101537-1.png]] 75 75 57 +== Land Pattern == 76 76 77 - 78 -== 1.7 Land Pattern == 79 - 80 80 [[image:image-20220517072821-2.png]] 81 81 82 82 62 +== Part Number == 83 83 84 - =2.LA66LoRaWAN Shield =64 +Part Number: **LA66-XXX** 85 85 66 +**XX**: The default frequency band 86 86 87 -== 2.1 Overview == 68 +* **AS923**: LoRaWAN AS923 band 69 +* **AU915**: LoRaWAN AU915 band 70 +* **EU433**: LoRaWAN EU433 band 71 +* **EU868**: LoRaWAN EU868 band 72 +* **KR920**: LoRaWAN KR920 band 73 +* **US915**: LoRaWAN US915 band 74 +* **IN865**: LoRaWAN IN865 band 75 +* **CN470**: LoRaWAN CN470 band 88 88 89 - LA66LoRaWAN Shield is the Arduino shield base on LA66.Users can useLA66 LoRaWAN Shieldto rapidly add LoRaWAN or peer-to-peer LoRa wireless function to Arduino projects.77 += LA66 LoRaWAN Shield = 90 90 79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN. 91 91 92 -== 2.2Features==81 +== Pin Mapping & LED == 93 93 94 -* Arduino Shield base on LA66 LoRaWAN module 95 -* Support LoRaWAN v1.0.4 protocol 96 -* Support peer-to-peer protocol 97 -* TCXO crystal to ensure RF performance on low temperature 98 -* SMA connector 99 -* Available in different frequency LoRaWAN frequency bands. 100 -* World-wide unique OTAA keys. 101 -* AT Command via UART-TTL interface 102 -* Firmware upgradable via UART interface 103 -* Ultra-long RF range 83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 104 104 85 +== Example: Join TTN network and send an uplink message, get downlink message. == 105 105 87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. == 106 106 107 -== 2.3 Specification==89 +== Upgrade Firmware of LA66 LoRaWAN Shield == 108 108 109 -* CPU: 32-bit 48 MHz 110 -* Flash: 256KB 111 -* RAM: 64KB 112 -* Input Power Range: 1.8v ~~ 3.7v 113 -* Power Consumption: < 4uA. 114 -* Frequency Range: 150 MHz ~~ 960 MHz 115 -* Maximum Power +22 dBm constant RF output 116 -* High sensitivity: -148 dBm 117 -* Temperature: 118 -** Storage: -55 ~~ +125℃ 119 -** Operating: -40 ~~ +85℃ 120 -* Humidity: 121 -** Storage: 5 ~~ 95% (Non-Condensing) 122 -** Operating: 10 ~~ 95% (Non-Condensing) 123 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 124 -* LoRa Rx current: <9 mA 125 -* I/O Voltage: 3.3v 91 +=== what needs to be used === 126 126 93 +1.LA66 LoRaWAN Shield that needs to be upgraded 127 127 95 +2.Arduino 128 128 129 - == 2.4PinMapping &LED ==97 +3.USB TO TTL 130 130 99 +[[image:image-20220602100052-2.png]] 131 131 101 +=== Wiring Schematic === 132 132 133 - == 2.5 Example:Use AT Command to communicatewith LA66 module via Arduino UNO.==103 +[[image:image-20220602101311-3.png]] 134 134 105 +LA66 LoRaWAN Shield >>>>>>>>>>>>USB TTL 135 135 107 +GND >>>>>>>>>>>>GND 136 136 137 - == 2.6Example:JoinTTNnetworkandsendanuplinkmessage,getdownlinkmessage.==109 +TXD >>>>>>>>>>>>TXD 138 138 111 +RXD >>>>>>>>>>>>RXD 139 139 113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap 140 140 141 - == 2.7 Example:LogTemperatureSensor(DHT11)and send data to TTN, showit inDataCake.==115 +Connect to the PC after connecting the wires 142 142 117 +[[image:image-20220602102240-4.png]] 143 143 119 +=== Upgrade steps === 144 144 145 -== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ==== 146 146 123 +[[image:image-20220602102824-5.png]] 147 147 148 -=== 2.8.1Items neededforupdate ===125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ==== 149 149 150 -1. LA66 LoRaWAN Shield 151 -1. Arduino 152 -1. USB TO TTL Adapter 127 +[[image:image-20220602104701-12.png]] 153 153 154 - [[image:image-20220602100052-2.png||height="385" width="600"]]129 +==== Open the upgrade application software ==== 155 155 131 +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/]] 156 156 157 -=== 2.8.2 Connection === 158 - 159 - 160 -[[image:image-20220602101311-3.png||height="276" width="600"]] 161 - 162 - 163 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 164 - 165 -(% style="background-color:yellow" %)**GND <-> GND 166 -TXD <-> TXD 167 -RXD <-> RXD** 168 - 169 - 170 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 171 - 172 -Connect USB TTL Adapter to PC after connecting the wires 173 - 174 - 175 -[[image:image-20220602102240-4.png||height="304" width="600"]] 176 - 177 - 178 -=== 2.8.3 Upgrade steps === 179 - 180 - 181 -==== 1. Switch SW1 to put in ISP position ==== 182 - 183 - 184 -[[image:image-20220602102824-5.png||height="306" width="600"]] 185 - 186 - 187 - 188 -==== 2. Press the RST switch once ==== 189 - 190 -[[image:image-20220602104701-12.png||height="285" width="600"]] 191 - 192 - 193 - 194 -==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ==== 195 - 196 - 197 -(% 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/]]** 198 - 199 - 200 200 [[image:image-20220602103227-6.png]] 201 201 202 - 203 203 [[image:image-20220602103357-7.png]] 204 204 137 +===== Select the COM port corresponding to USB TTL ===== 205 205 206 - 207 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 208 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 209 - 210 - 211 211 [[image:image-20220602103844-8.png]] 212 212 141 +===== Select the bin file to burn ===== 213 213 214 - 215 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 216 -(% style="color:blue" %)**3. Select the bin file to burn** 217 - 218 - 219 219 [[image:image-20220602104144-9.png]] 220 220 221 - 222 222 [[image:image-20220602104251-10.png]] 223 223 224 - 225 225 [[image:image-20220602104402-11.png]] 226 226 149 +===== Click to start the download ===== 227 227 228 - 229 -(% class="wikigeneratedid" id="HClicktostartthedownload" %) 230 -(% style="color:blue" %)**4. Click to start the download** 231 - 232 232 [[image:image-20220602104923-13.png]] 233 233 153 +===== The following figure appears to prove that the burning is in progress ===== 234 234 235 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 236 -(% style="color:blue" %)**5. Check update process** 237 - 238 - 239 239 [[image:image-20220602104948-14.png]] 240 240 157 +===== The following picture appears to prove that the burning is successful ===== 241 241 242 - 243 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 244 -(% style="color:blue" %)**The following picture shows that the burning is successful** 245 - 246 246 [[image:image-20220602105251-15.png]] 247 247 161 += LA66 USB LoRaWAN Adapter = 248 248 163 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface. 249 249 250 - =3.LA66USB LoRaWANAdapter=165 +Before use, please make sure that the computer has installed the CP2102 driver 251 251 167 +== Pin Mapping & LED == 252 252 253 -== 3.1Overview==169 +== Example Send & Get Messages via LoRaWAN in PC == 254 254 255 - LA66 USB LoRaWAN Adapter is designed to fast turnUSB devicestosupportLoRaWAN wirelessfeatures. It combines a CP2101 USB TTLChip and LA66 LoRaWANmodule which caneasytoadd LoRaWAN wireless featuretoPC/ Mobile phone or an embedded device that has USB Interface.171 +Connect the LA66 LoRa Shield to the PC 256 256 173 +[[image:image-20220602153333-4.png]] 257 257 258 -== 3.2 Features == 259 - 260 -* LoRaWAN USB adapter base on LA66 LoRaWAN module 261 -* Ultra-long RF range 262 -* Support LoRaWAN v1.0.4 protocol 263 -* Support peer-to-peer protocol 264 -* TCXO crystal to ensure RF performance on low temperature 265 -* Spring RF antenna 266 -* Available in different frequency LoRaWAN frequency bands. 267 -* World-wide unique OTAA keys. 268 -* AT Command via UART-TTL interface 269 -* Firmware upgradable via UART interface 270 - 271 -== 3.3 Specification == 272 - 273 -* CPU: 32-bit 48 MHz 274 -* Flash: 256KB 275 -* RAM: 64KB 276 -* Input Power Range: 5v 277 -* Frequency Range: 150 MHz ~~ 960 MHz 278 -* Maximum Power +22 dBm constant RF output 279 -* High sensitivity: -148 dBm 280 -* Temperature: 281 -** Storage: -55 ~~ +125℃ 282 -** Operating: -40 ~~ +85℃ 283 -* Humidity: 284 -** Storage: 5 ~~ 95% (Non-Condensing) 285 -** Operating: 10 ~~ 95% (Non-Condensing) 286 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 287 -* LoRa Rx current: <9 mA 288 - 289 -== 3.4 Pin Mapping & LED == 290 - 291 - 292 - 293 -== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 294 - 295 - 296 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 297 - 298 - 299 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 300 - 301 - 302 -[[image:image-20220602171217-1.png||height="538" width="800"]] 303 - 304 - 305 305 Open the serial port tool 306 306 307 307 [[image:image-20220602161617-8.png]] 308 308 309 -[[image:image-20220602161718-9.png||height=" 457" width="800"]]179 +[[image:image-20220602161718-9.png||height="529" width="927"]] 310 310 181 +Press the reset switch RST on the LA66 LoRa Shield. 311 311 183 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network 312 312 313 - (% style="color:blue" %)**2. Press the reset switch RST on theLA66USB LoRaWAN Adapter to reset it.**185 +[[image:image-20220602161935-10.png]] 314 314 315 - Thefollowingpicture appearstoprove that the LA66 USBLoRaWAN Adapterccessfully Jointhe LoRaWAN network187 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data> 316 316 317 - 318 -[[image:image-20220602161935-10.png||height="498" width="800"]] 319 - 320 - 321 - 322 -(% style="color:blue" %)**3. See Uplink Command** 323 - 324 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 325 - 326 326 example: AT+SENDB=01,02,8,05820802581ea0a5 327 327 328 -[[image:image-20220602162157-11.png ||height="497" width="800"]]191 +[[image:image-20220602162157-11.png]] 329 329 193 +Check to see if TTN received the message 330 330 195 +[[image:image-20220602162331-12.png||height="547" width="1044"]] 331 331 332 - (%style="color:blue"%)**4.ChecktoseeifTTNreceivedthemessage**197 +== Example Send & Get Messages via LoRaWAN in RPi == 333 333 334 - [[image:image-20220602162331-12.png||height="420"width="800"]]199 +Connect the LA66 LoRa Shield to the RPI 335 335 201 +[[image:image-20220602153333-4.png]] 336 336 203 +Log in to the RPI's terminal and connect to the serial port 337 337 338 - == 3.6 Example: Send PC's CPU/RAM usageto TTN viaython==205 +[[image:image-20220602153146-3.png]] 339 339 207 +Press the reset switch RST on the LA66 LoRa Shield. 208 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network 340 340 341 - **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]]210 +[[image:image-20220602154928-5.png]] 342 342 212 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data> 343 343 344 -(% style="color:red" %)**Preconditions:** 345 - 346 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 347 - 348 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 349 - 350 - 351 - 352 -(% style="color:blue" %)**Steps for usage:** 353 - 354 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 355 - 356 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 357 - 358 -[[image:image-20220602115852-3.png||height="450" width="1187"]] 359 - 360 - 361 - 362 -== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 363 - 364 - 365 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 366 - 367 - 368 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 369 - 370 -[[image:image-20220602171233-2.png||height="538" width="800"]] 371 - 372 - 373 - 374 -(% style="color:blue" %)**2. Install Minicom in RPi.** 375 - 376 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 377 - 378 - (% style="background-color:yellow" %)**apt update** 379 - 380 - (% style="background-color:yellow" %)**apt install minicom** 381 - 382 - 383 -Use minicom to connect to the RPI's terminal 384 - 385 -[[image:image-20220602153146-3.png||height="439" width="500"]] 386 - 387 - 388 - 389 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%) 390 -(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network 391 - 392 -[[image:image-20220602154928-5.png||height="436" width="500"]] 393 - 394 - 395 - 396 -(% style="color:blue" %)**4. Send Uplink message** 397 - 398 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 399 - 400 400 example: AT+SENDB=01,02,8,05820802581ea0a5 401 401 216 +[[image:image-20220602160339-6.png]] 402 402 403 -[[image:image-20220602160339-6.png||height="517" width="600"]] 404 - 405 - 406 - 407 407 Check to see if TTN received the message 408 408 409 -[[image:image-20220602160627-7.png||height=" 369" width="800"]]220 +[[image:image-20220602160627-7.png||height="468" width="1013"]] 410 410 222 +=== Install Minicom === 411 411 224 +Enter the following command in the RPI terminal 412 412 413 - == 3.8 Example: LA66 USB Module gota message from LA66 LoRa Shieldnd sendthesensor data to NodeRed. ==226 +apt update 414 414 228 +[[image:image-20220602143155-1.png]] 415 415 230 +apt install minicom 416 416 417 - == 3.9 UpgradeFirmwareof LA66 USB LoRaWAN Adapter ==232 +[[image:image-20220602143744-2.png]] 418 418 234 +=== Send PC's CPU/RAM usage to TTN via script. === 419 419 236 +==== Take python as an example: ==== 420 420 238 +===== Preconditions: ===== 421 421 422 - = 4.OrderInfo=240 +1.LA66 LoRa Shield works fine 423 423 242 +2.LA66 LoRa Shield is registered with TTN 424 424 425 - **Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue"%)**LA66-LoRaWAN-Shield-XXX**(%%) **or**(% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**244 +===== Steps for usage ===== 426 426 246 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below 427 427 428 - (% style="color:blue" %)**XXX**(%%): The default frequency band248 +[[image:image-20220602114148-1.png]] 429 429 430 -* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 431 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 432 -* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 433 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 434 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 435 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 436 -* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 437 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 438 -* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 250 +2.Run the script and see the TTN 439 439 252 +[[image:image-20220602115852-3.png]] 440 440 441 441 442 442 443 -= 5.Reference =256 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. == 444 444 445 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]] 446 446 447 - 259 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==