Changes for page LA66 LoRaWAN Shield User Manual
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... ... @@ -1,445 +1,263 @@ 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 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. 8 8 11 +**LA66 **is a ready-to-use module that includes the LoRaWAN v1.0.4 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 for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol. 9 9 10 -== 1.1 What is LA66 LoRaWAN Module == 11 11 14 +LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures. 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-usemodulethatincludesthe(% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack usedin LA66 isused inmore than 1 million LoRaWAN End Devices deployed world widely. This matureLoRaWANstackgreatlyreduces the risk tomake stable LoRaWAN Sensorsto support differentLoRaWANservers and different countries' standards. External MCU can use AT commandto call LA66 and start to transmit data via the LoRaWAN protocol.17 +**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration. 16 16 17 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 18 18 19 -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. 20 20 21 - LA66is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performancein extreme temperatures.21 +== Specification == 22 22 23 +[[image:image-20220517072526-1.png]] 23 23 24 - ==1.2 Features==25 +Input Power Range: 1.8v ~~ 3.7v 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 27 +Power Consumption: < 4uA. 35 35 29 +Frequency Range: 150 MHz ~~ 960 MHz 36 36 31 +Maximum Power +22 dBm constant RF output 37 37 38 - ==1.3 Specification==33 +High sensitivity: -148 dBm 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 35 +Temperature: 57 57 37 +* Storage: -55 ~~ +125℃ 38 +* Operating: -40 ~~ +85℃ 58 58 40 +Humidity: 59 59 60 -== 1.4 AT Command == 42 +* Storage: 5 ~~ 95% (Non-Condensing) 43 +* Operating: 10 ~~ 95% (Non-Condensing) 61 61 62 - AT Commandis valid over MainTXDand Main RXD. Serial Baud Rateis9600.ATcommandscanbe foundinATCommanddocuments.45 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 63 63 47 +LoRa Rx current: <9 mA 64 64 65 - ==1.5 Dimension==49 +I/O Voltage: 3.3v 66 66 67 -[[image:image-20220517072526-1.png]] 68 68 52 +== AT Command == 69 69 54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents. 70 70 71 -== 1.6 Pin Mapping == 72 72 57 +== Pin Mapping == 73 73 74 74 [[image:image-20220523101537-1.png]] 75 75 61 +== Land Pattern == 76 76 77 - 78 -== 1.7 Land Pattern == 79 - 80 80 [[image:image-20220517072821-2.png]] 81 81 82 82 66 +== Part Number == 83 83 84 - =2.LA66LoRaWAN Shield =68 +Part Number: **LA66-XXX** 85 85 70 +**XX**: The default frequency band 86 86 87 -== 2.1 Overview == 72 +* **AS923**: LoRaWAN AS923 band 73 +* **AU915**: LoRaWAN AU915 band 74 +* **EU433**: LoRaWAN EU433 band 75 +* **EU868**: LoRaWAN EU868 band 76 +* **KR920**: LoRaWAN KR920 band 77 +* **US915**: LoRaWAN US915 band 78 +* **IN865**: LoRaWAN IN865 band 79 +* **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.81 += LA66 LoRaWAN Shield = 90 90 83 +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==85 +== 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 87 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 104 104 89 +== Example: Join TTN network and send an uplink message, get downlink message. == 105 105 91 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. == 106 106 107 -== 2.3 Specification==93 +== 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 95 +=== what needs to be used === 126 126 97 +1.LA66 LoRaWAN Shield that needs to be upgraded 127 127 99 +2.Arduino 128 128 129 - == 2.4PinMapping &LED ==101 +3.USB TO TTL 130 130 103 +[[image:image-20220602100052-2.png]] 131 131 105 +=== Wiring Schematic === 132 132 133 - == 2.5 Example:Use AT Command to communicatewith LA66 module via Arduino UNO.==107 +[[image:image-20220602101311-3.png]] 134 134 109 +LA66 LoRaWAN Shield >>>>>>>>>>>>USB TTL 135 135 111 +GND >>>>>>>>>>>>GND 136 136 137 - == 2.6Example:JoinTTNnetworkandsendanuplinkmessage,getdownlinkmessage.==113 +TXD >>>>>>>>>>>>TXD 138 138 115 +RXD >>>>>>>>>>>>RXD 139 139 117 +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.==119 +Connect to the PC after connecting the wires 142 142 121 +[[image:image-20220602102240-4.png]] 143 143 123 +=== Upgrade steps === 144 144 145 -== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield ==125 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ==== 146 146 127 +[[image:image-20220602102824-5.png]] 147 147 148 -=== 2.8.1Items neededforupdate ===129 +==== 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 131 +[[image:image-20220602104701-12.png]] 153 153 154 - [[image:image-20220602100052-2.png||height="385" width="600"]]133 +==== Open the upgrade application software ==== 155 155 135 +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 -==== 2. Press the RST switch once ==== 188 - 189 -[[image:image-20220602104701-12.png||height="285" width="600"]] 190 - 191 - 192 -==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ==== 193 - 194 - 195 -(% 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/]]** 196 - 197 - 198 198 [[image:image-20220602103227-6.png]] 199 199 200 - 201 201 [[image:image-20220602103357-7.png]] 202 202 141 +===== Select the COM port corresponding to USB TTL ===== 203 203 204 - 205 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 206 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 207 - 208 - 209 209 [[image:image-20220602103844-8.png]] 210 210 145 +===== Select the bin file to burn ===== 211 211 212 - 213 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 214 -(% style="color:blue" %)**3. Select the bin file to burn** 215 - 216 - 217 217 [[image:image-20220602104144-9.png]] 218 218 219 - 220 220 [[image:image-20220602104251-10.png]] 221 221 222 - 223 223 [[image:image-20220602104402-11.png]] 224 224 153 +===== Click to start the download ===== 225 225 226 - 227 -(% class="wikigeneratedid" id="HClicktostartthedownload" %) 228 -(% style="color:blue" %)**4. Click to start the download** 229 - 230 230 [[image:image-20220602104923-13.png]] 231 231 157 +===== The following figure appears to prove that the burning is in progress ===== 232 232 233 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 234 -(% style="color:blue" %)**5. Check update process** 235 - 236 - 237 237 [[image:image-20220602104948-14.png]] 238 238 161 +===== The following picture appears to prove that the burning is successful ===== 239 239 240 - 241 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 242 -(% style="color:blue" %)**The following picture shows that the burning is successful** 243 - 244 244 [[image:image-20220602105251-15.png]] 245 245 165 += LA66 USB LoRaWAN Adapter = 246 246 167 +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. 247 247 248 - =3.LA66USB LoRaWANAdapter=169 +Before use, please make sure that the computer has installed the CP2102 driver 249 249 171 +== Pin Mapping & LED == 250 250 251 -== 3.1Overview==173 +== Example Send & Get Messages via LoRaWAN in PC == 252 252 253 - 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.175 +Connect the LA66 LoRa Shield to the PC 254 254 177 +[[image:image-20220602171217-1.png||height="615" width="915"]] 255 255 256 -== 3.2 Features == 257 - 258 -* LoRaWAN USB adapter base on LA66 LoRaWAN module 259 -* Ultra-long RF range 260 -* Support LoRaWAN v1.0.4 protocol 261 -* Support peer-to-peer protocol 262 -* TCXO crystal to ensure RF performance on low temperature 263 -* Spring RF antenna 264 -* Available in different frequency LoRaWAN frequency bands. 265 -* World-wide unique OTAA keys. 266 -* AT Command via UART-TTL interface 267 -* Firmware upgradable via UART interface 268 - 269 -== 3.3 Specification == 270 - 271 -* CPU: 32-bit 48 MHz 272 -* Flash: 256KB 273 -* RAM: 64KB 274 -* Input Power Range: 5v 275 -* Frequency Range: 150 MHz ~~ 960 MHz 276 -* Maximum Power +22 dBm constant RF output 277 -* High sensitivity: -148 dBm 278 -* Temperature: 279 -** Storage: -55 ~~ +125℃ 280 -** Operating: -40 ~~ +85℃ 281 -* Humidity: 282 -** Storage: 5 ~~ 95% (Non-Condensing) 283 -** Operating: 10 ~~ 95% (Non-Condensing) 284 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 285 -* LoRa Rx current: <9 mA 286 - 287 -== 3.4 Pin Mapping & LED == 288 - 289 - 290 - 291 -== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 292 - 293 - 294 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 295 - 296 - 297 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 298 - 299 - 300 -[[image:image-20220602171217-1.png||height="538" width="800"]] 301 - 302 - 303 303 Open the serial port tool 304 304 305 305 [[image:image-20220602161617-8.png]] 306 306 307 -[[image:image-20220602161718-9.png||height=" 457" width="800"]]183 +[[image:image-20220602161718-9.png||height="529" width="927"]] 308 308 185 +Press the reset switch RST on the LA66 LoRa Shield. 309 309 187 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network 310 310 311 - (% style="color:blue" %)**2. Press the reset switch RST on theLA66USB LoRaWAN Adapter to reset it.**189 +[[image:image-20220602161935-10.png]] 312 312 313 - Thefollowingpicture appearstoprove that the LA66 USBLoRaWAN Adapterccessfully Jointhe LoRaWAN network191 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data> 314 314 315 - 316 -[[image:image-20220602161935-10.png||height="498" width="800"]] 317 - 318 - 319 - 320 -(% style="color:blue" %)**3. See Uplink Command** 321 - 322 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 323 - 324 324 example: AT+SENDB=01,02,8,05820802581ea0a5 325 325 326 -[[image:image-20220602162157-11.png ||height="497" width="800"]]195 +[[image:image-20220602162157-11.png]] 327 327 197 +Check to see if TTN received the message 328 328 199 +[[image:image-20220602162331-12.png||height="547" width="1044"]] 329 329 330 - (%style="color:blue"%)**4.ChecktoseeifTTNreceivedthemessage**201 +== Example Send & Get Messages via LoRaWAN in RPi == 331 331 332 - [[image:image-20220602162331-12.png||height="420"width="800"]]203 +Connect the LA66 LoRa Shield to the RPI 333 333 205 +[[image:image-20220602171233-2.png||height="592" width="881"]] 334 334 207 +Log in to the RPI's terminal and connect to the serial port 335 335 336 - == 3.6 Example: Send PC's CPU/RAM usageto TTN viaython==209 +[[image:image-20220602153146-3.png]] 337 337 211 +Press the reset switch RST on the LA66 LoRa Shield. 212 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network 338 338 339 - **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]]214 +[[image:image-20220602154928-5.png]] 340 340 216 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data> 341 341 342 -(% style="color:red" %)**Preconditions:** 343 - 344 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 345 - 346 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 347 - 348 - 349 - 350 -(% style="color:blue" %)**Steps for usage:** 351 - 352 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 353 - 354 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 355 - 356 -[[image:image-20220602115852-3.png||height="450" width="1187"]] 357 - 358 - 359 - 360 -== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 361 - 362 - 363 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 364 - 365 - 366 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 367 - 368 -[[image:image-20220602171233-2.png||height="538" width="800"]] 369 - 370 - 371 - 372 -(% style="color:blue" %)**2. Install Minicom in RPi.** 373 - 374 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 375 - 376 - (% style="background-color:yellow" %)**apt update** 377 - 378 - (% style="background-color:yellow" %)**apt install minicom** 379 - 380 - 381 -Use minicom to connect to the RPI's terminal 382 - 383 -[[image:image-20220602153146-3.png||height="439" width="500"]] 384 - 385 - 386 - 387 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%) 388 -(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network 389 - 390 -[[image:image-20220602154928-5.png||height="436" width="500"]] 391 - 392 - 393 - 394 -(% style="color:blue" %)**4. Send Uplink message** 395 - 396 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 397 - 398 398 example: AT+SENDB=01,02,8,05820802581ea0a5 399 399 220 +[[image:image-20220602160339-6.png]] 400 400 401 -[[image:image-20220602160339-6.png||height="517" width="600"]] 402 - 403 - 404 - 405 405 Check to see if TTN received the message 406 406 407 -[[image:image-20220602160627-7.png||height=" 369" width="800"]]224 +[[image:image-20220602160627-7.png||height="468" width="1013"]] 408 408 226 +=== Install Minicom === 409 409 228 +Enter the following command in the RPI terminal 410 410 411 - == 3.8 Example: LA66 USB Module gota message from LA66 LoRa Shieldnd sendthesensor data to NodeRed. ==230 +apt update 412 412 232 +[[image:image-20220602143155-1.png]] 413 413 234 +apt install minicom 414 414 415 - == 3.9 UpgradeFirmwareof LA66 USB LoRaWAN Adapter ==236 +[[image:image-20220602143744-2.png]] 416 416 238 +=== Send PC's CPU/RAM usage to TTN via script. === 417 417 240 +==== Take python as an example: ==== 418 418 242 +===== Preconditions: ===== 419 419 420 - = 4.OrderInfo=244 +1.LA66 USB LoRaWAN Adapter works fine 421 421 246 +2.LA66 USB LoRaWAN Adapter is registered with TTN 422 422 423 - **Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue"%)**LA66-LoRaWAN-Shield-XXX**(%%) **or**(% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**248 +===== Steps for usage ===== 424 424 250 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 425 425 426 - (%style="color:blue"%)**XXX**(%%):Thedefaultfrequencyband252 +2.Run the script and see the TTN 427 427 428 -* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 429 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 430 -* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 431 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 432 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 433 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 434 -* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 435 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 436 -* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 254 +[[image:image-20220602115852-3.png]] 437 437 438 438 439 439 258 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. == 440 440 441 -= 5. Reference = 442 442 443 - *HardwareDesignFileforLA66LoRaWAN Shield, LA66USB LoRaWAN Adapter: [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]261 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter == 444 444 445 445