Changes for page LA66 LoRaWAN Shield User Manual
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... ... @@ -1,263 +1,442 @@ 1 + 2 + 1 1 {{box cssClass="floatinginfobox" title="**Contents**"}} 2 2 {{toc/}} 3 3 {{/box}} 4 4 5 - = LA66 LoRaWAN Module =7 +{{toc/}} 6 6 7 -== What is LA66 LoRaWAN Module == 8 8 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. 10 10 11 - **LA66**is a ready-to-use module that includes the LoRaWAN v1.0.4protocol. TheLoRaWAN stack used in LA66is used in more than 1 millionLoRaWANEnd Devices deployedworld widely. This mature LoRaWAN stack greatly reducesthe 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.11 += 1. LA66 LoRaWAN Module = 12 12 13 13 14 - LA66isequipped with**TCXO crystal**which ensuresthemodule canachieve the stable performance in extreme temperatures.14 +== 1.1 What is LA66 LoRaWAN Module == 15 15 16 16 17 -** EachLA66cludes aworld-uniqueOTAAkeyfor LoRaWAN registration.17 +(% 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. 18 18 19 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**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 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. 19 19 21 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 20 20 21 -= =Specification==23 +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. 22 22 25 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 26 + 27 + 28 +== 1.2 Features == 29 + 30 +* Support LoRaWAN v1.0.4 protocol 31 +* Support peer-to-peer protocol 32 +* TCXO crystal to ensure RF performance on low temperature 33 +* SMD Antenna pad and i-pex antenna connector 34 +* Available in different frequency LoRaWAN frequency bands. 35 +* World-wide unique OTAA keys. 36 +* AT Command via UART-TTL interface 37 +* Firmware upgradable via UART interface 38 +* Ultra-long RF range 39 + 40 +== 1.3 Specification == 41 + 42 +* CPU: 32-bit 48 MHz 43 +* Flash: 256KB 44 +* RAM: 64KB 45 +* Input Power Range: 1.8v ~~ 3.7v 46 +* Power Consumption: < 4uA. 47 +* Frequency Range: 150 MHz ~~ 960 MHz 48 +* Maximum Power +22 dBm constant RF output 49 +* High sensitivity: -148 dBm 50 +* Temperature: 51 +** Storage: -55 ~~ +125℃ 52 +** Operating: -40 ~~ +85℃ 53 +* Humidity: 54 +** Storage: 5 ~~ 95% (Non-Condensing) 55 +** Operating: 10 ~~ 95% (Non-Condensing) 56 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 57 +* LoRa Rx current: <9 mA 58 +* I/O Voltage: 3.3v 59 + 60 +== 1.4 AT Command == 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 + 64 + 65 +== 1.5 Dimension == 66 + 23 23 [[image:image-20220517072526-1.png]] 24 24 25 -Input Power Range: 1.8v ~~ 3.7v 26 26 27 -Power Consumption: < 4uA. 28 28 29 - FrequencyRange:150 MHz ~~ 960 MHz71 +== 1.6 Pin Mapping == 30 30 31 -Maximum Power +22 dBm constant RF output 32 32 33 - High sensitivity:48 dBm74 +[[image:image-20220523101537-1.png]] 34 34 35 -Temperature: 36 36 37 -* Storage: -55 ~~ +125℃ 38 -* Operating: -40 ~~ +85℃ 39 39 40 - Humidity:78 +== 1.7 Land Pattern == 41 41 42 -* Storage: 5 ~~ 95% (Non-Condensing) 43 -* Operating: 10 ~~ 95% (Non-Condensing) 80 +[[image:image-20220517072821-2.png]] 44 44 45 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 46 46 47 -LoRa Rx current: <9 mA 48 48 49 - I/OVoltage:3.3v84 += 2. LA66 LoRaWAN Shield = 50 50 51 51 52 -== ATCommand==87 +== 2.1 Overview == 53 53 54 -A TCommand isvalid overMainTXDandMainRXD.SerialBaud Rateis 9600. AT commandscan be foundinAT Commanddocuments.89 +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. 55 55 56 56 57 -== PinMapping==92 +== 2.2 Features == 58 58 59 -[[image:image-20220523101537-1.png]] 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 60 60 61 -== LandPattern ==105 +== 2.3 Specification == 62 62 63 -[[image:image-20220517072821-2.png]] 107 +* CPU: 32-bit 48 MHz 108 +* Flash: 256KB 109 +* RAM: 64KB 110 +* Input Power Range: 1.8v ~~ 3.7v 111 +* Power Consumption: < 4uA. 112 +* Frequency Range: 150 MHz ~~ 960 MHz 113 +* Maximum Power +22 dBm constant RF output 114 +* High sensitivity: -148 dBm 115 +* Temperature: 116 +** Storage: -55 ~~ +125℃ 117 +** Operating: -40 ~~ +85℃ 118 +* Humidity: 119 +** Storage: 5 ~~ 95% (Non-Condensing) 120 +** Operating: 10 ~~ 95% (Non-Condensing) 121 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 122 +* LoRa Rx current: <9 mA 123 +* I/O Voltage: 3.3v 64 64 125 +== 2.4 Pin Mapping & LED == 65 65 66 -== Part Number == 67 67 68 -Part Number: **LA66-XXX** 69 69 70 - **XX**:Thedefaultfrequencyband129 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 71 71 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 80 80 81 -= LA66 LoRaWAN Shield = 82 82 83 - LA66LoRaWAN ShieldistheArduinoBreakoutPCB to fasttest thefeaturesof LA66 moduleandturnArduinotosupport LoRaWAN.133 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 84 84 85 -== Pin Mapping & LED == 86 86 87 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 88 88 89 -== Example: JoinTTN networkand send an uplink message,getdownlinkmessage. ==137 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. == 90 90 91 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. == 92 92 93 -== Upgrade Firmware of LA66 LoRaWAN Shield == 94 94 95 -== =whatneedstobeused ===141 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 96 96 97 -1.LA66 LoRaWAN Shield that needs to be upgraded 98 98 99 -2. Arduino144 +=== 2.8.1 Items needed for update === 100 100 101 -3.USB TO TTL 146 +1. LA66 LoRaWAN Shield 147 +1. Arduino 148 +1. USB TO TTL Adapter 102 102 103 -[[image:image-20220602100052-2.png]] 150 +[[image:image-20220602100052-2.png||height="385" width="600"]] 104 104 105 -=== Wiring Schematic === 106 106 107 - [[image:image-20220602101311-3.png]]153 +=== 2.8.2 Connection === 108 108 109 -LA66 LoRaWAN Shield >>>>>>>>>>>>USB TTL 110 110 111 - GND>>>>>>>>>>>>GND156 +[[image:image-20220602101311-3.png||height="276" width="600"]] 112 112 113 -TXD >>>>>>>>>>>>TXD 114 114 115 - RXD>>>>>>>>>>>>RXD159 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 116 116 117 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap 118 118 119 -Connect to the PC after connecting the wires 162 +(% style="background-color:yellow" %)**GND <-> GND 163 +TXD <-> TXD 164 +RXD <-> RXD** 120 120 121 -[[image:image-20220602102240-4.png]] 122 122 123 - ===Upgradesteps===167 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 124 124 125 - ==== Dial the SW1of theLA66LoRaWAN Shield tothe ISP'slocationas shownfigurebelow ====169 +Connect USB TTL Adapter to PC after connecting the wires 126 126 127 -[[image:image-20220602102824-5.png]] 128 128 129 - ==== Press theRST switchontheLA66 LoRaWAN Shieldonce====172 +[[image:image-20220602102240-4.png||height="304" width="600"]] 130 130 131 -[[image:image-20220602104701-12.png]] 132 132 133 -=== =Openthe upgradeapplicationsoftware ====175 +=== 2.8.3 Upgrade steps === 134 134 135 -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/]] 136 136 178 +==== 1. Switch SW1 to put in ISP position ==== 179 + 180 + 181 +[[image:image-20220602102824-5.png||height="306" width="600"]] 182 + 183 + 184 +==== 2. Press the RST switch once ==== 185 + 186 +[[image:image-20220602104701-12.png||height="285" width="600"]] 187 + 188 + 189 +==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ==== 190 + 191 + 192 +(% 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/]]** 193 + 194 + 137 137 [[image:image-20220602103227-6.png]] 138 138 197 + 139 139 [[image:image-20220602103357-7.png]] 140 140 141 -===== Select the COM port corresponding to USB TTL ===== 142 142 201 + 202 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 203 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 204 + 205 + 143 143 [[image:image-20220602103844-8.png]] 144 144 145 -===== Select the bin file to burn ===== 146 146 209 + 210 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 211 +(% style="color:blue" %)**3. Select the bin file to burn** 212 + 213 + 147 147 [[image:image-20220602104144-9.png]] 148 148 216 + 149 149 [[image:image-20220602104251-10.png]] 150 150 219 + 151 151 [[image:image-20220602104402-11.png]] 152 152 153 -===== Click to start the download ===== 154 154 223 + 224 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 225 +(% style="color:blue" %)**4. Click to start the download** 226 + 155 155 [[image:image-20220602104923-13.png]] 156 156 157 -===== The following figure appears to prove that the burning is in progress ===== 158 158 230 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 231 +(% style="color:blue" %)**5. Check update process** 232 + 233 + 159 159 [[image:image-20220602104948-14.png]] 160 160 161 -===== The following picture appears to prove that the burning is successful ===== 162 162 237 + 238 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 239 +(% style="color:blue" %)**The following picture shows that the burning is successful** 240 + 163 163 [[image:image-20220602105251-15.png]] 164 164 165 -= LA66 USB LoRaWAN Adapter = 166 166 167 -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. 168 168 169 - Beforeuse,pleasemakesure that the computer hasinstalledheCP2102 driver245 += 3. LA66 USB LoRaWAN Adapter = 170 170 171 -== Pin Mapping & LED == 172 172 173 -== ExampleSend & Get MessagesviaLoRaWAN in PC==248 +== 3.1 Overview == 174 174 175 - Connect the LA66 LoRaShieldto the PC250 +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. 176 176 177 -[[image:image-20220602171217-1.png||height="615" width="915"]] 178 178 253 +== 3.2 Features == 254 + 255 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 256 +* Ultra-long RF range 257 +* Support LoRaWAN v1.0.4 protocol 258 +* Support peer-to-peer protocol 259 +* TCXO crystal to ensure RF performance on low temperature 260 +* Spring RF antenna 261 +* Available in different frequency LoRaWAN frequency bands. 262 +* World-wide unique OTAA keys. 263 +* AT Command via UART-TTL interface 264 +* Firmware upgradable via UART interface 265 + 266 +== 3.3 Specification == 267 + 268 +* CPU: 32-bit 48 MHz 269 +* Flash: 256KB 270 +* RAM: 64KB 271 +* Input Power Range: 5v 272 +* Frequency Range: 150 MHz ~~ 960 MHz 273 +* Maximum Power +22 dBm constant RF output 274 +* High sensitivity: -148 dBm 275 +* Temperature: 276 +** Storage: -55 ~~ +125℃ 277 +** Operating: -40 ~~ +85℃ 278 +* Humidity: 279 +** Storage: 5 ~~ 95% (Non-Condensing) 280 +** Operating: 10 ~~ 95% (Non-Condensing) 281 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 282 +* LoRa Rx current: <9 mA 283 + 284 +== 3.4 Pin Mapping & LED == 285 + 286 + 287 + 288 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 289 + 290 + 291 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 292 + 293 + 294 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 295 + 296 + 297 +[[image:image-20220602171217-1.png||height="538" width="800"]] 298 + 299 + 179 179 Open the serial port tool 180 180 181 181 [[image:image-20220602161617-8.png]] 182 182 183 -[[image:image-20220602161718-9.png||height="5 29" width="927"]]304 +[[image:image-20220602161718-9.png||height="457" width="800"]] 184 184 185 -Press the reset switch RST on the LA66 LoRa Shield. 186 186 187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network 188 188 189 - [[image:image-20220602161935-10.png]]308 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 190 190 191 - sendinstructions:AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>310 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 192 192 312 + 313 +[[image:image-20220602161935-10.png||height="498" width="800"]] 314 + 315 + 316 + 317 +(% style="color:blue" %)**3. See Uplink Command** 318 + 319 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 320 + 193 193 example: AT+SENDB=01,02,8,05820802581ea0a5 194 194 195 -[[image:image-20220602162157-11.png]] 323 +[[image:image-20220602162157-11.png||height="497" width="800"]] 196 196 197 -Check to see if TTN received the message 198 198 199 -[[image:image-20220602162331-12.png||height="547" width="1044"]] 200 200 201 - ==ExampleSend&GetMessagesviaLoRaWAN inRPi==327 +(% style="color:blue" %)**4. Check to see if TTN received the message** 202 202 203 - Connect theLA66LoRa Shieldtothe RPI329 +[[image:image-20220602162331-12.png||height="420" width="800"]] 204 204 205 -[[image:image-20220602171233-2.png||height="592" width="881"]] 206 206 207 -Log in to the RPI's terminal and connect to the serial port 208 208 209 - [[image:image-20220602153146-3.png]]333 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 210 210 211 -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 213 213 214 -[[image:imag e-20220602154928-5.png]]336 +**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]] 215 215 216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data> 217 217 339 +(% style="color:red" %)**Preconditions:** 340 + 341 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 342 + 343 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 344 + 345 + 346 + 347 +(% style="color:blue" %)**Steps for usage:** 348 + 349 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 350 + 351 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 352 + 353 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 354 + 355 + 356 + 357 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 358 + 359 + 360 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 361 + 362 + 363 +(% style="color:blue" %)**~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 364 + 365 +[[image:image-20220602171233-2.png||height="538" width="800"]] 366 + 367 + 368 + 369 +(% style="color:blue" %)**2. Install Minicom in RPi.** 370 + 371 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 372 + 373 + (% style="background-color:yellow" %)**apt update** 374 + 375 + (% style="background-color:yellow" %)**apt install minicom** 376 + 377 + 378 +Use minicom to connect to the RPI's terminal 379 + 380 +[[image:image-20220602153146-3.png||height="439" width="500"]] 381 + 382 + 383 + 384 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 385 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network 386 + 387 +[[image:image-20220602154928-5.png||height="436" width="500"]] 388 + 389 + 390 + 391 +(% style="color:blue" %)**4. Send Uplink message** 392 + 393 +Format: **(% style="color:#4472C4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 394 + 218 218 example: AT+SENDB=01,02,8,05820802581ea0a5 219 219 220 -[[image:image-20220602160339-6.png]] 221 221 398 +[[image:image-20220602160339-6.png||height="517" width="600"]] 399 + 400 + 401 + 222 222 Check to see if TTN received the message 223 223 224 -[[image:image-20220602160627-7.png||height=" 468" width="1013"]]404 +[[image:image-20220602160627-7.png||height="369" width="800"]] 225 225 226 -=== Install Minicom === 227 227 228 -Enter the following command in the RPI terminal 229 229 230 -ap tupdate408 +== 3.8 Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. == 231 231 232 -[[image:image-20220602143155-1.png]] 233 233 234 -apt install minicom 235 235 236 - [[image:image-20220602143744-2.png]]412 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 237 237 238 -=== Send PC's CPU/RAM usage to TTN via script. === 239 239 240 -==== Take python as an example: ==== 241 241 242 -===== Preconditions: ===== 243 243 244 - 1.LA66USB LoRaWAN Adapterworksfine417 += 4. Order Info = 245 245 246 -2.LA66 USB LoRaWAN Adapter is registered with TTN 247 247 248 - =====Stepsforusage=====420 +Part Number: **LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX** 249 249 250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 251 251 252 - 2.Runthescriptand seethe TTN423 +**XXX**: The default frequency band 253 253 254 -[[image:image-20220602115852-3.png]] 425 +* **AS923**: LoRaWAN AS923 band 426 +* **AU915**: LoRaWAN AU915 band 427 +* **EU433**: LoRaWAN EU433 band 428 +* **EU868**: LoRaWAN EU868 band 429 +* **KR920**: LoRaWAN KR920 band 430 +* **US915**: LoRaWAN US915 band 431 +* **IN865**: LoRaWAN IN865 band 432 +* **CN470**: LoRaWAN CN470 band 433 +* **PP**: Peer to Peer LoRa Protocol 255 255 256 256 257 257 258 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. == 259 259 438 += 5. Reference = 260 260 261 - ==Upgrade Firmwareof LA66 USB LoRaWAN Adapter ==440 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]] 262 262 263 263