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Xiaoling 134.2 1
Xiaoling 87.2 2
Xiaoling 87.13 3 **Table of Contents:**
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Edwin Chen 1.1 5 {{toc/}}
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Edwin Chen 6.1 8
Xiaoling 87.2 9
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Xiaoling 146.5 11 = 1.  LA66 USB LoRaWAN Adapter =
Xiaoling 87.2 12
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Xiaoling 146.5 14 == 1.1  Overview ==
Edwin Chen 88.2 15
Xiaoling 100.2 16
Edwin Chen 93.1 17 [[image:image-20220715001142-3.png||height="145" width="220"]]
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Xiaoling 100.3 19
Xiaoling 100.5 20 (((
Edwin Chen 91.1 21 (% 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.
Xiaoling 100.5 22 )))
Herong Lu 52.1 23
Xiaoling 100.5 24 (((
Xiaoling 101.4 25 (% 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.
Xiaoling 100.5 26 )))
Edwin Chen 73.1 27
Xiaoling 100.5 28 (((
Edwin Chen 90.1 29 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
Xiaoling 100.5 30 )))
Edwin Chen 90.1 31
Xiaoling 100.5 32 (((
Edwin Chen 90.1 33 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.
Xiaoling 100.5 34 )))
Edwin Chen 90.1 35
Xiaoling 100.5 36 (((
Edwin Chen 90.1 37 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
Xiaoling 100.5 38 )))
Edwin Chen 90.1 39
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Xiaoling 100.3 41
Xiaoling 146.5 42 == 1.2  Features ==
Edwin Chen 73.1 43
Xiaoling 137.6 44
Edwin Chen 73.1 45 * LoRaWAN USB adapter base on LA66 LoRaWAN module
46 * Ultra-long RF range
47 * Support LoRaWAN v1.0.4 protocol
48 * Support peer-to-peer protocol
49 * TCXO crystal to ensure RF performance on low temperature
50 * Spring RF antenna
51 * Available in different frequency LoRaWAN frequency bands.
52 * World-wide unique OTAA keys.
53 * AT Command via UART-TTL interface
54 * Firmware upgradable via UART interface
Xiaoling 93.3 55 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
Edwin Chen 73.1 56
Xiaoling 157.2 57
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Xiaoling 146.5 60 == 1.3  Specification ==
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Edwin Chen 73.1 63 * CPU: 32-bit 48 MHz
64 * Flash: 256KB
65 * RAM: 64KB
66 * Input Power Range: 5v
67 * Frequency Range: 150 MHz ~~ 960 MHz
68 * Maximum Power +22 dBm constant RF output
69 * High sensitivity: -148 dBm
70 * Temperature:
71 ** Storage: -55 ~~ +125℃
72 ** Operating: -40 ~~ +85℃
73 * Humidity:
74 ** Storage: 5 ~~ 95% (Non-Condensing)
75 ** Operating: 10 ~~ 95% (Non-Condensing)
76 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
77 * LoRa Rx current: <9 mA
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Xiaoling 157.2 79
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Xiaoling 146.5 82 == 1.4  Pin Mapping & LED ==
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Xiaoling 149.7 84
Edwin Chen 143.1 85 [[image:image-20220813183239-3.png||height="526" width="662"]]
Edwin Chen 7.1 86
Xiaoling 87.3 87
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Xiaoling 146.5 89 == 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
Xiaoling 87.3 90
Xiaoling 146.5 91
Xiaoling 100.5 92 (((
Edwin Chen 78.2 93 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Xiaoling 100.5 94 )))
Herong Lu 58.1 95
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Xiaoling 157.2 97 (% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
Xiaoling 87.3 98
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Herong Lu 106.1 100 [[image:image-20220723100027-1.png]]
Edwin Chen 78.2 101
Xiaoling 87.3 102
Herong Lu 58.1 103 Open the serial port tool
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105 [[image:image-20220602161617-8.png]]
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Xiaoling 157.2 107
Edwin Chen 78.2 108 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 109
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Xiaoling 157.2 112 (% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
Xiaoling 87.3 113
Xiaoling 149.7 114
Edwin Chen 78.2 115 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 116
Xiaoling 87.3 117
Edwin Chen 78.2 118 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 119
Edwin Chen 78.2 120
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Xiaoling 157.2 122 (% style="color:blue" %)**3.  See Uplink Command**
Edwin Chen 78.2 123
Xiaoling 149.7 124
Xiaoling 87.3 125 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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Herong Lu 58.1 127 example: AT+SENDB=01,02,8,05820802581ea0a5
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Edwin Chen 78.2 129 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 130
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Xiaoling 157.2 133 (% style="color:blue" %)**4.  Check to see if TTN received the message**
Xiaoling 87.3 134
Edwin Chen 78.2 135
Xiaoling 149.2 136 [[image:image-20220817093644-1.png]]
Edwin Chen 78.2 137
Xiaoling 149.2 138
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Bei Jinggeng 154.1 140 == 1.6  Example: How to join helium ==
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Xiaoling 157.2 143
144 (% style="color:blue" %)**1.  Create a new device.**
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Bei Jinggeng 154.1 147 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
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Xiaoling 157.2 151 (% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
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Bei Jinggeng 154.1 154 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
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Xiaoling 157.2 157
Bei Jinggeng 154.1 158 (% style="color:blue" %)**3.  Use AT commands.**
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Xiaoling 157.2 160
Bei Jinggeng 154.1 161 [[image:image-20220909151441-1.jpeg||height="695" width="521"]]
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Xiaoling 157.2 165 (% style="color:blue" %)**4.  Use the serial port tool**
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Bei Jinggeng 154.1 168 [[image:image-20220909151517-2.png||height="543" width="708"]]
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Xiaoling 157.2 172 (% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
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Bei Jinggeng 154.1 175 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
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Xiaoling 157.2 178
Bei Jinggeng 154.1 179 (% style="color:blue" %)**6.  Network successfully.**
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Xiaoling 157.2 181
Bei Jinggeng 154.1 182 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
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Xiaoling 157.2 185
Bei Jinggeng 154.1 186 (% style="color:blue" %)**7.  Send uplink using command**
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Xiaoling 157.2 189 [[image:image-20220912085244-1.png]]
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192 [[image:image-20220912085307-2.png]]
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Bei Jinggeng 154.1 196 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
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Xiaoling 157.2 199
Bei Jinggeng 155.1 200 == 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 201
Xiaoling 87.3 202
Edwin Chen 87.1 203 **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]]
Edwin Chen 81.1 204
Herong Lu 106.1 205 (**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]])
Edwin Chen 81.1 206
Xiaoling 149.6 207
Xiaoling 87.3 208 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 209
Xiaoling 87.3 210 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 211
Xiaoling 87.3 212 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 213
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Xiaoling 87.3 216 (% style="color:blue" %)**Steps for usage:**
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218 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
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220 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
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Xiaoling 149.6 222
Edwin Chen 81.1 223 [[image:image-20220602115852-3.png||height="450" width="1187"]]
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Bei Jinggeng 155.1 227 == 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 228
Xiaoling 87.4 229
Edwin Chen 79.1 230 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 231
Edwin Chen 79.1 232
Xiaoling 157.2 233 (% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 234
Xiaoling 149.6 235
Herong Lu 106.1 236 [[image:image-20220723100439-2.png]]
Herong Lu 43.1 237
Herong Lu 52.1 238
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Xiaoling 157.2 240 (% style="color:blue" %)**2.  Install Minicom in RPi.**
Xiaoling 87.4 241
Xiaoling 149.6 242
Edwin Chen 79.1 243 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 244
Xiaoling 87.4 245 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 246
Xiaoling 87.4 247 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 248
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Edwin Chen 79.1 250 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 251
Edwin Chen 79.1 252 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 253
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Xiaoling 87.4 255
Xiaoling 157.2 256 (% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 257
Xiaoling 149.6 258
Xiaoling 87.11 259 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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Edwin Chen 79.1 262 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 263
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Xiaoling 157.2 266 (% style="color:blue" %)**4.  Send Uplink message**
Herong Lu 46.1 267
Xiaoling 149.6 268
Xiaoling 87.5 269 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 270
Edwin Chen 79.1 271 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 272
Xiaoling 87.4 273
Edwin Chen 79.1 274 [[image:image-20220602160339-6.png||height="517" width="600"]]
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Xiaoling 87.4 276
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Edwin Chen 79.1 278 Check to see if TTN received the message
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Xiaoling 157.2 280
Edwin Chen 79.1 281 [[image:image-20220602160627-7.png||height="369" width="800"]]
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Bei Jinggeng 155.1 285 == 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
Edwin Chen 11.1 286
Xiaoling 134.2 287
Bei Jinggeng 155.1 288 === 1.9.1  Hardware and Software Connection ===
Edwin Chen 13.1 289
Xiaoling 134.2 290
Xiaoling 146.5 291
Xiaoling 134.2 292 ==== (% style="color:blue" %)**Overview:**(%%) ====
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Xiaoling 134.9 295 (((
Edwin Chen 139.2 296 DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
Herong Lu 106.1 297
Edwin Chen 139.2 298 * Send real-time location information of mobile phone to LoRaWAN network.
299 * Check LoRaWAN network signal strengh.
300 * Manually send messages to LoRaWAN network.
Xiaoling 134.9 301 )))
Herong Lu 111.1 302
Herong Lu 106.1 303
Xiaoling 134.2 304
Xiaoling 146.5 305
Xiaoling 157.2 306
Edwin Chen 139.2 307 ==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
Xiaoling 134.2 308
Xiaoling 149.6 309
Edwin Chen 139.2 310 A USB to Type-C adapter is needed to connect to a Mobile phone.
Xiaoling 134.2 311
Edwin Chen 139.2 312 Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
Herong Lu 106.1 313
Edwin Chen 139.2 314 [[image:image-20220813174353-2.png||height="360" width="313"]]
Herong Lu 106.1 315
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Xiaoling 146.5 317
Xiaoling 157.2 318
Edwin Chen 139.2 319 ==== (% style="color:blue" %)**Download and Install App:**(%%) ====
Xiaoling 134.2 320
Xiaoling 149.6 321
Edwin Chen 139.2 322 [[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
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Xiaoling 157.2 324
Edwin Chen 139.2 325 [[image:image-20220813173738-1.png]]
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Xiaoling 146.5 328
Xiaoling 157.2 329
Xiaoling 134.2 330 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
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Xiaoling 149.6 332
Herong Lu 110.1 333 Function and page introduction
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Xiaoling 149.6 335
Edwin Chen 139.2 336 [[image:image-20220723113448-7.png||height="995" width="450"]]
Herong Lu 110.1 337
Xiaoling 157.2 338
Edwin Chen 139.2 339 **Block Explain:**
Xiaoling 134.9 340
Edwin Chen 139.2 341 1.  Display LA66 USB LoRaWAN Module connection status
Herong Lu 110.1 342
Edwin Chen 139.2 343 2.  Check and reconnect
Herong Lu 110.1 344
Edwin Chen 139.2 345 3.  Turn send timestamps on or off
Herong Lu 110.1 346
Edwin Chen 139.2 347 4.  Display LoRaWan connection status
Herong Lu 110.1 348
Edwin Chen 139.2 349 5.  Check LoRaWan connection status
Herong Lu 110.1 350
Edwin Chen 139.2 351 6.  The RSSI value of the node when the ACK is received
Herong Lu 110.1 352
Edwin Chen 139.2 353 7.  Node's Signal Strength Icon
Herong Lu 110.1 354
Edwin Chen 139.2 355 8.  Configure Location Uplink Interval
Herong Lu 110.1 356
Edwin Chen 139.2 357 9.  AT command input box
Herong Lu 110.1 358
Edwin Chen 139.2 359 10.  Send Button:  Send input box info to LA66 USB Adapter
Herong Lu 110.1 360
Edwin Chen 139.2 361 11.  Output Log from LA66 USB adapter
Herong Lu 110.1 362
Edwin Chen 139.2 363 12.  clear log button
Herong Lu 110.1 364
Edwin Chen 139.2 365 13.  exit button
Herong Lu 110.1 366
Xiaoling 134.2 367
Xiaoling 149.6 368
Herong Lu 106.1 369 LA66 USB LoRaWAN Module not connected
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Xiaoling 149.6 371
Edwin Chen 139.2 372 [[image:image-20220723110520-5.png||height="677" width="508"]]
Herong Lu 106.1 373
Xiaoling 134.2 374
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Herong Lu 110.1 376 Connect LA66 USB LoRaWAN Module
Herong Lu 106.1 377
Xiaoling 157.2 378
Edwin Chen 139.2 379 [[image:image-20220723110626-6.png||height="681" width="511"]]
Herong Lu 110.1 380
Xiaoling 134.2 381
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Xiaoling 157.2 383
Bei Jinggeng 155.1 384 === 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
Herong Lu 111.1 385
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Xiaoling 134.8 387 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
Xiaoling 134.2 388
Xiaoling 149.6 389
Herong Lu 113.1 390 [[image:image-20220723134549-8.png]]
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Xiaoling 134.2 393
Xiaoling 134.8 394 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
Xiaoling 134.2 395
Xiaoling 149.6 396
Edwin Chen 139.2 397 Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
Herong Lu 117.1 398
Edwin Chen 139.2 399 For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
Herong Lu 113.1 400
Edwin Chen 139.2 401 After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
Herong Lu 117.1 402
Bei Jinggeng 151.1 403 LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
Edwin Chen 139.2 404
Bei Jinggeng 151.1 405
Edwin Chen 139.2 406 Example output in NodeRed is as below:
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Herong Lu 117.1 408 [[image:image-20220723144339-1.png]]
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Xiaoling 134.2 410
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Bei Jinggeng 155.1 412 == 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 413
Xiaoling 134.2 414
Xiaoling 157.2 415 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
Edwin Chen 73.1 416
Xiaoling 157.2 417 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).
Edwin Chen 73.1 418
Xiaoling 149.4 419
Herong Lu 119.1 420 [[image:image-20220723150132-2.png]]
Edwin Chen 73.1 421
Herong Lu 119.1 422
Xiaoling 134.2 423
Xiaoling 146.5 424 = 2.  FAQ =
Edwin Chen 73.1 425
Xiaoling 87.4 426
Xiaoling 146.5 427 == 2.1  How to Compile Source Code for LA66? ==
Xiaoling 137.2 428
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Xiaoling 146.4 430 Compile and Upload Code to ASR6601 Platform :[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
Xiaoling 137.2 431
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Xiaoling 146.5 434 = 3.  Order Info =
Xiaoling 137.2 435
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Xiaoling 146.5 437 **Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 438
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Xiaoling 87.5 440 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 441
Xiaoling 87.5 442 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
443 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
444 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
445 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
446 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
447 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
448 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
449 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
450 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 451
Xiaoling 157.2 452
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Xiaoling 146.5 455 = 4.  Reference =
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458 * Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
Edwin Chen 150.1 459 * Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
Xiaoling 149.6 460
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