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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
Xiaoling 146.5 13 == 1.1  Overview ==
Edwin Chen 88.2 14
Xiaoling 100.2 15
Edwin Chen 93.1 16 [[image:image-20220715001142-3.png||height="145" width="220"]]
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Xiaoling 100.3 18
Xiaoling 100.5 19 (((
Edwin Chen 91.1 20 (% 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 21 )))
Herong Lu 52.1 22
Xiaoling 100.5 23 (((
Xiaoling 101.4 24 (% 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 25 )))
Edwin Chen 73.1 26
Xiaoling 100.5 27 (((
Edwin Chen 90.1 28 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
Xiaoling 100.5 29 )))
Edwin Chen 90.1 30
Xiaoling 100.5 31 (((
Edwin Chen 90.1 32 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 33 )))
Edwin Chen 90.1 34
Xiaoling 100.5 35 (((
Edwin Chen 90.1 36 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
Xiaoling 100.5 37 )))
Edwin Chen 90.1 38
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Xiaoling 146.5 40 == 1.2  Features ==
Edwin Chen 73.1 41
Xiaoling 137.6 42
Edwin Chen 73.1 43 * LoRaWAN USB adapter base on LA66 LoRaWAN module
44 * Ultra-long RF range
45 * Support LoRaWAN v1.0.4 protocol
46 * Support peer-to-peer protocol
47 * TCXO crystal to ensure RF performance on low temperature
48 * Spring RF antenna
49 * Available in different frequency LoRaWAN frequency bands.
50 * World-wide unique OTAA keys.
51 * AT Command via UART-TTL interface
52 * Firmware upgradable via UART interface
Xiaoling 93.3 53 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
Edwin Chen 73.1 54
Xiaoling 157.2 55
Xiaoling 158.2 56
Xiaoling 146.5 57 == 1.3  Specification ==
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Edwin Chen 73.1 60 * CPU: 32-bit 48 MHz
61 * Flash: 256KB
62 * RAM: 64KB
63 * Input Power Range: 5v
64 * Frequency Range: 150 MHz ~~ 960 MHz
65 * Maximum Power +22 dBm constant RF output
66 * High sensitivity: -148 dBm
67 * Temperature:
68 ** Storage: -55 ~~ +125℃
69 ** Operating: -40 ~~ +85℃
70 * Humidity:
71 ** Storage: 5 ~~ 95% (Non-Condensing)
72 ** Operating: 10 ~~ 95% (Non-Condensing)
73 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
74 * LoRa Rx current: <9 mA
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Xiaoling 157.2 76
Xiaoling 158.2 77
Xiaoling 146.5 78 == 1.4  Pin Mapping & LED ==
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Xiaoling 149.7 80
Edwin Chen 143.1 81 [[image:image-20220813183239-3.png||height="526" width="662"]]
Edwin Chen 7.1 82
Xiaoling 87.3 83
Xiaoling 146.5 84 == 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
Xiaoling 87.3 85
Xiaoling 146.5 86
Xiaoling 100.5 87 (((
Edwin Chen 78.2 88 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Xiaoling 100.5 89 )))
Herong Lu 58.1 90
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Xiaoling 157.2 92 (% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
Xiaoling 87.3 93
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Herong Lu 106.1 95 [[image:image-20220723100027-1.png]]
Edwin Chen 78.2 96
Xiaoling 87.3 97
Herong Lu 58.1 98 Open the serial port tool
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100 [[image:image-20220602161617-8.png]]
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Xiaoling 157.2 102
Edwin Chen 78.2 103 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 104
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Xiaoling 157.2 107 (% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
Xiaoling 87.3 108
Xiaoling 149.7 109
Edwin Chen 78.2 110 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 111
Xiaoling 87.3 112
Edwin Chen 78.2 113 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 114
Edwin Chen 78.2 115
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Xiaoling 157.2 117 (% style="color:blue" %)**3.  See Uplink Command**
Edwin Chen 78.2 118
Xiaoling 149.7 119
Xiaoling 87.3 120 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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Herong Lu 58.1 122 example: AT+SENDB=01,02,8,05820802581ea0a5
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Edwin Chen 78.2 124 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 125
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Xiaoling 157.2 128 (% style="color:blue" %)**4.  Check to see if TTN received the message**
Xiaoling 87.3 129
Edwin Chen 78.2 130
Xiaoling 149.2 131 [[image:image-20220817093644-1.png]]
Edwin Chen 78.2 132
Xiaoling 149.2 133
Bei Jinggeng 154.1 134 == 1.6  Example: How to join helium ==
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Xiaoling 157.2 137
138 (% style="color:blue" %)**1.  Create a new device.**
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Bei Jinggeng 154.1 141 [[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 157.2 145 (% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
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Bei Jinggeng 154.1 148 [[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 157.2 151
Bei Jinggeng 154.1 152 (% style="color:blue" %)**3.  Use AT commands.**
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Xiaoling 157.2 154
Bei Jinggeng 154.1 155 [[image:image-20220909151441-1.jpeg||height="695" width="521"]]
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Xiaoling 157.2 159 (% style="color:blue" %)**4.  Use the serial port tool**
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Bei Jinggeng 154.1 162 [[image:image-20220909151517-2.png||height="543" width="708"]]
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Xiaoling 157.2 166 (% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
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Bei Jinggeng 154.1 169 [[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 157.2 172
Bei Jinggeng 154.1 173 (% style="color:blue" %)**6.  Network successfully.**
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Xiaoling 157.2 175
Bei Jinggeng 154.1 176 [[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 157.2 179
Bei Jinggeng 154.1 180 (% style="color:blue" %)**7.  Send uplink using command**
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Xiaoling 157.2 183 [[image:image-20220912085244-1.png]]
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186 [[image:image-20220912085307-2.png]]
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Bei Jinggeng 154.1 190 [[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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Bei Jinggeng 155.1 193 == 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 194
Xiaoling 87.3 195
Edwin Chen 87.1 196 **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 81.1 197
Herong Lu 106.1 198 (**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 81.1 199
Xiaoling 149.6 200
Xiaoling 87.3 201 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 202
Xiaoling 87.3 203 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 204
Xiaoling 87.3 205 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 206
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Xiaoling 87.3 209 (% style="color:blue" %)**Steps for usage:**
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211 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
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Bei Jinggeng 158.1 213 (% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
Xiaoling 87.3 214
Bei Jinggeng 158.1 215 (% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
Xiaoling 149.6 216
Bei Jinggeng 158.1 217
Edwin Chen 81.1 218 [[image:image-20220602115852-3.png||height="450" width="1187"]]
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Bei Jinggeng 155.1 221 == 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 222
Xiaoling 87.4 223
Edwin Chen 79.1 224 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 225
Edwin Chen 79.1 226
Xiaoling 157.2 227 (% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 228
Xiaoling 149.6 229
Herong Lu 106.1 230 [[image:image-20220723100439-2.png]]
Herong Lu 43.1 231
Herong Lu 52.1 232
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Xiaoling 157.2 234 (% style="color:blue" %)**2.  Install Minicom in RPi.**
Xiaoling 87.4 235
Xiaoling 149.6 236
Edwin Chen 79.1 237 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 238
Xiaoling 87.4 239 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 240
Xiaoling 87.4 241 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 242
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Edwin Chen 79.1 244 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 245
Edwin Chen 79.1 246 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 247
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Xiaoling 87.4 249
Xiaoling 157.2 250 (% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 251
Xiaoling 149.6 252
Xiaoling 87.11 253 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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Edwin Chen 79.1 256 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 257
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Xiaoling 157.2 260 (% style="color:blue" %)**4.  Send Uplink message**
Herong Lu 46.1 261
Xiaoling 149.6 262
Xiaoling 87.5 263 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 264
Edwin Chen 79.1 265 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 266
Xiaoling 87.4 267
Edwin Chen 79.1 268 [[image:image-20220602160339-6.png||height="517" width="600"]]
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Xiaoling 87.4 270
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Edwin Chen 79.1 272 Check to see if TTN received the message
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Xiaoling 157.2 274
Edwin Chen 79.1 275 [[image:image-20220602160627-7.png||height="369" width="800"]]
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Bei Jinggeng 155.1 278 == 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
Edwin Chen 11.1 279
Bei Jinggeng 155.1 280 === 1.9.1  Hardware and Software Connection ===
Edwin Chen 13.1 281
Xiaoling 134.2 282
Xiaoling 146.5 283
Xiaoling 134.2 284 ==== (% style="color:blue" %)**Overview:**(%%) ====
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Xiaoling 134.9 287 (((
Edwin Chen 139.2 288 DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
Herong Lu 106.1 289
Edwin Chen 139.2 290 * Send real-time location information of mobile phone to LoRaWAN network.
291 * Check LoRaWAN network signal strengh.
292 * Manually send messages to LoRaWAN network.
Xiaoling 134.9 293 )))
Herong Lu 111.1 294
Herong Lu 106.1 295
Xiaoling 134.2 296
Xiaoling 146.5 297
Edwin Chen 139.2 298 ==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
Xiaoling 134.2 299
Xiaoling 149.6 300
Edwin Chen 139.2 301 A USB to Type-C adapter is needed to connect to a Mobile phone.
Xiaoling 134.2 302
Edwin Chen 139.2 303 Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
Herong Lu 106.1 304
Edwin Chen 139.2 305 [[image:image-20220813174353-2.png||height="360" width="313"]]
Herong Lu 106.1 306
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Xiaoling 146.5 308
Edwin Chen 139.2 309 ==== (% style="color:blue" %)**Download and Install App:**(%%) ====
Xiaoling 134.2 310
Xiaoling 149.6 311
Edwin Chen 139.2 312 [[(% 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 157.2 314
Edwin Chen 139.2 315 [[image:image-20220813173738-1.png]]
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Xiaoling 146.5 318
Xiaoling 134.2 319 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
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Xiaoling 149.6 321
Herong Lu 110.1 322 Function and page introduction
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Xiaoling 149.6 324
Edwin Chen 139.2 325 [[image:image-20220723113448-7.png||height="995" width="450"]]
Herong Lu 110.1 326
Xiaoling 157.2 327
Edwin Chen 139.2 328 **Block Explain:**
Xiaoling 134.9 329
Edwin Chen 139.2 330 1.  Display LA66 USB LoRaWAN Module connection status
Herong Lu 110.1 331
Edwin Chen 139.2 332 2.  Check and reconnect
Herong Lu 110.1 333
Edwin Chen 139.2 334 3.  Turn send timestamps on or off
Herong Lu 110.1 335
Edwin Chen 139.2 336 4.  Display LoRaWan connection status
Herong Lu 110.1 337
Edwin Chen 139.2 338 5.  Check LoRaWan connection status
Herong Lu 110.1 339
Edwin Chen 139.2 340 6.  The RSSI value of the node when the ACK is received
Herong Lu 110.1 341
Edwin Chen 139.2 342 7.  Node's Signal Strength Icon
Herong Lu 110.1 343
Edwin Chen 139.2 344 8.  Configure Location Uplink Interval
Herong Lu 110.1 345
Edwin Chen 139.2 346 9.  AT command input box
Herong Lu 110.1 347
Edwin Chen 139.2 348 10.  Send Button:  Send input box info to LA66 USB Adapter
Herong Lu 110.1 349
Edwin Chen 139.2 350 11.  Output Log from LA66 USB adapter
Herong Lu 110.1 351
Edwin Chen 139.2 352 12.  clear log button
Herong Lu 110.1 353
Edwin Chen 139.2 354 13.  exit button
Herong Lu 110.1 355
Xiaoling 134.2 356
Xiaoling 149.6 357
Herong Lu 106.1 358 LA66 USB LoRaWAN Module not connected
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Xiaoling 149.6 360
Edwin Chen 139.2 361 [[image:image-20220723110520-5.png||height="677" width="508"]]
Herong Lu 106.1 362
Xiaoling 134.2 363
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Herong Lu 110.1 365 Connect LA66 USB LoRaWAN Module
Herong Lu 106.1 366
Xiaoling 157.2 367
Edwin Chen 139.2 368 [[image:image-20220723110626-6.png||height="681" width="511"]]
Herong Lu 110.1 369
Xiaoling 134.2 370
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Xiaoling 157.2 372
Bei Jinggeng 155.1 373 === 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
Herong Lu 111.1 374
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Xiaoling 134.8 376 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
Xiaoling 134.2 377
Xiaoling 149.6 378
Herong Lu 113.1 379 [[image:image-20220723134549-8.png]]
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Xiaoling 134.2 382
Xiaoling 134.8 383 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
Xiaoling 134.2 384
Xiaoling 149.6 385
Edwin Chen 139.2 386 Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
Herong Lu 117.1 387
Edwin Chen 139.2 388 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 113.1 389
Edwin Chen 139.2 390 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 117.1 391
Bei Jinggeng 151.1 392 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 139.2 393
Bei Jinggeng 151.1 394
Edwin Chen 139.2 395 Example output in NodeRed is as below:
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Herong Lu 117.1 397 [[image:image-20220723144339-1.png]]
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Xiaoling 134.2 399
Bei Jinggeng 155.1 400 == 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 401
Xiaoling 134.2 402
Xiaoling 157.2 403 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
Edwin Chen 73.1 404
Xiaoling 157.2 405 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 73.1 406
Xiaoling 149.4 407
Herong Lu 119.1 408 [[image:image-20220723150132-2.png]]
Edwin Chen 73.1 409
Herong Lu 119.1 410
Xiaoling 146.5 411 = 2.  FAQ =
Edwin Chen 73.1 412
Xiaoling 157.4 413 == 2.1  How to Compile Source Code for LA66? ==
Xiaoling 137.2 414
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Xiaoling 146.4 416 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 137.2 417
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Xiaoling 157.3 419 == 2.2  Where to find Peer-to-Peer firmware of LA66? ==
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422 Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
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Xiaoling 146.5 425 = 3.  Order Info =
Xiaoling 137.2 426
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Xiaoling 146.5 428 **Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 429
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Xiaoling 87.5 431 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 432
Xiaoling 87.5 433 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
434 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
435 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
436 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
437 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
438 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
439 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
440 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
441 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 442
Xiaoling 157.2 443
Xiaoling 158.2 444
Xiaoling 146.5 445 = 4.  Reference =
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447
448 * Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
Edwin Chen 150.1 449 * Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
Xiaoling 149.6 450
Xiaoling 157.5 451
Xiaoling 158.2 452
Xiaoling 157.5 453 = 5.  FCC Statement =
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455
456 (% style="color:red" %)**FCC Caution:**
457
458 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
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460 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
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463 (% style="color:red" %)**IMPORTANT NOTE: **
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465 (% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
466
467 —Reorient or relocate the receiving antenna.
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469 —Increase the separation between the equipment and receiver.
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471 —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
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473 —Consult the dealer or an experienced radio/TV technician for help.
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475
476 (% style="color:red" %)**FCC Radiation Exposure Statement: **
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478 This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
Xiaoling 158.2 479
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