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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 = 1.  LA66 LoRaWAN Module =
10
11
12 == 1.1  What is LA66 LoRaWAN Module ==
13
14
Xiaoling 87.15 15 (((
Xiaoling 100.2 16 (((
17 [[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 )))
Edwin Chen 88.2 19
Xiaoling 100.2 20 (((
21
22 )))
23
24 (((
Edwin Chen 65.1 25 (% 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.
Xiaoling 87.15 26 )))
Xiaoling 100.2 27 )))
Edwin Chen 1.1 28
Xiaoling 87.15 29 (((
Xiaoling 100.2 30 (((
Xiaoling 101.4 31 (% 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 87.15 32 )))
Xiaoling 100.2 33 )))
Edwin Chen 1.1 34
Xiaoling 87.15 35 (((
Xiaoling 100.2 36 (((
Edwin Chen 65.1 37 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
Xiaoling 87.15 38 )))
Edwin Chen 1.1 39
Xiaoling 87.15 40 (((
Edwin Chen 65.1 41 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 87.15 42 )))
Xiaoling 100.2 43 )))
Edwin Chen 1.1 44
Xiaoling 87.15 45 (((
Xiaoling 100.2 46 (((
Edwin Chen 65.1 47 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
Xiaoling 87.15 48 )))
Xiaoling 100.2 49 )))
Edwin Chen 1.1 50
Edwin Chen 67.1 51
Xiaoling 100.2 52
Xiaoling 87.2 53 == 1.2  Features ==
Edwin Chen 64.1 54
Edwin Chen 68.1 55 * Support LoRaWAN v1.0.4 protocol
56 * Support peer-to-peer protocol
57 * TCXO crystal to ensure RF performance on low temperature
58 * SMD Antenna pad and i-pex antenna connector
59 * Available in different frequency LoRaWAN frequency bands.
60 * World-wide unique OTAA keys.
Edwin Chen 69.1 61 * AT Command via UART-TTL interface
62 * Firmware upgradable via UART interface
63 * Ultra-long RF range
Edwin Chen 64.1 64
Xiaoling 134.11 65
66
67
68
Xiaoling 87.2 69 == 1.3  Specification ==
70
Edwin Chen 68.1 71 * CPU: 32-bit 48 MHz
72 * Flash: 256KB
73 * RAM: 64KB
Edwin Chen 66.1 74 * Input Power Range: 1.8v ~~ 3.7v
75 * Power Consumption: < 4uA.
76 * Frequency Range: 150 MHz ~~ 960 MHz
77 * Maximum Power +22 dBm constant RF output
78 * High sensitivity: -148 dBm
79 * Temperature:
80 ** Storage: -55 ~~ +125℃
81 ** Operating: -40 ~~ +85℃
82 * Humidity:
83 ** Storage: 5 ~~ 95% (Non-Condensing)
84 ** Operating: 10 ~~ 95% (Non-Condensing)
85 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
86 * LoRa Rx current: <9 mA
87 * I/O Voltage: 3.3v
Edwin Chen 1.1 88
Xiaoling 134.11 89
90
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Xiaoling 87.2 93 == 1.4  AT Command ==
94
Xiaoling 98.2 95
Edwin Chen 66.1 96 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
Edwin Chen 1.1 97
Edwin Chen 3.1 98
Xiaoling 98.4 99
Xiaoling 87.2 100 == 1.5  Dimension ==
Edwin Chen 3.1 101
Xiaoling 98.2 102 [[image:image-20220718094750-3.png]]
Edwin Chen 3.1 103
104
Edwin Chen 5.1 105
Xiaoling 87.2 106 == 1.6  Pin Mapping ==
107
Xiaoling 101.2 108 [[image:image-20220720111850-1.png]]
Xiaoling 87.2 109
Edwin Chen 5.1 110
111
Xiaoling 87.2 112 == 1.7  Land Pattern ==
113
Edwin Chen 5.1 114 [[image:image-20220517072821-2.png]]
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Xiaoling 87.2 118 = 2.  LA66 LoRaWAN Shield =
Edwin Chen 6.1 119
120
Xiaoling 87.2 121 == 2.1  Overview ==
122
Edwin Chen 90.1 123
Xiaoling 100.2 124 (((
125 [[image:image-20220715000826-2.png||height="145" width="220"]]
126 )))
Edwin Chen 90.1 127
Xiaoling 100.2 128 (((
129
130 )))
131
132 (((
Xiaoling 100.4 133 (% style="color:blue" %)**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.
Xiaoling 100.2 134 )))
Edwin Chen 71.1 135
Edwin Chen 90.1 136 (((
Xiaoling 100.2 137 (((
Xiaoling 101.4 138 (% 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.
Edwin Chen 90.1 139 )))
Xiaoling 100.2 140 )))
Edwin Chen 71.1 141
Edwin Chen 90.1 142 (((
Xiaoling 100.2 143 (((
Edwin Chen 90.1 144 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
145 )))
Xiaoling 100.2 146 )))
Edwin Chen 90.1 147
148 (((
Xiaoling 100.2 149 (((
Edwin Chen 90.1 150 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.
151 )))
Xiaoling 100.2 152 )))
Edwin Chen 90.1 153
154 (((
Xiaoling 100.2 155 (((
Edwin Chen 90.1 156 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
157 )))
Xiaoling 100.2 158 )))
Edwin Chen 90.1 159
160
Xiaoling 100.2 161
Xiaoling 87.2 162 == 2.2  Features ==
Edwin Chen 71.1 163
164 * Arduino Shield base on LA66 LoRaWAN module
165 * Support LoRaWAN v1.0.4 protocol
166 * Support peer-to-peer protocol
167 * TCXO crystal to ensure RF performance on low temperature
168 * SMA connector
169 * Available in different frequency LoRaWAN frequency bands.
170 * World-wide unique OTAA keys.
171 * AT Command via UART-TTL interface
172 * Firmware upgradable via UART interface
173 * Ultra-long RF range
174
Xiaoling 134.11 175
176
177
178
Xiaoling 87.2 179 == 2.3  Specification ==
180
Edwin Chen 71.1 181 * CPU: 32-bit 48 MHz
182 * Flash: 256KB
183 * RAM: 64KB
184 * Input Power Range: 1.8v ~~ 3.7v
185 * Power Consumption: < 4uA.
186 * Frequency Range: 150 MHz ~~ 960 MHz
187 * Maximum Power +22 dBm constant RF output
188 * High sensitivity: -148 dBm
189 * Temperature:
190 ** Storage: -55 ~~ +125℃
191 ** Operating: -40 ~~ +85℃
192 * Humidity:
193 ** Storage: 5 ~~ 95% (Non-Condensing)
194 ** Operating: 10 ~~ 95% (Non-Condensing)
195 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
196 * LoRa Rx current: <9 mA
197 * I/O Voltage: 3.3v
198
Xiaoling 134.11 199
200
201
202
Herong Lu 125.1 203 == 2.4  LED ==
Edwin Chen 11.1 204
Xiaoling 134.5 205
Herong Lu 125.1 206 ~1. The LED lights up red when there is an upstream data packet
207 2. When the network is successfully connected, the green light will be on for 5 seconds
208 3. Purple light on when receiving downlink data packets
Edwin Chen 11.1 209
210
Xiaoling 134.5 211
Xiaoling 87.2 212 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
Edwin Chen 11.1 213
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Xiaoling 134.3 215 **Show connection diagram:**
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217
Herong Lu 125.1 218 [[image:image-20220723170210-2.png||height="908" width="681"]]
Xiaoling 87.2 219
Herong Lu 125.1 220
Xiaoling 134.3 221
Xiaoling 134.6 222 (% style="color:blue" %)**1.  open Arduino IDE**
Xiaoling 134.3 223
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Herong Lu 125.1 225 [[image:image-20220723170545-4.png]]
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Xiaoling 134.3 228
Xiaoling 134.6 229 (% style="color:blue" %)**2.  Open project**
Xiaoling 134.3 230
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Xiaoling 134.7 232 LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
Xiaoling 134.3 233
Herong Lu 125.1 234
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Xiaoling 134.6 236 (% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
Xiaoling 134.3 237
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Herong Lu 125.1 239
Xiaoling 134.6 240 (% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
Herong Lu 125.1 241
Xiaoling 134.3 242
Herong Lu 131.1 243 [[image:image-20220723172235-7.png||height="480" width="1027"]]
Herong Lu 125.1 244
Xiaoling 134.3 245
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Xiaoling 87.2 247 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
248
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Xiaoling 134.6 250 (% style="color:blue" %)**1.  Open project**
Xiaoling 134.3 251
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Xiaoling 134.7 253 Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
Xiaoling 134.3 254
Xiaoling 134.7 255
Herong Lu 131.1 256 [[image:image-20220723172502-8.png]]
Xiaoling 87.2 257
Herong Lu 131.1 258
Xiaoling 134.3 259
Xiaoling 134.6 260 (% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
Xiaoling 134.3 261
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Herong Lu 131.1 263 [[image:image-20220723172938-9.png||height="652" width="1050"]]
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Xiaoling 134.2 266
Herong Lu 133.1 267 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
Xiaoling 87.2 268
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Xiaoling 134.6 270 (% style="color:blue" %)**1.  Open project**
Xiaoling 134.2 271
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Xiaoling 134.7 273 Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
Xiaoling 134.2 274
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Herong Lu 131.1 276 [[image:image-20220723173341-10.png||height="581" width="1014"]]
Xiaoling 87.2 277
Herong Lu 131.1 278
Xiaoling 134.2 279
Xiaoling 134.6 280 (% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
Xiaoling 134.2 281
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Herong Lu 131.1 283 [[image:image-20220723173950-11.png||height="665" width="1012"]]
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Xiaoling 134.2 286
Xiaoling 134.6 287 (% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
Xiaoling 134.2 288
Herong Lu 133.1 289 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
290
291 [[image:image-20220723175700-12.png||height="602" width="995"]]
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Xiaoling 134.2 293
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Xiaoling 87.2 295 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
296
297
298 === 2.8.1  Items needed for update ===
299
Xiaoling 134.2 300
Edwin Chen 74.1 301 1. LA66 LoRaWAN Shield
302 1. Arduino
303 1. USB TO TTL Adapter
Edwin Chen 13.1 304
Edwin Chen 75.1 305 [[image:image-20220602100052-2.png||height="385" width="600"]]
Herong Lu 20.1 306
307
Xiaoling 87.2 308 === 2.8.2  Connection ===
Herong Lu 20.1 309
Xiaoling 87.2 310
Edwin Chen 75.1 311 [[image:image-20220602101311-3.png||height="276" width="600"]]
Herong Lu 20.1 312
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Xiaoling 87.17 314 (((
Xiaoling 87.2 315 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
Xiaoling 87.17 316 )))
Xiaoling 87.2 317
Xiaoling 87.16 318 (((
Xiaoling 87.2 319 (% style="background-color:yellow" %)**GND  <-> GND
Xiaoling 87.8 320 TXD  <->  TXD
321 RXD  <->  RXD**
Xiaoling 87.16 322 )))
Xiaoling 87.2 323
324
Edwin Chen 77.1 325 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
Herong Lu 20.1 326
Edwin Chen 75.1 327 Connect USB TTL Adapter to PC after connecting the wires
Herong Lu 20.1 328
329
Edwin Chen 75.1 330 [[image:image-20220602102240-4.png||height="304" width="600"]]
Herong Lu 20.1 331
332
Xiaoling 87.2 333 === 2.8.3  Upgrade steps ===
Herong Lu 20.1 334
335
Xiaoling 134.2 336 ==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
Xiaoling 87.2 337
338
Edwin Chen 75.1 339 [[image:image-20220602102824-5.png||height="306" width="600"]]
Herong Lu 32.1 340
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Xiaoling 87.9 342
Xiaoling 134.2 343 ==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
Herong Lu 32.1 344
Xiaoling 87.10 345
Edwin Chen 75.1 346 [[image:image-20220602104701-12.png||height="285" width="600"]]
Herong Lu 32.1 347
Edwin Chen 75.1 348
Xiaoling 87.9 349
Xiaoling 134.2 350 ==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
Edwin Chen 75.1 351
Herong Lu 39.1 352
Xiaoling 87.18 353 (((
Xiaoling 87.2 354 (% 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/]]**
Xiaoling 87.18 355 )))
Xiaoling 87.2 356
357
Herong Lu 32.1 358 [[image:image-20220602103227-6.png]]
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Xiaoling 87.2 360
Herong Lu 32.1 361 [[image:image-20220602103357-7.png]]
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Xiaoling 87.2 364
Edwin Chen 76.1 365 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
Xiaoling 87.2 366 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
Edwin Chen 76.1 367
Xiaoling 87.2 368
Herong Lu 32.1 369 [[image:image-20220602103844-8.png]]
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Xiaoling 87.2 372
Edwin Chen 76.1 373 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
Xiaoling 87.2 374 (% style="color:blue" %)**3. Select the bin file to burn**
Edwin Chen 76.1 375
Xiaoling 87.2 376
Herong Lu 32.1 377 [[image:image-20220602104144-9.png]]
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Xiaoling 87.2 379
Herong Lu 32.1 380 [[image:image-20220602104251-10.png]]
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Xiaoling 87.2 382
Herong Lu 32.1 383 [[image:image-20220602104402-11.png]]
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Xiaoling 87.2 386
Edwin Chen 76.1 387 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
Xiaoling 87.2 388 (% style="color:blue" %)**4. Click to start the download**
Edwin Chen 76.1 389
Herong Lu 32.1 390 [[image:image-20220602104923-13.png]]
391
392
Xiaoling 87.10 393
Edwin Chen 76.1 394 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
Xiaoling 87.2 395 (% style="color:blue" %)**5. Check update process**
Edwin Chen 76.1 396
Xiaoling 87.2 397
Herong Lu 32.1 398 [[image:image-20220602104948-14.png]]
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Xiaoling 87.2 401
Edwin Chen 76.1 402 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
Xiaoling 87.2 403 (% style="color:blue" %)**The following picture shows that the burning is successful**
Edwin Chen 76.1 404
Herong Lu 32.1 405 [[image:image-20220602105251-15.png]]
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Edwin Chen 72.1 407
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Xiaoling 87.2 409 = 3.  LA66 USB LoRaWAN Adapter =
Edwin Chen 6.1 410
Edwin Chen 7.1 411
Xiaoling 87.2 412 == 3.1  Overview ==
413
Xiaoling 100.3 414
Edwin Chen 93.1 415 [[image:image-20220715001142-3.png||height="145" width="220"]]
416
Xiaoling 100.3 417
Xiaoling 100.5 418 (((
Edwin Chen 91.1 419 (% 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 100.5 420 )))
Herong Lu 52.1 421
Xiaoling 100.5 422 (((
Xiaoling 101.4 423 (% 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 100.5 424 )))
Edwin Chen 73.1 425
Xiaoling 100.5 426 (((
Edwin Chen 90.1 427 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
Xiaoling 100.5 428 )))
Edwin Chen 90.1 429
Xiaoling 100.5 430 (((
Edwin Chen 90.1 431 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 100.5 432 )))
Edwin Chen 90.1 433
Xiaoling 100.5 434 (((
Edwin Chen 90.1 435 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
Xiaoling 100.5 436 )))
Edwin Chen 90.1 437
438
Xiaoling 100.3 439
Xiaoling 87.2 440 == 3.2  Features ==
Edwin Chen 73.1 441
442 * LoRaWAN USB adapter base on LA66 LoRaWAN module
443 * Ultra-long RF range
444 * Support LoRaWAN v1.0.4 protocol
445 * Support peer-to-peer protocol
446 * TCXO crystal to ensure RF performance on low temperature
447 * Spring RF antenna
448 * Available in different frequency LoRaWAN frequency bands.
449 * World-wide unique OTAA keys.
450 * AT Command via UART-TTL interface
451 * Firmware upgradable via UART interface
Xiaoling 93.3 452 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
Edwin Chen 73.1 453
Xiaoling 134.10 454
455
Xiaoling 87.3 456 == 3.3  Specification ==
Edwin Chen 73.1 457
458 * CPU: 32-bit 48 MHz
459 * Flash: 256KB
460 * RAM: 64KB
461 * Input Power Range: 5v
462 * Frequency Range: 150 MHz ~~ 960 MHz
463 * Maximum Power +22 dBm constant RF output
464 * High sensitivity: -148 dBm
465 * Temperature:
466 ** Storage: -55 ~~ +125℃
467 ** Operating: -40 ~~ +85℃
468 * Humidity:
469 ** Storage: 5 ~~ 95% (Non-Condensing)
470 ** Operating: 10 ~~ 95% (Non-Condensing)
471 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
472 * LoRa Rx current: <9 mA
473
Xiaoling 134.10 474
475
Xiaoling 87.3 476 == 3.4  Pin Mapping & LED ==
Edwin Chen 7.1 477
478
Xiaoling 87.3 479
480 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
481
482
Xiaoling 100.5 483 (((
Edwin Chen 78.2 484 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Xiaoling 100.5 485 )))
Herong Lu 58.1 486
487
Xiaoling 87.3 488 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
489
490
Herong Lu 106.1 491 [[image:image-20220723100027-1.png]]
Edwin Chen 78.2 492
Xiaoling 87.3 493
Herong Lu 58.1 494 Open the serial port tool
495
496 [[image:image-20220602161617-8.png]]
497
Edwin Chen 78.2 498 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 499
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Xiaoling 87.3 502 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
503
Edwin Chen 78.2 504 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 505
Xiaoling 87.3 506
Edwin Chen 78.2 507 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 508
Edwin Chen 78.2 509
510
Xiaoling 87.3 511 (% style="color:blue" %)**3. See Uplink Command**
Edwin Chen 78.2 512
Xiaoling 87.3 513 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
514
Herong Lu 58.1 515 example: AT+SENDB=01,02,8,05820802581ea0a5
516
Edwin Chen 78.2 517 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 518
519
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Xiaoling 87.3 521 (% style="color:blue" %)**4. Check to see if TTN received the message**
522
Edwin Chen 78.2 523 [[image:image-20220602162331-12.png||height="420" width="800"]]
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Xiaoling 87.3 527 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 528
Xiaoling 87.3 529
Edwin Chen 87.1 530 **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 81.1 531
Herong Lu 106.1 532 (**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 81.1 533
Xiaoling 87.3 534 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 535
Xiaoling 87.3 536 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 537
Xiaoling 87.3 538 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 539
540
541
Xiaoling 87.3 542 (% style="color:blue" %)**Steps for usage:**
543
544 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
545
546 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
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Edwin Chen 81.1 548 [[image:image-20220602115852-3.png||height="450" width="1187"]]
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Xiaoling 87.4 552 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 553
Xiaoling 87.4 554
Edwin Chen 79.1 555 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 556
Edwin Chen 79.1 557
Xiaoling 87.5 558 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 559
Herong Lu 106.1 560 [[image:image-20220723100439-2.png]]
Herong Lu 43.1 561
Herong Lu 52.1 562
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Xiaoling 87.4 564 (% style="color:blue" %)**2. Install Minicom in RPi.**
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Edwin Chen 79.1 566 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 567
Xiaoling 87.4 568 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 569
Xiaoling 87.4 570 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 571
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Edwin Chen 79.1 573 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 574
Edwin Chen 79.1 575 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 576
577
Xiaoling 87.4 578
Xiaoling 87.11 579 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 580
Xiaoling 87.11 581 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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Edwin Chen 79.1 584 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 585
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Xiaoling 87.4 588 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 589
Xiaoling 87.5 590 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 591
Edwin Chen 79.1 592 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 593
Xiaoling 87.4 594
Edwin Chen 79.1 595 [[image:image-20220602160339-6.png||height="517" width="600"]]
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Xiaoling 87.4 597
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Edwin Chen 79.1 599 Check to see if TTN received the message
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601 [[image:image-20220602160627-7.png||height="369" width="800"]]
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Herong Lu 134.1 605 == 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
Edwin Chen 11.1 606
Xiaoling 134.2 607
Xiaoling 134.10 608 === 3.8.1  DRAGINO-LA66-APP ===
Edwin Chen 13.1 609
Xiaoling 134.2 610
Herong Lu 106.1 611 [[image:image-20220723102027-3.png]]
Herong Lu 63.1 612
Herong Lu 106.1 613
Xiaoling 134.2 614
615 ==== (% style="color:blue" %)**Overview:**(%%) ====
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Xiaoling 134.9 618 (((
Herong Lu 134.1 619 DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
Xiaoling 134.9 620 )))
Herong Lu 106.1 621
Xiaoling 134.9 622 (((
Herong Lu 111.1 623 View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system)
Xiaoling 134.9 624 )))
Herong Lu 111.1 625
Herong Lu 106.1 626
Xiaoling 134.2 627
628 ==== (% style="color:blue" %)**Conditions of Use:**(%%) ====
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Herong Lu 106.1 631 Requires a type-c to USB adapter
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633 [[image:image-20220723104754-4.png]]
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635
Xiaoling 134.2 636
637 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
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Herong Lu 110.1 640 Function and page introduction
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642 [[image:image-20220723113448-7.png||height="1481" width="670"]]
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Xiaoling 134.9 644
Herong Lu 110.1 645 1.Display LA66 USB LoRaWAN Module connection status
646
647 2.Check and reconnect
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649 3.Turn send timestamps on or off
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651 4.Display LoRaWan connection status
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653 5.Check LoRaWan connection status
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655 6.The RSSI value of the node when the ACK is received
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657 7.Node's Signal Strength Icon
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659 8.Set the packet sending interval of the node in seconds
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661 9.AT command input box
662
663 10.Send AT command button
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665 11.Node log box
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667 12.clear log button
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669 13.exit button
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Xiaoling 134.2 671
Herong Lu 106.1 672 LA66 USB LoRaWAN Module not connected
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Herong Lu 110.1 674 [[image:image-20220723110520-5.png||height="903" width="677"]]
Herong Lu 106.1 675
Xiaoling 134.2 676
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Herong Lu 110.1 678 Connect LA66 USB LoRaWAN Module
Herong Lu 106.1 679
Herong Lu 110.1 680 [[image:image-20220723110626-6.png||height="906" width="680"]]
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Xiaoling 134.2 682
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Xiaoling 134.8 684 === 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
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Xiaoling 134.8 687 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
Xiaoling 134.2 688
Herong Lu 113.1 689 [[image:image-20220723134549-8.png]]
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Xiaoling 134.2 692
Xiaoling 134.8 693 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
Xiaoling 134.2 694
Herong Lu 117.1 695 Sample JSON file please go to this link to download:放置JSON文件的链接
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Herong Lu 115.1 697 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
Herong Lu 113.1 698
Herong Lu 117.1 699 The following is the positioning effect map
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701 [[image:image-20220723144339-1.png]]
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Xiaoling 134.2 703
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Xiaoling 87.4 705 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 706
Xiaoling 134.2 707
Herong Lu 134.1 708 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
Edwin Chen 73.1 709
Herong Lu 119.1 710 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 73.1 711
Herong Lu 119.1 712 [[image:image-20220723150132-2.png]]
Edwin Chen 73.1 713
Herong Lu 119.1 714
Xiaoling 134.2 715
Xiaoling 87.4 716 = 4.  Order Info =
Edwin Chen 73.1 717
Xiaoling 87.4 718
Xiaoling 87.5 719 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 720
721
Xiaoling 87.5 722 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 723
Xiaoling 87.5 724 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
725 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
726 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
727 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
728 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
729 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
730 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
731 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
732 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 733
Xiaoling 134.8 734
Xiaoling 87.4 735 = 5.  Reference =
736
Xiaoling 134.2 737
Edwin Chen 78.1 738 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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